X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-sprintf-posix.h;h=7f9ca5c712701dc15c8d1f41dcc45a2d77e9a621;hb=2b6c08c775ae4e80b52aa41058ea5939f778b44b;hp=d1afd331a031391f86b75ee84359b620a13c2423;hpb=9064585003a902e1bb951b5380dd5ee4bc9c3148;p=gnulib.git
diff --git a/tests/test-sprintf-posix.h b/tests/test-sprintf-posix.h
index d1afd331a..7f9ca5c71 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.
- 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
@@ -12,8 +12,7 @@
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. */
@@ -38,6 +37,19 @@ have_minus_zero ()
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 +61,27 @@ 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 *, ...))
{
@@ -162,8 +195,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
int retval =
my_sprintf (result, "%a %d", NaN (), 33, 44, 55);
ASSERT (strlen (result) >= 3 + 3
- && (memcmp (result, "nan", 3) == 0
- || memcmp (result, "-nan", 4) == 0)
+ && strisnan (result, 0, strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (retval == strlen (result));
}
@@ -358,12 +390,11 @@ 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", NaN (), 33, 44, 55);
/* "0000000nan 33" is not a valid result; see
*/
- ASSERT (strlen (result) == 20 + 3
- && (memcmp (result + strspn (result, " "), "nan", 3) == 0
- || memcmp (result + strspn (result, " "), "-nan", 4) == 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));
}
@@ -428,11 +459,97 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
int retval =
my_sprintf (result, "%La %d", 0.0L / 0.0L, 33, 44, 55);
ASSERT (strlen (result) >= 3 + 3
- && (memcmp (result, "nan", 3) == 0
- || memcmp (result, "-nan", 4) == 0)
+ && 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_))
+ { /* 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
+ && 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];
@@ -625,12 +742,11 @@ 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", 0.0L / 0.0L, 33, 44, 55);
/* "0000000nan 33" is not a valid result; see
*/
- ASSERT (strlen (result) == 20 + 3
- && (memcmp (result + strspn (result, " "), "nan", 3) == 0
- || memcmp (result + strspn (result, " "), "-nan", 4) == 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));
}
@@ -790,8 +906,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
int retval =
my_sprintf (result, "%f %d", NaN (), 33, 44, 55);
ASSERT (strlen (result) >= 3 + 3
- && (memcmp (result, "nan", 3) == 0
- || memcmp (result, "-nan", 4) == 0)
+ && strisnan (result, 0, strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (retval == strlen (result));
}
@@ -864,10 +979,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
{ /* 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
- || memcmp (result + strspn (result, " "), "-nan", 4) == 0)
+ my_sprintf (result, "%050f %d", NaN (), 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));
}
@@ -1034,11 +1148,97 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
int retval =
my_sprintf (result, "%Lf %d", zero / zero, 33, 44, 55);
ASSERT (strlen (result) >= 3 + 3
- && (memcmp (result, "nan", 3) == 0
- || memcmp (result, "-nan", 4) == 0)
+ && 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_))
+ { /* 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
+ && 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];
@@ -1109,10 +1309,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
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
- || memcmp (result + strspn (result, " "), "-nan", 4) == 0)
+ my_sprintf (result, "%050Lf %d", zero / zero, 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));
}
@@ -1191,8 +1390,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
int retval =
my_sprintf (result, "%F %d", NaN (), 33, 44, 55);
ASSERT (strlen (result) >= 3 + 3
- && (memcmp (result, "NAN", 3) == 0
- || memcmp (result, "-NAN", 4) == 0)
+ && strisnan (result, 0, strlen (result) - 3, 1)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (retval == strlen (result));
}
@@ -1287,8 +1485,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
int retval =
my_sprintf (result, "%LF %d", zero / zero, 33, 44, 55);
ASSERT (strlen (result) >= 3 + 3
- && (memcmp (result, "NAN", 3) == 0
- || memcmp (result, "-NAN", 4) == 0)
+ && strisnan (result, 0, strlen (result) - 3, 1)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (retval == strlen (result));
}
@@ -1487,8 +1684,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
int retval =
my_sprintf (result, "%e %d", NaN (), 33, 44, 55);
ASSERT (strlen (result) >= 3 + 3
- && (memcmp (result, "nan", 3) == 0
- || memcmp (result, "-nan", 4) == 0)
+ && strisnan (result, 0, strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (retval == strlen (result));
}
@@ -1577,10 +1773,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
{ /* 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
- || memcmp (result + strspn (result, " "), "-nan", 4) == 0)
+ my_sprintf (result, "%050e %d", NaN (), 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));
}
@@ -1748,11 +1943,97 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
int retval =
my_sprintf (result, "%Le %d", zero / zero, 33, 44, 55);
ASSERT (strlen (result) >= 3 + 3
- && (memcmp (result, "nan", 3) == 0
- || memcmp (result, "-nan", 4) == 0)
+ && 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_))
+ { /* 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
+ && 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];
@@ -1831,10 +2112,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
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
- || memcmp (result + strspn (result, " "), "-nan", 4) == 0)
+ my_sprintf (result, "%050Le %d", zero / zero, 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));
}
@@ -2012,8 +2292,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
int retval =
my_sprintf (result, "%g %d", NaN (), 33, 44, 55);
ASSERT (strlen (result) >= 3 + 3
- && (memcmp (result, "nan", 3) == 0
- || memcmp (result, "-nan", 4) == 0)
+ && strisnan (result, 0, strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (retval == strlen (result));
}
@@ -2095,10 +2374,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
{ /* 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
- || memcmp (result + strspn (result, " "), "-nan", 4) == 0)
+ my_sprintf (result, "%050g %d", NaN (), 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));
}
@@ -2266,11 +2544,97 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
int retval =
my_sprintf (result, "%Lg %d", zero / zero, 33, 44, 55);
ASSERT (strlen (result) >= 3 + 3
- && (memcmp (result, "nan", 3) == 0
- || memcmp (result, "-nan", 4) == 0)
+ && 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_))
+ { /* 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, "%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];
@@ -2349,10 +2713,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
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
- || memcmp (result + strspn (result, " "), "-nan", 4) == 0)
+ my_sprintf (result, "%050Lg %d", zero / zero, 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));
}
@@ -2396,4 +2759,97 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
ASSERT (result[strlen (result) - 1] == '9');
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;
+ ASSERT (result != NULL);
+ 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 != NULL);
+ 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;
+ ASSERT (result != NULL);
+ 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;
+ ASSERT (result != NULL);
+ 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;
+ ASSERT (result != NULL);
+ 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 != NULL);
+ 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 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 (result != NULL);
+ ASSERT (memcmp (result, input, 4000) == 0);
+ ASSERT (strcmp (result + 4000, " 99") == 0);
+ ASSERT (retval == strlen (result));
+ }
}