1 /* Test of POSIX compatible vasnprintf() and asnprintf() functions.
2 Copyright (C) 2007-2012 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */
21 #include "vasnprintf.h"
32 #include "minus-zero.h"
36 /* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0. */
40 static double plus_zero = 0.0;
41 double minus_zero = minus_zerod;
42 return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0;
45 /* Representation of an 80-bit 'long double' as an initializer for a sequence
46 of 'unsigned int' words. */
47 #ifdef WORDS_BIGENDIAN
48 # define LDBL80_WORDS(exponent,manthi,mantlo) \
49 { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \
50 ((unsigned int) (manthi) << 16) | (unsigned int) (mantlo) >> 16), \
51 (unsigned int) (mantlo) << 16 \
54 # define LDBL80_WORDS(exponent,manthi,mantlo) \
55 { mantlo, manthi, exponent }
59 strmatch (const char *pattern, const char *string)
61 if (strlen (pattern) != strlen (string))
63 for (; *pattern != '\0'; pattern++, string++)
64 if (*pattern != '*' && *string != *pattern)
69 /* Test whether string[start_index..end_index-1] is a valid textual
70 representation of NaN. */
72 strisnan (const char *string, size_t start_index, size_t end_index, int uppercase)
74 if (start_index < end_index)
76 if (string[start_index] == '-')
78 if (start_index + 3 <= end_index
79 && memcmp (string + start_index, uppercase ? "NAN" : "nan", 3) == 0)
82 if (start_index == end_index
83 || (string[start_index] == '(' && string[end_index - 1] == ')'))
91 test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
96 /* Test return value convention. */
98 for (size = 0; size <= 8; size++)
100 size_t length = size;
101 char *result = my_asnprintf (NULL, &length, "%d", 12345);
102 ASSERT (result != NULL);
103 ASSERT (strcmp (result, "12345") == 0);
104 ASSERT (length == 5);
108 for (size = 0; size <= 8; size++)
113 memcpy (buf, "DEADBEEF", 8);
115 result = my_asnprintf (buf, &length, "%d", 12345);
116 ASSERT (result != NULL);
117 ASSERT (strcmp (result, "12345") == 0);
118 ASSERT (length == 5);
120 ASSERT (result != buf);
121 ASSERT (memcmp (buf + size, "DEADBEEF" + size, 8 - size) == 0);
126 /* Test support of size specifiers as in C99. */
131 my_asnprintf (NULL, &length, "%ju %d", (uintmax_t) 12345671, 33, 44, 55);
132 ASSERT (result != NULL);
133 ASSERT (strcmp (result, "12345671 33") == 0);
134 ASSERT (length == strlen (result));
141 my_asnprintf (NULL, &length, "%zu %d", (size_t) 12345672, 33, 44, 55);
142 ASSERT (result != NULL);
143 ASSERT (strcmp (result, "12345672 33") == 0);
144 ASSERT (length == strlen (result));
151 my_asnprintf (NULL, &length, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55);
152 ASSERT (result != NULL);
153 ASSERT (strcmp (result, "12345673 33") == 0);
154 ASSERT (length == strlen (result));
161 my_asnprintf (NULL, &length, "%Lg %d", (long double) 1.5, 33, 44, 55);
162 ASSERT (result != NULL);
163 ASSERT (strcmp (result, "1.5 33") == 0);
164 ASSERT (length == strlen (result));
168 /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
169 output of floating-point numbers. */
171 { /* A positive number. */
174 my_asnprintf (NULL, &length, "%a %d", 3.1416015625, 33, 44, 55);
175 ASSERT (result != NULL);
176 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
177 || strcmp (result, "0x3.244p+0 33") == 0
178 || strcmp (result, "0x6.488p-1 33") == 0
179 || strcmp (result, "0xc.91p-2 33") == 0);
180 ASSERT (length == strlen (result));
184 { /* A negative number. */
187 my_asnprintf (NULL, &length, "%A %d", -3.1416015625, 33, 44, 55);
188 ASSERT (result != NULL);
189 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
190 || strcmp (result, "-0X3.244P+0 33") == 0
191 || strcmp (result, "-0X6.488P-1 33") == 0
192 || strcmp (result, "-0XC.91P-2 33") == 0);
193 ASSERT (length == strlen (result));
197 { /* Positive zero. */
200 my_asnprintf (NULL, &length, "%a %d", 0.0, 33, 44, 55);
201 ASSERT (result != NULL);
202 ASSERT (strcmp (result, "0x0p+0 33") == 0);
203 ASSERT (length == strlen (result));
207 { /* Negative zero. */
210 my_asnprintf (NULL, &length, "%a %d", minus_zerod, 33, 44, 55);
211 ASSERT (result != NULL);
212 if (have_minus_zero ())
213 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
214 ASSERT (length == strlen (result));
218 { /* Positive infinity. */
221 my_asnprintf (NULL, &length, "%a %d", Infinityd (), 33, 44, 55);
222 ASSERT (result != NULL);
223 ASSERT (strcmp (result, "inf 33") == 0);
224 ASSERT (length == strlen (result));
228 { /* Negative infinity. */
231 my_asnprintf (NULL, &length, "%a %d", - Infinityd (), 33, 44, 55);
232 ASSERT (result != NULL);
233 ASSERT (strcmp (result, "-inf 33") == 0);
234 ASSERT (length == strlen (result));
241 my_asnprintf (NULL, &length, "%a %d", NaNd (), 33, 44, 55);
242 ASSERT (result != NULL);
243 ASSERT (strlen (result) >= 3 + 3
244 && strisnan (result, 0, strlen (result) - 3, 0)
245 && strcmp (result + strlen (result) - 3, " 33") == 0);
246 ASSERT (length == strlen (result));
250 { /* Rounding near the decimal point. */
253 my_asnprintf (NULL, &length, "%.0a %d", 1.5, 33, 44, 55);
254 ASSERT (result != NULL);
255 ASSERT (strcmp (result, "0x2p+0 33") == 0
256 || strcmp (result, "0x3p-1 33") == 0
257 || strcmp (result, "0x6p-2 33") == 0
258 || strcmp (result, "0xcp-3 33") == 0);
259 ASSERT (length == strlen (result));
263 { /* Rounding with precision 0. */
266 my_asnprintf (NULL, &length, "%.0a %d", 1.51, 33, 44, 55);
267 ASSERT (result != NULL);
268 ASSERT (strcmp (result, "0x2p+0 33") == 0
269 || strcmp (result, "0x3p-1 33") == 0
270 || strcmp (result, "0x6p-2 33") == 0
271 || strcmp (result, "0xcp-3 33") == 0);
272 ASSERT (length == strlen (result));
276 { /* Rounding with precision 1. */
279 my_asnprintf (NULL, &length, "%.1a %d", 1.51, 33, 44, 55);
280 ASSERT (result != NULL);
281 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
282 || strcmp (result, "0x3.0p-1 33") == 0
283 || strcmp (result, "0x6.1p-2 33") == 0
284 || strcmp (result, "0xc.1p-3 33") == 0);
285 ASSERT (length == strlen (result));
289 { /* Rounding with precision 2. */
292 my_asnprintf (NULL, &length, "%.2a %d", 1.51, 33, 44, 55);
293 ASSERT (result != NULL);
294 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
295 || strcmp (result, "0x3.05p-1 33") == 0
296 || strcmp (result, "0x6.0ap-2 33") == 0
297 || strcmp (result, "0xc.14p-3 33") == 0);
298 ASSERT (length == strlen (result));
302 { /* Rounding with precision 3. */
305 my_asnprintf (NULL, &length, "%.3a %d", 1.51, 33, 44, 55);
306 ASSERT (result != NULL);
307 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
308 || strcmp (result, "0x3.052p-1 33") == 0
309 || strcmp (result, "0x6.0a4p-2 33") == 0
310 || strcmp (result, "0xc.148p-3 33") == 0);
311 ASSERT (length == strlen (result));
315 { /* Rounding can turn a ...FFF into a ...000. */
318 my_asnprintf (NULL, &length, "%.3a %d", 1.49999, 33, 44, 55);
319 ASSERT (result != NULL);
320 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
321 || strcmp (result, "0x3.000p-1 33") == 0
322 || strcmp (result, "0x6.000p-2 33") == 0
323 || strcmp (result, "0xc.000p-3 33") == 0);
324 ASSERT (length == strlen (result));
328 { /* Rounding can turn a ...FFF into a ...000.
329 This shows a MacOS X 10.3.9 (Darwin 7.9) bug. */
332 my_asnprintf (NULL, &length, "%.1a %d", 1.999, 33, 44, 55);
333 ASSERT (result != NULL);
334 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
335 || strcmp (result, "0x2.0p+0 33") == 0
336 || strcmp (result, "0x4.0p-1 33") == 0
337 || strcmp (result, "0x8.0p-2 33") == 0);
338 ASSERT (length == strlen (result));
345 my_asnprintf (NULL, &length, "%10a %d", 1.75, 33, 44, 55);
346 ASSERT (result != NULL);
347 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
348 || strcmp (result, " 0x3.8p-1 33") == 0
349 || strcmp (result, " 0x7p-2 33") == 0
350 || strcmp (result, " 0xep-3 33") == 0);
351 ASSERT (length == strlen (result));
355 { /* Small precision. */
358 my_asnprintf (NULL, &length, "%.10a %d", 1.75, 33, 44, 55);
359 ASSERT (result != NULL);
360 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
361 || strcmp (result, "0x3.8000000000p-1 33") == 0
362 || strcmp (result, "0x7.0000000000p-2 33") == 0
363 || strcmp (result, "0xe.0000000000p-3 33") == 0);
364 ASSERT (length == strlen (result));
368 { /* Large precision. */
371 my_asnprintf (NULL, &length, "%.50a %d", 1.75, 33, 44, 55);
372 ASSERT (result != NULL);
373 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
374 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
375 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
376 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
377 ASSERT (length == strlen (result));
384 my_asnprintf (NULL, &length, "%-10a %d", 1.75, 33, 44, 55);
385 ASSERT (result != NULL);
386 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
387 || strcmp (result, "0x3.8p-1 33") == 0
388 || strcmp (result, "0x7p-2 33") == 0
389 || strcmp (result, "0xep-3 33") == 0);
390 ASSERT (length == strlen (result));
394 { /* FLAG_SHOWSIGN. */
397 my_asnprintf (NULL, &length, "%+a %d", 1.75, 33, 44, 55);
398 ASSERT (result != NULL);
399 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
400 || strcmp (result, "+0x3.8p-1 33") == 0
401 || strcmp (result, "+0x7p-2 33") == 0
402 || strcmp (result, "+0xep-3 33") == 0);
403 ASSERT (length == strlen (result));
410 my_asnprintf (NULL, &length, "% a %d", 1.75, 33, 44, 55);
411 ASSERT (result != NULL);
412 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
413 || strcmp (result, " 0x3.8p-1 33") == 0
414 || strcmp (result, " 0x7p-2 33") == 0
415 || strcmp (result, " 0xep-3 33") == 0);
416 ASSERT (length == strlen (result));
423 my_asnprintf (NULL, &length, "%#a %d", 1.75, 33, 44, 55);
424 ASSERT (result != NULL);
425 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
426 || strcmp (result, "0x3.8p-1 33") == 0
427 || strcmp (result, "0x7.p-2 33") == 0
428 || strcmp (result, "0xe.p-3 33") == 0);
429 ASSERT (length == strlen (result));
436 my_asnprintf (NULL, &length, "%#a %d", 1.0, 33, 44, 55);
437 ASSERT (result != NULL);
438 ASSERT (strcmp (result, "0x1.p+0 33") == 0
439 || strcmp (result, "0x2.p-1 33") == 0
440 || strcmp (result, "0x4.p-2 33") == 0
441 || strcmp (result, "0x8.p-3 33") == 0);
442 ASSERT (length == strlen (result));
446 { /* FLAG_ZERO with finite number. */
449 my_asnprintf (NULL, &length, "%010a %d", 1.75, 33, 44, 55);
450 ASSERT (result != NULL);
451 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
452 || strcmp (result, "0x003.8p-1 33") == 0
453 || strcmp (result, "0x00007p-2 33") == 0
454 || strcmp (result, "0x0000ep-3 33") == 0);
455 ASSERT (length == strlen (result));
459 { /* FLAG_ZERO with infinite number. */
462 my_asnprintf (NULL, &length, "%010a %d", Infinityd (), 33, 44, 55);
463 ASSERT (result != NULL);
464 /* "0000000inf 33" is not a valid result; see
465 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
466 ASSERT (strcmp (result, " inf 33") == 0);
467 ASSERT (length == strlen (result));
471 { /* FLAG_ZERO with NaN. */
474 my_asnprintf (NULL, &length, "%050a %d", NaNd (), 33, 44, 55);
475 ASSERT (result != NULL);
476 /* "0000000nan 33" is not a valid result; see
477 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
478 ASSERT (strlen (result) == 50 + 3
479 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
480 && strcmp (result + strlen (result) - 3, " 33") == 0);
481 ASSERT (length == strlen (result));
485 { /* A positive number. */
488 my_asnprintf (NULL, &length, "%La %d", 3.1416015625L, 33, 44, 55);
489 ASSERT (result != NULL);
490 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
491 || strcmp (result, "0x3.244p+0 33") == 0
492 || strcmp (result, "0x6.488p-1 33") == 0
493 || strcmp (result, "0xc.91p-2 33") == 0);
494 ASSERT (length == strlen (result));
498 { /* A negative number. */
501 my_asnprintf (NULL, &length, "%LA %d", -3.1416015625L, 33, 44, 55);
502 ASSERT (result != NULL);
503 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
504 || strcmp (result, "-0X3.244P+0 33") == 0
505 || strcmp (result, "-0X6.488P-1 33") == 0
506 || strcmp (result, "-0XC.91P-2 33") == 0);
507 ASSERT (length == strlen (result));
511 { /* Positive zero. */
514 my_asnprintf (NULL, &length, "%La %d", 0.0L, 33, 44, 55);
515 ASSERT (result != NULL);
516 ASSERT (strcmp (result, "0x0p+0 33") == 0);
517 ASSERT (length == strlen (result));
521 { /* Negative zero. */
524 my_asnprintf (NULL, &length, "%La %d", minus_zerol, 33, 44, 55);
525 ASSERT (result != NULL);
526 if (have_minus_zero ())
527 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
528 ASSERT (length == strlen (result));
532 { /* Positive infinity. */
535 my_asnprintf (NULL, &length, "%La %d", Infinityl (), 33, 44, 55);
536 ASSERT (result != NULL);
537 ASSERT (strcmp (result, "inf 33") == 0);
538 ASSERT (length == strlen (result));
542 { /* Negative infinity. */
545 my_asnprintf (NULL, &length, "%La %d", - Infinityl (), 33, 44, 55);
546 ASSERT (result != NULL);
547 ASSERT (strcmp (result, "-inf 33") == 0);
548 ASSERT (length == strlen (result));
555 my_asnprintf (NULL, &length, "%La %d", NaNl (), 33, 44, 55);
556 ASSERT (result != NULL);
557 ASSERT (strlen (result) >= 3 + 3
558 && strisnan (result, 0, strlen (result) - 3, 0)
559 && strcmp (result + strlen (result) - 3, " 33") == 0);
560 ASSERT (length == strlen (result));
563 #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
565 static union { unsigned int word[4]; long double value; } x =
566 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
569 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
570 ASSERT (result != NULL);
571 ASSERT (strlen (result) >= 3 + 3
572 && strisnan (result, 0, strlen (result) - 3, 0)
573 && strcmp (result + strlen (result) - 3, " 33") == 0);
574 ASSERT (length == strlen (result));
578 /* Signalling NaN. */
579 static union { unsigned int word[4]; long double value; } x =
580 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
583 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
584 ASSERT (result != NULL);
585 ASSERT (strlen (result) >= 3 + 3
586 && strisnan (result, 0, strlen (result) - 3, 0)
587 && strcmp (result + strlen (result) - 3, " 33") == 0);
588 ASSERT (length == strlen (result));
591 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
592 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
593 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
594 Application Architecture.
595 Table 5-2 "Floating-Point Register Encodings"
596 Figure 5-6 "Memory to Floating-Point Register Data Translation"
599 static union { unsigned int word[4]; long double value; } x =
600 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
603 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
604 ASSERT (result != NULL);
605 ASSERT (strlen (result) >= 3 + 3
606 && strisnan (result, 0, strlen (result) - 3, 0)
607 && strcmp (result + strlen (result) - 3, " 33") == 0);
608 ASSERT (length == strlen (result));
611 { /* Pseudo-Infinity. */
612 static union { unsigned int word[4]; long double value; } x =
613 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
616 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
617 ASSERT (result != NULL);
618 ASSERT (strlen (result) >= 3 + 3
619 && strisnan (result, 0, strlen (result) - 3, 0)
620 && strcmp (result + strlen (result) - 3, " 33") == 0);
621 ASSERT (length == strlen (result));
625 static union { unsigned int word[4]; long double value; } x =
626 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
629 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
630 ASSERT (result != NULL);
631 ASSERT (strlen (result) >= 3 + 3
632 && strisnan (result, 0, strlen (result) - 3, 0)
633 && strcmp (result + strlen (result) - 3, " 33") == 0);
634 ASSERT (length == strlen (result));
637 { /* Unnormalized number. */
638 static union { unsigned int word[4]; long double value; } x =
639 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
642 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
643 ASSERT (result != NULL);
644 ASSERT (strlen (result) >= 3 + 3
645 && strisnan (result, 0, strlen (result) - 3, 0)
646 && strcmp (result + strlen (result) - 3, " 33") == 0);
647 ASSERT (length == strlen (result));
650 { /* Pseudo-Denormal. */
651 static union { unsigned int word[4]; long double value; } x =
652 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
655 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
656 ASSERT (result != NULL);
657 ASSERT (strlen (result) >= 3 + 3
658 && strisnan (result, 0, strlen (result) - 3, 0)
659 && strcmp (result + strlen (result) - 3, " 33") == 0);
660 ASSERT (length == strlen (result));
665 { /* Rounding near the decimal point. */
668 my_asnprintf (NULL, &length, "%.0La %d", 1.5L, 33, 44, 55);
669 ASSERT (result != NULL);
670 ASSERT (strcmp (result, "0x2p+0 33") == 0
671 || strcmp (result, "0x3p-1 33") == 0
672 || strcmp (result, "0x6p-2 33") == 0
673 || strcmp (result, "0xcp-3 33") == 0);
674 ASSERT (length == strlen (result));
678 { /* Rounding with precision 0. */
681 my_asnprintf (NULL, &length, "%.0La %d", 1.51L, 33, 44, 55);
682 ASSERT (result != NULL);
683 ASSERT (strcmp (result, "0x2p+0 33") == 0
684 || strcmp (result, "0x3p-1 33") == 0
685 || strcmp (result, "0x6p-2 33") == 0
686 || strcmp (result, "0xcp-3 33") == 0);
687 ASSERT (length == strlen (result));
691 { /* Rounding with precision 1. */
694 my_asnprintf (NULL, &length, "%.1La %d", 1.51L, 33, 44, 55);
695 ASSERT (result != NULL);
696 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
697 || strcmp (result, "0x3.0p-1 33") == 0
698 || strcmp (result, "0x6.1p-2 33") == 0
699 || strcmp (result, "0xc.1p-3 33") == 0);
700 ASSERT (length == strlen (result));
704 { /* Rounding with precision 2. */
707 my_asnprintf (NULL, &length, "%.2La %d", 1.51L, 33, 44, 55);
708 ASSERT (result != NULL);
709 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
710 || strcmp (result, "0x3.05p-1 33") == 0
711 || strcmp (result, "0x6.0ap-2 33") == 0
712 || strcmp (result, "0xc.14p-3 33") == 0);
713 ASSERT (length == strlen (result));
717 { /* Rounding with precision 3. */
720 my_asnprintf (NULL, &length, "%.3La %d", 1.51L, 33, 44, 55);
721 ASSERT (result != NULL);
722 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
723 || strcmp (result, "0x3.052p-1 33") == 0
724 || strcmp (result, "0x6.0a4p-2 33") == 0
725 || strcmp (result, "0xc.148p-3 33") == 0);
726 ASSERT (length == strlen (result));
730 { /* Rounding can turn a ...FFF into a ...000. */
733 my_asnprintf (NULL, &length, "%.3La %d", 1.49999L, 33, 44, 55);
734 ASSERT (result != NULL);
735 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
736 || strcmp (result, "0x3.000p-1 33") == 0
737 || strcmp (result, "0x6.000p-2 33") == 0
738 || strcmp (result, "0xc.000p-3 33") == 0);
739 ASSERT (length == strlen (result));
743 { /* Rounding can turn a ...FFF into a ...000.
744 This shows a MacOS X 10.3.9 (Darwin 7.9) bug and a
745 glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
748 my_asnprintf (NULL, &length, "%.1La %d", 1.999L, 33, 44, 55);
749 ASSERT (result != NULL);
750 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
751 || strcmp (result, "0x2.0p+0 33") == 0
752 || strcmp (result, "0x4.0p-1 33") == 0
753 || strcmp (result, "0x8.0p-2 33") == 0);
754 ASSERT (length == strlen (result));
761 my_asnprintf (NULL, &length, "%10La %d", 1.75L, 33, 44, 55);
762 ASSERT (result != NULL);
763 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
764 || strcmp (result, " 0x3.8p-1 33") == 0
765 || strcmp (result, " 0x7p-2 33") == 0
766 || strcmp (result, " 0xep-3 33") == 0);
767 ASSERT (length == strlen (result));
771 { /* Small precision. */
774 my_asnprintf (NULL, &length, "%.10La %d", 1.75L, 33, 44, 55);
775 ASSERT (result != NULL);
776 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
777 || strcmp (result, "0x3.8000000000p-1 33") == 0
778 || strcmp (result, "0x7.0000000000p-2 33") == 0
779 || strcmp (result, "0xe.0000000000p-3 33") == 0);
780 ASSERT (length == strlen (result));
784 { /* Large precision. */
787 my_asnprintf (NULL, &length, "%.50La %d", 1.75L, 33, 44, 55);
788 ASSERT (result != NULL);
789 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
790 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
791 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
792 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
793 ASSERT (length == strlen (result));
800 my_asnprintf (NULL, &length, "%-10La %d", 1.75L, 33, 44, 55);
801 ASSERT (result != NULL);
802 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
803 || strcmp (result, "0x3.8p-1 33") == 0
804 || strcmp (result, "0x7p-2 33") == 0
805 || strcmp (result, "0xep-3 33") == 0);
806 ASSERT (length == strlen (result));
810 { /* FLAG_SHOWSIGN. */
813 my_asnprintf (NULL, &length, "%+La %d", 1.75L, 33, 44, 55);
814 ASSERT (result != NULL);
815 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
816 || strcmp (result, "+0x3.8p-1 33") == 0
817 || strcmp (result, "+0x7p-2 33") == 0
818 || strcmp (result, "+0xep-3 33") == 0);
819 ASSERT (length == strlen (result));
826 my_asnprintf (NULL, &length, "% La %d", 1.75L, 33, 44, 55);
827 ASSERT (result != NULL);
828 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
829 || strcmp (result, " 0x3.8p-1 33") == 0
830 || strcmp (result, " 0x7p-2 33") == 0
831 || strcmp (result, " 0xep-3 33") == 0);
832 ASSERT (length == strlen (result));
839 my_asnprintf (NULL, &length, "%#La %d", 1.75L, 33, 44, 55);
840 ASSERT (result != NULL);
841 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
842 || strcmp (result, "0x3.8p-1 33") == 0
843 || strcmp (result, "0x7.p-2 33") == 0
844 || strcmp (result, "0xe.p-3 33") == 0);
845 ASSERT (length == strlen (result));
852 my_asnprintf (NULL, &length, "%#La %d", 1.0L, 33, 44, 55);
853 ASSERT (result != NULL);
854 ASSERT (strcmp (result, "0x1.p+0 33") == 0
855 || strcmp (result, "0x2.p-1 33") == 0
856 || strcmp (result, "0x4.p-2 33") == 0
857 || strcmp (result, "0x8.p-3 33") == 0);
858 ASSERT (length == strlen (result));
862 { /* FLAG_ZERO with finite number. */
865 my_asnprintf (NULL, &length, "%010La %d", 1.75L, 33, 44, 55);
866 ASSERT (result != NULL);
867 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
868 || strcmp (result, "0x003.8p-1 33") == 0
869 || strcmp (result, "0x00007p-2 33") == 0
870 || strcmp (result, "0x0000ep-3 33") == 0);
871 ASSERT (length == strlen (result));
875 { /* FLAG_ZERO with infinite number. */
878 my_asnprintf (NULL, &length, "%010La %d", Infinityl (), 33, 44, 55);
879 ASSERT (result != NULL);
880 /* "0000000inf 33" is not a valid result; see
881 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
882 ASSERT (strcmp (result, " inf 33") == 0);
883 ASSERT (length == strlen (result));
887 { /* FLAG_ZERO with NaN. */
890 my_asnprintf (NULL, &length, "%050La %d", NaNl (), 33, 44, 55);
891 ASSERT (result != NULL);
892 /* "0000000nan 33" is not a valid result; see
893 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
894 ASSERT (strlen (result) == 50 + 3
895 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
896 && strcmp (result + strlen (result) - 3, " 33") == 0);
897 ASSERT (length == strlen (result));
901 /* Test the support of the %f format directive. */
903 { /* A positive number. */
906 my_asnprintf (NULL, &length, "%f %d", 12.75, 33, 44, 55);
907 ASSERT (result != NULL);
908 ASSERT (strcmp (result, "12.750000 33") == 0);
909 ASSERT (length == strlen (result));
913 { /* A larger positive number. */
916 my_asnprintf (NULL, &length, "%f %d", 1234567.0, 33, 44, 55);
917 ASSERT (result != NULL);
918 ASSERT (strcmp (result, "1234567.000000 33") == 0);
919 ASSERT (length == strlen (result));
923 { /* Small and large positive numbers. */
924 static struct { double value; const char *string; } data[] =
926 { 1.234321234321234e-37, "0.000000" },
927 { 1.234321234321234e-36, "0.000000" },
928 { 1.234321234321234e-35, "0.000000" },
929 { 1.234321234321234e-34, "0.000000" },
930 { 1.234321234321234e-33, "0.000000" },
931 { 1.234321234321234e-32, "0.000000" },
932 { 1.234321234321234e-31, "0.000000" },
933 { 1.234321234321234e-30, "0.000000" },
934 { 1.234321234321234e-29, "0.000000" },
935 { 1.234321234321234e-28, "0.000000" },
936 { 1.234321234321234e-27, "0.000000" },
937 { 1.234321234321234e-26, "0.000000" },
938 { 1.234321234321234e-25, "0.000000" },
939 { 1.234321234321234e-24, "0.000000" },
940 { 1.234321234321234e-23, "0.000000" },
941 { 1.234321234321234e-22, "0.000000" },
942 { 1.234321234321234e-21, "0.000000" },
943 { 1.234321234321234e-20, "0.000000" },
944 { 1.234321234321234e-19, "0.000000" },
945 { 1.234321234321234e-18, "0.000000" },
946 { 1.234321234321234e-17, "0.000000" },
947 { 1.234321234321234e-16, "0.000000" },
948 { 1.234321234321234e-15, "0.000000" },
949 { 1.234321234321234e-14, "0.000000" },
950 { 1.234321234321234e-13, "0.000000" },
951 { 1.234321234321234e-12, "0.000000" },
952 { 1.234321234321234e-11, "0.000000" },
953 { 1.234321234321234e-10, "0.000000" },
954 { 1.234321234321234e-9, "0.000000" },
955 { 1.234321234321234e-8, "0.000000" },
956 { 1.234321234321234e-7, "0.000000" },
957 { 1.234321234321234e-6, "0.000001" },
958 { 1.234321234321234e-5, "0.000012" },
959 { 1.234321234321234e-4, "0.000123" },
960 { 1.234321234321234e-3, "0.001234" },
961 { 1.234321234321234e-2, "0.012343" },
962 { 1.234321234321234e-1, "0.123432" },
963 { 1.234321234321234, "1.234321" },
964 { 1.234321234321234e1, "12.343212" },
965 { 1.234321234321234e2, "123.432123" },
966 { 1.234321234321234e3, "1234.321234" },
967 { 1.234321234321234e4, "12343.212343" },
968 { 1.234321234321234e5, "123432.123432" },
969 { 1.234321234321234e6, "1234321.234321" },
970 { 1.234321234321234e7, "12343212.343212" },
971 { 1.234321234321234e8, "123432123.432123" },
972 { 1.234321234321234e9, "1234321234.321234" },
973 { 1.234321234321234e10, "12343212343.2123**" },
974 { 1.234321234321234e11, "123432123432.123***" },
975 { 1.234321234321234e12, "1234321234321.23****" },
976 { 1.234321234321234e13, "12343212343212.3*****" },
977 { 1.234321234321234e14, "123432123432123.******" },
978 { 1.234321234321234e15, "1234321234321234.000000" },
979 { 1.234321234321234e16, "123432123432123**.000000" },
980 { 1.234321234321234e17, "123432123432123***.000000" },
981 { 1.234321234321234e18, "123432123432123****.000000" },
982 { 1.234321234321234e19, "123432123432123*****.000000" },
983 { 1.234321234321234e20, "123432123432123******.000000" },
984 { 1.234321234321234e21, "123432123432123*******.000000" },
985 { 1.234321234321234e22, "123432123432123********.000000" },
986 { 1.234321234321234e23, "123432123432123*********.000000" },
987 { 1.234321234321234e24, "123432123432123**********.000000" },
988 { 1.234321234321234e25, "123432123432123***********.000000" },
989 { 1.234321234321234e26, "123432123432123************.000000" },
990 { 1.234321234321234e27, "123432123432123*************.000000" },
991 { 1.234321234321234e28, "123432123432123**************.000000" },
992 { 1.234321234321234e29, "123432123432123***************.000000" },
993 { 1.234321234321234e30, "123432123432123****************.000000" },
994 { 1.234321234321234e31, "123432123432123*****************.000000" },
995 { 1.234321234321234e32, "123432123432123******************.000000" },
996 { 1.234321234321234e33, "123432123432123*******************.000000" },
997 { 1.234321234321234e34, "123432123432123********************.000000" },
998 { 1.234321234321234e35, "123432123432123*********************.000000" },
999 { 1.234321234321234e36, "123432123432123**********************.000000" }
1002 for (k = 0; k < SIZEOF (data); k++)
1006 my_asnprintf (NULL, &length, "%f", data[k].value);
1007 ASSERT (result != NULL);
1008 ASSERT (strmatch (data[k].string, result));
1009 ASSERT (length == strlen (result));
1014 { /* A negative number. */
1017 my_asnprintf (NULL, &length, "%f %d", -0.03125, 33, 44, 55);
1018 ASSERT (result != NULL);
1019 ASSERT (strcmp (result, "-0.031250 33") == 0);
1020 ASSERT (length == strlen (result));
1024 { /* Positive zero. */
1027 my_asnprintf (NULL, &length, "%f %d", 0.0, 33, 44, 55);
1028 ASSERT (result != NULL);
1029 ASSERT (strcmp (result, "0.000000 33") == 0);
1030 ASSERT (length == strlen (result));
1034 { /* Negative zero. */
1037 my_asnprintf (NULL, &length, "%f %d", minus_zerod, 33, 44, 55);
1038 ASSERT (result != NULL);
1039 if (have_minus_zero ())
1040 ASSERT (strcmp (result, "-0.000000 33") == 0);
1041 ASSERT (length == strlen (result));
1045 { /* Positive infinity. */
1048 my_asnprintf (NULL, &length, "%f %d", Infinityd (), 33, 44, 55);
1049 ASSERT (result != NULL);
1050 ASSERT (strcmp (result, "inf 33") == 0
1051 || strcmp (result, "infinity 33") == 0);
1052 ASSERT (length == strlen (result));
1056 { /* Negative infinity. */
1059 my_asnprintf (NULL, &length, "%f %d", - Infinityd (), 33, 44, 55);
1060 ASSERT (result != NULL);
1061 ASSERT (strcmp (result, "-inf 33") == 0
1062 || strcmp (result, "-infinity 33") == 0);
1063 ASSERT (length == strlen (result));
1070 my_asnprintf (NULL, &length, "%f %d", NaNd (), 33, 44, 55);
1071 ASSERT (result != NULL);
1072 ASSERT (strlen (result) >= 3 + 3
1073 && strisnan (result, 0, strlen (result) - 3, 0)
1074 && strcmp (result + strlen (result) - 3, " 33") == 0);
1075 ASSERT (length == strlen (result));
1082 my_asnprintf (NULL, &length, "%10f %d", 1.75, 33, 44, 55);
1083 ASSERT (result != NULL);
1084 ASSERT (strcmp (result, " 1.750000 33") == 0);
1085 ASSERT (length == strlen (result));
1092 my_asnprintf (NULL, &length, "%-10f %d", 1.75, 33, 44, 55);
1093 ASSERT (result != NULL);
1094 ASSERT (strcmp (result, "1.750000 33") == 0);
1095 ASSERT (length == strlen (result));
1099 { /* FLAG_SHOWSIGN. */
1102 my_asnprintf (NULL, &length, "%+f %d", 1.75, 33, 44, 55);
1103 ASSERT (result != NULL);
1104 ASSERT (strcmp (result, "+1.750000 33") == 0);
1105 ASSERT (length == strlen (result));
1112 my_asnprintf (NULL, &length, "% f %d", 1.75, 33, 44, 55);
1113 ASSERT (result != NULL);
1114 ASSERT (strcmp (result, " 1.750000 33") == 0);
1115 ASSERT (length == strlen (result));
1122 my_asnprintf (NULL, &length, "%#f %d", 1.75, 33, 44, 55);
1123 ASSERT (result != NULL);
1124 ASSERT (strcmp (result, "1.750000 33") == 0);
1125 ASSERT (length == strlen (result));
1132 my_asnprintf (NULL, &length, "%#.f %d", 1.75, 33, 44, 55);
1133 ASSERT (result != NULL);
1134 ASSERT (strcmp (result, "2. 33") == 0);
1135 ASSERT (length == strlen (result));
1139 { /* FLAG_ZERO with finite number. */
1142 my_asnprintf (NULL, &length, "%015f %d", 1234.0, 33, 44, 55);
1143 ASSERT (result != NULL);
1144 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1145 ASSERT (length == strlen (result));
1149 { /* FLAG_ZERO with infinite number. */
1152 my_asnprintf (NULL, &length, "%015f %d", - Infinityd (), 33, 44, 55);
1153 ASSERT (result != NULL);
1154 ASSERT (strcmp (result, " -inf 33") == 0
1155 || strcmp (result, " -infinity 33") == 0);
1156 ASSERT (length == strlen (result));
1160 { /* FLAG_ZERO with NaN. */
1163 my_asnprintf (NULL, &length, "%050f %d", NaNd (), 33, 44, 55);
1164 ASSERT (result != NULL);
1165 ASSERT (strlen (result) == 50 + 3
1166 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1167 && strcmp (result + strlen (result) - 3, " 33") == 0);
1168 ASSERT (length == strlen (result));
1175 my_asnprintf (NULL, &length, "%.f %d", 1234.0, 33, 44, 55);
1176 ASSERT (result != NULL);
1177 ASSERT (strcmp (result, "1234 33") == 0);
1178 ASSERT (length == strlen (result));
1182 { /* Precision with no rounding. */
1185 my_asnprintf (NULL, &length, "%.2f %d", 999.951, 33, 44, 55);
1186 ASSERT (result != NULL);
1187 ASSERT (strcmp (result, "999.95 33") == 0);
1188 ASSERT (length == strlen (result));
1192 { /* Precision with rounding. */
1195 my_asnprintf (NULL, &length, "%.2f %d", 999.996, 33, 44, 55);
1196 ASSERT (result != NULL);
1197 ASSERT (strcmp (result, "1000.00 33") == 0);
1198 ASSERT (length == strlen (result));
1202 { /* A positive number. */
1205 my_asnprintf (NULL, &length, "%Lf %d", 12.75L, 33, 44, 55);
1206 ASSERT (result != NULL);
1207 ASSERT (strcmp (result, "12.750000 33") == 0);
1208 ASSERT (length == strlen (result));
1212 { /* A larger positive number. */
1215 my_asnprintf (NULL, &length, "%Lf %d", 1234567.0L, 33, 44, 55);
1216 ASSERT (result != NULL);
1217 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1218 ASSERT (length == strlen (result));
1222 { /* Small and large positive numbers. */
1223 static struct { long double value; const char *string; } data[] =
1225 { 1.234321234321234e-37L, "0.000000" },
1226 { 1.234321234321234e-36L, "0.000000" },
1227 { 1.234321234321234e-35L, "0.000000" },
1228 { 1.234321234321234e-34L, "0.000000" },
1229 { 1.234321234321234e-33L, "0.000000" },
1230 { 1.234321234321234e-32L, "0.000000" },
1231 { 1.234321234321234e-31L, "0.000000" },
1232 { 1.234321234321234e-30L, "0.000000" },
1233 { 1.234321234321234e-29L, "0.000000" },
1234 { 1.234321234321234e-28L, "0.000000" },
1235 { 1.234321234321234e-27L, "0.000000" },
1236 { 1.234321234321234e-26L, "0.000000" },
1237 { 1.234321234321234e-25L, "0.000000" },
1238 { 1.234321234321234e-24L, "0.000000" },
1239 { 1.234321234321234e-23L, "0.000000" },
1240 { 1.234321234321234e-22L, "0.000000" },
1241 { 1.234321234321234e-21L, "0.000000" },
1242 { 1.234321234321234e-20L, "0.000000" },
1243 { 1.234321234321234e-19L, "0.000000" },
1244 { 1.234321234321234e-18L, "0.000000" },
1245 { 1.234321234321234e-17L, "0.000000" },
1246 { 1.234321234321234e-16L, "0.000000" },
1247 { 1.234321234321234e-15L, "0.000000" },
1248 { 1.234321234321234e-14L, "0.000000" },
1249 { 1.234321234321234e-13L, "0.000000" },
1250 { 1.234321234321234e-12L, "0.000000" },
1251 { 1.234321234321234e-11L, "0.000000" },
1252 { 1.234321234321234e-10L, "0.000000" },
1253 { 1.234321234321234e-9L, "0.000000" },
1254 { 1.234321234321234e-8L, "0.000000" },
1255 { 1.234321234321234e-7L, "0.000000" },
1256 { 1.234321234321234e-6L, "0.000001" },
1257 { 1.234321234321234e-5L, "0.000012" },
1258 { 1.234321234321234e-4L, "0.000123" },
1259 { 1.234321234321234e-3L, "0.001234" },
1260 { 1.234321234321234e-2L, "0.012343" },
1261 { 1.234321234321234e-1L, "0.123432" },
1262 { 1.234321234321234L, "1.234321" },
1263 { 1.234321234321234e1L, "12.343212" },
1264 { 1.234321234321234e2L, "123.432123" },
1265 { 1.234321234321234e3L, "1234.321234" },
1266 { 1.234321234321234e4L, "12343.212343" },
1267 { 1.234321234321234e5L, "123432.123432" },
1268 { 1.234321234321234e6L, "1234321.234321" },
1269 { 1.234321234321234e7L, "12343212.343212" },
1270 { 1.234321234321234e8L, "123432123.432123" },
1271 { 1.234321234321234e9L, "1234321234.321234" },
1272 { 1.234321234321234e10L, "12343212343.2123**" },
1273 { 1.234321234321234e11L, "123432123432.123***" },
1274 { 1.234321234321234e12L, "1234321234321.23****" },
1275 { 1.234321234321234e13L, "12343212343212.3*****" },
1276 { 1.234321234321234e14L, "123432123432123.******" },
1277 { 1.234321234321234e15L, "1234321234321234.000000" },
1278 { 1.234321234321234e16L, "123432123432123**.000000" },
1279 { 1.234321234321234e17L, "123432123432123***.000000" },
1280 { 1.234321234321234e18L, "123432123432123****.000000" },
1281 { 1.234321234321234e19L, "123432123432123*****.000000" },
1282 { 1.234321234321234e20L, "123432123432123******.000000" },
1283 { 1.234321234321234e21L, "123432123432123*******.000000" },
1284 { 1.234321234321234e22L, "123432123432123********.000000" },
1285 { 1.234321234321234e23L, "123432123432123*********.000000" },
1286 { 1.234321234321234e24L, "123432123432123**********.000000" },
1287 { 1.234321234321234e25L, "123432123432123***********.000000" },
1288 { 1.234321234321234e26L, "123432123432123************.000000" },
1289 { 1.234321234321234e27L, "123432123432123*************.000000" },
1290 { 1.234321234321234e28L, "123432123432123**************.000000" },
1291 { 1.234321234321234e29L, "123432123432123***************.000000" },
1292 { 1.234321234321234e30L, "123432123432123****************.000000" },
1293 { 1.234321234321234e31L, "123432123432123*****************.000000" },
1294 { 1.234321234321234e32L, "123432123432123******************.000000" },
1295 { 1.234321234321234e33L, "123432123432123*******************.000000" },
1296 { 1.234321234321234e34L, "123432123432123********************.000000" },
1297 { 1.234321234321234e35L, "123432123432123*********************.000000" },
1298 { 1.234321234321234e36L, "123432123432123**********************.000000" }
1301 for (k = 0; k < SIZEOF (data); k++)
1305 my_asnprintf (NULL, &length, "%Lf", data[k].value);
1306 ASSERT (result != NULL);
1307 ASSERT (strmatch (data[k].string, result));
1308 ASSERT (length == strlen (result));
1313 { /* A negative number. */
1316 my_asnprintf (NULL, &length, "%Lf %d", -0.03125L, 33, 44, 55);
1317 ASSERT (result != NULL);
1318 ASSERT (strcmp (result, "-0.031250 33") == 0);
1319 ASSERT (length == strlen (result));
1323 { /* Positive zero. */
1326 my_asnprintf (NULL, &length, "%Lf %d", 0.0L, 33, 44, 55);
1327 ASSERT (result != NULL);
1328 ASSERT (strcmp (result, "0.000000 33") == 0);
1329 ASSERT (length == strlen (result));
1333 { /* Negative zero. */
1336 my_asnprintf (NULL, &length, "%Lf %d", minus_zerol, 33, 44, 55);
1337 ASSERT (result != NULL);
1338 if (have_minus_zero ())
1339 ASSERT (strcmp (result, "-0.000000 33") == 0);
1340 ASSERT (length == strlen (result));
1344 { /* Positive infinity. */
1347 my_asnprintf (NULL, &length, "%Lf %d", Infinityl (), 33, 44, 55);
1348 ASSERT (result != NULL);
1349 ASSERT (strcmp (result, "inf 33") == 0
1350 || strcmp (result, "infinity 33") == 0);
1351 ASSERT (length == strlen (result));
1355 { /* Negative infinity. */
1358 my_asnprintf (NULL, &length, "%Lf %d", - Infinityl (), 33, 44, 55);
1359 ASSERT (result != NULL);
1360 ASSERT (strcmp (result, "-inf 33") == 0
1361 || strcmp (result, "-infinity 33") == 0);
1362 ASSERT (length == strlen (result));
1369 my_asnprintf (NULL, &length, "%Lf %d", NaNl (), 33, 44, 55);
1370 ASSERT (result != NULL);
1371 ASSERT (strlen (result) >= 3 + 3
1372 && strisnan (result, 0, strlen (result) - 3, 0)
1373 && strcmp (result + strlen (result) - 3, " 33") == 0);
1374 ASSERT (length == strlen (result));
1377 #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
1379 static union { unsigned int word[4]; long double value; } x =
1380 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
1383 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1384 ASSERT (result != NULL);
1385 ASSERT (strlen (result) >= 3 + 3
1386 && strisnan (result, 0, strlen (result) - 3, 0)
1387 && strcmp (result + strlen (result) - 3, " 33") == 0);
1388 ASSERT (length == strlen (result));
1392 /* Signalling NaN. */
1393 static union { unsigned int word[4]; long double value; } x =
1394 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
1397 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1398 ASSERT (result != NULL);
1399 ASSERT (strlen (result) >= 3 + 3
1400 && strisnan (result, 0, strlen (result) - 3, 0)
1401 && strcmp (result + strlen (result) - 3, " 33") == 0);
1402 ASSERT (length == strlen (result));
1405 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
1406 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
1407 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
1408 Application Architecture.
1409 Table 5-2 "Floating-Point Register Encodings"
1410 Figure 5-6 "Memory to Floating-Point Register Data Translation"
1413 static union { unsigned int word[4]; long double value; } x =
1414 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
1417 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1418 ASSERT (result != NULL);
1419 ASSERT (strlen (result) >= 3 + 3
1420 && strisnan (result, 0, strlen (result) - 3, 0)
1421 && strcmp (result + strlen (result) - 3, " 33") == 0);
1422 ASSERT (length == strlen (result));
1425 { /* Pseudo-Infinity. */
1426 static union { unsigned int word[4]; long double value; } x =
1427 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
1430 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1431 ASSERT (result != NULL);
1432 ASSERT (strlen (result) >= 3 + 3
1433 && strisnan (result, 0, strlen (result) - 3, 0)
1434 && strcmp (result + strlen (result) - 3, " 33") == 0);
1435 ASSERT (length == strlen (result));
1438 { /* Pseudo-Zero. */
1439 static union { unsigned int word[4]; long double value; } x =
1440 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
1443 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1444 ASSERT (result != NULL);
1445 ASSERT (strlen (result) >= 3 + 3
1446 && strisnan (result, 0, strlen (result) - 3, 0)
1447 && strcmp (result + strlen (result) - 3, " 33") == 0);
1448 ASSERT (length == strlen (result));
1451 { /* Unnormalized number. */
1452 static union { unsigned int word[4]; long double value; } x =
1453 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
1456 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1457 ASSERT (result != NULL);
1458 ASSERT (strlen (result) >= 3 + 3
1459 && strisnan (result, 0, strlen (result) - 3, 0)
1460 && strcmp (result + strlen (result) - 3, " 33") == 0);
1461 ASSERT (length == strlen (result));
1464 { /* Pseudo-Denormal. */
1465 static union { unsigned int word[4]; long double value; } x =
1466 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
1469 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1470 ASSERT (result != NULL);
1471 ASSERT (strlen (result) >= 3 + 3
1472 && strisnan (result, 0, strlen (result) - 3, 0)
1473 && strcmp (result + strlen (result) - 3, " 33") == 0);
1474 ASSERT (length == strlen (result));
1482 my_asnprintf (NULL, &length, "%10Lf %d", 1.75L, 33, 44, 55);
1483 ASSERT (result != NULL);
1484 ASSERT (strcmp (result, " 1.750000 33") == 0);
1485 ASSERT (length == strlen (result));
1492 my_asnprintf (NULL, &length, "%-10Lf %d", 1.75L, 33, 44, 55);
1493 ASSERT (result != NULL);
1494 ASSERT (strcmp (result, "1.750000 33") == 0);
1495 ASSERT (length == strlen (result));
1499 { /* FLAG_SHOWSIGN. */
1502 my_asnprintf (NULL, &length, "%+Lf %d", 1.75L, 33, 44, 55);
1503 ASSERT (result != NULL);
1504 ASSERT (strcmp (result, "+1.750000 33") == 0);
1505 ASSERT (length == strlen (result));
1512 my_asnprintf (NULL, &length, "% Lf %d", 1.75L, 33, 44, 55);
1513 ASSERT (result != NULL);
1514 ASSERT (strcmp (result, " 1.750000 33") == 0);
1515 ASSERT (length == strlen (result));
1522 my_asnprintf (NULL, &length, "%#Lf %d", 1.75L, 33, 44, 55);
1523 ASSERT (result != NULL);
1524 ASSERT (strcmp (result, "1.750000 33") == 0);
1525 ASSERT (length == strlen (result));
1532 my_asnprintf (NULL, &length, "%#.Lf %d", 1.75L, 33, 44, 55);
1533 ASSERT (result != NULL);
1534 ASSERT (strcmp (result, "2. 33") == 0);
1535 ASSERT (length == strlen (result));
1539 { /* FLAG_ZERO with finite number. */
1542 my_asnprintf (NULL, &length, "%015Lf %d", 1234.0L, 33, 44, 55);
1543 ASSERT (result != NULL);
1544 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1545 ASSERT (length == strlen (result));
1549 { /* FLAG_ZERO with infinite number. */
1552 my_asnprintf (NULL, &length, "%015Lf %d", - Infinityl (), 33, 44, 55);
1553 ASSERT (result != NULL);
1554 ASSERT (strcmp (result, " -inf 33") == 0
1555 || strcmp (result, " -infinity 33") == 0);
1556 ASSERT (length == strlen (result));
1560 { /* FLAG_ZERO with NaN. */
1563 my_asnprintf (NULL, &length, "%050Lf %d", NaNl (), 33, 44, 55);
1564 ASSERT (result != NULL);
1565 ASSERT (strlen (result) == 50 + 3
1566 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1567 && strcmp (result + strlen (result) - 3, " 33") == 0);
1568 ASSERT (length == strlen (result));
1575 my_asnprintf (NULL, &length, "%.Lf %d", 1234.0L, 33, 44, 55);
1576 ASSERT (result != NULL);
1577 ASSERT (strcmp (result, "1234 33") == 0);
1578 ASSERT (length == strlen (result));
1582 { /* Precision with no rounding. */
1585 my_asnprintf (NULL, &length, "%.2Lf %d", 999.951L, 33, 44, 55);
1586 ASSERT (result != NULL);
1587 ASSERT (strcmp (result, "999.95 33") == 0);
1588 ASSERT (length == strlen (result));
1592 { /* Precision with rounding. */
1595 my_asnprintf (NULL, &length, "%.2Lf %d", 999.996L, 33, 44, 55);
1596 ASSERT (result != NULL);
1597 ASSERT (strcmp (result, "1000.00 33") == 0);
1598 ASSERT (length == strlen (result));
1602 /* Test the support of the %F format directive. */
1604 { /* A positive number. */
1607 my_asnprintf (NULL, &length, "%F %d", 12.75, 33, 44, 55);
1608 ASSERT (result != NULL);
1609 ASSERT (strcmp (result, "12.750000 33") == 0);
1610 ASSERT (length == strlen (result));
1614 { /* A larger positive number. */
1617 my_asnprintf (NULL, &length, "%F %d", 1234567.0, 33, 44, 55);
1618 ASSERT (result != NULL);
1619 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1620 ASSERT (length == strlen (result));
1624 { /* A negative number. */
1627 my_asnprintf (NULL, &length, "%F %d", -0.03125, 33, 44, 55);
1628 ASSERT (result != NULL);
1629 ASSERT (strcmp (result, "-0.031250 33") == 0);
1630 ASSERT (length == strlen (result));
1634 { /* Positive zero. */
1637 my_asnprintf (NULL, &length, "%F %d", 0.0, 33, 44, 55);
1638 ASSERT (result != NULL);
1639 ASSERT (strcmp (result, "0.000000 33") == 0);
1640 ASSERT (length == strlen (result));
1644 { /* Negative zero. */
1647 my_asnprintf (NULL, &length, "%F %d", minus_zerod, 33, 44, 55);
1648 ASSERT (result != NULL);
1649 if (have_minus_zero ())
1650 ASSERT (strcmp (result, "-0.000000 33") == 0);
1651 ASSERT (length == strlen (result));
1655 { /* Positive infinity. */
1658 my_asnprintf (NULL, &length, "%F %d", Infinityd (), 33, 44, 55);
1659 ASSERT (result != NULL);
1660 ASSERT (strcmp (result, "INF 33") == 0
1661 || strcmp (result, "INFINITY 33") == 0);
1662 ASSERT (length == strlen (result));
1666 { /* Negative infinity. */
1669 my_asnprintf (NULL, &length, "%F %d", - Infinityd (), 33, 44, 55);
1670 ASSERT (result != NULL);
1671 ASSERT (strcmp (result, "-INF 33") == 0
1672 || strcmp (result, "-INFINITY 33") == 0);
1673 ASSERT (length == strlen (result));
1680 my_asnprintf (NULL, &length, "%F %d", NaNd (), 33, 44, 55);
1681 ASSERT (result != NULL);
1682 ASSERT (strlen (result) >= 3 + 3
1683 && strisnan (result, 0, strlen (result) - 3, 1)
1684 && strcmp (result + strlen (result) - 3, " 33") == 0);
1685 ASSERT (length == strlen (result));
1692 my_asnprintf (NULL, &length, "%015F %d", 1234.0, 33, 44, 55);
1693 ASSERT (result != NULL);
1694 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1695 ASSERT (length == strlen (result));
1699 { /* FLAG_ZERO with infinite number. */
1702 my_asnprintf (NULL, &length, "%015F %d", - Infinityd (), 33, 44, 55);
1703 ASSERT (result != NULL);
1704 ASSERT (strcmp (result, " -INF 33") == 0
1705 || strcmp (result, " -INFINITY 33") == 0);
1706 ASSERT (length == strlen (result));
1713 my_asnprintf (NULL, &length, "%.F %d", 1234.0, 33, 44, 55);
1714 ASSERT (result != NULL);
1715 ASSERT (strcmp (result, "1234 33") == 0);
1716 ASSERT (length == strlen (result));
1720 { /* Precision with no rounding. */
1723 my_asnprintf (NULL, &length, "%.2F %d", 999.951, 33, 44, 55);
1724 ASSERT (result != NULL);
1725 ASSERT (strcmp (result, "999.95 33") == 0);
1726 ASSERT (length == strlen (result));
1730 { /* Precision with rounding. */
1733 my_asnprintf (NULL, &length, "%.2F %d", 999.996, 33, 44, 55);
1734 ASSERT (result != NULL);
1735 ASSERT (strcmp (result, "1000.00 33") == 0);
1736 ASSERT (length == strlen (result));
1740 { /* A positive number. */
1743 my_asnprintf (NULL, &length, "%LF %d", 12.75L, 33, 44, 55);
1744 ASSERT (result != NULL);
1745 ASSERT (strcmp (result, "12.750000 33") == 0);
1746 ASSERT (length == strlen (result));
1750 { /* A larger positive number. */
1753 my_asnprintf (NULL, &length, "%LF %d", 1234567.0L, 33, 44, 55);
1754 ASSERT (result != NULL);
1755 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1756 ASSERT (length == strlen (result));
1760 { /* A negative number. */
1763 my_asnprintf (NULL, &length, "%LF %d", -0.03125L, 33, 44, 55);
1764 ASSERT (result != NULL);
1765 ASSERT (strcmp (result, "-0.031250 33") == 0);
1766 ASSERT (length == strlen (result));
1770 { /* Positive zero. */
1773 my_asnprintf (NULL, &length, "%LF %d", 0.0L, 33, 44, 55);
1774 ASSERT (result != NULL);
1775 ASSERT (strcmp (result, "0.000000 33") == 0);
1776 ASSERT (length == strlen (result));
1780 { /* Negative zero. */
1783 my_asnprintf (NULL, &length, "%LF %d", minus_zerol, 33, 44, 55);
1784 ASSERT (result != NULL);
1785 if (have_minus_zero ())
1786 ASSERT (strcmp (result, "-0.000000 33") == 0);
1787 ASSERT (length == strlen (result));
1791 { /* Positive infinity. */
1794 my_asnprintf (NULL, &length, "%LF %d", Infinityl (), 33, 44, 55);
1795 ASSERT (result != NULL);
1796 ASSERT (strcmp (result, "INF 33") == 0
1797 || strcmp (result, "INFINITY 33") == 0);
1798 ASSERT (length == strlen (result));
1802 { /* Negative infinity. */
1805 my_asnprintf (NULL, &length, "%LF %d", - Infinityl (), 33, 44, 55);
1806 ASSERT (result != NULL);
1807 ASSERT (strcmp (result, "-INF 33") == 0
1808 || strcmp (result, "-INFINITY 33") == 0);
1809 ASSERT (length == strlen (result));
1816 my_asnprintf (NULL, &length, "%LF %d", NaNl (), 33, 44, 55);
1817 ASSERT (result != NULL);
1818 ASSERT (strlen (result) >= 3 + 3
1819 && strisnan (result, 0, strlen (result) - 3, 1)
1820 && strcmp (result + strlen (result) - 3, " 33") == 0);
1821 ASSERT (length == strlen (result));
1828 my_asnprintf (NULL, &length, "%015LF %d", 1234.0L, 33, 44, 55);
1829 ASSERT (result != NULL);
1830 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1831 ASSERT (length == strlen (result));
1835 { /* FLAG_ZERO with infinite number. */
1838 my_asnprintf (NULL, &length, "%015LF %d", - Infinityl (), 33, 44, 55);
1839 ASSERT (result != NULL);
1840 ASSERT (strcmp (result, " -INF 33") == 0
1841 || strcmp (result, " -INFINITY 33") == 0);
1842 ASSERT (length == strlen (result));
1849 my_asnprintf (NULL, &length, "%.LF %d", 1234.0L, 33, 44, 55);
1850 ASSERT (result != NULL);
1851 ASSERT (strcmp (result, "1234 33") == 0);
1852 ASSERT (length == strlen (result));
1856 { /* Precision with no rounding. */
1859 my_asnprintf (NULL, &length, "%.2LF %d", 999.951L, 33, 44, 55);
1860 ASSERT (result != NULL);
1861 ASSERT (strcmp (result, "999.95 33") == 0);
1862 ASSERT (length == strlen (result));
1866 { /* Precision with rounding. */
1869 my_asnprintf (NULL, &length, "%.2LF %d", 999.996L, 33, 44, 55);
1870 ASSERT (result != NULL);
1871 ASSERT (strcmp (result, "1000.00 33") == 0);
1872 ASSERT (length == strlen (result));
1876 /* Test the support of the %e format directive. */
1878 { /* A positive number. */
1881 my_asnprintf (NULL, &length, "%e %d", 12.75, 33, 44, 55);
1882 ASSERT (result != NULL);
1883 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1884 || strcmp (result, "1.275000e+001 33") == 0);
1885 ASSERT (length == strlen (result));
1889 { /* A larger positive number. */
1892 my_asnprintf (NULL, &length, "%e %d", 1234567.0, 33, 44, 55);
1893 ASSERT (result != NULL);
1894 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1895 || strcmp (result, "1.234567e+006 33") == 0);
1896 ASSERT (length == strlen (result));
1900 { /* Small and large positive numbers. */
1901 static struct { double value; const char *string; } data[] =
1903 { 1.234321234321234e-37, "1.234321e-37" },
1904 { 1.234321234321234e-36, "1.234321e-36" },
1905 { 1.234321234321234e-35, "1.234321e-35" },
1906 { 1.234321234321234e-34, "1.234321e-34" },
1907 { 1.234321234321234e-33, "1.234321e-33" },
1908 { 1.234321234321234e-32, "1.234321e-32" },
1909 { 1.234321234321234e-31, "1.234321e-31" },
1910 { 1.234321234321234e-30, "1.234321e-30" },
1911 { 1.234321234321234e-29, "1.234321e-29" },
1912 { 1.234321234321234e-28, "1.234321e-28" },
1913 { 1.234321234321234e-27, "1.234321e-27" },
1914 { 1.234321234321234e-26, "1.234321e-26" },
1915 { 1.234321234321234e-25, "1.234321e-25" },
1916 { 1.234321234321234e-24, "1.234321e-24" },
1917 { 1.234321234321234e-23, "1.234321e-23" },
1918 { 1.234321234321234e-22, "1.234321e-22" },
1919 { 1.234321234321234e-21, "1.234321e-21" },
1920 { 1.234321234321234e-20, "1.234321e-20" },
1921 { 1.234321234321234e-19, "1.234321e-19" },
1922 { 1.234321234321234e-18, "1.234321e-18" },
1923 { 1.234321234321234e-17, "1.234321e-17" },
1924 { 1.234321234321234e-16, "1.234321e-16" },
1925 { 1.234321234321234e-15, "1.234321e-15" },
1926 { 1.234321234321234e-14, "1.234321e-14" },
1927 { 1.234321234321234e-13, "1.234321e-13" },
1928 { 1.234321234321234e-12, "1.234321e-12" },
1929 { 1.234321234321234e-11, "1.234321e-11" },
1930 { 1.234321234321234e-10, "1.234321e-10" },
1931 { 1.234321234321234e-9, "1.234321e-09" },
1932 { 1.234321234321234e-8, "1.234321e-08" },
1933 { 1.234321234321234e-7, "1.234321e-07" },
1934 { 1.234321234321234e-6, "1.234321e-06" },
1935 { 1.234321234321234e-5, "1.234321e-05" },
1936 { 1.234321234321234e-4, "1.234321e-04" },
1937 { 1.234321234321234e-3, "1.234321e-03" },
1938 { 1.234321234321234e-2, "1.234321e-02" },
1939 { 1.234321234321234e-1, "1.234321e-01" },
1940 { 1.234321234321234, "1.234321e+00" },
1941 { 1.234321234321234e1, "1.234321e+01" },
1942 { 1.234321234321234e2, "1.234321e+02" },
1943 { 1.234321234321234e3, "1.234321e+03" },
1944 { 1.234321234321234e4, "1.234321e+04" },
1945 { 1.234321234321234e5, "1.234321e+05" },
1946 { 1.234321234321234e6, "1.234321e+06" },
1947 { 1.234321234321234e7, "1.234321e+07" },
1948 { 1.234321234321234e8, "1.234321e+08" },
1949 { 1.234321234321234e9, "1.234321e+09" },
1950 { 1.234321234321234e10, "1.234321e+10" },
1951 { 1.234321234321234e11, "1.234321e+11" },
1952 { 1.234321234321234e12, "1.234321e+12" },
1953 { 1.234321234321234e13, "1.234321e+13" },
1954 { 1.234321234321234e14, "1.234321e+14" },
1955 { 1.234321234321234e15, "1.234321e+15" },
1956 { 1.234321234321234e16, "1.234321e+16" },
1957 { 1.234321234321234e17, "1.234321e+17" },
1958 { 1.234321234321234e18, "1.234321e+18" },
1959 { 1.234321234321234e19, "1.234321e+19" },
1960 { 1.234321234321234e20, "1.234321e+20" },
1961 { 1.234321234321234e21, "1.234321e+21" },
1962 { 1.234321234321234e22, "1.234321e+22" },
1963 { 1.234321234321234e23, "1.234321e+23" },
1964 { 1.234321234321234e24, "1.234321e+24" },
1965 { 1.234321234321234e25, "1.234321e+25" },
1966 { 1.234321234321234e26, "1.234321e+26" },
1967 { 1.234321234321234e27, "1.234321e+27" },
1968 { 1.234321234321234e28, "1.234321e+28" },
1969 { 1.234321234321234e29, "1.234321e+29" },
1970 { 1.234321234321234e30, "1.234321e+30" },
1971 { 1.234321234321234e31, "1.234321e+31" },
1972 { 1.234321234321234e32, "1.234321e+32" },
1973 { 1.234321234321234e33, "1.234321e+33" },
1974 { 1.234321234321234e34, "1.234321e+34" },
1975 { 1.234321234321234e35, "1.234321e+35" },
1976 { 1.234321234321234e36, "1.234321e+36" }
1979 for (k = 0; k < SIZEOF (data); k++)
1983 my_asnprintf (NULL, &length, "%e", data[k].value);
1984 const char *expected = data[k].string;
1985 ASSERT (result != NULL);
1986 ASSERT (strcmp (result, expected) == 0
1987 /* Some implementations produce exponents with 3 digits. */
1988 || (strlen (result) == strlen (expected) + 1
1989 && memcmp (result, expected, strlen (expected) - 2) == 0
1990 && result[strlen (expected) - 2] == '0'
1991 && strcmp (result + strlen (expected) - 1,
1992 expected + strlen (expected) - 2)
1994 ASSERT (length == strlen (result));
1999 { /* A negative number. */
2002 my_asnprintf (NULL, &length, "%e %d", -0.03125, 33, 44, 55);
2003 ASSERT (result != NULL);
2004 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
2005 || strcmp (result, "-3.125000e-002 33") == 0);
2006 ASSERT (length == strlen (result));
2010 { /* Positive zero. */
2013 my_asnprintf (NULL, &length, "%e %d", 0.0, 33, 44, 55);
2014 ASSERT (result != NULL);
2015 ASSERT (strcmp (result, "0.000000e+00 33") == 0
2016 || strcmp (result, "0.000000e+000 33") == 0);
2017 ASSERT (length == strlen (result));
2021 { /* Negative zero. */
2024 my_asnprintf (NULL, &length, "%e %d", minus_zerod, 33, 44, 55);
2025 ASSERT (result != NULL);
2026 if (have_minus_zero ())
2027 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
2028 || strcmp (result, "-0.000000e+000 33") == 0);
2029 ASSERT (length == strlen (result));
2033 { /* Positive infinity. */
2036 my_asnprintf (NULL, &length, "%e %d", Infinityd (), 33, 44, 55);
2037 ASSERT (result != NULL);
2038 ASSERT (strcmp (result, "inf 33") == 0
2039 || strcmp (result, "infinity 33") == 0);
2040 ASSERT (length == strlen (result));
2044 { /* Negative infinity. */
2047 my_asnprintf (NULL, &length, "%e %d", - Infinityd (), 33, 44, 55);
2048 ASSERT (result != NULL);
2049 ASSERT (strcmp (result, "-inf 33") == 0
2050 || strcmp (result, "-infinity 33") == 0);
2051 ASSERT (length == strlen (result));
2058 my_asnprintf (NULL, &length, "%e %d", NaNd (), 33, 44, 55);
2059 ASSERT (result != NULL);
2060 ASSERT (strlen (result) >= 3 + 3
2061 && strisnan (result, 0, strlen (result) - 3, 0)
2062 && strcmp (result + strlen (result) - 3, " 33") == 0);
2063 ASSERT (length == strlen (result));
2070 my_asnprintf (NULL, &length, "%15e %d", 1.75, 33, 44, 55);
2071 ASSERT (result != NULL);
2072 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2073 || strcmp (result, " 1.750000e+000 33") == 0);
2074 ASSERT (length == strlen (result));
2081 my_asnprintf (NULL, &length, "%-15e %d", 1.75, 33, 44, 55);
2082 ASSERT (result != NULL);
2083 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2084 || strcmp (result, "1.750000e+000 33") == 0);
2085 ASSERT (length == strlen (result));
2089 { /* FLAG_SHOWSIGN. */
2092 my_asnprintf (NULL, &length, "%+e %d", 1.75, 33, 44, 55);
2093 ASSERT (result != NULL);
2094 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
2095 || strcmp (result, "+1.750000e+000 33") == 0);
2096 ASSERT (length == strlen (result));
2103 my_asnprintf (NULL, &length, "% e %d", 1.75, 33, 44, 55);
2104 ASSERT (result != NULL);
2105 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2106 || strcmp (result, " 1.750000e+000 33") == 0);
2107 ASSERT (length == strlen (result));
2114 my_asnprintf (NULL, &length, "%#e %d", 1.75, 33, 44, 55);
2115 ASSERT (result != NULL);
2116 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2117 || strcmp (result, "1.750000e+000 33") == 0);
2118 ASSERT (length == strlen (result));
2125 my_asnprintf (NULL, &length, "%#.e %d", 1.75, 33, 44, 55);
2126 ASSERT (result != NULL);
2127 ASSERT (strcmp (result, "2.e+00 33") == 0
2128 || strcmp (result, "2.e+000 33") == 0);
2129 ASSERT (length == strlen (result));
2136 my_asnprintf (NULL, &length, "%#.e %d", 9.75, 33, 44, 55);
2137 ASSERT (result != NULL);
2138 ASSERT (strcmp (result, "1.e+01 33") == 0
2139 || strcmp (result, "1.e+001 33") == 0);
2140 ASSERT (length == strlen (result));
2144 { /* FLAG_ZERO with finite number. */
2147 my_asnprintf (NULL, &length, "%015e %d", 1234.0, 33, 44, 55);
2148 ASSERT (result != NULL);
2149 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
2150 || strcmp (result, "001.234000e+003 33") == 0);
2151 ASSERT (length == strlen (result));
2155 { /* FLAG_ZERO with infinite number. */
2158 my_asnprintf (NULL, &length, "%015e %d", - Infinityd (), 33, 44, 55);
2159 ASSERT (result != NULL);
2160 ASSERT (strcmp (result, " -inf 33") == 0
2161 || strcmp (result, " -infinity 33") == 0);
2162 ASSERT (length == strlen (result));
2166 { /* FLAG_ZERO with NaN. */
2169 my_asnprintf (NULL, &length, "%050e %d", NaNd (), 33, 44, 55);
2170 ASSERT (result != NULL);
2171 ASSERT (strlen (result) == 50 + 3
2172 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2173 && strcmp (result + strlen (result) - 3, " 33") == 0);
2174 ASSERT (length == strlen (result));
2181 my_asnprintf (NULL, &length, "%.e %d", 1234.0, 33, 44, 55);
2182 ASSERT (result != NULL);
2183 ASSERT (strcmp (result, "1e+03 33") == 0
2184 || strcmp (result, "1e+003 33") == 0);
2185 ASSERT (length == strlen (result));
2189 { /* Precision with no rounding. */
2192 my_asnprintf (NULL, &length, "%.4e %d", 999.951, 33, 44, 55);
2193 ASSERT (result != NULL);
2194 ASSERT (strcmp (result, "9.9995e+02 33") == 0
2195 || strcmp (result, "9.9995e+002 33") == 0);
2196 ASSERT (length == strlen (result));
2200 { /* Precision with rounding. */
2203 my_asnprintf (NULL, &length, "%.4e %d", 999.996, 33, 44, 55);
2204 ASSERT (result != NULL);
2205 ASSERT (strcmp (result, "1.0000e+03 33") == 0
2206 || strcmp (result, "1.0000e+003 33") == 0);
2207 ASSERT (length == strlen (result));
2211 { /* A positive number. */
2214 my_asnprintf (NULL, &length, "%Le %d", 12.75L, 33, 44, 55);
2215 ASSERT (result != NULL);
2216 ASSERT (strcmp (result, "1.275000e+01 33") == 0
2217 || strcmp (result, "1.275000e+001 33") == 0);
2218 ASSERT (length == strlen (result));
2222 { /* A larger positive number. */
2225 my_asnprintf (NULL, &length, "%Le %d", 1234567.0L, 33, 44, 55);
2226 ASSERT (result != NULL);
2227 ASSERT (strcmp (result, "1.234567e+06 33") == 0
2228 || strcmp (result, "1.234567e+006 33") == 0);
2229 ASSERT (length == strlen (result));
2233 { /* Small and large positive numbers. */
2234 static struct { long double value; const char *string; } data[] =
2236 { 1.234321234321234e-37L, "1.234321e-37" },
2237 { 1.234321234321234e-36L, "1.234321e-36" },
2238 { 1.234321234321234e-35L, "1.234321e-35" },
2239 { 1.234321234321234e-34L, "1.234321e-34" },
2240 { 1.234321234321234e-33L, "1.234321e-33" },
2241 { 1.234321234321234e-32L, "1.234321e-32" },
2242 { 1.234321234321234e-31L, "1.234321e-31" },
2243 { 1.234321234321234e-30L, "1.234321e-30" },
2244 { 1.234321234321234e-29L, "1.234321e-29" },
2245 { 1.234321234321234e-28L, "1.234321e-28" },
2246 { 1.234321234321234e-27L, "1.234321e-27" },
2247 { 1.234321234321234e-26L, "1.234321e-26" },
2248 { 1.234321234321234e-25L, "1.234321e-25" },
2249 { 1.234321234321234e-24L, "1.234321e-24" },
2250 { 1.234321234321234e-23L, "1.234321e-23" },
2251 { 1.234321234321234e-22L, "1.234321e-22" },
2252 { 1.234321234321234e-21L, "1.234321e-21" },
2253 { 1.234321234321234e-20L, "1.234321e-20" },
2254 { 1.234321234321234e-19L, "1.234321e-19" },
2255 { 1.234321234321234e-18L, "1.234321e-18" },
2256 { 1.234321234321234e-17L, "1.234321e-17" },
2257 { 1.234321234321234e-16L, "1.234321e-16" },
2258 { 1.234321234321234e-15L, "1.234321e-15" },
2259 { 1.234321234321234e-14L, "1.234321e-14" },
2260 { 1.234321234321234e-13L, "1.234321e-13" },
2261 { 1.234321234321234e-12L, "1.234321e-12" },
2262 { 1.234321234321234e-11L, "1.234321e-11" },
2263 { 1.234321234321234e-10L, "1.234321e-10" },
2264 { 1.234321234321234e-9L, "1.234321e-09" },
2265 { 1.234321234321234e-8L, "1.234321e-08" },
2266 { 1.234321234321234e-7L, "1.234321e-07" },
2267 { 1.234321234321234e-6L, "1.234321e-06" },
2268 { 1.234321234321234e-5L, "1.234321e-05" },
2269 { 1.234321234321234e-4L, "1.234321e-04" },
2270 { 1.234321234321234e-3L, "1.234321e-03" },
2271 { 1.234321234321234e-2L, "1.234321e-02" },
2272 { 1.234321234321234e-1L, "1.234321e-01" },
2273 { 1.234321234321234L, "1.234321e+00" },
2274 { 1.234321234321234e1L, "1.234321e+01" },
2275 { 1.234321234321234e2L, "1.234321e+02" },
2276 { 1.234321234321234e3L, "1.234321e+03" },
2277 { 1.234321234321234e4L, "1.234321e+04" },
2278 { 1.234321234321234e5L, "1.234321e+05" },
2279 { 1.234321234321234e6L, "1.234321e+06" },
2280 { 1.234321234321234e7L, "1.234321e+07" },
2281 { 1.234321234321234e8L, "1.234321e+08" },
2282 { 1.234321234321234e9L, "1.234321e+09" },
2283 { 1.234321234321234e10L, "1.234321e+10" },
2284 { 1.234321234321234e11L, "1.234321e+11" },
2285 { 1.234321234321234e12L, "1.234321e+12" },
2286 { 1.234321234321234e13L, "1.234321e+13" },
2287 { 1.234321234321234e14L, "1.234321e+14" },
2288 { 1.234321234321234e15L, "1.234321e+15" },
2289 { 1.234321234321234e16L, "1.234321e+16" },
2290 { 1.234321234321234e17L, "1.234321e+17" },
2291 { 1.234321234321234e18L, "1.234321e+18" },
2292 { 1.234321234321234e19L, "1.234321e+19" },
2293 { 1.234321234321234e20L, "1.234321e+20" },
2294 { 1.234321234321234e21L, "1.234321e+21" },
2295 { 1.234321234321234e22L, "1.234321e+22" },
2296 { 1.234321234321234e23L, "1.234321e+23" },
2297 { 1.234321234321234e24L, "1.234321e+24" },
2298 { 1.234321234321234e25L, "1.234321e+25" },
2299 { 1.234321234321234e26L, "1.234321e+26" },
2300 { 1.234321234321234e27L, "1.234321e+27" },
2301 { 1.234321234321234e28L, "1.234321e+28" },
2302 { 1.234321234321234e29L, "1.234321e+29" },
2303 { 1.234321234321234e30L, "1.234321e+30" },
2304 { 1.234321234321234e31L, "1.234321e+31" },
2305 { 1.234321234321234e32L, "1.234321e+32" },
2306 { 1.234321234321234e33L, "1.234321e+33" },
2307 { 1.234321234321234e34L, "1.234321e+34" },
2308 { 1.234321234321234e35L, "1.234321e+35" },
2309 { 1.234321234321234e36L, "1.234321e+36" }
2312 for (k = 0; k < SIZEOF (data); k++)
2316 my_asnprintf (NULL, &length, "%Le", data[k].value);
2317 const char *expected = data[k].string;
2318 ASSERT (result != NULL);
2319 ASSERT (strcmp (result, expected) == 0
2320 /* Some implementations produce exponents with 3 digits. */
2321 || (strlen (result) == strlen (expected) + 1
2322 && memcmp (result, expected, strlen (expected) - 2) == 0
2323 && result[strlen (expected) - 2] == '0'
2324 && strcmp (result + strlen (expected) - 1,
2325 expected + strlen (expected) - 2)
2327 ASSERT (length == strlen (result));
2332 { /* A negative number. */
2335 my_asnprintf (NULL, &length, "%Le %d", -0.03125L, 33, 44, 55);
2336 ASSERT (result != NULL);
2337 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
2338 || strcmp (result, "-3.125000e-002 33") == 0);
2339 ASSERT (length == strlen (result));
2343 { /* Positive zero. */
2346 my_asnprintf (NULL, &length, "%Le %d", 0.0L, 33, 44, 55);
2347 ASSERT (result != NULL);
2348 ASSERT (strcmp (result, "0.000000e+00 33") == 0
2349 || strcmp (result, "0.000000e+000 33") == 0);
2350 ASSERT (length == strlen (result));
2354 { /* Negative zero. */
2357 my_asnprintf (NULL, &length, "%Le %d", minus_zerol, 33, 44, 55);
2358 ASSERT (result != NULL);
2359 if (have_minus_zero ())
2360 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
2361 || strcmp (result, "-0.000000e+000 33") == 0);
2362 ASSERT (length == strlen (result));
2366 { /* Positive infinity. */
2369 my_asnprintf (NULL, &length, "%Le %d", Infinityl (), 33, 44, 55);
2370 ASSERT (result != NULL);
2371 ASSERT (strcmp (result, "inf 33") == 0
2372 || strcmp (result, "infinity 33") == 0);
2373 ASSERT (length == strlen (result));
2377 { /* Negative infinity. */
2380 my_asnprintf (NULL, &length, "%Le %d", - Infinityl (), 33, 44, 55);
2381 ASSERT (result != NULL);
2382 ASSERT (strcmp (result, "-inf 33") == 0
2383 || strcmp (result, "-infinity 33") == 0);
2384 ASSERT (length == strlen (result));
2391 my_asnprintf (NULL, &length, "%Le %d", NaNl (), 33, 44, 55);
2392 ASSERT (result != NULL);
2393 ASSERT (strlen (result) >= 3 + 3
2394 && strisnan (result, 0, strlen (result) - 3, 0)
2395 && strcmp (result + strlen (result) - 3, " 33") == 0);
2396 ASSERT (length == strlen (result));
2399 #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
2401 static union { unsigned int word[4]; long double value; } x =
2402 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2405 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2406 ASSERT (result != NULL);
2407 ASSERT (strlen (result) >= 3 + 3
2408 && strisnan (result, 0, strlen (result) - 3, 0)
2409 && strcmp (result + strlen (result) - 3, " 33") == 0);
2410 ASSERT (length == strlen (result));
2414 /* Signalling NaN. */
2415 static union { unsigned int word[4]; long double value; } x =
2416 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2419 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2420 ASSERT (result != NULL);
2421 ASSERT (strlen (result) >= 3 + 3
2422 && strisnan (result, 0, strlen (result) - 3, 0)
2423 && strcmp (result + strlen (result) - 3, " 33") == 0);
2424 ASSERT (length == strlen (result));
2427 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
2428 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
2429 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
2430 Application Architecture.
2431 Table 5-2 "Floating-Point Register Encodings"
2432 Figure 5-6 "Memory to Floating-Point Register Data Translation"
2435 static union { unsigned int word[4]; long double value; } x =
2436 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2439 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2440 ASSERT (result != NULL);
2441 ASSERT (strlen (result) >= 3 + 3
2442 && strisnan (result, 0, strlen (result) - 3, 0)
2443 && strcmp (result + strlen (result) - 3, " 33") == 0);
2444 ASSERT (length == strlen (result));
2447 { /* Pseudo-Infinity. */
2448 static union { unsigned int word[4]; long double value; } x =
2449 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2452 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2453 ASSERT (result != NULL);
2454 ASSERT (strlen (result) >= 3 + 3
2455 && strisnan (result, 0, strlen (result) - 3, 0)
2456 && strcmp (result + strlen (result) - 3, " 33") == 0);
2457 ASSERT (length == strlen (result));
2460 { /* Pseudo-Zero. */
2461 static union { unsigned int word[4]; long double value; } x =
2462 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2465 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2466 ASSERT (result != NULL);
2467 ASSERT (strlen (result) >= 3 + 3
2468 && strisnan (result, 0, strlen (result) - 3, 0)
2469 && strcmp (result + strlen (result) - 3, " 33") == 0);
2470 ASSERT (length == strlen (result));
2473 { /* Unnormalized number. */
2474 static union { unsigned int word[4]; long double value; } x =
2475 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2478 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2479 ASSERT (result != NULL);
2480 ASSERT (strlen (result) >= 3 + 3
2481 && strisnan (result, 0, strlen (result) - 3, 0)
2482 && strcmp (result + strlen (result) - 3, " 33") == 0);
2483 ASSERT (length == strlen (result));
2486 { /* Pseudo-Denormal. */
2487 static union { unsigned int word[4]; long double value; } x =
2488 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2491 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2492 ASSERT (result != NULL);
2493 ASSERT (strlen (result) >= 3 + 3
2494 && strisnan (result, 0, strlen (result) - 3, 0)
2495 && strcmp (result + strlen (result) - 3, " 33") == 0);
2496 ASSERT (length == strlen (result));
2504 my_asnprintf (NULL, &length, "%15Le %d", 1.75L, 33, 44, 55);
2505 ASSERT (result != NULL);
2506 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2507 || strcmp (result, " 1.750000e+000 33") == 0);
2508 ASSERT (length == strlen (result));
2515 my_asnprintf (NULL, &length, "%-15Le %d", 1.75L, 33, 44, 55);
2516 ASSERT (result != NULL);
2517 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2518 || strcmp (result, "1.750000e+000 33") == 0);
2519 ASSERT (length == strlen (result));
2523 { /* FLAG_SHOWSIGN. */
2526 my_asnprintf (NULL, &length, "%+Le %d", 1.75L, 33, 44, 55);
2527 ASSERT (result != NULL);
2528 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
2529 || strcmp (result, "+1.750000e+000 33") == 0);
2530 ASSERT (length == strlen (result));
2537 my_asnprintf (NULL, &length, "% Le %d", 1.75L, 33, 44, 55);
2538 ASSERT (result != NULL);
2539 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2540 || strcmp (result, " 1.750000e+000 33") == 0);
2541 ASSERT (length == strlen (result));
2548 my_asnprintf (NULL, &length, "%#Le %d", 1.75L, 33, 44, 55);
2549 ASSERT (result != NULL);
2550 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2551 || strcmp (result, "1.750000e+000 33") == 0);
2552 ASSERT (length == strlen (result));
2559 my_asnprintf (NULL, &length, "%#.Le %d", 1.75L, 33, 44, 55);
2560 ASSERT (result != NULL);
2561 ASSERT (strcmp (result, "2.e+00 33") == 0
2562 || strcmp (result, "2.e+000 33") == 0);
2563 ASSERT (length == strlen (result));
2570 my_asnprintf (NULL, &length, "%#.Le %d", 9.75L, 33, 44, 55);
2571 ASSERT (result != NULL);
2572 ASSERT (strcmp (result, "1.e+01 33") == 0
2573 || strcmp (result, "1.e+001 33") == 0);
2574 ASSERT (length == strlen (result));
2578 { /* FLAG_ZERO with finite number. */
2581 my_asnprintf (NULL, &length, "%015Le %d", 1234.0L, 33, 44, 55);
2582 ASSERT (result != NULL);
2583 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
2584 || strcmp (result, "001.234000e+003 33") == 0);
2585 ASSERT (length == strlen (result));
2589 { /* FLAG_ZERO with infinite number. */
2592 my_asnprintf (NULL, &length, "%015Le %d", - Infinityl (), 33, 44, 55);
2593 ASSERT (result != NULL);
2594 ASSERT (strcmp (result, " -inf 33") == 0
2595 || strcmp (result, " -infinity 33") == 0);
2596 ASSERT (length == strlen (result));
2600 { /* FLAG_ZERO with NaN. */
2603 my_asnprintf (NULL, &length, "%050Le %d", NaNl (), 33, 44, 55);
2604 ASSERT (result != NULL);
2605 ASSERT (strlen (result) == 50 + 3
2606 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2607 && strcmp (result + strlen (result) - 3, " 33") == 0);
2608 ASSERT (length == strlen (result));
2615 my_asnprintf (NULL, &length, "%.Le %d", 1234.0L, 33, 44, 55);
2616 ASSERT (result != NULL);
2617 ASSERT (strcmp (result, "1e+03 33") == 0
2618 || strcmp (result, "1e+003 33") == 0);
2619 ASSERT (length == strlen (result));
2623 { /* Precision with no rounding. */
2626 my_asnprintf (NULL, &length, "%.4Le %d", 999.951L, 33, 44, 55);
2627 ASSERT (result != NULL);
2628 ASSERT (strcmp (result, "9.9995e+02 33") == 0
2629 || strcmp (result, "9.9995e+002 33") == 0);
2630 ASSERT (length == strlen (result));
2634 { /* Precision with rounding. */
2637 my_asnprintf (NULL, &length, "%.4Le %d", 999.996L, 33, 44, 55);
2638 ASSERT (result != NULL);
2639 ASSERT (strcmp (result, "1.0000e+03 33") == 0
2640 || strcmp (result, "1.0000e+003 33") == 0);
2641 ASSERT (length == strlen (result));
2645 /* Test the support of the %g format directive. */
2647 { /* A positive number. */
2650 my_asnprintf (NULL, &length, "%g %d", 12.75, 33, 44, 55);
2651 ASSERT (result != NULL);
2652 ASSERT (strcmp (result, "12.75 33") == 0);
2653 ASSERT (length == strlen (result));
2657 { /* A larger positive number. */
2660 my_asnprintf (NULL, &length, "%g %d", 1234567.0, 33, 44, 55);
2661 ASSERT (result != NULL);
2662 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2663 || strcmp (result, "1.23457e+006 33") == 0);
2664 ASSERT (length == strlen (result));
2668 { /* Small and large positive numbers. */
2669 static struct { double value; const char *string; } data[] =
2671 { 1.234321234321234e-37, "1.23432e-37" },
2672 { 1.234321234321234e-36, "1.23432e-36" },
2673 { 1.234321234321234e-35, "1.23432e-35" },
2674 { 1.234321234321234e-34, "1.23432e-34" },
2675 { 1.234321234321234e-33, "1.23432e-33" },
2676 { 1.234321234321234e-32, "1.23432e-32" },
2677 { 1.234321234321234e-31, "1.23432e-31" },
2678 { 1.234321234321234e-30, "1.23432e-30" },
2679 { 1.234321234321234e-29, "1.23432e-29" },
2680 { 1.234321234321234e-28, "1.23432e-28" },
2681 { 1.234321234321234e-27, "1.23432e-27" },
2682 { 1.234321234321234e-26, "1.23432e-26" },
2683 { 1.234321234321234e-25, "1.23432e-25" },
2684 { 1.234321234321234e-24, "1.23432e-24" },
2685 { 1.234321234321234e-23, "1.23432e-23" },
2686 { 1.234321234321234e-22, "1.23432e-22" },
2687 { 1.234321234321234e-21, "1.23432e-21" },
2688 { 1.234321234321234e-20, "1.23432e-20" },
2689 { 1.234321234321234e-19, "1.23432e-19" },
2690 { 1.234321234321234e-18, "1.23432e-18" },
2691 { 1.234321234321234e-17, "1.23432e-17" },
2692 { 1.234321234321234e-16, "1.23432e-16" },
2693 { 1.234321234321234e-15, "1.23432e-15" },
2694 { 1.234321234321234e-14, "1.23432e-14" },
2695 { 1.234321234321234e-13, "1.23432e-13" },
2696 { 1.234321234321234e-12, "1.23432e-12" },
2697 { 1.234321234321234e-11, "1.23432e-11" },
2698 { 1.234321234321234e-10, "1.23432e-10" },
2699 { 1.234321234321234e-9, "1.23432e-09" },
2700 { 1.234321234321234e-8, "1.23432e-08" },
2701 { 1.234321234321234e-7, "1.23432e-07" },
2702 { 1.234321234321234e-6, "1.23432e-06" },
2703 { 1.234321234321234e-5, "1.23432e-05" },
2704 { 1.234321234321234e-4, "0.000123432" },
2705 { 1.234321234321234e-3, "0.00123432" },
2706 { 1.234321234321234e-2, "0.0123432" },
2707 { 1.234321234321234e-1, "0.123432" },
2708 { 1.234321234321234, "1.23432" },
2709 { 1.234321234321234e1, "12.3432" },
2710 { 1.234321234321234e2, "123.432" },
2711 { 1.234321234321234e3, "1234.32" },
2712 { 1.234321234321234e4, "12343.2" },
2713 { 1.234321234321234e5, "123432" },
2714 { 1.234321234321234e6, "1.23432e+06" },
2715 { 1.234321234321234e7, "1.23432e+07" },
2716 { 1.234321234321234e8, "1.23432e+08" },
2717 { 1.234321234321234e9, "1.23432e+09" },
2718 { 1.234321234321234e10, "1.23432e+10" },
2719 { 1.234321234321234e11, "1.23432e+11" },
2720 { 1.234321234321234e12, "1.23432e+12" },
2721 { 1.234321234321234e13, "1.23432e+13" },
2722 { 1.234321234321234e14, "1.23432e+14" },
2723 { 1.234321234321234e15, "1.23432e+15" },
2724 { 1.234321234321234e16, "1.23432e+16" },
2725 { 1.234321234321234e17, "1.23432e+17" },
2726 { 1.234321234321234e18, "1.23432e+18" },
2727 { 1.234321234321234e19, "1.23432e+19" },
2728 { 1.234321234321234e20, "1.23432e+20" },
2729 { 1.234321234321234e21, "1.23432e+21" },
2730 { 1.234321234321234e22, "1.23432e+22" },
2731 { 1.234321234321234e23, "1.23432e+23" },
2732 { 1.234321234321234e24, "1.23432e+24" },
2733 { 1.234321234321234e25, "1.23432e+25" },
2734 { 1.234321234321234e26, "1.23432e+26" },
2735 { 1.234321234321234e27, "1.23432e+27" },
2736 { 1.234321234321234e28, "1.23432e+28" },
2737 { 1.234321234321234e29, "1.23432e+29" },
2738 { 1.234321234321234e30, "1.23432e+30" },
2739 { 1.234321234321234e31, "1.23432e+31" },
2740 { 1.234321234321234e32, "1.23432e+32" },
2741 { 1.234321234321234e33, "1.23432e+33" },
2742 { 1.234321234321234e34, "1.23432e+34" },
2743 { 1.234321234321234e35, "1.23432e+35" },
2744 { 1.234321234321234e36, "1.23432e+36" }
2747 for (k = 0; k < SIZEOF (data); k++)
2751 my_asnprintf (NULL, &length, "%g", data[k].value);
2752 const char *expected = data[k].string;
2753 ASSERT (result != NULL);
2754 ASSERT (strcmp (result, expected) == 0
2755 /* Some implementations produce exponents with 3 digits. */
2756 || (expected[strlen (expected) - 4] == 'e'
2757 && strlen (result) == strlen (expected) + 1
2758 && memcmp (result, expected, strlen (expected) - 2) == 0
2759 && result[strlen (expected) - 2] == '0'
2760 && strcmp (result + strlen (expected) - 1,
2761 expected + strlen (expected) - 2)
2763 ASSERT (length == strlen (result));
2768 { /* A negative number. */
2771 my_asnprintf (NULL, &length, "%g %d", -0.03125, 33, 44, 55);
2772 ASSERT (result != NULL);
2773 ASSERT (strcmp (result, "-0.03125 33") == 0);
2774 ASSERT (length == strlen (result));
2778 { /* Positive zero. */
2781 my_asnprintf (NULL, &length, "%g %d", 0.0, 33, 44, 55);
2782 ASSERT (result != NULL);
2783 ASSERT (strcmp (result, "0 33") == 0);
2784 ASSERT (length == strlen (result));
2788 { /* Negative zero. */
2791 my_asnprintf (NULL, &length, "%g %d", minus_zerod, 33, 44, 55);
2792 ASSERT (result != NULL);
2793 if (have_minus_zero ())
2794 ASSERT (strcmp (result, "-0 33") == 0);
2795 ASSERT (length == strlen (result));
2799 { /* Positive infinity. */
2802 my_asnprintf (NULL, &length, "%g %d", Infinityd (), 33, 44, 55);
2803 ASSERT (result != NULL);
2804 ASSERT (strcmp (result, "inf 33") == 0
2805 || strcmp (result, "infinity 33") == 0);
2806 ASSERT (length == strlen (result));
2810 { /* Negative infinity. */
2813 my_asnprintf (NULL, &length, "%g %d", - Infinityd (), 33, 44, 55);
2814 ASSERT (result != NULL);
2815 ASSERT (strcmp (result, "-inf 33") == 0
2816 || strcmp (result, "-infinity 33") == 0);
2817 ASSERT (length == strlen (result));
2824 my_asnprintf (NULL, &length, "%g %d", NaNd (), 33, 44, 55);
2825 ASSERT (result != NULL);
2826 ASSERT (strlen (result) >= 3 + 3
2827 && strisnan (result, 0, strlen (result) - 3, 0)
2828 && strcmp (result + strlen (result) - 3, " 33") == 0);
2829 ASSERT (length == strlen (result));
2836 my_asnprintf (NULL, &length, "%10g %d", 1.75, 33, 44, 55);
2837 ASSERT (result != NULL);
2838 ASSERT (strcmp (result, " 1.75 33") == 0);
2839 ASSERT (length == strlen (result));
2846 my_asnprintf (NULL, &length, "%-10g %d", 1.75, 33, 44, 55);
2847 ASSERT (result != NULL);
2848 ASSERT (strcmp (result, "1.75 33") == 0);
2849 ASSERT (length == strlen (result));
2853 { /* FLAG_SHOWSIGN. */
2856 my_asnprintf (NULL, &length, "%+g %d", 1.75, 33, 44, 55);
2857 ASSERT (result != NULL);
2858 ASSERT (strcmp (result, "+1.75 33") == 0);
2859 ASSERT (length == strlen (result));
2866 my_asnprintf (NULL, &length, "% g %d", 1.75, 33, 44, 55);
2867 ASSERT (result != NULL);
2868 ASSERT (strcmp (result, " 1.75 33") == 0);
2869 ASSERT (length == strlen (result));
2876 my_asnprintf (NULL, &length, "%#g %d", 1.75, 33, 44, 55);
2877 ASSERT (result != NULL);
2878 ASSERT (strcmp (result, "1.75000 33") == 0);
2879 ASSERT (length == strlen (result));
2886 my_asnprintf (NULL, &length, "%#.g %d", 1.75, 33, 44, 55);
2887 ASSERT (result != NULL);
2888 ASSERT (strcmp (result, "2. 33") == 0);
2889 ASSERT (length == strlen (result));
2896 my_asnprintf (NULL, &length, "%#.g %d", 9.75, 33, 44, 55);
2897 ASSERT (result != NULL);
2898 ASSERT (strcmp (result, "1.e+01 33") == 0
2899 || strcmp (result, "1.e+001 33") == 0);
2900 ASSERT (length == strlen (result));
2904 { /* FLAG_ZERO with finite number. */
2907 my_asnprintf (NULL, &length, "%010g %d", 1234.0, 33, 44, 55);
2908 ASSERT (result != NULL);
2909 ASSERT (strcmp (result, "0000001234 33") == 0);
2910 ASSERT (length == strlen (result));
2914 { /* FLAG_ZERO with infinite number. */
2917 my_asnprintf (NULL, &length, "%015g %d", - Infinityd (), 33, 44, 55);
2918 ASSERT (result != NULL);
2919 ASSERT (strcmp (result, " -inf 33") == 0
2920 || strcmp (result, " -infinity 33") == 0);
2921 ASSERT (length == strlen (result));
2925 { /* FLAG_ZERO with NaN. */
2928 my_asnprintf (NULL, &length, "%050g %d", NaNd (), 33, 44, 55);
2929 ASSERT (result != NULL);
2930 ASSERT (strlen (result) == 50 + 3
2931 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2932 && strcmp (result + strlen (result) - 3, " 33") == 0);
2933 ASSERT (length == strlen (result));
2940 my_asnprintf (NULL, &length, "%.g %d", 1234.0, 33, 44, 55);
2941 ASSERT (result != NULL);
2942 ASSERT (strcmp (result, "1e+03 33") == 0
2943 || strcmp (result, "1e+003 33") == 0);
2944 ASSERT (length == strlen (result));
2948 { /* Precision with no rounding. */
2951 my_asnprintf (NULL, &length, "%.5g %d", 999.951, 33, 44, 55);
2952 ASSERT (result != NULL);
2953 ASSERT (strcmp (result, "999.95 33") == 0);
2954 ASSERT (length == strlen (result));
2958 { /* Precision with rounding. */
2961 my_asnprintf (NULL, &length, "%.5g %d", 999.996, 33, 44, 55);
2962 ASSERT (result != NULL);
2963 ASSERT (strcmp (result, "1000 33") == 0);
2964 ASSERT (length == strlen (result));
2968 { /* A positive number. */
2971 my_asnprintf (NULL, &length, "%Lg %d", 12.75L, 33, 44, 55);
2972 ASSERT (result != NULL);
2973 ASSERT (strcmp (result, "12.75 33") == 0);
2974 ASSERT (length == strlen (result));
2978 { /* A larger positive number. */
2981 my_asnprintf (NULL, &length, "%Lg %d", 1234567.0L, 33, 44, 55);
2982 ASSERT (result != NULL);
2983 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2984 || strcmp (result, "1.23457e+006 33") == 0);
2985 ASSERT (length == strlen (result));
2989 { /* Small and large positive numbers. */
2990 static struct { long double value; const char *string; } data[] =
2992 { 1.234321234321234e-37L, "1.23432e-37" },
2993 { 1.234321234321234e-36L, "1.23432e-36" },
2994 { 1.234321234321234e-35L, "1.23432e-35" },
2995 { 1.234321234321234e-34L, "1.23432e-34" },
2996 { 1.234321234321234e-33L, "1.23432e-33" },
2997 { 1.234321234321234e-32L, "1.23432e-32" },
2998 { 1.234321234321234e-31L, "1.23432e-31" },
2999 { 1.234321234321234e-30L, "1.23432e-30" },
3000 { 1.234321234321234e-29L, "1.23432e-29" },
3001 { 1.234321234321234e-28L, "1.23432e-28" },
3002 { 1.234321234321234e-27L, "1.23432e-27" },
3003 { 1.234321234321234e-26L, "1.23432e-26" },
3004 { 1.234321234321234e-25L, "1.23432e-25" },
3005 { 1.234321234321234e-24L, "1.23432e-24" },
3006 { 1.234321234321234e-23L, "1.23432e-23" },
3007 { 1.234321234321234e-22L, "1.23432e-22" },
3008 { 1.234321234321234e-21L, "1.23432e-21" },
3009 { 1.234321234321234e-20L, "1.23432e-20" },
3010 { 1.234321234321234e-19L, "1.23432e-19" },
3011 { 1.234321234321234e-18L, "1.23432e-18" },
3012 { 1.234321234321234e-17L, "1.23432e-17" },
3013 { 1.234321234321234e-16L, "1.23432e-16" },
3014 { 1.234321234321234e-15L, "1.23432e-15" },
3015 { 1.234321234321234e-14L, "1.23432e-14" },
3016 { 1.234321234321234e-13L, "1.23432e-13" },
3017 { 1.234321234321234e-12L, "1.23432e-12" },
3018 { 1.234321234321234e-11L, "1.23432e-11" },
3019 { 1.234321234321234e-10L, "1.23432e-10" },
3020 { 1.234321234321234e-9L, "1.23432e-09" },
3021 { 1.234321234321234e-8L, "1.23432e-08" },
3022 { 1.234321234321234e-7L, "1.23432e-07" },
3023 { 1.234321234321234e-6L, "1.23432e-06" },
3024 { 1.234321234321234e-5L, "1.23432e-05" },
3025 { 1.234321234321234e-4L, "0.000123432" },
3026 { 1.234321234321234e-3L, "0.00123432" },
3027 { 1.234321234321234e-2L, "0.0123432" },
3028 { 1.234321234321234e-1L, "0.123432" },
3029 { 1.234321234321234L, "1.23432" },
3030 { 1.234321234321234e1L, "12.3432" },
3031 { 1.234321234321234e2L, "123.432" },
3032 { 1.234321234321234e3L, "1234.32" },
3033 { 1.234321234321234e4L, "12343.2" },
3034 { 1.234321234321234e5L, "123432" },
3035 { 1.234321234321234e6L, "1.23432e+06" },
3036 { 1.234321234321234e7L, "1.23432e+07" },
3037 { 1.234321234321234e8L, "1.23432e+08" },
3038 { 1.234321234321234e9L, "1.23432e+09" },
3039 { 1.234321234321234e10L, "1.23432e+10" },
3040 { 1.234321234321234e11L, "1.23432e+11" },
3041 { 1.234321234321234e12L, "1.23432e+12" },
3042 { 1.234321234321234e13L, "1.23432e+13" },
3043 { 1.234321234321234e14L, "1.23432e+14" },
3044 { 1.234321234321234e15L, "1.23432e+15" },
3045 { 1.234321234321234e16L, "1.23432e+16" },
3046 { 1.234321234321234e17L, "1.23432e+17" },
3047 { 1.234321234321234e18L, "1.23432e+18" },
3048 { 1.234321234321234e19L, "1.23432e+19" },
3049 { 1.234321234321234e20L, "1.23432e+20" },
3050 { 1.234321234321234e21L, "1.23432e+21" },
3051 { 1.234321234321234e22L, "1.23432e+22" },
3052 { 1.234321234321234e23L, "1.23432e+23" },
3053 { 1.234321234321234e24L, "1.23432e+24" },
3054 { 1.234321234321234e25L, "1.23432e+25" },
3055 { 1.234321234321234e26L, "1.23432e+26" },
3056 { 1.234321234321234e27L, "1.23432e+27" },
3057 { 1.234321234321234e28L, "1.23432e+28" },
3058 { 1.234321234321234e29L, "1.23432e+29" },
3059 { 1.234321234321234e30L, "1.23432e+30" },
3060 { 1.234321234321234e31L, "1.23432e+31" },
3061 { 1.234321234321234e32L, "1.23432e+32" },
3062 { 1.234321234321234e33L, "1.23432e+33" },
3063 { 1.234321234321234e34L, "1.23432e+34" },
3064 { 1.234321234321234e35L, "1.23432e+35" },
3065 { 1.234321234321234e36L, "1.23432e+36" }
3068 for (k = 0; k < SIZEOF (data); k++)
3072 my_asnprintf (NULL, &length, "%Lg", data[k].value);
3073 const char *expected = data[k].string;
3074 ASSERT (result != NULL);
3075 ASSERT (strcmp (result, expected) == 0
3076 /* Some implementations produce exponents with 3 digits. */
3077 || (expected[strlen (expected) - 4] == 'e'
3078 && strlen (result) == strlen (expected) + 1
3079 && memcmp (result, expected, strlen (expected) - 2) == 0
3080 && result[strlen (expected) - 2] == '0'
3081 && strcmp (result + strlen (expected) - 1,
3082 expected + strlen (expected) - 2)
3084 ASSERT (length == strlen (result));
3089 { /* A negative number. */
3092 my_asnprintf (NULL, &length, "%Lg %d", -0.03125L, 33, 44, 55);
3093 ASSERT (result != NULL);
3094 ASSERT (strcmp (result, "-0.03125 33") == 0);
3095 ASSERT (length == strlen (result));
3099 { /* Positive zero. */
3102 my_asnprintf (NULL, &length, "%Lg %d", 0.0L, 33, 44, 55);
3103 ASSERT (result != NULL);
3104 ASSERT (strcmp (result, "0 33") == 0);
3105 ASSERT (length == strlen (result));
3109 { /* Negative zero. */
3112 my_asnprintf (NULL, &length, "%Lg %d", minus_zerol, 33, 44, 55);
3113 ASSERT (result != NULL);
3114 if (have_minus_zero ())
3115 ASSERT (strcmp (result, "-0 33") == 0);
3116 ASSERT (length == strlen (result));
3120 { /* Positive infinity. */
3123 my_asnprintf (NULL, &length, "%Lg %d", Infinityl (), 33, 44, 55);
3124 ASSERT (result != NULL);
3125 ASSERT (strcmp (result, "inf 33") == 0
3126 || strcmp (result, "infinity 33") == 0);
3127 ASSERT (length == strlen (result));
3131 { /* Negative infinity. */
3134 my_asnprintf (NULL, &length, "%Lg %d", - Infinityl (), 33, 44, 55);
3135 ASSERT (result != NULL);
3136 ASSERT (strcmp (result, "-inf 33") == 0
3137 || strcmp (result, "-infinity 33") == 0);
3138 ASSERT (length == strlen (result));
3145 my_asnprintf (NULL, &length, "%Lg %d", NaNl (), 33, 44, 55);
3146 ASSERT (result != NULL);
3147 ASSERT (strlen (result) >= 3 + 3
3148 && strisnan (result, 0, strlen (result) - 3, 0)
3149 && strcmp (result + strlen (result) - 3, " 33") == 0);
3150 ASSERT (length == strlen (result));
3153 #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
3155 static union { unsigned int word[4]; long double value; } x =
3156 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
3159 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3160 ASSERT (result != NULL);
3161 ASSERT (strlen (result) >= 3 + 3
3162 && strisnan (result, 0, strlen (result) - 3, 0)
3163 && strcmp (result + strlen (result) - 3, " 33") == 0);
3164 ASSERT (length == strlen (result));
3168 /* Signalling NaN. */
3169 static union { unsigned int word[4]; long double value; } x =
3170 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
3173 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3174 ASSERT (result != NULL);
3175 ASSERT (strlen (result) >= 3 + 3
3176 && strisnan (result, 0, strlen (result) - 3, 0)
3177 && strcmp (result + strlen (result) - 3, " 33") == 0);
3178 ASSERT (length == strlen (result));
3181 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
3182 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
3183 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
3184 Application Architecture.
3185 Table 5-2 "Floating-Point Register Encodings"
3186 Figure 5-6 "Memory to Floating-Point Register Data Translation"
3189 static union { unsigned int word[4]; long double value; } x =
3190 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
3193 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3194 ASSERT (result != NULL);
3195 ASSERT (strlen (result) >= 3 + 3
3196 && strisnan (result, 0, strlen (result) - 3, 0)
3197 && strcmp (result + strlen (result) - 3, " 33") == 0);
3198 ASSERT (length == strlen (result));
3201 { /* Pseudo-Infinity. */
3202 static union { unsigned int word[4]; long double value; } x =
3203 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
3206 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3207 ASSERT (result != NULL);
3208 ASSERT (strlen (result) >= 3 + 3
3209 && strisnan (result, 0, strlen (result) - 3, 0)
3210 && strcmp (result + strlen (result) - 3, " 33") == 0);
3211 ASSERT (length == strlen (result));
3214 { /* Pseudo-Zero. */
3215 static union { unsigned int word[4]; long double value; } x =
3216 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
3219 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3220 ASSERT (result != NULL);
3221 ASSERT (strlen (result) >= 3 + 3
3222 && strisnan (result, 0, strlen (result) - 3, 0)
3223 && strcmp (result + strlen (result) - 3, " 33") == 0);
3224 ASSERT (length == strlen (result));
3227 { /* Unnormalized number. */
3228 static union { unsigned int word[4]; long double value; } x =
3229 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
3232 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3233 ASSERT (result != NULL);
3234 ASSERT (strlen (result) >= 3 + 3
3235 && strisnan (result, 0, strlen (result) - 3, 0)
3236 && strcmp (result + strlen (result) - 3, " 33") == 0);
3237 ASSERT (length == strlen (result));
3240 { /* Pseudo-Denormal. */
3241 static union { unsigned int word[4]; long double value; } x =
3242 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
3245 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3246 ASSERT (result != NULL);
3247 ASSERT (strlen (result) >= 3 + 3
3248 && strisnan (result, 0, strlen (result) - 3, 0)
3249 && strcmp (result + strlen (result) - 3, " 33") == 0);
3250 ASSERT (length == strlen (result));
3258 my_asnprintf (NULL, &length, "%10Lg %d", 1.75L, 33, 44, 55);
3259 ASSERT (result != NULL);
3260 ASSERT (strcmp (result, " 1.75 33") == 0);
3261 ASSERT (length == strlen (result));
3268 my_asnprintf (NULL, &length, "%-10Lg %d", 1.75L, 33, 44, 55);
3269 ASSERT (result != NULL);
3270 ASSERT (strcmp (result, "1.75 33") == 0);
3271 ASSERT (length == strlen (result));
3275 { /* FLAG_SHOWSIGN. */
3278 my_asnprintf (NULL, &length, "%+Lg %d", 1.75L, 33, 44, 55);
3279 ASSERT (result != NULL);
3280 ASSERT (strcmp (result, "+1.75 33") == 0);
3281 ASSERT (length == strlen (result));
3288 my_asnprintf (NULL, &length, "% Lg %d", 1.75L, 33, 44, 55);
3289 ASSERT (result != NULL);
3290 ASSERT (strcmp (result, " 1.75 33") == 0);
3291 ASSERT (length == strlen (result));
3298 my_asnprintf (NULL, &length, "%#Lg %d", 1.75L, 33, 44, 55);
3299 ASSERT (result != NULL);
3300 ASSERT (strcmp (result, "1.75000 33") == 0);
3301 ASSERT (length == strlen (result));
3308 my_asnprintf (NULL, &length, "%#.Lg %d", 1.75L, 33, 44, 55);
3309 ASSERT (result != NULL);
3310 ASSERT (strcmp (result, "2. 33") == 0);
3311 ASSERT (length == strlen (result));
3318 my_asnprintf (NULL, &length, "%#.Lg %d", 9.75L, 33, 44, 55);
3319 ASSERT (result != NULL);
3320 ASSERT (strcmp (result, "1.e+01 33") == 0
3321 || strcmp (result, "1.e+001 33") == 0);
3322 ASSERT (length == strlen (result));
3326 { /* FLAG_ZERO with finite number. */
3329 my_asnprintf (NULL, &length, "%010Lg %d", 1234.0L, 33, 44, 55);
3330 ASSERT (result != NULL);
3331 ASSERT (strcmp (result, "0000001234 33") == 0);
3332 ASSERT (length == strlen (result));
3336 { /* FLAG_ZERO with infinite number. */
3339 my_asnprintf (NULL, &length, "%015Lg %d", - Infinityl (), 33, 44, 55);
3340 ASSERT (result != NULL);
3341 ASSERT (strcmp (result, " -inf 33") == 0
3342 || strcmp (result, " -infinity 33") == 0);
3343 ASSERT (length == strlen (result));
3347 { /* FLAG_ZERO with NaN. */
3350 my_asnprintf (NULL, &length, "%050Lg %d", NaNl (), 33, 44, 55);
3351 ASSERT (result != NULL);
3352 ASSERT (strlen (result) == 50 + 3
3353 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
3354 && strcmp (result + strlen (result) - 3, " 33") == 0);
3355 ASSERT (length == strlen (result));
3362 my_asnprintf (NULL, &length, "%.Lg %d", 1234.0L, 33, 44, 55);
3363 ASSERT (result != NULL);
3364 ASSERT (strcmp (result, "1e+03 33") == 0
3365 || strcmp (result, "1e+003 33") == 0);
3366 ASSERT (length == strlen (result));
3370 { /* Precision with no rounding. */
3373 my_asnprintf (NULL, &length, "%.5Lg %d", 999.951L, 33, 44, 55);
3374 ASSERT (result != NULL);
3375 ASSERT (strcmp (result, "999.95 33") == 0);
3376 ASSERT (length == strlen (result));
3380 { /* Precision with rounding. */
3383 my_asnprintf (NULL, &length, "%.5Lg %d", 999.996L, 33, 44, 55);
3384 ASSERT (result != NULL);
3385 ASSERT (strcmp (result, "1000 33") == 0);
3386 ASSERT (length == strlen (result));
3390 /* Test the support of the %n format directive. */
3396 my_asnprintf (NULL, &length, "%d %n", 123, &count, 33, 44, 55);
3397 ASSERT (result != NULL);
3398 ASSERT (strcmp (result, "123 ") == 0);
3399 ASSERT (length == strlen (result));
3400 ASSERT (count == 4);
3404 /* Test the support of the POSIX/XSI format strings with positions. */
3409 my_asnprintf (NULL, &length, "%2$d %1$d", 33, 55);
3410 ASSERT (result != NULL);
3411 ASSERT (strcmp (result, "55 33") == 0);
3412 ASSERT (length == strlen (result));
3416 /* Test the support of the grouping flag. */
3421 my_asnprintf (NULL, &length, "%'d %d", 1234567, 99);
3422 ASSERT (result != NULL);
3423 ASSERT (result[strlen (result) - 1] == '9');
3424 ASSERT (length == strlen (result));
3428 /* Test the support of the left-adjust flag. */
3433 my_asnprintf (NULL, &length, "a%*sc", -3, "b");
3434 ASSERT (result != NULL);
3435 ASSERT (strcmp (result, "ab c") == 0);
3436 ASSERT (length == strlen (result));
3443 my_asnprintf (NULL, &length, "a%-*sc", 3, "b");
3444 ASSERT (result != NULL);
3445 ASSERT (strcmp (result, "ab c") == 0);
3446 ASSERT (length == strlen (result));
3453 my_asnprintf (NULL, &length, "a%-*sc", -3, "b");
3454 ASSERT (result != NULL);
3455 ASSERT (strcmp (result, "ab c") == 0);
3456 ASSERT (length == strlen (result));
3460 /* Test the support of large precision. */
3465 my_asnprintf (NULL, &length, "%.4000d %d", 1234567, 99);
3467 ASSERT (result != NULL);
3468 for (i = 0; i < 4000 - 7; i++)
3469 ASSERT (result[i] == '0');
3470 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3471 ASSERT (length == strlen (result));
3478 my_asnprintf (NULL, &length, "%.*d %d", 4000, 1234567, 99);
3480 ASSERT (result != NULL);
3481 for (i = 0; i < 4000 - 7; i++)
3482 ASSERT (result[i] == '0');
3483 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3484 ASSERT (length == strlen (result));
3491 my_asnprintf (NULL, &length, "%.4000d %d", -1234567, 99);
3493 ASSERT (result != NULL);
3494 ASSERT (result[0] == '-');
3495 for (i = 0; i < 4000 - 7; i++)
3496 ASSERT (result[1 + i] == '0');
3497 ASSERT (strcmp (result + 1 + 4000 - 7, "1234567 99") == 0);
3498 ASSERT (length == strlen (result));
3505 my_asnprintf (NULL, &length, "%.4000u %d", 1234567, 99);
3507 ASSERT (result != NULL);
3508 for (i = 0; i < 4000 - 7; i++)
3509 ASSERT (result[i] == '0');
3510 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3511 ASSERT (length == strlen (result));
3518 my_asnprintf (NULL, &length, "%.4000o %d", 1234567, 99);
3520 ASSERT (result != NULL);
3521 for (i = 0; i < 4000 - 7; i++)
3522 ASSERT (result[i] == '0');
3523 ASSERT (strcmp (result + 4000 - 7, "4553207 99") == 0);
3524 ASSERT (length == strlen (result));
3531 my_asnprintf (NULL, &length, "%.4000x %d", 1234567, 99);
3533 ASSERT (result != NULL);
3534 for (i = 0; i < 4000 - 6; i++)
3535 ASSERT (result[i] == '0');
3536 ASSERT (strcmp (result + 4000 - 6, "12d687 99") == 0);
3537 ASSERT (length == strlen (result));
3544 my_asnprintf (NULL, &length, "%#.4000x %d", 1234567, 99);
3546 ASSERT (result != NULL);
3547 ASSERT (result[0] == '0');
3548 ASSERT (result[1] == 'x');
3549 for (i = 0; i < 4000 - 6; i++)
3550 ASSERT (result[2 + i] == '0');
3551 ASSERT (strcmp (result + 2 + 4000 - 6, "12d687 99") == 0);
3552 ASSERT (length == strlen (result));
3559 my_asnprintf (NULL, &length, "%.4000f %d", 1.0, 99);
3561 ASSERT (result != NULL);
3562 ASSERT (result[0] == '1');
3563 ASSERT (result[1] == '.');
3564 for (i = 0; i < 4000; i++)
3565 ASSERT (result[2 + i] == '0');
3566 ASSERT (strcmp (result + 2 + 4000, " 99") == 0);
3567 ASSERT (length == strlen (result));
3574 my_asnprintf (NULL, &length, "%.511f %d", 1.0, 99);
3576 ASSERT (result != NULL);
3577 ASSERT (result[0] == '1');
3578 ASSERT (result[1] == '.');
3579 for (i = 0; i < 511; i++)
3580 ASSERT (result[2 + i] == '0');
3581 ASSERT (strcmp (result + 2 + 511, " 99") == 0);
3582 ASSERT (length == strlen (result));
3592 for (i = 0; i < sizeof (input) - 1; i++)
3593 input[i] = 'a' + ((1000000 / (i + 1)) % 26);
3595 result = my_asnprintf (NULL, &length, "%.4000s %d", input, 99);
3596 ASSERT (result != NULL);
3597 ASSERT (memcmp (result, input, 4000) == 0);
3598 ASSERT (strcmp (result + 4000, " 99") == 0);
3599 ASSERT (length == strlen (result));
3603 /* Test the support of the %s format directive. */
3605 /* To verify that these tests succeed, it is necessary to run them under
3606 a tool that checks against invalid memory accesses, such as ElectricFence
3607 or "valgrind --tool=memcheck". */
3611 for (i = 1; i <= 8; i++)
3617 block = (char *) malloc (i);
3618 memcpy (block, "abcdefgh", i);
3619 result = my_asnprintf (NULL, &length, "%.*s", (int) i, block);
3620 ASSERT (result != NULL);
3621 ASSERT (memcmp (result, block, i) == 0);
3622 ASSERT (result[i] == '\0');
3623 ASSERT (length == strlen (result));
3632 for (i = 1; i <= 8; i++)
3639 block = (wchar_t *) malloc (i * sizeof (wchar_t));
3640 for (j = 0; j < i; j++)
3641 block[j] = "abcdefgh"[j];
3642 result = my_asnprintf (NULL, &length, "%.*ls", (int) i, block);
3643 ASSERT (result != NULL);
3644 ASSERT (memcmp (result, "abcdefgh", i) == 0);
3645 ASSERT (result[i] == '\0');
3646 ASSERT (length == strlen (result));
3654 /* Test that converting an invalid wchar_t[] to char[] fails with EILSEQ. */
3656 static const wchar_t input[] = { (wchar_t) 1702057263, 114, 0 };
3658 char *result = my_asnprintf (NULL, &length, "%ls %d", input, 99);
3660 ASSERT (errno == EILSEQ);
3665 static const wchar_t input[] = { (wchar_t) 1702057263, 114, 0 };
3667 char *result = my_asnprintf (NULL, &length, "%3ls %d", input, 99);
3669 ASSERT (errno == EILSEQ);
3674 static const wchar_t input[] = { (wchar_t) 1702057263, 114, 0 };
3676 char *result = my_asnprintf (NULL, &length, "%.1ls %d", input, 99);
3678 ASSERT (errno == EILSEQ);
3683 static const wchar_t input[] = { (wchar_t) 1702057263, 114, 0 };
3685 char *result = my_asnprintf (NULL, &length, "%3.1ls %d", input, 99);
3687 ASSERT (errno == EILSEQ);
3693 #if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2)) && !defined __UCLIBC__
3694 /* Test that the 'I' flag is supported. */
3698 my_asnprintf (NULL, &length, "%Id %d", 1234567, 99);
3699 ASSERT (result != NULL);
3700 ASSERT (strcmp (result, "1234567 99") == 0);
3701 ASSERT (length == strlen (result));
3708 my_asnprintf (char *resultbuf, size_t *lengthp, const char *format, ...)
3713 va_start (args, format);
3714 ret = vasnprintf (resultbuf, lengthp, format, args);
3722 test_function (my_asnprintf);
3728 test_function (asnprintf);
3732 main (int argc, char *argv[])