X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-sprintf-posix.h;h=3871a1f692e967f16930cc1fe362b117b248fe0a;hb=1276a2c5f24c0c932426aca9c899fa524d2443f2;hp=3df6d128b08d1be2647634e94f6ce85b134d057f;hpb=e10764b1e130842f06b574ee7fb96c8f018bc60b;p=gnulib.git diff --git a/tests/test-sprintf-posix.h b/tests/test-sprintf-posix.h index 3df6d128b..3871a1f69 100644 --- a/tests/test-sprintf-posix.h +++ b/tests/test-sprintf-posix.h @@ -1,10 +1,10 @@ /* Test of POSIX compatible vsprintf() and sprintf() functions. - Copyright (C) 2007 Free Software Foundation, Inc. + Copyright (C) 2007-2014 Free Software Foundation, Inc. - This program is free software; you can redistribute it and/or modify + This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of @@ -12,32 +12,36 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + along with this program. If not, see . */ /* Written by Bruno Haible , 2007. */ -/* The Compaq (ex-DEC) C 6.4 compiler chokes on the expression 0.0 / 0.0. */ -#ifdef __DECC -static double -NaN () -{ - static double zero = 0.0; - return zero / zero; -} -#else -# define NaN() (0.0 / 0.0) -#endif +#include "minus-zero.h" +#include "infinity.h" +#include "nan.h" /* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0. */ static int have_minus_zero () { static double plus_zero = 0.0; - static double minus_zero = -0.0; + double minus_zero = minus_zerod; return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0; } +/* Representation of an 80-bit 'long double' as an initializer for a sequence + of 'unsigned int' words. */ +#ifdef WORDS_BIGENDIAN +# define LDBL80_WORDS(exponent,manthi,mantlo) \ + { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \ + ((unsigned int) (manthi) << 16) | (unsigned int) (mantlo) >> 16), \ + (unsigned int) (mantlo) << 16 \ + } +#else +# define LDBL80_WORDS(exponent,manthi,mantlo) \ + { mantlo, manthi, exponent } +#endif + static int strmatch (const char *pattern, const char *string) { @@ -49,6 +53,27 @@ strmatch (const char *pattern, const char *string) return 1; } +/* Test whether string[start_index..end_index-1] is a valid textual + representation of NaN. */ +static int +strisnan (const char *string, size_t start_index, size_t end_index, int uppercase) +{ + if (start_index < end_index) + { + if (string[start_index] == '-') + start_index++; + if (start_index + 3 <= end_index + && memcmp (string + start_index, uppercase ? "NAN" : "nan", 3) == 0) + { + start_index += 3; + if (start_index == end_index + || (string[start_index] == '(' && string[end_index - 1] == ')')) + return 1; + } + } + return 0; +} + static void test_function (int (*my_sprintf) (char *, const char *, ...)) { @@ -107,9 +132,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%a %d", 3.1416015625, 33, 44, 55); ASSERT (strcmp (result, "0x1.922p+1 33") == 0 - || strcmp (result, "0x3.244p+0 33") == 0 - || strcmp (result, "0x6.488p-1 33") == 0 - || strcmp (result, "0xc.91p-2 33") == 0); + || strcmp (result, "0x3.244p+0 33") == 0 + || strcmp (result, "0x6.488p-1 33") == 0 + || strcmp (result, "0xc.91p-2 33") == 0); ASSERT (retval == strlen (result)); } @@ -118,9 +143,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%A %d", -3.1416015625, 33, 44, 55); ASSERT (strcmp (result, "-0X1.922P+1 33") == 0 - || strcmp (result, "-0X3.244P+0 33") == 0 - || strcmp (result, "-0X6.488P-1 33") == 0 - || strcmp (result, "-0XC.91P-2 33") == 0); + || strcmp (result, "-0X3.244P+0 33") == 0 + || strcmp (result, "-0X6.488P-1 33") == 0 + || strcmp (result, "-0XC.91P-2 33") == 0); ASSERT (retval == strlen (result)); } @@ -135,7 +160,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* Negative zero. */ char result[1000]; int retval = - my_sprintf (result, "%a %d", -0.0, 33, 44, 55); + my_sprintf (result, "%a %d", minus_zerod, 33, 44, 55); if (have_minus_zero ()) ASSERT (strcmp (result, "-0x0p+0 33") == 0); ASSERT (retval == strlen (result)); @@ -144,7 +169,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* Positive infinity. */ char result[1000]; int retval = - my_sprintf (result, "%a %d", 1.0 / 0.0, 33, 44, 55); + my_sprintf (result, "%a %d", Infinityd (), 33, 44, 55); ASSERT (strcmp (result, "inf 33") == 0); ASSERT (retval == strlen (result)); } @@ -152,7 +177,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* Negative infinity. */ char result[1000]; int retval = - my_sprintf (result, "%a %d", -1.0 / 0.0, 33, 44, 55); + my_sprintf (result, "%a %d", - Infinityd (), 33, 44, 55); ASSERT (strcmp (result, "-inf 33") == 0); ASSERT (retval == strlen (result)); } @@ -160,10 +185,10 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* NaN. */ char result[1000]; int retval = - my_sprintf (result, "%a %d", NaN (), 33, 44, 55); + my_sprintf (result, "%a %d", NaNd (), 33, 44, 55); ASSERT (strlen (result) >= 3 + 3 - && memcmp (result, "nan", 3) == 0 - && strcmp (result + strlen (result) - 3, " 33") == 0); + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); ASSERT (retval == strlen (result)); } @@ -172,9 +197,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%.0a %d", 1.5, 33, 44, 55); ASSERT (strcmp (result, "0x2p+0 33") == 0 - || strcmp (result, "0x3p-1 33") == 0 - || strcmp (result, "0x6p-2 33") == 0 - || strcmp (result, "0xcp-3 33") == 0); + || strcmp (result, "0x3p-1 33") == 0 + || strcmp (result, "0x6p-2 33") == 0 + || strcmp (result, "0xcp-3 33") == 0); ASSERT (retval == strlen (result)); } @@ -183,9 +208,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%.0a %d", 1.51, 33, 44, 55); ASSERT (strcmp (result, "0x2p+0 33") == 0 - || strcmp (result, "0x3p-1 33") == 0 - || strcmp (result, "0x6p-2 33") == 0 - || strcmp (result, "0xcp-3 33") == 0); + || strcmp (result, "0x3p-1 33") == 0 + || strcmp (result, "0x6p-2 33") == 0 + || strcmp (result, "0xcp-3 33") == 0); ASSERT (retval == strlen (result)); } @@ -194,9 +219,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%.1a %d", 1.51, 33, 44, 55); ASSERT (strcmp (result, "0x1.8p+0 33") == 0 - || strcmp (result, "0x3.0p-1 33") == 0 - || strcmp (result, "0x6.1p-2 33") == 0 - || strcmp (result, "0xc.1p-3 33") == 0); + || strcmp (result, "0x3.0p-1 33") == 0 + || strcmp (result, "0x6.1p-2 33") == 0 + || strcmp (result, "0xc.1p-3 33") == 0); ASSERT (retval == strlen (result)); } @@ -205,9 +230,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%.2a %d", 1.51, 33, 44, 55); ASSERT (strcmp (result, "0x1.83p+0 33") == 0 - || strcmp (result, "0x3.05p-1 33") == 0 - || strcmp (result, "0x6.0ap-2 33") == 0 - || strcmp (result, "0xc.14p-3 33") == 0); + || strcmp (result, "0x3.05p-1 33") == 0 + || strcmp (result, "0x6.0ap-2 33") == 0 + || strcmp (result, "0xc.14p-3 33") == 0); ASSERT (retval == strlen (result)); } @@ -216,9 +241,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%.3a %d", 1.51, 33, 44, 55); ASSERT (strcmp (result, "0x1.829p+0 33") == 0 - || strcmp (result, "0x3.052p-1 33") == 0 - || strcmp (result, "0x6.0a4p-2 33") == 0 - || strcmp (result, "0xc.148p-3 33") == 0); + || strcmp (result, "0x3.052p-1 33") == 0 + || strcmp (result, "0x6.0a4p-2 33") == 0 + || strcmp (result, "0xc.148p-3 33") == 0); ASSERT (retval == strlen (result)); } @@ -227,21 +252,21 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%.3a %d", 1.49999, 33, 44, 55); ASSERT (strcmp (result, "0x1.800p+0 33") == 0 - || strcmp (result, "0x3.000p-1 33") == 0 - || strcmp (result, "0x6.000p-2 33") == 0 - || strcmp (result, "0xc.000p-3 33") == 0); + || strcmp (result, "0x3.000p-1 33") == 0 + || strcmp (result, "0x6.000p-2 33") == 0 + || strcmp (result, "0xc.000p-3 33") == 0); ASSERT (retval == strlen (result)); } { /* Rounding can turn a ...FFF into a ...000. - This shows a MacOS X 10.3.9 (Darwin 7.9) bug. */ + This shows a Mac OS X 10.3.9 (Darwin 7.9) bug. */ char result[1000]; int retval = my_sprintf (result, "%.1a %d", 1.999, 33, 44, 55); ASSERT (strcmp (result, "0x1.0p+1 33") == 0 - || strcmp (result, "0x2.0p+0 33") == 0 - || strcmp (result, "0x4.0p-1 33") == 0 - || strcmp (result, "0x8.0p-2 33") == 0); + || strcmp (result, "0x2.0p+0 33") == 0 + || strcmp (result, "0x4.0p-1 33") == 0 + || strcmp (result, "0x8.0p-2 33") == 0); ASSERT (retval == strlen (result)); } @@ -250,9 +275,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%10a %d", 1.75, 33, 44, 55); ASSERT (strcmp (result, " 0x1.cp+0 33") == 0 - || strcmp (result, " 0x3.8p-1 33") == 0 - || strcmp (result, " 0x7p-2 33") == 0 - || strcmp (result, " 0xep-3 33") == 0); + || strcmp (result, " 0x3.8p-1 33") == 0 + || strcmp (result, " 0x7p-2 33") == 0 + || strcmp (result, " 0xep-3 33") == 0); ASSERT (retval == strlen (result)); } @@ -261,9 +286,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%.10a %d", 1.75, 33, 44, 55); ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0 - || strcmp (result, "0x3.8000000000p-1 33") == 0 - || strcmp (result, "0x7.0000000000p-2 33") == 0 - || strcmp (result, "0xe.0000000000p-3 33") == 0); + || strcmp (result, "0x3.8000000000p-1 33") == 0 + || strcmp (result, "0x7.0000000000p-2 33") == 0 + || strcmp (result, "0xe.0000000000p-3 33") == 0); ASSERT (retval == strlen (result)); } @@ -272,9 +297,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%.50a %d", 1.75, 33, 44, 55); ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0 - || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0 - || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0 - || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0); + || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0 + || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0 + || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0); ASSERT (retval == strlen (result)); } @@ -283,9 +308,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%-10a %d", 1.75, 33, 44, 55); ASSERT (strcmp (result, "0x1.cp+0 33") == 0 - || strcmp (result, "0x3.8p-1 33") == 0 - || strcmp (result, "0x7p-2 33") == 0 - || strcmp (result, "0xep-3 33") == 0); + || strcmp (result, "0x3.8p-1 33") == 0 + || strcmp (result, "0x7p-2 33") == 0 + || strcmp (result, "0xep-3 33") == 0); ASSERT (retval == strlen (result)); } @@ -294,9 +319,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%+a %d", 1.75, 33, 44, 55); ASSERT (strcmp (result, "+0x1.cp+0 33") == 0 - || strcmp (result, "+0x3.8p-1 33") == 0 - || strcmp (result, "+0x7p-2 33") == 0 - || strcmp (result, "+0xep-3 33") == 0); + || strcmp (result, "+0x3.8p-1 33") == 0 + || strcmp (result, "+0x7p-2 33") == 0 + || strcmp (result, "+0xep-3 33") == 0); ASSERT (retval == strlen (result)); } @@ -305,9 +330,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "% a %d", 1.75, 33, 44, 55); ASSERT (strcmp (result, " 0x1.cp+0 33") == 0 - || strcmp (result, " 0x3.8p-1 33") == 0 - || strcmp (result, " 0x7p-2 33") == 0 - || strcmp (result, " 0xep-3 33") == 0); + || strcmp (result, " 0x3.8p-1 33") == 0 + || strcmp (result, " 0x7p-2 33") == 0 + || strcmp (result, " 0xep-3 33") == 0); ASSERT (retval == strlen (result)); } @@ -316,9 +341,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%#a %d", 1.75, 33, 44, 55); ASSERT (strcmp (result, "0x1.cp+0 33") == 0 - || strcmp (result, "0x3.8p-1 33") == 0 - || strcmp (result, "0x7.p-2 33") == 0 - || strcmp (result, "0xe.p-3 33") == 0); + || strcmp (result, "0x3.8p-1 33") == 0 + || strcmp (result, "0x7.p-2 33") == 0 + || strcmp (result, "0xe.p-3 33") == 0); ASSERT (retval == strlen (result)); } @@ -327,9 +352,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%#a %d", 1.0, 33, 44, 55); ASSERT (strcmp (result, "0x1.p+0 33") == 0 - || strcmp (result, "0x2.p-1 33") == 0 - || strcmp (result, "0x4.p-2 33") == 0 - || strcmp (result, "0x8.p-3 33") == 0); + || strcmp (result, "0x2.p-1 33") == 0 + || strcmp (result, "0x4.p-2 33") == 0 + || strcmp (result, "0x8.p-3 33") == 0); ASSERT (retval == strlen (result)); } @@ -338,16 +363,16 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%010a %d", 1.75, 33, 44, 55); ASSERT (strcmp (result, "0x001.cp+0 33") == 0 - || strcmp (result, "0x003.8p-1 33") == 0 - || strcmp (result, "0x00007p-2 33") == 0 - || strcmp (result, "0x0000ep-3 33") == 0); + || strcmp (result, "0x003.8p-1 33") == 0 + || strcmp (result, "0x00007p-2 33") == 0 + || strcmp (result, "0x0000ep-3 33") == 0); ASSERT (retval == strlen (result)); } { /* FLAG_ZERO with infinite number. */ char result[1000]; int retval = - my_sprintf (result, "%010a %d", 1.0 / 0.0, 33, 44, 55); + my_sprintf (result, "%010a %d", Infinityd (), 33, 44, 55); /* "0000000inf 33" is not a valid result; see */ ASSERT (strcmp (result, " inf 33") == 0); @@ -357,12 +382,12 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* FLAG_ZERO with NaN. */ char result[1000]; int retval = - my_sprintf (result, "%020a %d", NaN (), 33, 44, 55); + my_sprintf (result, "%050a %d", NaNd (), 33, 44, 55); /* "0000000nan 33" is not a valid result; see */ - ASSERT (strlen (result) == 20 + 3 - && memcmp (result + strspn (result, " "), "nan", 3) == 0 - && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (strlen (result) == 50 + 3 + && strisnan (result, strspn (result, " "), strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); ASSERT (retval == strlen (result)); } @@ -371,9 +396,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%La %d", 3.1416015625L, 33, 44, 55); ASSERT (strcmp (result, "0x1.922p+1 33") == 0 - || strcmp (result, "0x3.244p+0 33") == 0 - || strcmp (result, "0x6.488p-1 33") == 0 - || strcmp (result, "0xc.91p-2 33") == 0); + || strcmp (result, "0x3.244p+0 33") == 0 + || strcmp (result, "0x6.488p-1 33") == 0 + || strcmp (result, "0xc.91p-2 33") == 0); ASSERT (retval == strlen (result)); } @@ -382,9 +407,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%LA %d", -3.1416015625L, 33, 44, 55); ASSERT (strcmp (result, "-0X1.922P+1 33") == 0 - || strcmp (result, "-0X3.244P+0 33") == 0 - || strcmp (result, "-0X6.488P-1 33") == 0 - || strcmp (result, "-0XC.91P-2 33") == 0); + || strcmp (result, "-0X3.244P+0 33") == 0 + || strcmp (result, "-0X6.488P-1 33") == 0 + || strcmp (result, "-0XC.91P-2 33") == 0); ASSERT (retval == strlen (result)); } @@ -399,7 +424,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* Negative zero. */ char result[1000]; int retval = - my_sprintf (result, "%La %d", -0.0L, 33, 44, 55); + my_sprintf (result, "%La %d", minus_zerol, 33, 44, 55); if (have_minus_zero ()) ASSERT (strcmp (result, "-0x0p+0 33") == 0); ASSERT (retval == strlen (result)); @@ -408,7 +433,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* Positive infinity. */ char result[1000]; int retval = - my_sprintf (result, "%La %d", 1.0L / 0.0L, 33, 44, 55); + my_sprintf (result, "%La %d", Infinityl (), 33, 44, 55); ASSERT (strcmp (result, "inf 33") == 0); ASSERT (retval == strlen (result)); } @@ -416,7 +441,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* Negative infinity. */ char result[1000]; int retval = - my_sprintf (result, "%La %d", -1.0L / 0.0L, 33, 44, 55); + my_sprintf (result, "%La %d", - Infinityl (), 33, 44, 55); ASSERT (strcmp (result, "-inf 33") == 0); ASSERT (retval == strlen (result)); } @@ -424,21 +449,108 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* NaN. */ char result[1000]; int retval = - my_sprintf (result, "%La %d", 0.0L / 0.0L, 33, 44, 55); + my_sprintf (result, "%La %d", NaNl (), 33, 44, 55); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (retval == strlen (result)); + } +#if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE + { /* Quiet NaN. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) }; + char result[1000]; + int retval = + my_sprintf (result, "%La %d", x.value, 33, 44, 55); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (retval == strlen (result)); + } + { + /* Signalling NaN. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) }; + char result[1000]; + int retval = + my_sprintf (result, "%La %d", x.value, 33, 44, 55); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (retval == strlen (result)); + } + /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities, + Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in + Intel IA-64 Architecture Software Developer's Manual, Volume 1: + Application Architecture. + Table 5-2 "Floating-Point Register Encodings" + Figure 5-6 "Memory to Floating-Point Register Data Translation" + */ + { /* Pseudo-NaN. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) }; + char result[1000]; + int retval = + my_sprintf (result, "%La %d", x.value, 33, 44, 55); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (retval == strlen (result)); + } + { /* Pseudo-Infinity. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) }; + char result[1000]; + int retval = + my_sprintf (result, "%La %d", x.value, 33, 44, 55); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (retval == strlen (result)); + } + { /* Pseudo-Zero. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) }; + char result[1000]; + int retval = + my_sprintf (result, "%La %d", x.value, 33, 44, 55); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (retval == strlen (result)); + } + { /* Unnormalized number. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) }; + char result[1000]; + int retval = + my_sprintf (result, "%La %d", x.value, 33, 44, 55); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (retval == strlen (result)); + } + { /* Pseudo-Denormal. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) }; + char result[1000]; + int retval = + my_sprintf (result, "%La %d", x.value, 33, 44, 55); ASSERT (strlen (result) >= 3 + 3 - && memcmp (result, "nan", 3) == 0 - && strcmp (result + strlen (result) - 3, " 33") == 0); + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); ASSERT (retval == strlen (result)); } +#endif { /* Rounding near the decimal point. */ char result[1000]; int retval = my_sprintf (result, "%.0La %d", 1.5L, 33, 44, 55); ASSERT (strcmp (result, "0x2p+0 33") == 0 - || strcmp (result, "0x3p-1 33") == 0 - || strcmp (result, "0x6p-2 33") == 0 - || strcmp (result, "0xcp-3 33") == 0); + || strcmp (result, "0x3p-1 33") == 0 + || strcmp (result, "0x6p-2 33") == 0 + || strcmp (result, "0xcp-3 33") == 0); ASSERT (retval == strlen (result)); } @@ -447,9 +559,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%.0La %d", 1.51L, 33, 44, 55); ASSERT (strcmp (result, "0x2p+0 33") == 0 - || strcmp (result, "0x3p-1 33") == 0 - || strcmp (result, "0x6p-2 33") == 0 - || strcmp (result, "0xcp-3 33") == 0); + || strcmp (result, "0x3p-1 33") == 0 + || strcmp (result, "0x6p-2 33") == 0 + || strcmp (result, "0xcp-3 33") == 0); ASSERT (retval == strlen (result)); } @@ -458,9 +570,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%.1La %d", 1.51L, 33, 44, 55); ASSERT (strcmp (result, "0x1.8p+0 33") == 0 - || strcmp (result, "0x3.0p-1 33") == 0 - || strcmp (result, "0x6.1p-2 33") == 0 - || strcmp (result, "0xc.1p-3 33") == 0); + || strcmp (result, "0x3.0p-1 33") == 0 + || strcmp (result, "0x6.1p-2 33") == 0 + || strcmp (result, "0xc.1p-3 33") == 0); ASSERT (retval == strlen (result)); } @@ -469,9 +581,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%.2La %d", 1.51L, 33, 44, 55); ASSERT (strcmp (result, "0x1.83p+0 33") == 0 - || strcmp (result, "0x3.05p-1 33") == 0 - || strcmp (result, "0x6.0ap-2 33") == 0 - || strcmp (result, "0xc.14p-3 33") == 0); + || strcmp (result, "0x3.05p-1 33") == 0 + || strcmp (result, "0x6.0ap-2 33") == 0 + || strcmp (result, "0xc.14p-3 33") == 0); ASSERT (retval == strlen (result)); } @@ -480,9 +592,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%.3La %d", 1.51L, 33, 44, 55); ASSERT (strcmp (result, "0x1.829p+0 33") == 0 - || strcmp (result, "0x3.052p-1 33") == 0 - || strcmp (result, "0x6.0a4p-2 33") == 0 - || strcmp (result, "0xc.148p-3 33") == 0); + || strcmp (result, "0x3.052p-1 33") == 0 + || strcmp (result, "0x6.0a4p-2 33") == 0 + || strcmp (result, "0xc.148p-3 33") == 0); ASSERT (retval == strlen (result)); } @@ -491,22 +603,22 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%.3La %d", 1.49999L, 33, 44, 55); ASSERT (strcmp (result, "0x1.800p+0 33") == 0 - || strcmp (result, "0x3.000p-1 33") == 0 - || strcmp (result, "0x6.000p-2 33") == 0 - || strcmp (result, "0xc.000p-3 33") == 0); + || strcmp (result, "0x3.000p-1 33") == 0 + || strcmp (result, "0x6.000p-2 33") == 0 + || strcmp (result, "0xc.000p-3 33") == 0); ASSERT (retval == strlen (result)); } { /* Rounding can turn a ...FFF into a ...000. - This shows a MacOS X 10.3.9 (Darwin 7.9) bug and a + This shows a Mac OS X 10.3.9 (Darwin 7.9) bug and a glibc 2.4 bug . */ char result[1000]; int retval = my_sprintf (result, "%.1La %d", 1.999L, 33, 44, 55); ASSERT (strcmp (result, "0x1.0p+1 33") == 0 - || strcmp (result, "0x2.0p+0 33") == 0 - || strcmp (result, "0x4.0p-1 33") == 0 - || strcmp (result, "0x8.0p-2 33") == 0); + || strcmp (result, "0x2.0p+0 33") == 0 + || strcmp (result, "0x4.0p-1 33") == 0 + || strcmp (result, "0x8.0p-2 33") == 0); ASSERT (retval == strlen (result)); } @@ -515,9 +627,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%10La %d", 1.75L, 33, 44, 55); ASSERT (strcmp (result, " 0x1.cp+0 33") == 0 - || strcmp (result, " 0x3.8p-1 33") == 0 - || strcmp (result, " 0x7p-2 33") == 0 - || strcmp (result, " 0xep-3 33") == 0); + || strcmp (result, " 0x3.8p-1 33") == 0 + || strcmp (result, " 0x7p-2 33") == 0 + || strcmp (result, " 0xep-3 33") == 0); ASSERT (retval == strlen (result)); } @@ -526,9 +638,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%.10La %d", 1.75L, 33, 44, 55); ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0 - || strcmp (result, "0x3.8000000000p-1 33") == 0 - || strcmp (result, "0x7.0000000000p-2 33") == 0 - || strcmp (result, "0xe.0000000000p-3 33") == 0); + || strcmp (result, "0x3.8000000000p-1 33") == 0 + || strcmp (result, "0x7.0000000000p-2 33") == 0 + || strcmp (result, "0xe.0000000000p-3 33") == 0); ASSERT (retval == strlen (result)); } @@ -537,9 +649,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%.50La %d", 1.75L, 33, 44, 55); ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0 - || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0 - || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0 - || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0); + || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0 + || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0 + || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0); ASSERT (retval == strlen (result)); } @@ -548,9 +660,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%-10La %d", 1.75L, 33, 44, 55); ASSERT (strcmp (result, "0x1.cp+0 33") == 0 - || strcmp (result, "0x3.8p-1 33") == 0 - || strcmp (result, "0x7p-2 33") == 0 - || strcmp (result, "0xep-3 33") == 0); + || strcmp (result, "0x3.8p-1 33") == 0 + || strcmp (result, "0x7p-2 33") == 0 + || strcmp (result, "0xep-3 33") == 0); ASSERT (retval == strlen (result)); } @@ -559,9 +671,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%+La %d", 1.75L, 33, 44, 55); ASSERT (strcmp (result, "+0x1.cp+0 33") == 0 - || strcmp (result, "+0x3.8p-1 33") == 0 - || strcmp (result, "+0x7p-2 33") == 0 - || strcmp (result, "+0xep-3 33") == 0); + || strcmp (result, "+0x3.8p-1 33") == 0 + || strcmp (result, "+0x7p-2 33") == 0 + || strcmp (result, "+0xep-3 33") == 0); ASSERT (retval == strlen (result)); } @@ -570,9 +682,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "% La %d", 1.75L, 33, 44, 55); ASSERT (strcmp (result, " 0x1.cp+0 33") == 0 - || strcmp (result, " 0x3.8p-1 33") == 0 - || strcmp (result, " 0x7p-2 33") == 0 - || strcmp (result, " 0xep-3 33") == 0); + || strcmp (result, " 0x3.8p-1 33") == 0 + || strcmp (result, " 0x7p-2 33") == 0 + || strcmp (result, " 0xep-3 33") == 0); ASSERT (retval == strlen (result)); } @@ -581,9 +693,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%#La %d", 1.75L, 33, 44, 55); ASSERT (strcmp (result, "0x1.cp+0 33") == 0 - || strcmp (result, "0x3.8p-1 33") == 0 - || strcmp (result, "0x7.p-2 33") == 0 - || strcmp (result, "0xe.p-3 33") == 0); + || strcmp (result, "0x3.8p-1 33") == 0 + || strcmp (result, "0x7.p-2 33") == 0 + || strcmp (result, "0xe.p-3 33") == 0); ASSERT (retval == strlen (result)); } @@ -592,9 +704,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%#La %d", 1.0L, 33, 44, 55); ASSERT (strcmp (result, "0x1.p+0 33") == 0 - || strcmp (result, "0x2.p-1 33") == 0 - || strcmp (result, "0x4.p-2 33") == 0 - || strcmp (result, "0x8.p-3 33") == 0); + || strcmp (result, "0x2.p-1 33") == 0 + || strcmp (result, "0x4.p-2 33") == 0 + || strcmp (result, "0x8.p-3 33") == 0); ASSERT (retval == strlen (result)); } @@ -603,16 +715,16 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%010La %d", 1.75L, 33, 44, 55); ASSERT (strcmp (result, "0x001.cp+0 33") == 0 - || strcmp (result, "0x003.8p-1 33") == 0 - || strcmp (result, "0x00007p-2 33") == 0 - || strcmp (result, "0x0000ep-3 33") == 0); + || strcmp (result, "0x003.8p-1 33") == 0 + || strcmp (result, "0x00007p-2 33") == 0 + || strcmp (result, "0x0000ep-3 33") == 0); ASSERT (retval == strlen (result)); } { /* FLAG_ZERO with infinite number. */ char result[1000]; int retval = - my_sprintf (result, "%010La %d", 1.0L / 0.0L, 33, 44, 55); + my_sprintf (result, "%010La %d", Infinityl (), 33, 44, 55); /* "0000000inf 33" is not a valid result; see */ ASSERT (strcmp (result, " inf 33") == 0); @@ -622,12 +734,12 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* FLAG_ZERO with NaN. */ char result[1000]; int retval = - my_sprintf (result, "%020La %d", 0.0L / 0.0L, 33, 44, 55); + my_sprintf (result, "%050La %d", NaNl (), 33, 44, 55); /* "0000000nan 33" is not a valid result; see */ - ASSERT (strlen (result) == 20 + 3 - && memcmp (result + strspn (result, " "), "nan", 3) == 0 - && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (strlen (result) == 50 + 3 + && strisnan (result, strspn (result, " "), strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); ASSERT (retval == strlen (result)); } @@ -652,89 +764,89 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* Small and large positive numbers. */ static struct { double value; const char *string; } data[] = { - { 1.234321234321234e-37, "0.000000" }, - { 1.234321234321234e-36, "0.000000" }, - { 1.234321234321234e-35, "0.000000" }, - { 1.234321234321234e-34, "0.000000" }, - { 1.234321234321234e-33, "0.000000" }, - { 1.234321234321234e-32, "0.000000" }, - { 1.234321234321234e-31, "0.000000" }, - { 1.234321234321234e-30, "0.000000" }, - { 1.234321234321234e-29, "0.000000" }, - { 1.234321234321234e-28, "0.000000" }, - { 1.234321234321234e-27, "0.000000" }, - { 1.234321234321234e-26, "0.000000" }, - { 1.234321234321234e-25, "0.000000" }, - { 1.234321234321234e-24, "0.000000" }, - { 1.234321234321234e-23, "0.000000" }, - { 1.234321234321234e-22, "0.000000" }, - { 1.234321234321234e-21, "0.000000" }, - { 1.234321234321234e-20, "0.000000" }, - { 1.234321234321234e-19, "0.000000" }, - { 1.234321234321234e-18, "0.000000" }, - { 1.234321234321234e-17, "0.000000" }, - { 1.234321234321234e-16, "0.000000" }, - { 1.234321234321234e-15, "0.000000" }, - { 1.234321234321234e-14, "0.000000" }, - { 1.234321234321234e-13, "0.000000" }, - { 1.234321234321234e-12, "0.000000" }, - { 1.234321234321234e-11, "0.000000" }, - { 1.234321234321234e-10, "0.000000" }, - { 1.234321234321234e-9, "0.000000" }, - { 1.234321234321234e-8, "0.000000" }, - { 1.234321234321234e-7, "0.000000" }, - { 1.234321234321234e-6, "0.000001" }, - { 1.234321234321234e-5, "0.000012" }, - { 1.234321234321234e-4, "0.000123" }, - { 1.234321234321234e-3, "0.001234" }, - { 1.234321234321234e-2, "0.012343" }, - { 1.234321234321234e-1, "0.123432" }, - { 1.234321234321234, "1.234321" }, - { 1.234321234321234e1, "12.343212" }, - { 1.234321234321234e2, "123.432123" }, - { 1.234321234321234e3, "1234.321234" }, - { 1.234321234321234e4, "12343.212343" }, - { 1.234321234321234e5, "123432.123432" }, - { 1.234321234321234e6, "1234321.234321" }, - { 1.234321234321234e7, "12343212.343212" }, - { 1.234321234321234e8, "123432123.432123" }, - { 1.234321234321234e9, "1234321234.321234" }, - { 1.234321234321234e10, "12343212343.2123**" }, - { 1.234321234321234e11, "123432123432.123***" }, - { 1.234321234321234e12, "1234321234321.23****" }, - { 1.234321234321234e13, "12343212343212.3*****" }, - { 1.234321234321234e14, "123432123432123.******" }, - { 1.234321234321234e15, "1234321234321234.000000" }, - { 1.234321234321234e16, "123432123432123**.000000" }, - { 1.234321234321234e17, "123432123432123***.000000" }, - { 1.234321234321234e18, "123432123432123****.000000" }, - { 1.234321234321234e19, "123432123432123*****.000000" }, - { 1.234321234321234e20, "123432123432123******.000000" }, - { 1.234321234321234e21, "123432123432123*******.000000" }, - { 1.234321234321234e22, "123432123432123********.000000" }, - { 1.234321234321234e23, "123432123432123*********.000000" }, - { 1.234321234321234e24, "123432123432123**********.000000" }, - { 1.234321234321234e25, "123432123432123***********.000000" }, - { 1.234321234321234e26, "123432123432123************.000000" }, - { 1.234321234321234e27, "123432123432123*************.000000" }, - { 1.234321234321234e28, "123432123432123**************.000000" }, - { 1.234321234321234e29, "123432123432123***************.000000" }, - { 1.234321234321234e30, "123432123432123****************.000000" }, - { 1.234321234321234e31, "123432123432123*****************.000000" }, - { 1.234321234321234e32, "123432123432123******************.000000" }, - { 1.234321234321234e33, "123432123432123*******************.000000" }, - { 1.234321234321234e34, "123432123432123********************.000000" }, - { 1.234321234321234e35, "123432123432123*********************.000000" }, - { 1.234321234321234e36, "123432123432123**********************.000000" } + { 1.234321234321234e-37, "0.000000" }, + { 1.234321234321234e-36, "0.000000" }, + { 1.234321234321234e-35, "0.000000" }, + { 1.234321234321234e-34, "0.000000" }, + { 1.234321234321234e-33, "0.000000" }, + { 1.234321234321234e-32, "0.000000" }, + { 1.234321234321234e-31, "0.000000" }, + { 1.234321234321234e-30, "0.000000" }, + { 1.234321234321234e-29, "0.000000" }, + { 1.234321234321234e-28, "0.000000" }, + { 1.234321234321234e-27, "0.000000" }, + { 1.234321234321234e-26, "0.000000" }, + { 1.234321234321234e-25, "0.000000" }, + { 1.234321234321234e-24, "0.000000" }, + { 1.234321234321234e-23, "0.000000" }, + { 1.234321234321234e-22, "0.000000" }, + { 1.234321234321234e-21, "0.000000" }, + { 1.234321234321234e-20, "0.000000" }, + { 1.234321234321234e-19, "0.000000" }, + { 1.234321234321234e-18, "0.000000" }, + { 1.234321234321234e-17, "0.000000" }, + { 1.234321234321234e-16, "0.000000" }, + { 1.234321234321234e-15, "0.000000" }, + { 1.234321234321234e-14, "0.000000" }, + { 1.234321234321234e-13, "0.000000" }, + { 1.234321234321234e-12, "0.000000" }, + { 1.234321234321234e-11, "0.000000" }, + { 1.234321234321234e-10, "0.000000" }, + { 1.234321234321234e-9, "0.000000" }, + { 1.234321234321234e-8, "0.000000" }, + { 1.234321234321234e-7, "0.000000" }, + { 1.234321234321234e-6, "0.000001" }, + { 1.234321234321234e-5, "0.000012" }, + { 1.234321234321234e-4, "0.000123" }, + { 1.234321234321234e-3, "0.001234" }, + { 1.234321234321234e-2, "0.012343" }, + { 1.234321234321234e-1, "0.123432" }, + { 1.234321234321234, "1.234321" }, + { 1.234321234321234e1, "12.343212" }, + { 1.234321234321234e2, "123.432123" }, + { 1.234321234321234e3, "1234.321234" }, + { 1.234321234321234e4, "12343.212343" }, + { 1.234321234321234e5, "123432.123432" }, + { 1.234321234321234e6, "1234321.234321" }, + { 1.234321234321234e7, "12343212.343212" }, + { 1.234321234321234e8, "123432123.432123" }, + { 1.234321234321234e9, "1234321234.321234" }, + { 1.234321234321234e10, "12343212343.2123**" }, + { 1.234321234321234e11, "123432123432.123***" }, + { 1.234321234321234e12, "1234321234321.23****" }, + { 1.234321234321234e13, "12343212343212.3*****" }, + { 1.234321234321234e14, "123432123432123.******" }, + { 1.234321234321234e15, "1234321234321234.000000" }, + { 1.234321234321234e16, "123432123432123**.000000" }, + { 1.234321234321234e17, "123432123432123***.000000" }, + { 1.234321234321234e18, "123432123432123****.000000" }, + { 1.234321234321234e19, "123432123432123*****.000000" }, + { 1.234321234321234e20, "123432123432123******.000000" }, + { 1.234321234321234e21, "123432123432123*******.000000" }, + { 1.234321234321234e22, "123432123432123********.000000" }, + { 1.234321234321234e23, "123432123432123*********.000000" }, + { 1.234321234321234e24, "123432123432123**********.000000" }, + { 1.234321234321234e25, "123432123432123***********.000000" }, + { 1.234321234321234e26, "123432123432123************.000000" }, + { 1.234321234321234e27, "123432123432123*************.000000" }, + { 1.234321234321234e28, "123432123432123**************.000000" }, + { 1.234321234321234e29, "123432123432123***************.000000" }, + { 1.234321234321234e30, "123432123432123****************.000000" }, + { 1.234321234321234e31, "123432123432123*****************.000000" }, + { 1.234321234321234e32, "123432123432123******************.000000" }, + { 1.234321234321234e33, "123432123432123*******************.000000" }, + { 1.234321234321234e34, "123432123432123********************.000000" }, + { 1.234321234321234e35, "123432123432123*********************.000000" }, + { 1.234321234321234e36, "123432123432123**********************.000000" } }; size_t k; for (k = 0; k < SIZEOF (data); k++) { - char result[1000]; - int retval = - my_sprintf (result, "%f", data[k].value); - ASSERT (strmatch (data[k].string, result)); - ASSERT (retval == strlen (result)); + char result[1000]; + int retval = + my_sprintf (result, "%f", data[k].value); + ASSERT (strmatch (data[k].string, result)); + ASSERT (retval == strlen (result)); } } @@ -757,7 +869,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* Negative zero. */ char result[1000]; int retval = - my_sprintf (result, "%f %d", -0.0, 33, 44, 55); + my_sprintf (result, "%f %d", minus_zerod, 33, 44, 55); if (have_minus_zero ()) ASSERT (strcmp (result, "-0.000000 33") == 0); ASSERT (retval == strlen (result)); @@ -766,28 +878,28 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* Positive infinity. */ char result[1000]; int retval = - my_sprintf (result, "%f %d", 1.0 / 0.0, 33, 44, 55); + my_sprintf (result, "%f %d", Infinityd (), 33, 44, 55); ASSERT (strcmp (result, "inf 33") == 0 - || strcmp (result, "infinity 33") == 0); + || strcmp (result, "infinity 33") == 0); ASSERT (retval == strlen (result)); } { /* Negative infinity. */ char result[1000]; int retval = - my_sprintf (result, "%f %d", -1.0 / 0.0, 33, 44, 55); + my_sprintf (result, "%f %d", - Infinityd (), 33, 44, 55); ASSERT (strcmp (result, "-inf 33") == 0 - || strcmp (result, "-infinity 33") == 0); + || strcmp (result, "-infinity 33") == 0); ASSERT (retval == strlen (result)); } { /* NaN. */ char result[1000]; int retval = - my_sprintf (result, "%f %d", NaN (), 33, 44, 55); + my_sprintf (result, "%f %d", NaNd (), 33, 44, 55); ASSERT (strlen (result) >= 3 + 3 - && memcmp (result, "nan", 3) == 0 - && strcmp (result + strlen (result) - 3, " 33") == 0); + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); ASSERT (retval == strlen (result)); } @@ -850,19 +962,19 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* FLAG_ZERO with infinite number. */ char result[1000]; int retval = - my_sprintf (result, "%015f %d", -1.0 / 0.0, 33, 44, 55); + my_sprintf (result, "%015f %d", - Infinityd (), 33, 44, 55); ASSERT (strcmp (result, " -inf 33") == 0 - || strcmp (result, " -infinity 33") == 0); + || strcmp (result, " -infinity 33") == 0); ASSERT (retval == strlen (result)); } { /* FLAG_ZERO with NaN. */ char result[1000]; int retval = - my_sprintf (result, "%020f %d", NaN (), 33, 44, 55); - ASSERT (strlen (result) == 20 + 3 - && memcmp (result + strspn (result, " "), "nan", 3) == 0 - && strcmp (result + strlen (result) - 3, " 33") == 0); + my_sprintf (result, "%050f %d", NaNd (), 33, 44, 55); + ASSERT (strlen (result) == 50 + 3 + && strisnan (result, strspn (result, " "), strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); ASSERT (retval == strlen (result)); } @@ -874,6 +986,22 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) ASSERT (retval == strlen (result)); } + { /* Precision with no rounding. */ + char result[100]; + int retval = + my_sprintf (result, "%.2f %d", 999.951, 33, 44, 55); + ASSERT (strcmp (result, "999.95 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Precision with rounding. */ + char result[100]; + int retval = + my_sprintf (result, "%.2f %d", 999.996, 33, 44, 55); + ASSERT (strcmp (result, "1000.00 33") == 0); + ASSERT (retval == strlen (result)); + } + { /* A positive number. */ char result[1000]; int retval = @@ -893,89 +1021,89 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* Small and large positive numbers. */ static struct { long double value; const char *string; } data[] = { - { 1.234321234321234e-37L, "0.000000" }, - { 1.234321234321234e-36L, "0.000000" }, - { 1.234321234321234e-35L, "0.000000" }, - { 1.234321234321234e-34L, "0.000000" }, - { 1.234321234321234e-33L, "0.000000" }, - { 1.234321234321234e-32L, "0.000000" }, - { 1.234321234321234e-31L, "0.000000" }, - { 1.234321234321234e-30L, "0.000000" }, - { 1.234321234321234e-29L, "0.000000" }, - { 1.234321234321234e-28L, "0.000000" }, - { 1.234321234321234e-27L, "0.000000" }, - { 1.234321234321234e-26L, "0.000000" }, - { 1.234321234321234e-25L, "0.000000" }, - { 1.234321234321234e-24L, "0.000000" }, - { 1.234321234321234e-23L, "0.000000" }, - { 1.234321234321234e-22L, "0.000000" }, - { 1.234321234321234e-21L, "0.000000" }, - { 1.234321234321234e-20L, "0.000000" }, - { 1.234321234321234e-19L, "0.000000" }, - { 1.234321234321234e-18L, "0.000000" }, - { 1.234321234321234e-17L, "0.000000" }, - { 1.234321234321234e-16L, "0.000000" }, - { 1.234321234321234e-15L, "0.000000" }, - { 1.234321234321234e-14L, "0.000000" }, - { 1.234321234321234e-13L, "0.000000" }, - { 1.234321234321234e-12L, "0.000000" }, - { 1.234321234321234e-11L, "0.000000" }, - { 1.234321234321234e-10L, "0.000000" }, - { 1.234321234321234e-9L, "0.000000" }, - { 1.234321234321234e-8L, "0.000000" }, - { 1.234321234321234e-7L, "0.000000" }, - { 1.234321234321234e-6L, "0.000001" }, - { 1.234321234321234e-5L, "0.000012" }, - { 1.234321234321234e-4L, "0.000123" }, - { 1.234321234321234e-3L, "0.001234" }, - { 1.234321234321234e-2L, "0.012343" }, - { 1.234321234321234e-1L, "0.123432" }, - { 1.234321234321234L, "1.234321" }, - { 1.234321234321234e1L, "12.343212" }, - { 1.234321234321234e2L, "123.432123" }, - { 1.234321234321234e3L, "1234.321234" }, - { 1.234321234321234e4L, "12343.212343" }, - { 1.234321234321234e5L, "123432.123432" }, - { 1.234321234321234e6L, "1234321.234321" }, - { 1.234321234321234e7L, "12343212.343212" }, - { 1.234321234321234e8L, "123432123.432123" }, - { 1.234321234321234e9L, "1234321234.321234" }, - { 1.234321234321234e10L, "12343212343.2123**" }, - { 1.234321234321234e11L, "123432123432.123***" }, - { 1.234321234321234e12L, "1234321234321.23****" }, - { 1.234321234321234e13L, "12343212343212.3*****" }, - { 1.234321234321234e14L, "123432123432123.******" }, - { 1.234321234321234e15L, "1234321234321234.000000" }, - { 1.234321234321234e16L, "123432123432123**.000000" }, - { 1.234321234321234e17L, "123432123432123***.000000" }, - { 1.234321234321234e18L, "123432123432123****.000000" }, - { 1.234321234321234e19L, "123432123432123*****.000000" }, - { 1.234321234321234e20L, "123432123432123******.000000" }, - { 1.234321234321234e21L, "123432123432123*******.000000" }, - { 1.234321234321234e22L, "123432123432123********.000000" }, - { 1.234321234321234e23L, "123432123432123*********.000000" }, - { 1.234321234321234e24L, "123432123432123**********.000000" }, - { 1.234321234321234e25L, "123432123432123***********.000000" }, - { 1.234321234321234e26L, "123432123432123************.000000" }, - { 1.234321234321234e27L, "123432123432123*************.000000" }, - { 1.234321234321234e28L, "123432123432123**************.000000" }, - { 1.234321234321234e29L, "123432123432123***************.000000" }, - { 1.234321234321234e30L, "123432123432123****************.000000" }, - { 1.234321234321234e31L, "123432123432123*****************.000000" }, - { 1.234321234321234e32L, "123432123432123******************.000000" }, - { 1.234321234321234e33L, "123432123432123*******************.000000" }, - { 1.234321234321234e34L, "123432123432123********************.000000" }, - { 1.234321234321234e35L, "123432123432123*********************.000000" }, - { 1.234321234321234e36L, "123432123432123**********************.000000" } + { 1.234321234321234e-37L, "0.000000" }, + { 1.234321234321234e-36L, "0.000000" }, + { 1.234321234321234e-35L, "0.000000" }, + { 1.234321234321234e-34L, "0.000000" }, + { 1.234321234321234e-33L, "0.000000" }, + { 1.234321234321234e-32L, "0.000000" }, + { 1.234321234321234e-31L, "0.000000" }, + { 1.234321234321234e-30L, "0.000000" }, + { 1.234321234321234e-29L, "0.000000" }, + { 1.234321234321234e-28L, "0.000000" }, + { 1.234321234321234e-27L, "0.000000" }, + { 1.234321234321234e-26L, "0.000000" }, + { 1.234321234321234e-25L, "0.000000" }, + { 1.234321234321234e-24L, "0.000000" }, + { 1.234321234321234e-23L, "0.000000" }, + { 1.234321234321234e-22L, "0.000000" }, + { 1.234321234321234e-21L, "0.000000" }, + { 1.234321234321234e-20L, "0.000000" }, + { 1.234321234321234e-19L, "0.000000" }, + { 1.234321234321234e-18L, "0.000000" }, + { 1.234321234321234e-17L, "0.000000" }, + { 1.234321234321234e-16L, "0.000000" }, + { 1.234321234321234e-15L, "0.000000" }, + { 1.234321234321234e-14L, "0.000000" }, + { 1.234321234321234e-13L, "0.000000" }, + { 1.234321234321234e-12L, "0.000000" }, + { 1.234321234321234e-11L, "0.000000" }, + { 1.234321234321234e-10L, "0.000000" }, + { 1.234321234321234e-9L, "0.000000" }, + { 1.234321234321234e-8L, "0.000000" }, + { 1.234321234321234e-7L, "0.000000" }, + { 1.234321234321234e-6L, "0.000001" }, + { 1.234321234321234e-5L, "0.000012" }, + { 1.234321234321234e-4L, "0.000123" }, + { 1.234321234321234e-3L, "0.001234" }, + { 1.234321234321234e-2L, "0.012343" }, + { 1.234321234321234e-1L, "0.123432" }, + { 1.234321234321234L, "1.234321" }, + { 1.234321234321234e1L, "12.343212" }, + { 1.234321234321234e2L, "123.432123" }, + { 1.234321234321234e3L, "1234.321234" }, + { 1.234321234321234e4L, "12343.212343" }, + { 1.234321234321234e5L, "123432.123432" }, + { 1.234321234321234e6L, "1234321.234321" }, + { 1.234321234321234e7L, "12343212.343212" }, + { 1.234321234321234e8L, "123432123.432123" }, + { 1.234321234321234e9L, "1234321234.321234" }, + { 1.234321234321234e10L, "12343212343.2123**" }, + { 1.234321234321234e11L, "123432123432.123***" }, + { 1.234321234321234e12L, "1234321234321.23****" }, + { 1.234321234321234e13L, "12343212343212.3*****" }, + { 1.234321234321234e14L, "123432123432123.******" }, + { 1.234321234321234e15L, "1234321234321234.000000" }, + { 1.234321234321234e16L, "123432123432123**.000000" }, + { 1.234321234321234e17L, "123432123432123***.000000" }, + { 1.234321234321234e18L, "123432123432123****.000000" }, + { 1.234321234321234e19L, "123432123432123*****.000000" }, + { 1.234321234321234e20L, "123432123432123******.000000" }, + { 1.234321234321234e21L, "123432123432123*******.000000" }, + { 1.234321234321234e22L, "123432123432123********.000000" }, + { 1.234321234321234e23L, "123432123432123*********.000000" }, + { 1.234321234321234e24L, "123432123432123**********.000000" }, + { 1.234321234321234e25L, "123432123432123***********.000000" }, + { 1.234321234321234e26L, "123432123432123************.000000" }, + { 1.234321234321234e27L, "123432123432123*************.000000" }, + { 1.234321234321234e28L, "123432123432123**************.000000" }, + { 1.234321234321234e29L, "123432123432123***************.000000" }, + { 1.234321234321234e30L, "123432123432123****************.000000" }, + { 1.234321234321234e31L, "123432123432123*****************.000000" }, + { 1.234321234321234e32L, "123432123432123******************.000000" }, + { 1.234321234321234e33L, "123432123432123*******************.000000" }, + { 1.234321234321234e34L, "123432123432123********************.000000" }, + { 1.234321234321234e35L, "123432123432123*********************.000000" }, + { 1.234321234321234e36L, "123432123432123**********************.000000" } }; size_t k; for (k = 0; k < SIZEOF (data); k++) { - char result[1000]; - int retval = - my_sprintf (result, "%Lf", data[k].value); - ASSERT (strmatch (data[k].string, result)); - ASSERT (retval == strlen (result)); + char result[1000]; + int retval = + my_sprintf (result, "%Lf", data[k].value); + ASSERT (strmatch (data[k].string, result)); + ASSERT (retval == strlen (result)); } } @@ -998,7 +1126,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* Negative zero. */ char result[1000]; int retval = - my_sprintf (result, "%Lf %d", -0.0L, 33, 44, 55); + my_sprintf (result, "%Lf %d", minus_zerol, 33, 44, 55); if (have_minus_zero ()) ASSERT (strcmp (result, "-0.000000 33") == 0); ASSERT (retval == strlen (result)); @@ -1007,31 +1135,117 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* Positive infinity. */ char result[1000]; int retval = - my_sprintf (result, "%Lf %d", 1.0L / 0.0L, 33, 44, 55); + my_sprintf (result, "%Lf %d", Infinityl (), 33, 44, 55); ASSERT (strcmp (result, "inf 33") == 0 - || strcmp (result, "infinity 33") == 0); + || strcmp (result, "infinity 33") == 0); ASSERT (retval == strlen (result)); } { /* Negative infinity. */ char result[1000]; int retval = - my_sprintf (result, "%Lf %d", -1.0L / 0.0L, 33, 44, 55); + my_sprintf (result, "%Lf %d", - Infinityl (), 33, 44, 55); ASSERT (strcmp (result, "-inf 33") == 0 - || strcmp (result, "-infinity 33") == 0); + || strcmp (result, "-infinity 33") == 0); ASSERT (retval == strlen (result)); } { /* NaN. */ - static long double zero = 0.0L; char result[1000]; int retval = - my_sprintf (result, "%Lf %d", zero / zero, 33, 44, 55); + my_sprintf (result, "%Lf %d", NaNl (), 33, 44, 55); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (retval == strlen (result)); + } +#if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE + { /* Quiet NaN. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) }; + char result[1000]; + int retval = + my_sprintf (result, "%Lf %d", x.value, 33, 44, 55); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (retval == strlen (result)); + } + { + /* Signalling NaN. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) }; + char result[1000]; + int retval = + my_sprintf (result, "%Lf %d", x.value, 33, 44, 55); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (retval == strlen (result)); + } + /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities, + Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in + Intel IA-64 Architecture Software Developer's Manual, Volume 1: + Application Architecture. + Table 5-2 "Floating-Point Register Encodings" + Figure 5-6 "Memory to Floating-Point Register Data Translation" + */ + { /* Pseudo-NaN. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) }; + char result[1000]; + int retval = + my_sprintf (result, "%Lf %d", x.value, 33, 44, 55); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (retval == strlen (result)); + } + { /* Pseudo-Infinity. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) }; + char result[1000]; + int retval = + my_sprintf (result, "%Lf %d", x.value, 33, 44, 55); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (retval == strlen (result)); + } + { /* Pseudo-Zero. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) }; + char result[1000]; + int retval = + my_sprintf (result, "%Lf %d", x.value, 33, 44, 55); ASSERT (strlen (result) >= 3 + 3 - && memcmp (result, "nan", 3) == 0 - && strcmp (result + strlen (result) - 3, " 33") == 0); + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); ASSERT (retval == strlen (result)); } + { /* Unnormalized number. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) }; + char result[1000]; + int retval = + my_sprintf (result, "%Lf %d", x.value, 33, 44, 55); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (retval == strlen (result)); + } + { /* Pseudo-Denormal. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) }; + char result[1000]; + int retval = + my_sprintf (result, "%Lf %d", x.value, 33, 44, 55); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (retval == strlen (result)); + } +#endif { /* Width. */ char result[1000]; @@ -1092,20 +1306,19 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* FLAG_ZERO with infinite number. */ char result[1000]; int retval = - my_sprintf (result, "%015Lf %d", -1.0L / 0.0L, 33, 44, 55); + my_sprintf (result, "%015Lf %d", - Infinityl (), 33, 44, 55); ASSERT (strcmp (result, " -inf 33") == 0 - || strcmp (result, " -infinity 33") == 0); + || strcmp (result, " -infinity 33") == 0); ASSERT (retval == strlen (result)); } { /* FLAG_ZERO with NaN. */ - static long double zero = 0.0L; char result[1000]; int retval = - my_sprintf (result, "%020Lf %d", zero / zero, 33, 44, 55); - ASSERT (strlen (result) == 20 + 3 - && memcmp (result + strspn (result, " "), "nan", 3) == 0 - && strcmp (result + strlen (result) - 3, " 33") == 0); + my_sprintf (result, "%050Lf %d", NaNl (), 33, 44, 55); + ASSERT (strlen (result) == 50 + 3 + && strisnan (result, strspn (result, " "), strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); ASSERT (retval == strlen (result)); } @@ -1117,6 +1330,22 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) ASSERT (retval == strlen (result)); } + { /* Precision with no rounding. */ + char result[100]; + int retval = + my_sprintf (result, "%.2Lf %d", 999.951L, 33, 44, 55); + ASSERT (strcmp (result, "999.95 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Precision with rounding. */ + char result[100]; + int retval = + my_sprintf (result, "%.2Lf %d", 999.996L, 33, 44, 55); + ASSERT (strcmp (result, "1000.00 33") == 0); + ASSERT (retval == strlen (result)); + } + /* Test the support of the %F format directive. */ { /* A positive number. */ @@ -1154,7 +1383,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* Negative zero. */ char result[1000]; int retval = - my_sprintf (result, "%F %d", -0.0, 33, 44, 55); + my_sprintf (result, "%F %d", minus_zerod, 33, 44, 55); if (have_minus_zero ()) ASSERT (strcmp (result, "-0.000000 33") == 0); ASSERT (retval == strlen (result)); @@ -1163,28 +1392,28 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* Positive infinity. */ char result[1000]; int retval = - my_sprintf (result, "%F %d", 1.0 / 0.0, 33, 44, 55); + my_sprintf (result, "%F %d", Infinityd (), 33, 44, 55); ASSERT (strcmp (result, "INF 33") == 0 - || strcmp (result, "INFINITY 33") == 0); + || strcmp (result, "INFINITY 33") == 0); ASSERT (retval == strlen (result)); } { /* Negative infinity. */ char result[1000]; int retval = - my_sprintf (result, "%F %d", -1.0 / 0.0, 33, 44, 55); + my_sprintf (result, "%F %d", - Infinityd (), 33, 44, 55); ASSERT (strcmp (result, "-INF 33") == 0 - || strcmp (result, "-INFINITY 33") == 0); + || strcmp (result, "-INFINITY 33") == 0); ASSERT (retval == strlen (result)); } { /* NaN. */ char result[1000]; int retval = - my_sprintf (result, "%F %d", NaN (), 33, 44, 55); + my_sprintf (result, "%F %d", NaNd (), 33, 44, 55); ASSERT (strlen (result) >= 3 + 3 - && memcmp (result, "NAN", 3) == 0 - && strcmp (result + strlen (result) - 3, " 33") == 0); + && strisnan (result, 0, strlen (result) - 3, 1) + && strcmp (result + strlen (result) - 3, " 33") == 0); ASSERT (retval == strlen (result)); } @@ -1199,9 +1428,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* FLAG_ZERO with infinite number. */ char result[1000]; int retval = - my_sprintf (result, "%015F %d", -1.0 / 0.0, 33, 44, 55); + my_sprintf (result, "%015F %d", - Infinityd (), 33, 44, 55); ASSERT (strcmp (result, " -INF 33") == 0 - || strcmp (result, " -INFINITY 33") == 0); + || strcmp (result, " -INFINITY 33") == 0); ASSERT (retval == strlen (result)); } @@ -1213,6 +1442,22 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) ASSERT (retval == strlen (result)); } + { /* Precision with no rounding. */ + char result[100]; + int retval = + my_sprintf (result, "%.2F %d", 999.951, 33, 44, 55); + ASSERT (strcmp (result, "999.95 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Precision with rounding. */ + char result[100]; + int retval = + my_sprintf (result, "%.2F %d", 999.996, 33, 44, 55); + ASSERT (strcmp (result, "1000.00 33") == 0); + ASSERT (retval == strlen (result)); + } + { /* A positive number. */ char result[1000]; int retval = @@ -1248,7 +1493,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* Negative zero. */ char result[1000]; int retval = - my_sprintf (result, "%LF %d", -0.0L, 33, 44, 55); + my_sprintf (result, "%LF %d", minus_zerol, 33, 44, 55); if (have_minus_zero ()) ASSERT (strcmp (result, "-0.000000 33") == 0); ASSERT (retval == strlen (result)); @@ -1257,29 +1502,28 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* Positive infinity. */ char result[1000]; int retval = - my_sprintf (result, "%LF %d", 1.0L / 0.0L, 33, 44, 55); + my_sprintf (result, "%LF %d", Infinityl (), 33, 44, 55); ASSERT (strcmp (result, "INF 33") == 0 - || strcmp (result, "INFINITY 33") == 0); + || strcmp (result, "INFINITY 33") == 0); ASSERT (retval == strlen (result)); } { /* Negative infinity. */ char result[1000]; int retval = - my_sprintf (result, "%LF %d", -1.0L / 0.0L, 33, 44, 55); + my_sprintf (result, "%LF %d", - Infinityl (), 33, 44, 55); ASSERT (strcmp (result, "-INF 33") == 0 - || strcmp (result, "-INFINITY 33") == 0); + || strcmp (result, "-INFINITY 33") == 0); ASSERT (retval == strlen (result)); } { /* NaN. */ - static long double zero = 0.0L; char result[1000]; int retval = - my_sprintf (result, "%LF %d", zero / zero, 33, 44, 55); + my_sprintf (result, "%LF %d", NaNl (), 33, 44, 55); ASSERT (strlen (result) >= 3 + 3 - && memcmp (result, "NAN", 3) == 0 - && strcmp (result + strlen (result) - 3, " 33") == 0); + && strisnan (result, 0, strlen (result) - 3, 1) + && strcmp (result + strlen (result) - 3, " 33") == 0); ASSERT (retval == strlen (result)); } @@ -1294,9 +1538,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* FLAG_ZERO with infinite number. */ char result[1000]; int retval = - my_sprintf (result, "%015LF %d", -1.0L / 0.0L, 33, 44, 55); + my_sprintf (result, "%015LF %d", - Infinityl (), 33, 44, 55); ASSERT (strcmp (result, " -INF 33") == 0 - || strcmp (result, " -INFINITY 33") == 0); + || strcmp (result, " -INFINITY 33") == 0); ASSERT (retval == strlen (result)); } @@ -1308,6 +1552,22 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) ASSERT (retval == strlen (result)); } + { /* Precision with no rounding. */ + char result[100]; + int retval = + my_sprintf (result, "%.2LF %d", 999.951L, 33, 44, 55); + ASSERT (strcmp (result, "999.95 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Precision with rounding. */ + char result[100]; + int retval = + my_sprintf (result, "%.2LF %d", 999.996L, 33, 44, 55); + ASSERT (strcmp (result, "1000.00 33") == 0); + ASSERT (retval == strlen (result)); + } + /* Test the support of the %e format directive. */ { /* A positive number. */ @@ -1315,7 +1575,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%e %d", 12.75, 33, 44, 55); ASSERT (strcmp (result, "1.275000e+01 33") == 0 - || strcmp (result, "1.275000e+001 33") == 0); + || strcmp (result, "1.275000e+001 33") == 0); ASSERT (retval == strlen (result)); } @@ -1324,105 +1584,104 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%e %d", 1234567.0, 33, 44, 55); ASSERT (strcmp (result, "1.234567e+06 33") == 0 - || strcmp (result, "1.234567e+006 33") == 0); + || strcmp (result, "1.234567e+006 33") == 0); ASSERT (retval == strlen (result)); } { /* Small and large positive numbers. */ static struct { double value; const char *string; } data[] = { - { 1.234321234321234e-37, "1.234321e-37" }, - { 1.234321234321234e-36, "1.234321e-36" }, - { 1.234321234321234e-35, "1.234321e-35" }, - { 1.234321234321234e-34, "1.234321e-34" }, - { 1.234321234321234e-33, "1.234321e-33" }, - { 1.234321234321234e-32, "1.234321e-32" }, - { 1.234321234321234e-31, "1.234321e-31" }, - { 1.234321234321234e-30, "1.234321e-30" }, - { 1.234321234321234e-29, "1.234321e-29" }, - { 1.234321234321234e-28, "1.234321e-28" }, - { 1.234321234321234e-27, "1.234321e-27" }, - { 1.234321234321234e-26, "1.234321e-26" }, - { 1.234321234321234e-25, "1.234321e-25" }, - { 1.234321234321234e-24, "1.234321e-24" }, - { 1.234321234321234e-23, "1.234321e-23" }, - { 1.234321234321234e-22, "1.234321e-22" }, - { 1.234321234321234e-21, "1.234321e-21" }, - { 1.234321234321234e-20, "1.234321e-20" }, - { 1.234321234321234e-19, "1.234321e-19" }, - { 1.234321234321234e-18, "1.234321e-18" }, - { 1.234321234321234e-17, "1.234321e-17" }, - { 1.234321234321234e-16, "1.234321e-16" }, - { 1.234321234321234e-15, "1.234321e-15" }, - { 1.234321234321234e-14, "1.234321e-14" }, - { 1.234321234321234e-13, "1.234321e-13" }, - { 1.234321234321234e-12, "1.234321e-12" }, - { 1.234321234321234e-11, "1.234321e-11" }, - { 1.234321234321234e-10, "1.234321e-10" }, - { 1.234321234321234e-9, "1.234321e-09" }, - { 1.234321234321234e-8, "1.234321e-08" }, - { 1.234321234321234e-7, "1.234321e-07" }, - { 1.234321234321234e-6, "1.234321e-06" }, - { 1.234321234321234e-5, "1.234321e-05" }, - { 1.234321234321234e-4, "1.234321e-04" }, - { 1.234321234321234e-3, "1.234321e-03" }, - { 1.234321234321234e-2, "1.234321e-02" }, - { 1.234321234321234e-1, "1.234321e-01" }, - { 1.234321234321234, "1.234321e+00" }, - { 1.234321234321234e1, "1.234321e+01" }, - { 1.234321234321234e2, "1.234321e+02" }, - { 1.234321234321234e3, "1.234321e+03" }, - { 1.234321234321234e4, "1.234321e+04" }, - { 1.234321234321234e5, "1.234321e+05" }, - { 1.234321234321234e6, "1.234321e+06" }, - { 1.234321234321234e7, "1.234321e+07" }, - { 1.234321234321234e8, "1.234321e+08" }, - { 1.234321234321234e9, "1.234321e+09" }, - { 1.234321234321234e10, "1.234321e+10" }, - { 1.234321234321234e11, "1.234321e+11" }, - { 1.234321234321234e12, "1.234321e+12" }, - { 1.234321234321234e13, "1.234321e+13" }, - { 1.234321234321234e14, "1.234321e+14" }, - { 1.234321234321234e15, "1.234321e+15" }, - { 1.234321234321234e16, "1.234321e+16" }, - { 1.234321234321234e17, "1.234321e+17" }, - { 1.234321234321234e18, "1.234321e+18" }, - { 1.234321234321234e19, "1.234321e+19" }, - { 1.234321234321234e20, "1.234321e+20" }, - { 1.234321234321234e21, "1.234321e+21" }, - { 1.234321234321234e22, "1.234321e+22" }, - { 1.234321234321234e23, "1.234321e+23" }, - { 1.234321234321234e24, "1.234321e+24" }, - { 1.234321234321234e25, "1.234321e+25" }, - { 1.234321234321234e26, "1.234321e+26" }, - { 1.234321234321234e27, "1.234321e+27" }, - { 1.234321234321234e28, "1.234321e+28" }, - { 1.234321234321234e29, "1.234321e+29" }, - { 1.234321234321234e30, "1.234321e+30" }, - { 1.234321234321234e31, "1.234321e+31" }, - { 1.234321234321234e32, "1.234321e+32" }, - { 1.234321234321234e33, "1.234321e+33" }, - { 1.234321234321234e34, "1.234321e+34" }, - { 1.234321234321234e35, "1.234321e+35" }, - { 1.234321234321234e36, "1.234321e+36" } + { 1.234321234321234e-37, "1.234321e-37" }, + { 1.234321234321234e-36, "1.234321e-36" }, + { 1.234321234321234e-35, "1.234321e-35" }, + { 1.234321234321234e-34, "1.234321e-34" }, + { 1.234321234321234e-33, "1.234321e-33" }, + { 1.234321234321234e-32, "1.234321e-32" }, + { 1.234321234321234e-31, "1.234321e-31" }, + { 1.234321234321234e-30, "1.234321e-30" }, + { 1.234321234321234e-29, "1.234321e-29" }, + { 1.234321234321234e-28, "1.234321e-28" }, + { 1.234321234321234e-27, "1.234321e-27" }, + { 1.234321234321234e-26, "1.234321e-26" }, + { 1.234321234321234e-25, "1.234321e-25" }, + { 1.234321234321234e-24, "1.234321e-24" }, + { 1.234321234321234e-23, "1.234321e-23" }, + { 1.234321234321234e-22, "1.234321e-22" }, + { 1.234321234321234e-21, "1.234321e-21" }, + { 1.234321234321234e-20, "1.234321e-20" }, + { 1.234321234321234e-19, "1.234321e-19" }, + { 1.234321234321234e-18, "1.234321e-18" }, + { 1.234321234321234e-17, "1.234321e-17" }, + { 1.234321234321234e-16, "1.234321e-16" }, + { 1.234321234321234e-15, "1.234321e-15" }, + { 1.234321234321234e-14, "1.234321e-14" }, + { 1.234321234321234e-13, "1.234321e-13" }, + { 1.234321234321234e-12, "1.234321e-12" }, + { 1.234321234321234e-11, "1.234321e-11" }, + { 1.234321234321234e-10, "1.234321e-10" }, + { 1.234321234321234e-9, "1.234321e-09" }, + { 1.234321234321234e-8, "1.234321e-08" }, + { 1.234321234321234e-7, "1.234321e-07" }, + { 1.234321234321234e-6, "1.234321e-06" }, + { 1.234321234321234e-5, "1.234321e-05" }, + { 1.234321234321234e-4, "1.234321e-04" }, + { 1.234321234321234e-3, "1.234321e-03" }, + { 1.234321234321234e-2, "1.234321e-02" }, + { 1.234321234321234e-1, "1.234321e-01" }, + { 1.234321234321234, "1.234321e+00" }, + { 1.234321234321234e1, "1.234321e+01" }, + { 1.234321234321234e2, "1.234321e+02" }, + { 1.234321234321234e3, "1.234321e+03" }, + { 1.234321234321234e4, "1.234321e+04" }, + { 1.234321234321234e5, "1.234321e+05" }, + { 1.234321234321234e6, "1.234321e+06" }, + { 1.234321234321234e7, "1.234321e+07" }, + { 1.234321234321234e8, "1.234321e+08" }, + { 1.234321234321234e9, "1.234321e+09" }, + { 1.234321234321234e10, "1.234321e+10" }, + { 1.234321234321234e11, "1.234321e+11" }, + { 1.234321234321234e12, "1.234321e+12" }, + { 1.234321234321234e13, "1.234321e+13" }, + { 1.234321234321234e14, "1.234321e+14" }, + { 1.234321234321234e15, "1.234321e+15" }, + { 1.234321234321234e16, "1.234321e+16" }, + { 1.234321234321234e17, "1.234321e+17" }, + { 1.234321234321234e18, "1.234321e+18" }, + { 1.234321234321234e19, "1.234321e+19" }, + { 1.234321234321234e20, "1.234321e+20" }, + { 1.234321234321234e21, "1.234321e+21" }, + { 1.234321234321234e22, "1.234321e+22" }, + { 1.234321234321234e23, "1.234321e+23" }, + { 1.234321234321234e24, "1.234321e+24" }, + { 1.234321234321234e25, "1.234321e+25" }, + { 1.234321234321234e26, "1.234321e+26" }, + { 1.234321234321234e27, "1.234321e+27" }, + { 1.234321234321234e28, "1.234321e+28" }, + { 1.234321234321234e29, "1.234321e+29" }, + { 1.234321234321234e30, "1.234321e+30" }, + { 1.234321234321234e31, "1.234321e+31" }, + { 1.234321234321234e32, "1.234321e+32" }, + { 1.234321234321234e33, "1.234321e+33" }, + { 1.234321234321234e34, "1.234321e+34" }, + { 1.234321234321234e35, "1.234321e+35" }, + { 1.234321234321234e36, "1.234321e+36" } }; size_t k; for (k = 0; k < SIZEOF (data); k++) { - char result[1000]; - int retval = - my_sprintf (result, "%e", data[k].value); - const char *expected = data[k].string; - ASSERT (result != NULL); - ASSERT (strcmp (result, expected) == 0 - /* Some implementations produce exponents with 3 digits. */ - || (strlen (result) == strlen (expected) + 1 - && memcmp (result, expected, strlen (expected) - 2) == 0 - && result[strlen (expected) - 2] == '0' - && strcmp (result + strlen (expected) - 1, - expected + strlen (expected) - 2) - == 0)); - ASSERT (retval == strlen (result)); + char result[1000]; + int retval = + my_sprintf (result, "%e", data[k].value); + const char *expected = data[k].string; + ASSERT (strcmp (result, expected) == 0 + /* Some implementations produce exponents with 3 digits. */ + || (strlen (result) == strlen (expected) + 1 + && memcmp (result, expected, strlen (expected) - 2) == 0 + && result[strlen (expected) - 2] == '0' + && strcmp (result + strlen (expected) - 1, + expected + strlen (expected) - 2) + == 0)); + ASSERT (retval == strlen (result)); } } @@ -1431,7 +1690,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%e %d", -0.03125, 33, 44, 55); ASSERT (strcmp (result, "-3.125000e-02 33") == 0 - || strcmp (result, "-3.125000e-002 33") == 0); + || strcmp (result, "-3.125000e-002 33") == 0); ASSERT (retval == strlen (result)); } @@ -1440,45 +1699,45 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%e %d", 0.0, 33, 44, 55); ASSERT (strcmp (result, "0.000000e+00 33") == 0 - || strcmp (result, "0.000000e+000 33") == 0); + || strcmp (result, "0.000000e+000 33") == 0); ASSERT (retval == strlen (result)); } { /* Negative zero. */ char result[1000]; int retval = - my_sprintf (result, "%e %d", -0.0, 33, 44, 55); + my_sprintf (result, "%e %d", minus_zerod, 33, 44, 55); if (have_minus_zero ()) ASSERT (strcmp (result, "-0.000000e+00 33") == 0 - || strcmp (result, "-0.000000e+000 33") == 0); + || strcmp (result, "-0.000000e+000 33") == 0); ASSERT (retval == strlen (result)); } { /* Positive infinity. */ char result[1000]; int retval = - my_sprintf (result, "%e %d", 1.0 / 0.0, 33, 44, 55); + my_sprintf (result, "%e %d", Infinityd (), 33, 44, 55); ASSERT (strcmp (result, "inf 33") == 0 - || strcmp (result, "infinity 33") == 0); + || strcmp (result, "infinity 33") == 0); ASSERT (retval == strlen (result)); } { /* Negative infinity. */ char result[1000]; int retval = - my_sprintf (result, "%e %d", -1.0 / 0.0, 33, 44, 55); + my_sprintf (result, "%e %d", - Infinityd (), 33, 44, 55); ASSERT (strcmp (result, "-inf 33") == 0 - || strcmp (result, "-infinity 33") == 0); + || strcmp (result, "-infinity 33") == 0); ASSERT (retval == strlen (result)); } { /* NaN. */ char result[1000]; int retval = - my_sprintf (result, "%e %d", NaN (), 33, 44, 55); + my_sprintf (result, "%e %d", NaNd (), 33, 44, 55); ASSERT (strlen (result) >= 3 + 3 - && memcmp (result, "nan", 3) == 0 - && strcmp (result + strlen (result) - 3, " 33") == 0); + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); ASSERT (retval == strlen (result)); } @@ -1487,7 +1746,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%15e %d", 1.75, 33, 44, 55); ASSERT (strcmp (result, " 1.750000e+00 33") == 0 - || strcmp (result, " 1.750000e+000 33") == 0); + || strcmp (result, " 1.750000e+000 33") == 0); ASSERT (retval == strlen (result)); } @@ -1496,7 +1755,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%-15e %d", 1.75, 33, 44, 55); ASSERT (strcmp (result, "1.750000e+00 33") == 0 - || strcmp (result, "1.750000e+000 33") == 0); + || strcmp (result, "1.750000e+000 33") == 0); ASSERT (retval == strlen (result)); } @@ -1505,7 +1764,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%+e %d", 1.75, 33, 44, 55); ASSERT (strcmp (result, "+1.750000e+00 33") == 0 - || strcmp (result, "+1.750000e+000 33") == 0); + || strcmp (result, "+1.750000e+000 33") == 0); ASSERT (retval == strlen (result)); } @@ -1514,7 +1773,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "% e %d", 1.75, 33, 44, 55); ASSERT (strcmp (result, " 1.750000e+00 33") == 0 - || strcmp (result, " 1.750000e+000 33") == 0); + || strcmp (result, " 1.750000e+000 33") == 0); ASSERT (retval == strlen (result)); } @@ -1523,7 +1782,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%#e %d", 1.75, 33, 44, 55); ASSERT (strcmp (result, "1.750000e+00 33") == 0 - || strcmp (result, "1.750000e+000 33") == 0); + || strcmp (result, "1.750000e+000 33") == 0); ASSERT (retval == strlen (result)); } @@ -1532,7 +1791,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%#.e %d", 1.75, 33, 44, 55); ASSERT (strcmp (result, "2.e+00 33") == 0 - || strcmp (result, "2.e+000 33") == 0); + || strcmp (result, "2.e+000 33") == 0); ASSERT (retval == strlen (result)); } @@ -1541,7 +1800,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%#.e %d", 9.75, 33, 44, 55); ASSERT (strcmp (result, "1.e+01 33") == 0 - || strcmp (result, "1.e+001 33") == 0); + || strcmp (result, "1.e+001 33") == 0); ASSERT (retval == strlen (result)); } @@ -1550,26 +1809,26 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%015e %d", 1234.0, 33, 44, 55); ASSERT (strcmp (result, "0001.234000e+03 33") == 0 - || strcmp (result, "001.234000e+003 33") == 0); + || strcmp (result, "001.234000e+003 33") == 0); ASSERT (retval == strlen (result)); } { /* FLAG_ZERO with infinite number. */ char result[1000]; int retval = - my_sprintf (result, "%015e %d", -1.0 / 0.0, 33, 44, 55); + my_sprintf (result, "%015e %d", - Infinityd (), 33, 44, 55); ASSERT (strcmp (result, " -inf 33") == 0 - || strcmp (result, " -infinity 33") == 0); + || strcmp (result, " -infinity 33") == 0); ASSERT (retval == strlen (result)); } { /* FLAG_ZERO with NaN. */ char result[1000]; int retval = - my_sprintf (result, "%020e %d", NaN (), 33, 44, 55); - ASSERT (strlen (result) == 20 + 3 - && memcmp (result + strspn (result, " "), "nan", 3) == 0 - && strcmp (result + strlen (result) - 3, " 33") == 0); + my_sprintf (result, "%050e %d", NaNd (), 33, 44, 55); + ASSERT (strlen (result) == 50 + 3 + && strisnan (result, strspn (result, " "), strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); ASSERT (retval == strlen (result)); } @@ -1578,7 +1837,25 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%.e %d", 1234.0, 33, 44, 55); ASSERT (strcmp (result, "1e+03 33") == 0 - || strcmp (result, "1e+003 33") == 0); + || strcmp (result, "1e+003 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Precision with no rounding. */ + char result[100]; + int retval = + my_sprintf (result, "%.4e %d", 999.951, 33, 44, 55); + ASSERT (strcmp (result, "9.9995e+02 33") == 0 + || strcmp (result, "9.9995e+002 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Precision with rounding. */ + char result[100]; + int retval = + my_sprintf (result, "%.4e %d", 999.996, 33, 44, 55); + ASSERT (strcmp (result, "1.0000e+03 33") == 0 + || strcmp (result, "1.0000e+003 33") == 0); ASSERT (retval == strlen (result)); } @@ -1586,7 +1863,8 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[1000]; int retval = my_sprintf (result, "%Le %d", 12.75L, 33, 44, 55); - ASSERT (strcmp (result, "1.275000e+01 33") == 0); + ASSERT (strcmp (result, "1.275000e+01 33") == 0 + || strcmp (result, "1.275000e+001 33") == 0); ASSERT (retval == strlen (result)); } @@ -1594,96 +1872,105 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[1000]; int retval = my_sprintf (result, "%Le %d", 1234567.0L, 33, 44, 55); - ASSERT (strcmp (result, "1.234567e+06 33") == 0); + ASSERT (strcmp (result, "1.234567e+06 33") == 0 + || strcmp (result, "1.234567e+006 33") == 0); ASSERT (retval == strlen (result)); } { /* Small and large positive numbers. */ static struct { long double value; const char *string; } data[] = { - { 1.234321234321234e-37L, "1.234321e-37" }, - { 1.234321234321234e-36L, "1.234321e-36" }, - { 1.234321234321234e-35L, "1.234321e-35" }, - { 1.234321234321234e-34L, "1.234321e-34" }, - { 1.234321234321234e-33L, "1.234321e-33" }, - { 1.234321234321234e-32L, "1.234321e-32" }, - { 1.234321234321234e-31L, "1.234321e-31" }, - { 1.234321234321234e-30L, "1.234321e-30" }, - { 1.234321234321234e-29L, "1.234321e-29" }, - { 1.234321234321234e-28L, "1.234321e-28" }, - { 1.234321234321234e-27L, "1.234321e-27" }, - { 1.234321234321234e-26L, "1.234321e-26" }, - { 1.234321234321234e-25L, "1.234321e-25" }, - { 1.234321234321234e-24L, "1.234321e-24" }, - { 1.234321234321234e-23L, "1.234321e-23" }, - { 1.234321234321234e-22L, "1.234321e-22" }, - { 1.234321234321234e-21L, "1.234321e-21" }, - { 1.234321234321234e-20L, "1.234321e-20" }, - { 1.234321234321234e-19L, "1.234321e-19" }, - { 1.234321234321234e-18L, "1.234321e-18" }, - { 1.234321234321234e-17L, "1.234321e-17" }, - { 1.234321234321234e-16L, "1.234321e-16" }, - { 1.234321234321234e-15L, "1.234321e-15" }, - { 1.234321234321234e-14L, "1.234321e-14" }, - { 1.234321234321234e-13L, "1.234321e-13" }, - { 1.234321234321234e-12L, "1.234321e-12" }, - { 1.234321234321234e-11L, "1.234321e-11" }, - { 1.234321234321234e-10L, "1.234321e-10" }, - { 1.234321234321234e-9L, "1.234321e-09" }, - { 1.234321234321234e-8L, "1.234321e-08" }, - { 1.234321234321234e-7L, "1.234321e-07" }, - { 1.234321234321234e-6L, "1.234321e-06" }, - { 1.234321234321234e-5L, "1.234321e-05" }, - { 1.234321234321234e-4L, "1.234321e-04" }, - { 1.234321234321234e-3L, "1.234321e-03" }, - { 1.234321234321234e-2L, "1.234321e-02" }, - { 1.234321234321234e-1L, "1.234321e-01" }, - { 1.234321234321234L, "1.234321e+00" }, - { 1.234321234321234e1L, "1.234321e+01" }, - { 1.234321234321234e2L, "1.234321e+02" }, - { 1.234321234321234e3L, "1.234321e+03" }, - { 1.234321234321234e4L, "1.234321e+04" }, - { 1.234321234321234e5L, "1.234321e+05" }, - { 1.234321234321234e6L, "1.234321e+06" }, - { 1.234321234321234e7L, "1.234321e+07" }, - { 1.234321234321234e8L, "1.234321e+08" }, - { 1.234321234321234e9L, "1.234321e+09" }, - { 1.234321234321234e10L, "1.234321e+10" }, - { 1.234321234321234e11L, "1.234321e+11" }, - { 1.234321234321234e12L, "1.234321e+12" }, - { 1.234321234321234e13L, "1.234321e+13" }, - { 1.234321234321234e14L, "1.234321e+14" }, - { 1.234321234321234e15L, "1.234321e+15" }, - { 1.234321234321234e16L, "1.234321e+16" }, - { 1.234321234321234e17L, "1.234321e+17" }, - { 1.234321234321234e18L, "1.234321e+18" }, - { 1.234321234321234e19L, "1.234321e+19" }, - { 1.234321234321234e20L, "1.234321e+20" }, - { 1.234321234321234e21L, "1.234321e+21" }, - { 1.234321234321234e22L, "1.234321e+22" }, - { 1.234321234321234e23L, "1.234321e+23" }, - { 1.234321234321234e24L, "1.234321e+24" }, - { 1.234321234321234e25L, "1.234321e+25" }, - { 1.234321234321234e26L, "1.234321e+26" }, - { 1.234321234321234e27L, "1.234321e+27" }, - { 1.234321234321234e28L, "1.234321e+28" }, - { 1.234321234321234e29L, "1.234321e+29" }, - { 1.234321234321234e30L, "1.234321e+30" }, - { 1.234321234321234e31L, "1.234321e+31" }, - { 1.234321234321234e32L, "1.234321e+32" }, - { 1.234321234321234e33L, "1.234321e+33" }, - { 1.234321234321234e34L, "1.234321e+34" }, - { 1.234321234321234e35L, "1.234321e+35" }, - { 1.234321234321234e36L, "1.234321e+36" } + { 1.234321234321234e-37L, "1.234321e-37" }, + { 1.234321234321234e-36L, "1.234321e-36" }, + { 1.234321234321234e-35L, "1.234321e-35" }, + { 1.234321234321234e-34L, "1.234321e-34" }, + { 1.234321234321234e-33L, "1.234321e-33" }, + { 1.234321234321234e-32L, "1.234321e-32" }, + { 1.234321234321234e-31L, "1.234321e-31" }, + { 1.234321234321234e-30L, "1.234321e-30" }, + { 1.234321234321234e-29L, "1.234321e-29" }, + { 1.234321234321234e-28L, "1.234321e-28" }, + { 1.234321234321234e-27L, "1.234321e-27" }, + { 1.234321234321234e-26L, "1.234321e-26" }, + { 1.234321234321234e-25L, "1.234321e-25" }, + { 1.234321234321234e-24L, "1.234321e-24" }, + { 1.234321234321234e-23L, "1.234321e-23" }, + { 1.234321234321234e-22L, "1.234321e-22" }, + { 1.234321234321234e-21L, "1.234321e-21" }, + { 1.234321234321234e-20L, "1.234321e-20" }, + { 1.234321234321234e-19L, "1.234321e-19" }, + { 1.234321234321234e-18L, "1.234321e-18" }, + { 1.234321234321234e-17L, "1.234321e-17" }, + { 1.234321234321234e-16L, "1.234321e-16" }, + { 1.234321234321234e-15L, "1.234321e-15" }, + { 1.234321234321234e-14L, "1.234321e-14" }, + { 1.234321234321234e-13L, "1.234321e-13" }, + { 1.234321234321234e-12L, "1.234321e-12" }, + { 1.234321234321234e-11L, "1.234321e-11" }, + { 1.234321234321234e-10L, "1.234321e-10" }, + { 1.234321234321234e-9L, "1.234321e-09" }, + { 1.234321234321234e-8L, "1.234321e-08" }, + { 1.234321234321234e-7L, "1.234321e-07" }, + { 1.234321234321234e-6L, "1.234321e-06" }, + { 1.234321234321234e-5L, "1.234321e-05" }, + { 1.234321234321234e-4L, "1.234321e-04" }, + { 1.234321234321234e-3L, "1.234321e-03" }, + { 1.234321234321234e-2L, "1.234321e-02" }, + { 1.234321234321234e-1L, "1.234321e-01" }, + { 1.234321234321234L, "1.234321e+00" }, + { 1.234321234321234e1L, "1.234321e+01" }, + { 1.234321234321234e2L, "1.234321e+02" }, + { 1.234321234321234e3L, "1.234321e+03" }, + { 1.234321234321234e4L, "1.234321e+04" }, + { 1.234321234321234e5L, "1.234321e+05" }, + { 1.234321234321234e6L, "1.234321e+06" }, + { 1.234321234321234e7L, "1.234321e+07" }, + { 1.234321234321234e8L, "1.234321e+08" }, + { 1.234321234321234e9L, "1.234321e+09" }, + { 1.234321234321234e10L, "1.234321e+10" }, + { 1.234321234321234e11L, "1.234321e+11" }, + { 1.234321234321234e12L, "1.234321e+12" }, + { 1.234321234321234e13L, "1.234321e+13" }, + { 1.234321234321234e14L, "1.234321e+14" }, + { 1.234321234321234e15L, "1.234321e+15" }, + { 1.234321234321234e16L, "1.234321e+16" }, + { 1.234321234321234e17L, "1.234321e+17" }, + { 1.234321234321234e18L, "1.234321e+18" }, + { 1.234321234321234e19L, "1.234321e+19" }, + { 1.234321234321234e20L, "1.234321e+20" }, + { 1.234321234321234e21L, "1.234321e+21" }, + { 1.234321234321234e22L, "1.234321e+22" }, + { 1.234321234321234e23L, "1.234321e+23" }, + { 1.234321234321234e24L, "1.234321e+24" }, + { 1.234321234321234e25L, "1.234321e+25" }, + { 1.234321234321234e26L, "1.234321e+26" }, + { 1.234321234321234e27L, "1.234321e+27" }, + { 1.234321234321234e28L, "1.234321e+28" }, + { 1.234321234321234e29L, "1.234321e+29" }, + { 1.234321234321234e30L, "1.234321e+30" }, + { 1.234321234321234e31L, "1.234321e+31" }, + { 1.234321234321234e32L, "1.234321e+32" }, + { 1.234321234321234e33L, "1.234321e+33" }, + { 1.234321234321234e34L, "1.234321e+34" }, + { 1.234321234321234e35L, "1.234321e+35" }, + { 1.234321234321234e36L, "1.234321e+36" } }; size_t k; for (k = 0; k < SIZEOF (data); k++) { - char result[1000]; - int retval = - my_sprintf (result, "%Le", data[k].value); - ASSERT (strcmp (result, data[k].string) == 0); - ASSERT (retval == strlen (result)); + char result[1000]; + int retval = + my_sprintf (result, "%Le", data[k].value); + const char *expected = data[k].string; + ASSERT (strcmp (result, expected) == 0 + /* Some implementations produce exponents with 3 digits. */ + || (strlen (result) == strlen (expected) + 1 + && memcmp (result, expected, strlen (expected) - 2) == 0 + && result[strlen (expected) - 2] == '0' + && strcmp (result + strlen (expected) - 1, + expected + strlen (expected) - 2) + == 0)); + ASSERT (retval == strlen (result)); } } @@ -1691,7 +1978,8 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[1000]; int retval = my_sprintf (result, "%Le %d", -0.03125L, 33, 44, 55); - ASSERT (strcmp (result, "-3.125000e-02 33") == 0); + ASSERT (strcmp (result, "-3.125000e-02 33") == 0 + || strcmp (result, "-3.125000e-002 33") == 0); ASSERT (retval == strlen (result)); } @@ -1699,53 +1987,142 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[1000]; int retval = my_sprintf (result, "%Le %d", 0.0L, 33, 44, 55); - ASSERT (strcmp (result, "0.000000e+00 33") == 0); + ASSERT (strcmp (result, "0.000000e+00 33") == 0 + || strcmp (result, "0.000000e+000 33") == 0); ASSERT (retval == strlen (result)); } { /* Negative zero. */ char result[1000]; int retval = - my_sprintf (result, "%Le %d", -0.0L, 33, 44, 55); + my_sprintf (result, "%Le %d", minus_zerol, 33, 44, 55); if (have_minus_zero ()) - ASSERT (strcmp (result, "-0.000000e+00 33") == 0); + ASSERT (strcmp (result, "-0.000000e+00 33") == 0 + || strcmp (result, "-0.000000e+000 33") == 0); ASSERT (retval == strlen (result)); } { /* Positive infinity. */ char result[1000]; int retval = - my_sprintf (result, "%Le %d", 1.0L / 0.0L, 33, 44, 55); + my_sprintf (result, "%Le %d", Infinityl (), 33, 44, 55); ASSERT (strcmp (result, "inf 33") == 0 - || strcmp (result, "infinity 33") == 0); + || strcmp (result, "infinity 33") == 0); ASSERT (retval == strlen (result)); } { /* Negative infinity. */ char result[1000]; int retval = - my_sprintf (result, "%Le %d", -1.0L / 0.0L, 33, 44, 55); + my_sprintf (result, "%Le %d", - Infinityl (), 33, 44, 55); ASSERT (strcmp (result, "-inf 33") == 0 - || strcmp (result, "-infinity 33") == 0); + || strcmp (result, "-infinity 33") == 0); ASSERT (retval == strlen (result)); } { /* NaN. */ - static long double zero = 0.0L; char result[1000]; int retval = - my_sprintf (result, "%Le %d", zero / zero, 33, 44, 55); + my_sprintf (result, "%Le %d", NaNl (), 33, 44, 55); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (retval == strlen (result)); + } +#if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE + { /* Quiet NaN. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) }; + char result[1000]; + int retval = + my_sprintf (result, "%Le %d", x.value, 33, 44, 55); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (retval == strlen (result)); + } + { + /* Signalling NaN. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) }; + char result[1000]; + int retval = + my_sprintf (result, "%Le %d", x.value, 33, 44, 55); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (retval == strlen (result)); + } + /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities, + Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in + Intel IA-64 Architecture Software Developer's Manual, Volume 1: + Application Architecture. + Table 5-2 "Floating-Point Register Encodings" + Figure 5-6 "Memory to Floating-Point Register Data Translation" + */ + { /* Pseudo-NaN. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) }; + char result[1000]; + int retval = + my_sprintf (result, "%Le %d", x.value, 33, 44, 55); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (retval == strlen (result)); + } + { /* Pseudo-Infinity. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) }; + char result[1000]; + int retval = + my_sprintf (result, "%Le %d", x.value, 33, 44, 55); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (retval == strlen (result)); + } + { /* Pseudo-Zero. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) }; + char result[1000]; + int retval = + my_sprintf (result, "%Le %d", x.value, 33, 44, 55); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (retval == strlen (result)); + } + { /* Unnormalized number. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) }; + char result[1000]; + int retval = + my_sprintf (result, "%Le %d", x.value, 33, 44, 55); ASSERT (strlen (result) >= 3 + 3 - && memcmp (result, "nan", 3) == 0 - && strcmp (result + strlen (result) - 3, " 33") == 0); + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); ASSERT (retval == strlen (result)); } + { /* Pseudo-Denormal. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) }; + char result[1000]; + int retval = + my_sprintf (result, "%Le %d", x.value, 33, 44, 55); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (retval == strlen (result)); + } +#endif { /* Width. */ char result[1000]; int retval = my_sprintf (result, "%15Le %d", 1.75L, 33, 44, 55); - ASSERT (strcmp (result, " 1.750000e+00 33") == 0); + ASSERT (strcmp (result, " 1.750000e+00 33") == 0 + || strcmp (result, " 1.750000e+000 33") == 0); ASSERT (retval == strlen (result)); } @@ -1753,7 +2130,8 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[1000]; int retval = my_sprintf (result, "%-15Le %d", 1.75L, 33, 44, 55); - ASSERT (strcmp (result, "1.750000e+00 33") == 0); + ASSERT (strcmp (result, "1.750000e+00 33") == 0 + || strcmp (result, "1.750000e+000 33") == 0); ASSERT (retval == strlen (result)); } @@ -1761,7 +2139,8 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[1000]; int retval = my_sprintf (result, "%+Le %d", 1.75L, 33, 44, 55); - ASSERT (strcmp (result, "+1.750000e+00 33") == 0); + ASSERT (strcmp (result, "+1.750000e+00 33") == 0 + || strcmp (result, "+1.750000e+000 33") == 0); ASSERT (retval == strlen (result)); } @@ -1769,7 +2148,8 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[1000]; int retval = my_sprintf (result, "% Le %d", 1.75L, 33, 44, 55); - ASSERT (strcmp (result, " 1.750000e+00 33") == 0); + ASSERT (strcmp (result, " 1.750000e+00 33") == 0 + || strcmp (result, " 1.750000e+000 33") == 0); ASSERT (retval == strlen (result)); } @@ -1777,7 +2157,8 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[1000]; int retval = my_sprintf (result, "%#Le %d", 1.75L, 33, 44, 55); - ASSERT (strcmp (result, "1.750000e+00 33") == 0); + ASSERT (strcmp (result, "1.750000e+00 33") == 0 + || strcmp (result, "1.750000e+000 33") == 0); ASSERT (retval == strlen (result)); } @@ -1785,7 +2166,8 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[1000]; int retval = my_sprintf (result, "%#.Le %d", 1.75L, 33, 44, 55); - ASSERT (strcmp (result, "2.e+00 33") == 0); + ASSERT (strcmp (result, "2.e+00 33") == 0 + || strcmp (result, "2.e+000 33") == 0); ASSERT (retval == strlen (result)); } @@ -1793,7 +2175,8 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[1000]; int retval = my_sprintf (result, "%#.Le %d", 9.75L, 33, 44, 55); - ASSERT (strcmp (result, "1.e+01 33") == 0); + ASSERT (strcmp (result, "1.e+01 33") == 0 + || strcmp (result, "1.e+001 33") == 0); ASSERT (retval == strlen (result)); } @@ -1801,27 +2184,27 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[1000]; int retval = my_sprintf (result, "%015Le %d", 1234.0L, 33, 44, 55); - ASSERT (strcmp (result, "0001.234000e+03 33") == 0); + ASSERT (strcmp (result, "0001.234000e+03 33") == 0 + || strcmp (result, "001.234000e+003 33") == 0); ASSERT (retval == strlen (result)); } { /* FLAG_ZERO with infinite number. */ char result[1000]; int retval = - my_sprintf (result, "%015Le %d", -1.0L / 0.0L, 33, 44, 55); + my_sprintf (result, "%015Le %d", - Infinityl (), 33, 44, 55); ASSERT (strcmp (result, " -inf 33") == 0 - || strcmp (result, " -infinity 33") == 0); + || strcmp (result, " -infinity 33") == 0); ASSERT (retval == strlen (result)); } { /* FLAG_ZERO with NaN. */ - static long double zero = 0.0L; char result[1000]; int retval = - my_sprintf (result, "%020Le %d", zero / zero, 33, 44, 55); - ASSERT (strlen (result) == 20 + 3 - && memcmp (result + strspn (result, " "), "nan", 3) == 0 - && strcmp (result + strlen (result) - 3, " 33") == 0); + my_sprintf (result, "%050Le %d", NaNl (), 33, 44, 55); + ASSERT (strlen (result) == 50 + 3 + && strisnan (result, strspn (result, " "), strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); ASSERT (retval == strlen (result)); } @@ -1829,7 +2212,26 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[1000]; int retval = my_sprintf (result, "%.Le %d", 1234.0L, 33, 44, 55); - ASSERT (strcmp (result, "1e+03 33") == 0); + ASSERT (strcmp (result, "1e+03 33") == 0 + || strcmp (result, "1e+003 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Precision with no rounding. */ + char result[100]; + int retval = + my_sprintf (result, "%.4Le %d", 999.951L, 33, 44, 55); + ASSERT (strcmp (result, "9.9995e+02 33") == 0 + || strcmp (result, "9.9995e+002 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Precision with rounding. */ + char result[100]; + int retval = + my_sprintf (result, "%.4Le %d", 999.996L, 33, 44, 55); + ASSERT (strcmp (result, "1.0000e+03 33") == 0 + || strcmp (result, "1.0000e+003 33") == 0); ASSERT (retval == strlen (result)); } @@ -1848,105 +2250,105 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%g %d", 1234567.0, 33, 44, 55); ASSERT (strcmp (result, "1.23457e+06 33") == 0 - || strcmp (result, "1.23457e+006 33") == 0); + || strcmp (result, "1.23457e+006 33") == 0); ASSERT (retval == strlen (result)); } { /* Small and large positive numbers. */ static struct { double value; const char *string; } data[] = { - { 1.234321234321234e-37, "1.23432e-37" }, - { 1.234321234321234e-36, "1.23432e-36" }, - { 1.234321234321234e-35, "1.23432e-35" }, - { 1.234321234321234e-34, "1.23432e-34" }, - { 1.234321234321234e-33, "1.23432e-33" }, - { 1.234321234321234e-32, "1.23432e-32" }, - { 1.234321234321234e-31, "1.23432e-31" }, - { 1.234321234321234e-30, "1.23432e-30" }, - { 1.234321234321234e-29, "1.23432e-29" }, - { 1.234321234321234e-28, "1.23432e-28" }, - { 1.234321234321234e-27, "1.23432e-27" }, - { 1.234321234321234e-26, "1.23432e-26" }, - { 1.234321234321234e-25, "1.23432e-25" }, - { 1.234321234321234e-24, "1.23432e-24" }, - { 1.234321234321234e-23, "1.23432e-23" }, - { 1.234321234321234e-22, "1.23432e-22" }, - { 1.234321234321234e-21, "1.23432e-21" }, - { 1.234321234321234e-20, "1.23432e-20" }, - { 1.234321234321234e-19, "1.23432e-19" }, - { 1.234321234321234e-18, "1.23432e-18" }, - { 1.234321234321234e-17, "1.23432e-17" }, - { 1.234321234321234e-16, "1.23432e-16" }, - { 1.234321234321234e-15, "1.23432e-15" }, - { 1.234321234321234e-14, "1.23432e-14" }, - { 1.234321234321234e-13, "1.23432e-13" }, - { 1.234321234321234e-12, "1.23432e-12" }, - { 1.234321234321234e-11, "1.23432e-11" }, - { 1.234321234321234e-10, "1.23432e-10" }, - { 1.234321234321234e-9, "1.23432e-09" }, - { 1.234321234321234e-8, "1.23432e-08" }, - { 1.234321234321234e-7, "1.23432e-07" }, - { 1.234321234321234e-6, "1.23432e-06" }, - { 1.234321234321234e-5, "1.23432e-05" }, - { 1.234321234321234e-4, "0.000123432" }, - { 1.234321234321234e-3, "0.00123432" }, - { 1.234321234321234e-2, "0.0123432" }, - { 1.234321234321234e-1, "0.123432" }, - { 1.234321234321234, "1.23432" }, - { 1.234321234321234e1, "12.3432" }, - { 1.234321234321234e2, "123.432" }, - { 1.234321234321234e3, "1234.32" }, - { 1.234321234321234e4, "12343.2" }, - { 1.234321234321234e5, "123432" }, - { 1.234321234321234e6, "1.23432e+06" }, - { 1.234321234321234e7, "1.23432e+07" }, - { 1.234321234321234e8, "1.23432e+08" }, - { 1.234321234321234e9, "1.23432e+09" }, - { 1.234321234321234e10, "1.23432e+10" }, - { 1.234321234321234e11, "1.23432e+11" }, - { 1.234321234321234e12, "1.23432e+12" }, - { 1.234321234321234e13, "1.23432e+13" }, - { 1.234321234321234e14, "1.23432e+14" }, - { 1.234321234321234e15, "1.23432e+15" }, - { 1.234321234321234e16, "1.23432e+16" }, - { 1.234321234321234e17, "1.23432e+17" }, - { 1.234321234321234e18, "1.23432e+18" }, - { 1.234321234321234e19, "1.23432e+19" }, - { 1.234321234321234e20, "1.23432e+20" }, - { 1.234321234321234e21, "1.23432e+21" }, - { 1.234321234321234e22, "1.23432e+22" }, - { 1.234321234321234e23, "1.23432e+23" }, - { 1.234321234321234e24, "1.23432e+24" }, - { 1.234321234321234e25, "1.23432e+25" }, - { 1.234321234321234e26, "1.23432e+26" }, - { 1.234321234321234e27, "1.23432e+27" }, - { 1.234321234321234e28, "1.23432e+28" }, - { 1.234321234321234e29, "1.23432e+29" }, - { 1.234321234321234e30, "1.23432e+30" }, - { 1.234321234321234e31, "1.23432e+31" }, - { 1.234321234321234e32, "1.23432e+32" }, - { 1.234321234321234e33, "1.23432e+33" }, - { 1.234321234321234e34, "1.23432e+34" }, - { 1.234321234321234e35, "1.23432e+35" }, - { 1.234321234321234e36, "1.23432e+36" } + { 1.234321234321234e-37, "1.23432e-37" }, + { 1.234321234321234e-36, "1.23432e-36" }, + { 1.234321234321234e-35, "1.23432e-35" }, + { 1.234321234321234e-34, "1.23432e-34" }, + { 1.234321234321234e-33, "1.23432e-33" }, + { 1.234321234321234e-32, "1.23432e-32" }, + { 1.234321234321234e-31, "1.23432e-31" }, + { 1.234321234321234e-30, "1.23432e-30" }, + { 1.234321234321234e-29, "1.23432e-29" }, + { 1.234321234321234e-28, "1.23432e-28" }, + { 1.234321234321234e-27, "1.23432e-27" }, + { 1.234321234321234e-26, "1.23432e-26" }, + { 1.234321234321234e-25, "1.23432e-25" }, + { 1.234321234321234e-24, "1.23432e-24" }, + { 1.234321234321234e-23, "1.23432e-23" }, + { 1.234321234321234e-22, "1.23432e-22" }, + { 1.234321234321234e-21, "1.23432e-21" }, + { 1.234321234321234e-20, "1.23432e-20" }, + { 1.234321234321234e-19, "1.23432e-19" }, + { 1.234321234321234e-18, "1.23432e-18" }, + { 1.234321234321234e-17, "1.23432e-17" }, + { 1.234321234321234e-16, "1.23432e-16" }, + { 1.234321234321234e-15, "1.23432e-15" }, + { 1.234321234321234e-14, "1.23432e-14" }, + { 1.234321234321234e-13, "1.23432e-13" }, + { 1.234321234321234e-12, "1.23432e-12" }, + { 1.234321234321234e-11, "1.23432e-11" }, + { 1.234321234321234e-10, "1.23432e-10" }, + { 1.234321234321234e-9, "1.23432e-09" }, + { 1.234321234321234e-8, "1.23432e-08" }, + { 1.234321234321234e-7, "1.23432e-07" }, + { 1.234321234321234e-6, "1.23432e-06" }, + { 1.234321234321234e-5, "1.23432e-05" }, + { 1.234321234321234e-4, "0.000123432" }, + { 1.234321234321234e-3, "0.00123432" }, + { 1.234321234321234e-2, "0.0123432" }, + { 1.234321234321234e-1, "0.123432" }, + { 1.234321234321234, "1.23432" }, + { 1.234321234321234e1, "12.3432" }, + { 1.234321234321234e2, "123.432" }, + { 1.234321234321234e3, "1234.32" }, + { 1.234321234321234e4, "12343.2" }, + { 1.234321234321234e5, "123432" }, + { 1.234321234321234e6, "1.23432e+06" }, + { 1.234321234321234e7, "1.23432e+07" }, + { 1.234321234321234e8, "1.23432e+08" }, + { 1.234321234321234e9, "1.23432e+09" }, + { 1.234321234321234e10, "1.23432e+10" }, + { 1.234321234321234e11, "1.23432e+11" }, + { 1.234321234321234e12, "1.23432e+12" }, + { 1.234321234321234e13, "1.23432e+13" }, + { 1.234321234321234e14, "1.23432e+14" }, + { 1.234321234321234e15, "1.23432e+15" }, + { 1.234321234321234e16, "1.23432e+16" }, + { 1.234321234321234e17, "1.23432e+17" }, + { 1.234321234321234e18, "1.23432e+18" }, + { 1.234321234321234e19, "1.23432e+19" }, + { 1.234321234321234e20, "1.23432e+20" }, + { 1.234321234321234e21, "1.23432e+21" }, + { 1.234321234321234e22, "1.23432e+22" }, + { 1.234321234321234e23, "1.23432e+23" }, + { 1.234321234321234e24, "1.23432e+24" }, + { 1.234321234321234e25, "1.23432e+25" }, + { 1.234321234321234e26, "1.23432e+26" }, + { 1.234321234321234e27, "1.23432e+27" }, + { 1.234321234321234e28, "1.23432e+28" }, + { 1.234321234321234e29, "1.23432e+29" }, + { 1.234321234321234e30, "1.23432e+30" }, + { 1.234321234321234e31, "1.23432e+31" }, + { 1.234321234321234e32, "1.23432e+32" }, + { 1.234321234321234e33, "1.23432e+33" }, + { 1.234321234321234e34, "1.23432e+34" }, + { 1.234321234321234e35, "1.23432e+35" }, + { 1.234321234321234e36, "1.23432e+36" } }; size_t k; for (k = 0; k < SIZEOF (data); k++) { - char result[1000]; - int retval = - my_sprintf (result, "%g", data[k].value); - const char *expected = data[k].string; - ASSERT (strcmp (result, expected) == 0 - /* Some implementations produce exponents with 3 digits. */ - || (expected[strlen (expected) - 4] == 'e' - && strlen (result) == strlen (expected) + 1 - && memcmp (result, expected, strlen (expected) - 2) == 0 - && result[strlen (expected) - 2] == '0' - && strcmp (result + strlen (expected) - 1, - expected + strlen (expected) - 2) - == 0)); - ASSERT (retval == strlen (result)); + char result[1000]; + int retval = + my_sprintf (result, "%g", data[k].value); + const char *expected = data[k].string; + ASSERT (strcmp (result, expected) == 0 + /* Some implementations produce exponents with 3 digits. */ + || (expected[strlen (expected) - 4] == 'e' + && strlen (result) == strlen (expected) + 1 + && memcmp (result, expected, strlen (expected) - 2) == 0 + && result[strlen (expected) - 2] == '0' + && strcmp (result + strlen (expected) - 1, + expected + strlen (expected) - 2) + == 0)); + ASSERT (retval == strlen (result)); } } @@ -1969,7 +2371,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* Negative zero. */ char result[1000]; int retval = - my_sprintf (result, "%g %d", -0.0, 33, 44, 55); + my_sprintf (result, "%g %d", minus_zerod, 33, 44, 55); if (have_minus_zero ()) ASSERT (strcmp (result, "-0 33") == 0); ASSERT (retval == strlen (result)); @@ -1978,28 +2380,28 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* Positive infinity. */ char result[1000]; int retval = - my_sprintf (result, "%g %d", 1.0 / 0.0, 33, 44, 55); + my_sprintf (result, "%g %d", Infinityd (), 33, 44, 55); ASSERT (strcmp (result, "inf 33") == 0 - || strcmp (result, "infinity 33") == 0); + || strcmp (result, "infinity 33") == 0); ASSERT (retval == strlen (result)); } { /* Negative infinity. */ char result[1000]; int retval = - my_sprintf (result, "%g %d", -1.0 / 0.0, 33, 44, 55); + my_sprintf (result, "%g %d", - Infinityd (), 33, 44, 55); ASSERT (strcmp (result, "-inf 33") == 0 - || strcmp (result, "-infinity 33") == 0); + || strcmp (result, "-infinity 33") == 0); ASSERT (retval == strlen (result)); } { /* NaN. */ char result[1000]; int retval = - my_sprintf (result, "%g %d", NaN (), 33, 44, 55); + my_sprintf (result, "%g %d", NaNd (), 33, 44, 55); ASSERT (strlen (result) >= 3 + 3 - && memcmp (result, "nan", 3) == 0 - && strcmp (result + strlen (result) - 3, " 33") == 0); + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); ASSERT (retval == strlen (result)); } @@ -2056,7 +2458,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%#.g %d", 9.75, 33, 44, 55); ASSERT (strcmp (result, "1.e+01 33") == 0 - || strcmp (result, "1.e+001 33") == 0); + || strcmp (result, "1.e+001 33") == 0); ASSERT (retval == strlen (result)); } @@ -2071,19 +2473,19 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* FLAG_ZERO with infinite number. */ char result[1000]; int retval = - my_sprintf (result, "%015g %d", -1.0 / 0.0, 33, 44, 55); + my_sprintf (result, "%015g %d", - Infinityd (), 33, 44, 55); ASSERT (strcmp (result, " -inf 33") == 0 - || strcmp (result, " -infinity 33") == 0); + || strcmp (result, " -infinity 33") == 0); ASSERT (retval == strlen (result)); } { /* FLAG_ZERO with NaN. */ char result[1000]; int retval = - my_sprintf (result, "%020g %d", NaN (), 33, 44, 55); - ASSERT (strlen (result) == 20 + 3 - && memcmp (result + strspn (result, " "), "nan", 3) == 0 - && strcmp (result + strlen (result) - 3, " 33") == 0); + my_sprintf (result, "%050g %d", NaNd (), 33, 44, 55); + ASSERT (strlen (result) == 50 + 3 + && strisnan (result, strspn (result, " "), strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); ASSERT (retval == strlen (result)); } @@ -2092,7 +2494,23 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%.g %d", 1234.0, 33, 44, 55); ASSERT (strcmp (result, "1e+03 33") == 0 - || strcmp (result, "1e+003 33") == 0); + || strcmp (result, "1e+003 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Precision with no rounding. */ + char result[100]; + int retval = + my_sprintf (result, "%.5g %d", 999.951, 33, 44, 55); + ASSERT (strcmp (result, "999.95 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Precision with rounding. */ + char result[100]; + int retval = + my_sprintf (result, "%.5g %d", 999.996, 33, 44, 55); + ASSERT (strcmp (result, "1000 33") == 0); ASSERT (retval == strlen (result)); } @@ -2108,96 +2526,106 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[1000]; int retval = my_sprintf (result, "%Lg %d", 1234567.0L, 33, 44, 55); - ASSERT (strcmp (result, "1.23457e+06 33") == 0); + ASSERT (strcmp (result, "1.23457e+06 33") == 0 + || strcmp (result, "1.23457e+006 33") == 0); ASSERT (retval == strlen (result)); } { /* Small and large positive numbers. */ static struct { long double value; const char *string; } data[] = { - { 1.234321234321234e-37L, "1.23432e-37" }, - { 1.234321234321234e-36L, "1.23432e-36" }, - { 1.234321234321234e-35L, "1.23432e-35" }, - { 1.234321234321234e-34L, "1.23432e-34" }, - { 1.234321234321234e-33L, "1.23432e-33" }, - { 1.234321234321234e-32L, "1.23432e-32" }, - { 1.234321234321234e-31L, "1.23432e-31" }, - { 1.234321234321234e-30L, "1.23432e-30" }, - { 1.234321234321234e-29L, "1.23432e-29" }, - { 1.234321234321234e-28L, "1.23432e-28" }, - { 1.234321234321234e-27L, "1.23432e-27" }, - { 1.234321234321234e-26L, "1.23432e-26" }, - { 1.234321234321234e-25L, "1.23432e-25" }, - { 1.234321234321234e-24L, "1.23432e-24" }, - { 1.234321234321234e-23L, "1.23432e-23" }, - { 1.234321234321234e-22L, "1.23432e-22" }, - { 1.234321234321234e-21L, "1.23432e-21" }, - { 1.234321234321234e-20L, "1.23432e-20" }, - { 1.234321234321234e-19L, "1.23432e-19" }, - { 1.234321234321234e-18L, "1.23432e-18" }, - { 1.234321234321234e-17L, "1.23432e-17" }, - { 1.234321234321234e-16L, "1.23432e-16" }, - { 1.234321234321234e-15L, "1.23432e-15" }, - { 1.234321234321234e-14L, "1.23432e-14" }, - { 1.234321234321234e-13L, "1.23432e-13" }, - { 1.234321234321234e-12L, "1.23432e-12" }, - { 1.234321234321234e-11L, "1.23432e-11" }, - { 1.234321234321234e-10L, "1.23432e-10" }, - { 1.234321234321234e-9L, "1.23432e-09" }, - { 1.234321234321234e-8L, "1.23432e-08" }, - { 1.234321234321234e-7L, "1.23432e-07" }, - { 1.234321234321234e-6L, "1.23432e-06" }, - { 1.234321234321234e-5L, "1.23432e-05" }, - { 1.234321234321234e-4L, "0.000123432" }, - { 1.234321234321234e-3L, "0.00123432" }, - { 1.234321234321234e-2L, "0.0123432" }, - { 1.234321234321234e-1L, "0.123432" }, - { 1.234321234321234L, "1.23432" }, - { 1.234321234321234e1L, "12.3432" }, - { 1.234321234321234e2L, "123.432" }, - { 1.234321234321234e3L, "1234.32" }, - { 1.234321234321234e4L, "12343.2" }, - { 1.234321234321234e5L, "123432" }, - { 1.234321234321234e6L, "1.23432e+06" }, - { 1.234321234321234e7L, "1.23432e+07" }, - { 1.234321234321234e8L, "1.23432e+08" }, - { 1.234321234321234e9L, "1.23432e+09" }, - { 1.234321234321234e10L, "1.23432e+10" }, - { 1.234321234321234e11L, "1.23432e+11" }, - { 1.234321234321234e12L, "1.23432e+12" }, - { 1.234321234321234e13L, "1.23432e+13" }, - { 1.234321234321234e14L, "1.23432e+14" }, - { 1.234321234321234e15L, "1.23432e+15" }, - { 1.234321234321234e16L, "1.23432e+16" }, - { 1.234321234321234e17L, "1.23432e+17" }, - { 1.234321234321234e18L, "1.23432e+18" }, - { 1.234321234321234e19L, "1.23432e+19" }, - { 1.234321234321234e20L, "1.23432e+20" }, - { 1.234321234321234e21L, "1.23432e+21" }, - { 1.234321234321234e22L, "1.23432e+22" }, - { 1.234321234321234e23L, "1.23432e+23" }, - { 1.234321234321234e24L, "1.23432e+24" }, - { 1.234321234321234e25L, "1.23432e+25" }, - { 1.234321234321234e26L, "1.23432e+26" }, - { 1.234321234321234e27L, "1.23432e+27" }, - { 1.234321234321234e28L, "1.23432e+28" }, - { 1.234321234321234e29L, "1.23432e+29" }, - { 1.234321234321234e30L, "1.23432e+30" }, - { 1.234321234321234e31L, "1.23432e+31" }, - { 1.234321234321234e32L, "1.23432e+32" }, - { 1.234321234321234e33L, "1.23432e+33" }, - { 1.234321234321234e34L, "1.23432e+34" }, - { 1.234321234321234e35L, "1.23432e+35" }, - { 1.234321234321234e36L, "1.23432e+36" } + { 1.234321234321234e-37L, "1.23432e-37" }, + { 1.234321234321234e-36L, "1.23432e-36" }, + { 1.234321234321234e-35L, "1.23432e-35" }, + { 1.234321234321234e-34L, "1.23432e-34" }, + { 1.234321234321234e-33L, "1.23432e-33" }, + { 1.234321234321234e-32L, "1.23432e-32" }, + { 1.234321234321234e-31L, "1.23432e-31" }, + { 1.234321234321234e-30L, "1.23432e-30" }, + { 1.234321234321234e-29L, "1.23432e-29" }, + { 1.234321234321234e-28L, "1.23432e-28" }, + { 1.234321234321234e-27L, "1.23432e-27" }, + { 1.234321234321234e-26L, "1.23432e-26" }, + { 1.234321234321234e-25L, "1.23432e-25" }, + { 1.234321234321234e-24L, "1.23432e-24" }, + { 1.234321234321234e-23L, "1.23432e-23" }, + { 1.234321234321234e-22L, "1.23432e-22" }, + { 1.234321234321234e-21L, "1.23432e-21" }, + { 1.234321234321234e-20L, "1.23432e-20" }, + { 1.234321234321234e-19L, "1.23432e-19" }, + { 1.234321234321234e-18L, "1.23432e-18" }, + { 1.234321234321234e-17L, "1.23432e-17" }, + { 1.234321234321234e-16L, "1.23432e-16" }, + { 1.234321234321234e-15L, "1.23432e-15" }, + { 1.234321234321234e-14L, "1.23432e-14" }, + { 1.234321234321234e-13L, "1.23432e-13" }, + { 1.234321234321234e-12L, "1.23432e-12" }, + { 1.234321234321234e-11L, "1.23432e-11" }, + { 1.234321234321234e-10L, "1.23432e-10" }, + { 1.234321234321234e-9L, "1.23432e-09" }, + { 1.234321234321234e-8L, "1.23432e-08" }, + { 1.234321234321234e-7L, "1.23432e-07" }, + { 1.234321234321234e-6L, "1.23432e-06" }, + { 1.234321234321234e-5L, "1.23432e-05" }, + { 1.234321234321234e-4L, "0.000123432" }, + { 1.234321234321234e-3L, "0.00123432" }, + { 1.234321234321234e-2L, "0.0123432" }, + { 1.234321234321234e-1L, "0.123432" }, + { 1.234321234321234L, "1.23432" }, + { 1.234321234321234e1L, "12.3432" }, + { 1.234321234321234e2L, "123.432" }, + { 1.234321234321234e3L, "1234.32" }, + { 1.234321234321234e4L, "12343.2" }, + { 1.234321234321234e5L, "123432" }, + { 1.234321234321234e6L, "1.23432e+06" }, + { 1.234321234321234e7L, "1.23432e+07" }, + { 1.234321234321234e8L, "1.23432e+08" }, + { 1.234321234321234e9L, "1.23432e+09" }, + { 1.234321234321234e10L, "1.23432e+10" }, + { 1.234321234321234e11L, "1.23432e+11" }, + { 1.234321234321234e12L, "1.23432e+12" }, + { 1.234321234321234e13L, "1.23432e+13" }, + { 1.234321234321234e14L, "1.23432e+14" }, + { 1.234321234321234e15L, "1.23432e+15" }, + { 1.234321234321234e16L, "1.23432e+16" }, + { 1.234321234321234e17L, "1.23432e+17" }, + { 1.234321234321234e18L, "1.23432e+18" }, + { 1.234321234321234e19L, "1.23432e+19" }, + { 1.234321234321234e20L, "1.23432e+20" }, + { 1.234321234321234e21L, "1.23432e+21" }, + { 1.234321234321234e22L, "1.23432e+22" }, + { 1.234321234321234e23L, "1.23432e+23" }, + { 1.234321234321234e24L, "1.23432e+24" }, + { 1.234321234321234e25L, "1.23432e+25" }, + { 1.234321234321234e26L, "1.23432e+26" }, + { 1.234321234321234e27L, "1.23432e+27" }, + { 1.234321234321234e28L, "1.23432e+28" }, + { 1.234321234321234e29L, "1.23432e+29" }, + { 1.234321234321234e30L, "1.23432e+30" }, + { 1.234321234321234e31L, "1.23432e+31" }, + { 1.234321234321234e32L, "1.23432e+32" }, + { 1.234321234321234e33L, "1.23432e+33" }, + { 1.234321234321234e34L, "1.23432e+34" }, + { 1.234321234321234e35L, "1.23432e+35" }, + { 1.234321234321234e36L, "1.23432e+36" } }; size_t k; for (k = 0; k < SIZEOF (data); k++) { - char result[1000]; - int retval = - my_sprintf (result, "%Lg", data[k].value); - ASSERT (strcmp (result, data[k].string) == 0); - ASSERT (retval == strlen (result)); + char result[1000]; + int retval = + my_sprintf (result, "%Lg", data[k].value); + const char *expected = data[k].string; + ASSERT (strcmp (result, expected) == 0 + /* Some implementations produce exponents with 3 digits. */ + || (expected[strlen (expected) - 4] == 'e' + && strlen (result) == strlen (expected) + 1 + && memcmp (result, expected, strlen (expected) - 2) == 0 + && result[strlen (expected) - 2] == '0' + && strcmp (result + strlen (expected) - 1, + expected + strlen (expected) - 2) + == 0)); + ASSERT (retval == strlen (result)); } } @@ -2220,7 +2648,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* Negative zero. */ char result[1000]; int retval = - my_sprintf (result, "%Lg %d", -0.0L, 33, 44, 55); + my_sprintf (result, "%Lg %d", minus_zerol, 33, 44, 55); if (have_minus_zero ()) ASSERT (strcmp (result, "-0 33") == 0); ASSERT (retval == strlen (result)); @@ -2229,31 +2657,117 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* Positive infinity. */ char result[1000]; int retval = - my_sprintf (result, "%Lg %d", 1.0L / 0.0L, 33, 44, 55); + my_sprintf (result, "%Lg %d", Infinityl (), 33, 44, 55); ASSERT (strcmp (result, "inf 33") == 0 - || strcmp (result, "infinity 33") == 0); + || strcmp (result, "infinity 33") == 0); ASSERT (retval == strlen (result)); } { /* Negative infinity. */ char result[1000]; int retval = - my_sprintf (result, "%Lg %d", -1.0L / 0.0L, 33, 44, 55); + my_sprintf (result, "%Lg %d", - Infinityl (), 33, 44, 55); ASSERT (strcmp (result, "-inf 33") == 0 - || strcmp (result, "-infinity 33") == 0); + || strcmp (result, "-infinity 33") == 0); ASSERT (retval == strlen (result)); } { /* NaN. */ - static long double zero = 0.0L; char result[1000]; int retval = - my_sprintf (result, "%Lg %d", zero / zero, 33, 44, 55); + my_sprintf (result, "%Lg %d", NaNl (), 33, 44, 55); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (retval == strlen (result)); + } +#if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE + { /* Quiet NaN. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) }; + char result[1000]; + int retval = + my_sprintf (result, "%La %d", x.value, 33, 44, 55); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (retval == strlen (result)); + } + { + /* Signalling NaN. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) }; + char result[1000]; + int retval = + my_sprintf (result, "%La %d", x.value, 33, 44, 55); ASSERT (strlen (result) >= 3 + 3 - && memcmp (result, "nan", 3) == 0 - && strcmp (result + strlen (result) - 3, " 33") == 0); + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); ASSERT (retval == strlen (result)); } + /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities, + Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in + Intel IA-64 Architecture Software Developer's Manual, Volume 1: + Application Architecture. + Table 5-2 "Floating-Point Register Encodings" + Figure 5-6 "Memory to Floating-Point Register Data Translation" + */ + { /* Pseudo-NaN. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) }; + char result[1000]; + int retval = + my_sprintf (result, "%Lg %d", x.value, 33, 44, 55); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (retval == strlen (result)); + } + { /* Pseudo-Infinity. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) }; + char result[1000]; + int retval = + my_sprintf (result, "%Lg %d", x.value, 33, 44, 55); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (retval == strlen (result)); + } + { /* Pseudo-Zero. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) }; + char result[1000]; + int retval = + my_sprintf (result, "%Lg %d", x.value, 33, 44, 55); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (retval == strlen (result)); + } + { /* Unnormalized number. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) }; + char result[1000]; + int retval = + my_sprintf (result, "%Lg %d", x.value, 33, 44, 55); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (retval == strlen (result)); + } + { /* Pseudo-Denormal. */ + static union { unsigned int word[4]; long double value; } x = + { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) }; + char result[1000]; + int retval = + my_sprintf (result, "%Lg %d", x.value, 33, 44, 55); + ASSERT (strlen (result) >= 3 + 3 + && strisnan (result, 0, strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); + ASSERT (retval == strlen (result)); + } +#endif { /* Width. */ char result[1000]; @@ -2307,7 +2821,8 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[1000]; int retval = my_sprintf (result, "%#.Lg %d", 9.75L, 33, 44, 55); - ASSERT (strcmp (result, "1.e+01 33") == 0); + ASSERT (strcmp (result, "1.e+01 33") == 0 + || strcmp (result, "1.e+001 33") == 0); ASSERT (retval == strlen (result)); } @@ -2322,20 +2837,19 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* FLAG_ZERO with infinite number. */ char result[1000]; int retval = - my_sprintf (result, "%015Lg %d", -1.0L / 0.0L, 33, 44, 55); + my_sprintf (result, "%015Lg %d", - Infinityl (), 33, 44, 55); ASSERT (strcmp (result, " -inf 33") == 0 - || strcmp (result, " -infinity 33") == 0); + || strcmp (result, " -infinity 33") == 0); ASSERT (retval == strlen (result)); } { /* FLAG_ZERO with NaN. */ - static long double zero = 0.0L; char result[1000]; int retval = - my_sprintf (result, "%020Lg %d", zero / zero, 33, 44, 55); - ASSERT (strlen (result) == 20 + 3 - && memcmp (result + strspn (result, " "), "nan", 3) == 0 - && strcmp (result + strlen (result) - 3, " 33") == 0); + my_sprintf (result, "%050Lg %d", NaNl (), 33, 44, 55); + ASSERT (strlen (result) == 50 + 3 + && strisnan (result, strspn (result, " "), strlen (result) - 3, 0) + && strcmp (result + strlen (result) - 3, " 33") == 0); ASSERT (retval == strlen (result)); } @@ -2343,7 +2857,24 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[1000]; int retval = my_sprintf (result, "%.Lg %d", 1234.0L, 33, 44, 55); - ASSERT (strcmp (result, "1e+03 33") == 0); + ASSERT (strcmp (result, "1e+03 33") == 0 + || strcmp (result, "1e+003 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Precision with no rounding. */ + char result[100]; + int retval = + my_sprintf (result, "%.5Lg %d", 999.951L, 33, 44, 55); + ASSERT (strcmp (result, "999.95 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Precision with rounding. */ + char result[100]; + int retval = + my_sprintf (result, "%.5Lg %d", 999.996L, 33, 44, 55); + ASSERT (strcmp (result, "1000 33") == 0); ASSERT (retval == strlen (result)); } @@ -2378,4 +2909,199 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) ASSERT (result[strlen (result) - 1] == '9'); ASSERT (retval == strlen (result)); } + + /* Test the support of the left-adjust flag. */ + + { + char result[1000]; + int retval = + my_sprintf (result, "a%*sc", -3, "b"); + ASSERT (strcmp (result, "ab c") == 0); + ASSERT (retval == strlen (result)); + } + + { + char result[1000]; + int retval = + my_sprintf (result, "a%-*sc", 3, "b"); + ASSERT (strcmp (result, "ab c") == 0); + ASSERT (retval == strlen (result)); + } + + { + char result[1000]; + int retval = + my_sprintf (result, "a%-*sc", -3, "b"); + ASSERT (strcmp (result, "ab c") == 0); + ASSERT (retval == strlen (result)); + } + + /* Test the support of large precision. */ + + { + char result[5000]; + int retval = + my_sprintf (result, "%.4000d %d", 1234567, 99); + size_t i; + for (i = 0; i < 4000 - 7; i++) + ASSERT (result[i] == '0'); + ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0); + ASSERT (retval == strlen (result)); + } + + { + char result[5000]; + int retval = + my_sprintf (result, "%.*d %d", 4000, 1234567, 99); + size_t i; + for (i = 0; i < 4000 - 7; i++) + ASSERT (result[i] == '0'); + ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0); + ASSERT (retval == strlen (result)); + } + + { + char result[5000]; + int retval = + my_sprintf (result, "%.4000d %d", -1234567, 99); + size_t i; + ASSERT (result[0] == '-'); + for (i = 0; i < 4000 - 7; i++) + ASSERT (result[1 + i] == '0'); + ASSERT (strcmp (result + 1 + 4000 - 7, "1234567 99") == 0); + ASSERT (retval == strlen (result)); + } + + { + char result[5000]; + int retval = + my_sprintf (result, "%.4000u %d", 1234567, 99); + size_t i; + for (i = 0; i < 4000 - 7; i++) + ASSERT (result[i] == '0'); + ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0); + ASSERT (retval == strlen (result)); + } + + { + char result[5000]; + int retval = + my_sprintf (result, "%.4000o %d", 1234567, 99); + size_t i; + for (i = 0; i < 4000 - 7; i++) + ASSERT (result[i] == '0'); + ASSERT (strcmp (result + 4000 - 7, "4553207 99") == 0); + ASSERT (retval == strlen (result)); + } + + { + char result[5000]; + int retval = + my_sprintf (result, "%.4000x %d", 1234567, 99); + size_t i; + for (i = 0; i < 4000 - 6; i++) + ASSERT (result[i] == '0'); + ASSERT (strcmp (result + 4000 - 6, "12d687 99") == 0); + ASSERT (retval == strlen (result)); + } + + { + char result[5000]; + int retval = + my_sprintf (result, "%#.4000x %d", 1234567, 99); + size_t i; + ASSERT (result[0] == '0'); + ASSERT (result[1] == 'x'); + for (i = 0; i < 4000 - 6; i++) + ASSERT (result[2 + i] == '0'); + ASSERT (strcmp (result + 2 + 4000 - 6, "12d687 99") == 0); + ASSERT (retval == strlen (result)); + } + + { + char result[5000]; + int retval = + my_sprintf (result, "%.4000f %d", 1.0, 99); + size_t i; + ASSERT (result[0] == '1'); + ASSERT (result[1] == '.'); + for (i = 0; i < 4000; i++) + ASSERT (result[2 + i] == '0'); + ASSERT (strcmp (result + 2 + 4000, " 99") == 0); + ASSERT (retval == strlen (result)); + } + + { + char result[1000]; + int retval = + my_sprintf (result, "%.511f %d", 1.0, 99); + size_t i; + ASSERT (result[0] == '1'); + ASSERT (result[1] == '.'); + for (i = 0; i < 511; i++) + ASSERT (result[2 + i] == '0'); + ASSERT (strcmp (result + 2 + 511, " 99") == 0); + ASSERT (retval == strlen (result)); + } + + { + char input[5000]; + char result[5000]; + int retval; + size_t i; + + for (i = 0; i < sizeof (input) - 1; i++) + input[i] = 'a' + ((1000000 / (i + 1)) % 26); + input[i] = '\0'; + retval = my_sprintf (result, "%.4000s %d", input, 99); + ASSERT (memcmp (result, input, 4000) == 0); + ASSERT (strcmp (result + 4000, " 99") == 0); + ASSERT (retval == strlen (result)); + } + + /* Test the support of the %s format directive. */ + + /* To verify that these tests succeed, it is necessary to run them under + a tool that checks against invalid memory accesses, such as ElectricFence + or "valgrind --tool=memcheck". */ + { + size_t i; + + for (i = 1; i <= 8; i++) + { + char *block; + char result[5000]; + int retval; + + block = (char *) malloc (i); + memcpy (block, "abcdefgh", i); + retval = my_sprintf (result, "%.*s", (int) i, block); + ASSERT (memcmp (result, block, i) == 0); + ASSERT (result[i] == '\0'); + ASSERT (retval == strlen (result)); + free (block); + } + } +#if HAVE_WCHAR_T + { + size_t i; + + for (i = 1; i <= 8; i++) + { + wchar_t *block; + size_t j; + char result[5000]; + int retval; + + block = (wchar_t *) malloc (i * sizeof (wchar_t)); + for (j = 0; j < i; j++) + block[j] = "abcdefgh"[j]; + retval = my_sprintf (result, "%.*ls", (int) i, block); + ASSERT (memcmp (result, "abcdefgh", i) == 0); + ASSERT (result[i] == '\0'); + ASSERT (retval == strlen (result)); + free (block); + } + } +#endif }