1 /* Test of POSIX compatible vasnprintf() and asnprintf() functions.
2 Copyright (C) 2007-2010 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"
34 /* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0. */
38 static double plus_zero = 0.0;
39 double minus_zero = - plus_zero;
40 return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0;
43 /* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0.
44 So we use -zerod instead. */
47 /* On HP-UX 10.20, negating 0.0L does not yield -0.0L.
48 So we use minus_zerol instead.
49 IRIX cc can't put -0.0L into .data, but can compute at runtime.
50 Note that the expression -LDBL_MIN * LDBL_MIN does not work on other
51 platforms, such as when cross-compiling to PowerPC on MacOS X 10.5. */
52 #if defined __hpux || defined __sgi
54 compute_minus_zerol (void)
56 return -LDBL_MIN * LDBL_MIN;
58 # define minus_zerol compute_minus_zerol ()
60 long double minus_zerol = -0.0L;
63 /* Representation of an 80-bit 'long double' as an initializer for a sequence
64 of 'unsigned int' words. */
65 #ifdef WORDS_BIGENDIAN
66 # define LDBL80_WORDS(exponent,manthi,mantlo) \
67 { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \
68 ((unsigned int) (manthi) << 16) | (unsigned int) (mantlo) >> 16), \
69 (unsigned int) (mantlo) << 16 \
72 # define LDBL80_WORDS(exponent,manthi,mantlo) \
73 { mantlo, manthi, exponent }
77 strmatch (const char *pattern, const char *string)
79 if (strlen (pattern) != strlen (string))
81 for (; *pattern != '\0'; pattern++, string++)
82 if (*pattern != '*' && *string != *pattern)
87 /* Test whether string[start_index..end_index-1] is a valid textual
88 representation of NaN. */
90 strisnan (const char *string, size_t start_index, size_t end_index, int uppercase)
92 if (start_index < end_index)
94 if (string[start_index] == '-')
96 if (start_index + 3 <= end_index
97 && memcmp (string + start_index, uppercase ? "NAN" : "nan", 3) == 0)
100 if (start_index == end_index
101 || (string[start_index] == '(' && string[end_index - 1] == ')'))
109 test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
114 /* Test return value convention. */
116 for (size = 0; size <= 8; size++)
118 size_t length = size;
119 char *result = my_asnprintf (NULL, &length, "%d", 12345);
120 ASSERT (result != NULL);
121 ASSERT (strcmp (result, "12345") == 0);
122 ASSERT (length == 5);
126 for (size = 0; size <= 8; size++)
131 memcpy (buf, "DEADBEEF", 8);
133 result = my_asnprintf (buf, &length, "%d", 12345);
134 ASSERT (result != NULL);
135 ASSERT (strcmp (result, "12345") == 0);
136 ASSERT (length == 5);
138 ASSERT (result != buf);
139 ASSERT (memcmp (buf + size, "DEADBEEF" + size, 8 - size) == 0);
144 /* Test support of size specifiers as in C99. */
149 my_asnprintf (NULL, &length, "%ju %d", (uintmax_t) 12345671, 33, 44, 55);
150 ASSERT (result != NULL);
151 ASSERT (strcmp (result, "12345671 33") == 0);
152 ASSERT (length == strlen (result));
159 my_asnprintf (NULL, &length, "%zu %d", (size_t) 12345672, 33, 44, 55);
160 ASSERT (result != NULL);
161 ASSERT (strcmp (result, "12345672 33") == 0);
162 ASSERT (length == strlen (result));
169 my_asnprintf (NULL, &length, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55);
170 ASSERT (result != NULL);
171 ASSERT (strcmp (result, "12345673 33") == 0);
172 ASSERT (length == strlen (result));
179 my_asnprintf (NULL, &length, "%Lg %d", (long double) 1.5, 33, 44, 55);
180 ASSERT (result != NULL);
181 ASSERT (strcmp (result, "1.5 33") == 0);
182 ASSERT (length == strlen (result));
186 /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
187 output of floating-point numbers. */
189 { /* A positive number. */
192 my_asnprintf (NULL, &length, "%a %d", 3.1416015625, 33, 44, 55);
193 ASSERT (result != NULL);
194 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
195 || strcmp (result, "0x3.244p+0 33") == 0
196 || strcmp (result, "0x6.488p-1 33") == 0
197 || strcmp (result, "0xc.91p-2 33") == 0);
198 ASSERT (length == strlen (result));
202 { /* A negative number. */
205 my_asnprintf (NULL, &length, "%A %d", -3.1416015625, 33, 44, 55);
206 ASSERT (result != NULL);
207 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
208 || strcmp (result, "-0X3.244P+0 33") == 0
209 || strcmp (result, "-0X6.488P-1 33") == 0
210 || strcmp (result, "-0XC.91P-2 33") == 0);
211 ASSERT (length == strlen (result));
215 { /* Positive zero. */
218 my_asnprintf (NULL, &length, "%a %d", 0.0, 33, 44, 55);
219 ASSERT (result != NULL);
220 ASSERT (strcmp (result, "0x0p+0 33") == 0);
221 ASSERT (length == strlen (result));
225 { /* Negative zero. */
228 my_asnprintf (NULL, &length, "%a %d", -zerod, 33, 44, 55);
229 ASSERT (result != NULL);
230 if (have_minus_zero ())
231 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
232 ASSERT (length == strlen (result));
236 { /* Positive infinity. */
239 my_asnprintf (NULL, &length, "%a %d", 1.0 / 0.0, 33, 44, 55);
240 ASSERT (result != NULL);
241 ASSERT (strcmp (result, "inf 33") == 0);
242 ASSERT (length == strlen (result));
246 { /* Negative infinity. */
249 my_asnprintf (NULL, &length, "%a %d", -1.0 / 0.0, 33, 44, 55);
250 ASSERT (result != NULL);
251 ASSERT (strcmp (result, "-inf 33") == 0);
252 ASSERT (length == strlen (result));
259 my_asnprintf (NULL, &length, "%a %d", NaNd (), 33, 44, 55);
260 ASSERT (result != NULL);
261 ASSERT (strlen (result) >= 3 + 3
262 && strisnan (result, 0, strlen (result) - 3, 0)
263 && strcmp (result + strlen (result) - 3, " 33") == 0);
264 ASSERT (length == strlen (result));
268 { /* Rounding near the decimal point. */
271 my_asnprintf (NULL, &length, "%.0a %d", 1.5, 33, 44, 55);
272 ASSERT (result != NULL);
273 ASSERT (strcmp (result, "0x2p+0 33") == 0
274 || strcmp (result, "0x3p-1 33") == 0
275 || strcmp (result, "0x6p-2 33") == 0
276 || strcmp (result, "0xcp-3 33") == 0);
277 ASSERT (length == strlen (result));
281 { /* Rounding with precision 0. */
284 my_asnprintf (NULL, &length, "%.0a %d", 1.51, 33, 44, 55);
285 ASSERT (result != NULL);
286 ASSERT (strcmp (result, "0x2p+0 33") == 0
287 || strcmp (result, "0x3p-1 33") == 0
288 || strcmp (result, "0x6p-2 33") == 0
289 || strcmp (result, "0xcp-3 33") == 0);
290 ASSERT (length == strlen (result));
294 { /* Rounding with precision 1. */
297 my_asnprintf (NULL, &length, "%.1a %d", 1.51, 33, 44, 55);
298 ASSERT (result != NULL);
299 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
300 || strcmp (result, "0x3.0p-1 33") == 0
301 || strcmp (result, "0x6.1p-2 33") == 0
302 || strcmp (result, "0xc.1p-3 33") == 0);
303 ASSERT (length == strlen (result));
307 { /* Rounding with precision 2. */
310 my_asnprintf (NULL, &length, "%.2a %d", 1.51, 33, 44, 55);
311 ASSERT (result != NULL);
312 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
313 || strcmp (result, "0x3.05p-1 33") == 0
314 || strcmp (result, "0x6.0ap-2 33") == 0
315 || strcmp (result, "0xc.14p-3 33") == 0);
316 ASSERT (length == strlen (result));
320 { /* Rounding with precision 3. */
323 my_asnprintf (NULL, &length, "%.3a %d", 1.51, 33, 44, 55);
324 ASSERT (result != NULL);
325 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
326 || strcmp (result, "0x3.052p-1 33") == 0
327 || strcmp (result, "0x6.0a4p-2 33") == 0
328 || strcmp (result, "0xc.148p-3 33") == 0);
329 ASSERT (length == strlen (result));
333 { /* Rounding can turn a ...FFF into a ...000. */
336 my_asnprintf (NULL, &length, "%.3a %d", 1.49999, 33, 44, 55);
337 ASSERT (result != NULL);
338 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
339 || strcmp (result, "0x3.000p-1 33") == 0
340 || strcmp (result, "0x6.000p-2 33") == 0
341 || strcmp (result, "0xc.000p-3 33") == 0);
342 ASSERT (length == strlen (result));
346 { /* Rounding can turn a ...FFF into a ...000.
347 This shows a MacOS X 10.3.9 (Darwin 7.9) bug. */
350 my_asnprintf (NULL, &length, "%.1a %d", 1.999, 33, 44, 55);
351 ASSERT (result != NULL);
352 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
353 || strcmp (result, "0x2.0p+0 33") == 0
354 || strcmp (result, "0x4.0p-1 33") == 0
355 || strcmp (result, "0x8.0p-2 33") == 0);
356 ASSERT (length == strlen (result));
363 my_asnprintf (NULL, &length, "%10a %d", 1.75, 33, 44, 55);
364 ASSERT (result != NULL);
365 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
366 || strcmp (result, " 0x3.8p-1 33") == 0
367 || strcmp (result, " 0x7p-2 33") == 0
368 || strcmp (result, " 0xep-3 33") == 0);
369 ASSERT (length == strlen (result));
373 { /* Small precision. */
376 my_asnprintf (NULL, &length, "%.10a %d", 1.75, 33, 44, 55);
377 ASSERT (result != NULL);
378 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
379 || strcmp (result, "0x3.8000000000p-1 33") == 0
380 || strcmp (result, "0x7.0000000000p-2 33") == 0
381 || strcmp (result, "0xe.0000000000p-3 33") == 0);
382 ASSERT (length == strlen (result));
386 { /* Large precision. */
389 my_asnprintf (NULL, &length, "%.50a %d", 1.75, 33, 44, 55);
390 ASSERT (result != NULL);
391 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
392 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
393 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
394 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
395 ASSERT (length == strlen (result));
402 my_asnprintf (NULL, &length, "%-10a %d", 1.75, 33, 44, 55);
403 ASSERT (result != NULL);
404 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
405 || strcmp (result, "0x3.8p-1 33") == 0
406 || strcmp (result, "0x7p-2 33") == 0
407 || strcmp (result, "0xep-3 33") == 0);
408 ASSERT (length == strlen (result));
412 { /* FLAG_SHOWSIGN. */
415 my_asnprintf (NULL, &length, "%+a %d", 1.75, 33, 44, 55);
416 ASSERT (result != NULL);
417 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
418 || strcmp (result, "+0x3.8p-1 33") == 0
419 || strcmp (result, "+0x7p-2 33") == 0
420 || strcmp (result, "+0xep-3 33") == 0);
421 ASSERT (length == strlen (result));
428 my_asnprintf (NULL, &length, "% a %d", 1.75, 33, 44, 55);
429 ASSERT (result != NULL);
430 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
431 || strcmp (result, " 0x3.8p-1 33") == 0
432 || strcmp (result, " 0x7p-2 33") == 0
433 || strcmp (result, " 0xep-3 33") == 0);
434 ASSERT (length == strlen (result));
441 my_asnprintf (NULL, &length, "%#a %d", 1.75, 33, 44, 55);
442 ASSERT (result != NULL);
443 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
444 || strcmp (result, "0x3.8p-1 33") == 0
445 || strcmp (result, "0x7.p-2 33") == 0
446 || strcmp (result, "0xe.p-3 33") == 0);
447 ASSERT (length == strlen (result));
454 my_asnprintf (NULL, &length, "%#a %d", 1.0, 33, 44, 55);
455 ASSERT (result != NULL);
456 ASSERT (strcmp (result, "0x1.p+0 33") == 0
457 || strcmp (result, "0x2.p-1 33") == 0
458 || strcmp (result, "0x4.p-2 33") == 0
459 || strcmp (result, "0x8.p-3 33") == 0);
460 ASSERT (length == strlen (result));
464 { /* FLAG_ZERO with finite number. */
467 my_asnprintf (NULL, &length, "%010a %d", 1.75, 33, 44, 55);
468 ASSERT (result != NULL);
469 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
470 || strcmp (result, "0x003.8p-1 33") == 0
471 || strcmp (result, "0x00007p-2 33") == 0
472 || strcmp (result, "0x0000ep-3 33") == 0);
473 ASSERT (length == strlen (result));
477 { /* FLAG_ZERO with infinite number. */
480 my_asnprintf (NULL, &length, "%010a %d", 1.0 / 0.0, 33, 44, 55);
481 ASSERT (result != NULL);
482 /* "0000000inf 33" is not a valid result; see
483 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
484 ASSERT (strcmp (result, " inf 33") == 0);
485 ASSERT (length == strlen (result));
489 { /* FLAG_ZERO with NaN. */
492 my_asnprintf (NULL, &length, "%050a %d", NaNd (), 33, 44, 55);
493 ASSERT (result != NULL);
494 /* "0000000nan 33" is not a valid result; see
495 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
496 ASSERT (strlen (result) == 50 + 3
497 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
498 && strcmp (result + strlen (result) - 3, " 33") == 0);
499 ASSERT (length == strlen (result));
503 { /* A positive number. */
506 my_asnprintf (NULL, &length, "%La %d", 3.1416015625L, 33, 44, 55);
507 ASSERT (result != NULL);
508 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
509 || strcmp (result, "0x3.244p+0 33") == 0
510 || strcmp (result, "0x6.488p-1 33") == 0
511 || strcmp (result, "0xc.91p-2 33") == 0);
512 ASSERT (length == strlen (result));
516 { /* A negative number. */
519 my_asnprintf (NULL, &length, "%LA %d", -3.1416015625L, 33, 44, 55);
520 ASSERT (result != NULL);
521 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
522 || strcmp (result, "-0X3.244P+0 33") == 0
523 || strcmp (result, "-0X6.488P-1 33") == 0
524 || strcmp (result, "-0XC.91P-2 33") == 0);
525 ASSERT (length == strlen (result));
529 { /* Positive zero. */
532 my_asnprintf (NULL, &length, "%La %d", 0.0L, 33, 44, 55);
533 ASSERT (result != NULL);
534 ASSERT (strcmp (result, "0x0p+0 33") == 0);
535 ASSERT (length == strlen (result));
539 { /* Negative zero. */
542 my_asnprintf (NULL, &length, "%La %d", minus_zerol, 33, 44, 55);
543 ASSERT (result != NULL);
544 if (have_minus_zero ())
545 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
546 ASSERT (length == strlen (result));
550 { /* Positive infinity. */
553 my_asnprintf (NULL, &length, "%La %d", 1.0L / 0.0L, 33, 44, 55);
554 ASSERT (result != NULL);
555 ASSERT (strcmp (result, "inf 33") == 0);
556 ASSERT (length == strlen (result));
560 { /* Negative infinity. */
563 my_asnprintf (NULL, &length, "%La %d", -1.0L / 0.0L, 33, 44, 55);
564 ASSERT (result != NULL);
565 ASSERT (strcmp (result, "-inf 33") == 0);
566 ASSERT (length == strlen (result));
573 my_asnprintf (NULL, &length, "%La %d", NaNl (), 33, 44, 55);
574 ASSERT (result != NULL);
575 ASSERT (strlen (result) >= 3 + 3
576 && strisnan (result, 0, strlen (result) - 3, 0)
577 && strcmp (result + strlen (result) - 3, " 33") == 0);
578 ASSERT (length == strlen (result));
581 #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_))
583 static union { unsigned int word[4]; long double value; } x =
584 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
587 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
588 ASSERT (result != NULL);
589 ASSERT (strlen (result) >= 3 + 3
590 && strisnan (result, 0, strlen (result) - 3, 0)
591 && strcmp (result + strlen (result) - 3, " 33") == 0);
592 ASSERT (length == strlen (result));
596 /* Signalling NaN. */
597 static union { unsigned int word[4]; long double value; } x =
598 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
601 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
602 ASSERT (result != NULL);
603 ASSERT (strlen (result) >= 3 + 3
604 && strisnan (result, 0, strlen (result) - 3, 0)
605 && strcmp (result + strlen (result) - 3, " 33") == 0);
606 ASSERT (length == strlen (result));
609 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
610 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
611 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
612 Application Architecture.
613 Table 5-2 "Floating-Point Register Encodings"
614 Figure 5-6 "Memory to Floating-Point Register Data Translation"
617 static union { unsigned int word[4]; long double value; } x =
618 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
621 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
622 ASSERT (result != NULL);
623 ASSERT (strlen (result) >= 3 + 3
624 && strisnan (result, 0, strlen (result) - 3, 0)
625 && strcmp (result + strlen (result) - 3, " 33") == 0);
626 ASSERT (length == strlen (result));
629 { /* Pseudo-Infinity. */
630 static union { unsigned int word[4]; long double value; } x =
631 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
634 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
635 ASSERT (result != NULL);
636 ASSERT (strlen (result) >= 3 + 3
637 && strisnan (result, 0, strlen (result) - 3, 0)
638 && strcmp (result + strlen (result) - 3, " 33") == 0);
639 ASSERT (length == strlen (result));
643 static union { unsigned int word[4]; long double value; } x =
644 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
647 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
648 ASSERT (result != NULL);
649 ASSERT (strlen (result) >= 3 + 3
650 && strisnan (result, 0, strlen (result) - 3, 0)
651 && strcmp (result + strlen (result) - 3, " 33") == 0);
652 ASSERT (length == strlen (result));
655 { /* Unnormalized number. */
656 static union { unsigned int word[4]; long double value; } x =
657 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
660 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
661 ASSERT (result != NULL);
662 ASSERT (strlen (result) >= 3 + 3
663 && strisnan (result, 0, strlen (result) - 3, 0)
664 && strcmp (result + strlen (result) - 3, " 33") == 0);
665 ASSERT (length == strlen (result));
668 { /* Pseudo-Denormal. */
669 static union { unsigned int word[4]; long double value; } x =
670 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
673 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
674 ASSERT (result != NULL);
675 ASSERT (strlen (result) >= 3 + 3
676 && strisnan (result, 0, strlen (result) - 3, 0)
677 && strcmp (result + strlen (result) - 3, " 33") == 0);
678 ASSERT (length == strlen (result));
683 { /* Rounding near the decimal point. */
686 my_asnprintf (NULL, &length, "%.0La %d", 1.5L, 33, 44, 55);
687 ASSERT (result != NULL);
688 ASSERT (strcmp (result, "0x2p+0 33") == 0
689 || strcmp (result, "0x3p-1 33") == 0
690 || strcmp (result, "0x6p-2 33") == 0
691 || strcmp (result, "0xcp-3 33") == 0);
692 ASSERT (length == strlen (result));
696 { /* Rounding with precision 0. */
699 my_asnprintf (NULL, &length, "%.0La %d", 1.51L, 33, 44, 55);
700 ASSERT (result != NULL);
701 ASSERT (strcmp (result, "0x2p+0 33") == 0
702 || strcmp (result, "0x3p-1 33") == 0
703 || strcmp (result, "0x6p-2 33") == 0
704 || strcmp (result, "0xcp-3 33") == 0);
705 ASSERT (length == strlen (result));
709 { /* Rounding with precision 1. */
712 my_asnprintf (NULL, &length, "%.1La %d", 1.51L, 33, 44, 55);
713 ASSERT (result != NULL);
714 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
715 || strcmp (result, "0x3.0p-1 33") == 0
716 || strcmp (result, "0x6.1p-2 33") == 0
717 || strcmp (result, "0xc.1p-3 33") == 0);
718 ASSERT (length == strlen (result));
722 { /* Rounding with precision 2. */
725 my_asnprintf (NULL, &length, "%.2La %d", 1.51L, 33, 44, 55);
726 ASSERT (result != NULL);
727 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
728 || strcmp (result, "0x3.05p-1 33") == 0
729 || strcmp (result, "0x6.0ap-2 33") == 0
730 || strcmp (result, "0xc.14p-3 33") == 0);
731 ASSERT (length == strlen (result));
735 { /* Rounding with precision 3. */
738 my_asnprintf (NULL, &length, "%.3La %d", 1.51L, 33, 44, 55);
739 ASSERT (result != NULL);
740 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
741 || strcmp (result, "0x3.052p-1 33") == 0
742 || strcmp (result, "0x6.0a4p-2 33") == 0
743 || strcmp (result, "0xc.148p-3 33") == 0);
744 ASSERT (length == strlen (result));
748 { /* Rounding can turn a ...FFF into a ...000. */
751 my_asnprintf (NULL, &length, "%.3La %d", 1.49999L, 33, 44, 55);
752 ASSERT (result != NULL);
753 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
754 || strcmp (result, "0x3.000p-1 33") == 0
755 || strcmp (result, "0x6.000p-2 33") == 0
756 || strcmp (result, "0xc.000p-3 33") == 0);
757 ASSERT (length == strlen (result));
761 { /* Rounding can turn a ...FFF into a ...000.
762 This shows a MacOS X 10.3.9 (Darwin 7.9) bug and a
763 glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
766 my_asnprintf (NULL, &length, "%.1La %d", 1.999L, 33, 44, 55);
767 ASSERT (result != NULL);
768 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
769 || strcmp (result, "0x2.0p+0 33") == 0
770 || strcmp (result, "0x4.0p-1 33") == 0
771 || strcmp (result, "0x8.0p-2 33") == 0);
772 ASSERT (length == strlen (result));
779 my_asnprintf (NULL, &length, "%10La %d", 1.75L, 33, 44, 55);
780 ASSERT (result != NULL);
781 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
782 || strcmp (result, " 0x3.8p-1 33") == 0
783 || strcmp (result, " 0x7p-2 33") == 0
784 || strcmp (result, " 0xep-3 33") == 0);
785 ASSERT (length == strlen (result));
789 { /* Small precision. */
792 my_asnprintf (NULL, &length, "%.10La %d", 1.75L, 33, 44, 55);
793 ASSERT (result != NULL);
794 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
795 || strcmp (result, "0x3.8000000000p-1 33") == 0
796 || strcmp (result, "0x7.0000000000p-2 33") == 0
797 || strcmp (result, "0xe.0000000000p-3 33") == 0);
798 ASSERT (length == strlen (result));
802 { /* Large precision. */
805 my_asnprintf (NULL, &length, "%.50La %d", 1.75L, 33, 44, 55);
806 ASSERT (result != NULL);
807 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
808 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
809 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
810 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
811 ASSERT (length == strlen (result));
818 my_asnprintf (NULL, &length, "%-10La %d", 1.75L, 33, 44, 55);
819 ASSERT (result != NULL);
820 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
821 || strcmp (result, "0x3.8p-1 33") == 0
822 || strcmp (result, "0x7p-2 33") == 0
823 || strcmp (result, "0xep-3 33") == 0);
824 ASSERT (length == strlen (result));
828 { /* FLAG_SHOWSIGN. */
831 my_asnprintf (NULL, &length, "%+La %d", 1.75L, 33, 44, 55);
832 ASSERT (result != NULL);
833 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
834 || strcmp (result, "+0x3.8p-1 33") == 0
835 || strcmp (result, "+0x7p-2 33") == 0
836 || strcmp (result, "+0xep-3 33") == 0);
837 ASSERT (length == strlen (result));
844 my_asnprintf (NULL, &length, "% La %d", 1.75L, 33, 44, 55);
845 ASSERT (result != NULL);
846 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
847 || strcmp (result, " 0x3.8p-1 33") == 0
848 || strcmp (result, " 0x7p-2 33") == 0
849 || strcmp (result, " 0xep-3 33") == 0);
850 ASSERT (length == strlen (result));
857 my_asnprintf (NULL, &length, "%#La %d", 1.75L, 33, 44, 55);
858 ASSERT (result != NULL);
859 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
860 || strcmp (result, "0x3.8p-1 33") == 0
861 || strcmp (result, "0x7.p-2 33") == 0
862 || strcmp (result, "0xe.p-3 33") == 0);
863 ASSERT (length == strlen (result));
870 my_asnprintf (NULL, &length, "%#La %d", 1.0L, 33, 44, 55);
871 ASSERT (result != NULL);
872 ASSERT (strcmp (result, "0x1.p+0 33") == 0
873 || strcmp (result, "0x2.p-1 33") == 0
874 || strcmp (result, "0x4.p-2 33") == 0
875 || strcmp (result, "0x8.p-3 33") == 0);
876 ASSERT (length == strlen (result));
880 { /* FLAG_ZERO with finite number. */
883 my_asnprintf (NULL, &length, "%010La %d", 1.75L, 33, 44, 55);
884 ASSERT (result != NULL);
885 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
886 || strcmp (result, "0x003.8p-1 33") == 0
887 || strcmp (result, "0x00007p-2 33") == 0
888 || strcmp (result, "0x0000ep-3 33") == 0);
889 ASSERT (length == strlen (result));
893 { /* FLAG_ZERO with infinite number. */
896 my_asnprintf (NULL, &length, "%010La %d", 1.0L / 0.0L, 33, 44, 55);
897 ASSERT (result != NULL);
898 /* "0000000inf 33" is not a valid result; see
899 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
900 ASSERT (strcmp (result, " inf 33") == 0);
901 ASSERT (length == strlen (result));
905 { /* FLAG_ZERO with NaN. */
908 my_asnprintf (NULL, &length, "%050La %d", NaNl (), 33, 44, 55);
909 ASSERT (result != NULL);
910 /* "0000000nan 33" is not a valid result; see
911 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
912 ASSERT (strlen (result) == 50 + 3
913 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
914 && strcmp (result + strlen (result) - 3, " 33") == 0);
915 ASSERT (length == strlen (result));
919 /* Test the support of the %f format directive. */
921 { /* A positive number. */
924 my_asnprintf (NULL, &length, "%f %d", 12.75, 33, 44, 55);
925 ASSERT (result != NULL);
926 ASSERT (strcmp (result, "12.750000 33") == 0);
927 ASSERT (length == strlen (result));
931 { /* A larger positive number. */
934 my_asnprintf (NULL, &length, "%f %d", 1234567.0, 33, 44, 55);
935 ASSERT (result != NULL);
936 ASSERT (strcmp (result, "1234567.000000 33") == 0);
937 ASSERT (length == strlen (result));
941 { /* Small and large positive numbers. */
942 static struct { double value; const char *string; } data[] =
944 { 1.234321234321234e-37, "0.000000" },
945 { 1.234321234321234e-36, "0.000000" },
946 { 1.234321234321234e-35, "0.000000" },
947 { 1.234321234321234e-34, "0.000000" },
948 { 1.234321234321234e-33, "0.000000" },
949 { 1.234321234321234e-32, "0.000000" },
950 { 1.234321234321234e-31, "0.000000" },
951 { 1.234321234321234e-30, "0.000000" },
952 { 1.234321234321234e-29, "0.000000" },
953 { 1.234321234321234e-28, "0.000000" },
954 { 1.234321234321234e-27, "0.000000" },
955 { 1.234321234321234e-26, "0.000000" },
956 { 1.234321234321234e-25, "0.000000" },
957 { 1.234321234321234e-24, "0.000000" },
958 { 1.234321234321234e-23, "0.000000" },
959 { 1.234321234321234e-22, "0.000000" },
960 { 1.234321234321234e-21, "0.000000" },
961 { 1.234321234321234e-20, "0.000000" },
962 { 1.234321234321234e-19, "0.000000" },
963 { 1.234321234321234e-18, "0.000000" },
964 { 1.234321234321234e-17, "0.000000" },
965 { 1.234321234321234e-16, "0.000000" },
966 { 1.234321234321234e-15, "0.000000" },
967 { 1.234321234321234e-14, "0.000000" },
968 { 1.234321234321234e-13, "0.000000" },
969 { 1.234321234321234e-12, "0.000000" },
970 { 1.234321234321234e-11, "0.000000" },
971 { 1.234321234321234e-10, "0.000000" },
972 { 1.234321234321234e-9, "0.000000" },
973 { 1.234321234321234e-8, "0.000000" },
974 { 1.234321234321234e-7, "0.000000" },
975 { 1.234321234321234e-6, "0.000001" },
976 { 1.234321234321234e-5, "0.000012" },
977 { 1.234321234321234e-4, "0.000123" },
978 { 1.234321234321234e-3, "0.001234" },
979 { 1.234321234321234e-2, "0.012343" },
980 { 1.234321234321234e-1, "0.123432" },
981 { 1.234321234321234, "1.234321" },
982 { 1.234321234321234e1, "12.343212" },
983 { 1.234321234321234e2, "123.432123" },
984 { 1.234321234321234e3, "1234.321234" },
985 { 1.234321234321234e4, "12343.212343" },
986 { 1.234321234321234e5, "123432.123432" },
987 { 1.234321234321234e6, "1234321.234321" },
988 { 1.234321234321234e7, "12343212.343212" },
989 { 1.234321234321234e8, "123432123.432123" },
990 { 1.234321234321234e9, "1234321234.321234" },
991 { 1.234321234321234e10, "12343212343.2123**" },
992 { 1.234321234321234e11, "123432123432.123***" },
993 { 1.234321234321234e12, "1234321234321.23****" },
994 { 1.234321234321234e13, "12343212343212.3*****" },
995 { 1.234321234321234e14, "123432123432123.******" },
996 { 1.234321234321234e15, "1234321234321234.000000" },
997 { 1.234321234321234e16, "123432123432123**.000000" },
998 { 1.234321234321234e17, "123432123432123***.000000" },
999 { 1.234321234321234e18, "123432123432123****.000000" },
1000 { 1.234321234321234e19, "123432123432123*****.000000" },
1001 { 1.234321234321234e20, "123432123432123******.000000" },
1002 { 1.234321234321234e21, "123432123432123*******.000000" },
1003 { 1.234321234321234e22, "123432123432123********.000000" },
1004 { 1.234321234321234e23, "123432123432123*********.000000" },
1005 { 1.234321234321234e24, "123432123432123**********.000000" },
1006 { 1.234321234321234e25, "123432123432123***********.000000" },
1007 { 1.234321234321234e26, "123432123432123************.000000" },
1008 { 1.234321234321234e27, "123432123432123*************.000000" },
1009 { 1.234321234321234e28, "123432123432123**************.000000" },
1010 { 1.234321234321234e29, "123432123432123***************.000000" },
1011 { 1.234321234321234e30, "123432123432123****************.000000" },
1012 { 1.234321234321234e31, "123432123432123*****************.000000" },
1013 { 1.234321234321234e32, "123432123432123******************.000000" },
1014 { 1.234321234321234e33, "123432123432123*******************.000000" },
1015 { 1.234321234321234e34, "123432123432123********************.000000" },
1016 { 1.234321234321234e35, "123432123432123*********************.000000" },
1017 { 1.234321234321234e36, "123432123432123**********************.000000" }
1020 for (k = 0; k < SIZEOF (data); k++)
1024 my_asnprintf (NULL, &length, "%f", data[k].value);
1025 ASSERT (result != NULL);
1026 ASSERT (strmatch (data[k].string, result));
1027 ASSERT (length == strlen (result));
1032 { /* A negative number. */
1035 my_asnprintf (NULL, &length, "%f %d", -0.03125, 33, 44, 55);
1036 ASSERT (result != NULL);
1037 ASSERT (strcmp (result, "-0.031250 33") == 0);
1038 ASSERT (length == strlen (result));
1042 { /* Positive zero. */
1045 my_asnprintf (NULL, &length, "%f %d", 0.0, 33, 44, 55);
1046 ASSERT (result != NULL);
1047 ASSERT (strcmp (result, "0.000000 33") == 0);
1048 ASSERT (length == strlen (result));
1052 { /* Negative zero. */
1055 my_asnprintf (NULL, &length, "%f %d", -zerod, 33, 44, 55);
1056 ASSERT (result != NULL);
1057 if (have_minus_zero ())
1058 ASSERT (strcmp (result, "-0.000000 33") == 0);
1059 ASSERT (length == strlen (result));
1063 { /* Positive infinity. */
1066 my_asnprintf (NULL, &length, "%f %d", 1.0 / 0.0, 33, 44, 55);
1067 ASSERT (result != NULL);
1068 ASSERT (strcmp (result, "inf 33") == 0
1069 || strcmp (result, "infinity 33") == 0);
1070 ASSERT (length == strlen (result));
1074 { /* Negative infinity. */
1077 my_asnprintf (NULL, &length, "%f %d", -1.0 / 0.0, 33, 44, 55);
1078 ASSERT (result != NULL);
1079 ASSERT (strcmp (result, "-inf 33") == 0
1080 || strcmp (result, "-infinity 33") == 0);
1081 ASSERT (length == strlen (result));
1088 my_asnprintf (NULL, &length, "%f %d", NaNd (), 33, 44, 55);
1089 ASSERT (result != NULL);
1090 ASSERT (strlen (result) >= 3 + 3
1091 && strisnan (result, 0, strlen (result) - 3, 0)
1092 && strcmp (result + strlen (result) - 3, " 33") == 0);
1093 ASSERT (length == strlen (result));
1100 my_asnprintf (NULL, &length, "%10f %d", 1.75, 33, 44, 55);
1101 ASSERT (result != NULL);
1102 ASSERT (strcmp (result, " 1.750000 33") == 0);
1103 ASSERT (length == strlen (result));
1110 my_asnprintf (NULL, &length, "%-10f %d", 1.75, 33, 44, 55);
1111 ASSERT (result != NULL);
1112 ASSERT (strcmp (result, "1.750000 33") == 0);
1113 ASSERT (length == strlen (result));
1117 { /* FLAG_SHOWSIGN. */
1120 my_asnprintf (NULL, &length, "%+f %d", 1.75, 33, 44, 55);
1121 ASSERT (result != NULL);
1122 ASSERT (strcmp (result, "+1.750000 33") == 0);
1123 ASSERT (length == strlen (result));
1130 my_asnprintf (NULL, &length, "% f %d", 1.75, 33, 44, 55);
1131 ASSERT (result != NULL);
1132 ASSERT (strcmp (result, " 1.750000 33") == 0);
1133 ASSERT (length == strlen (result));
1140 my_asnprintf (NULL, &length, "%#f %d", 1.75, 33, 44, 55);
1141 ASSERT (result != NULL);
1142 ASSERT (strcmp (result, "1.750000 33") == 0);
1143 ASSERT (length == strlen (result));
1150 my_asnprintf (NULL, &length, "%#.f %d", 1.75, 33, 44, 55);
1151 ASSERT (result != NULL);
1152 ASSERT (strcmp (result, "2. 33") == 0);
1153 ASSERT (length == strlen (result));
1157 { /* FLAG_ZERO with finite number. */
1160 my_asnprintf (NULL, &length, "%015f %d", 1234.0, 33, 44, 55);
1161 ASSERT (result != NULL);
1162 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1163 ASSERT (length == strlen (result));
1167 { /* FLAG_ZERO with infinite number. */
1170 my_asnprintf (NULL, &length, "%015f %d", -1.0 / 0.0, 33, 44, 55);
1171 ASSERT (result != NULL);
1172 ASSERT (strcmp (result, " -inf 33") == 0
1173 || strcmp (result, " -infinity 33") == 0);
1174 ASSERT (length == strlen (result));
1178 { /* FLAG_ZERO with NaN. */
1181 my_asnprintf (NULL, &length, "%050f %d", NaNd (), 33, 44, 55);
1182 ASSERT (result != NULL);
1183 ASSERT (strlen (result) == 50 + 3
1184 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1185 && strcmp (result + strlen (result) - 3, " 33") == 0);
1186 ASSERT (length == strlen (result));
1193 my_asnprintf (NULL, &length, "%.f %d", 1234.0, 33, 44, 55);
1194 ASSERT (result != NULL);
1195 ASSERT (strcmp (result, "1234 33") == 0);
1196 ASSERT (length == strlen (result));
1200 { /* Precision with no rounding. */
1203 my_asnprintf (NULL, &length, "%.2f %d", 999.951, 33, 44, 55);
1204 ASSERT (result != NULL);
1205 ASSERT (strcmp (result, "999.95 33") == 0);
1206 ASSERT (length == strlen (result));
1210 { /* Precision with rounding. */
1213 my_asnprintf (NULL, &length, "%.2f %d", 999.996, 33, 44, 55);
1214 ASSERT (result != NULL);
1215 ASSERT (strcmp (result, "1000.00 33") == 0);
1216 ASSERT (length == strlen (result));
1220 { /* A positive number. */
1223 my_asnprintf (NULL, &length, "%Lf %d", 12.75L, 33, 44, 55);
1224 ASSERT (result != NULL);
1225 ASSERT (strcmp (result, "12.750000 33") == 0);
1226 ASSERT (length == strlen (result));
1230 { /* A larger positive number. */
1233 my_asnprintf (NULL, &length, "%Lf %d", 1234567.0L, 33, 44, 55);
1234 ASSERT (result != NULL);
1235 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1236 ASSERT (length == strlen (result));
1240 { /* Small and large positive numbers. */
1241 static struct { long double value; const char *string; } data[] =
1243 { 1.234321234321234e-37L, "0.000000" },
1244 { 1.234321234321234e-36L, "0.000000" },
1245 { 1.234321234321234e-35L, "0.000000" },
1246 { 1.234321234321234e-34L, "0.000000" },
1247 { 1.234321234321234e-33L, "0.000000" },
1248 { 1.234321234321234e-32L, "0.000000" },
1249 { 1.234321234321234e-31L, "0.000000" },
1250 { 1.234321234321234e-30L, "0.000000" },
1251 { 1.234321234321234e-29L, "0.000000" },
1252 { 1.234321234321234e-28L, "0.000000" },
1253 { 1.234321234321234e-27L, "0.000000" },
1254 { 1.234321234321234e-26L, "0.000000" },
1255 { 1.234321234321234e-25L, "0.000000" },
1256 { 1.234321234321234e-24L, "0.000000" },
1257 { 1.234321234321234e-23L, "0.000000" },
1258 { 1.234321234321234e-22L, "0.000000" },
1259 { 1.234321234321234e-21L, "0.000000" },
1260 { 1.234321234321234e-20L, "0.000000" },
1261 { 1.234321234321234e-19L, "0.000000" },
1262 { 1.234321234321234e-18L, "0.000000" },
1263 { 1.234321234321234e-17L, "0.000000" },
1264 { 1.234321234321234e-16L, "0.000000" },
1265 { 1.234321234321234e-15L, "0.000000" },
1266 { 1.234321234321234e-14L, "0.000000" },
1267 { 1.234321234321234e-13L, "0.000000" },
1268 { 1.234321234321234e-12L, "0.000000" },
1269 { 1.234321234321234e-11L, "0.000000" },
1270 { 1.234321234321234e-10L, "0.000000" },
1271 { 1.234321234321234e-9L, "0.000000" },
1272 { 1.234321234321234e-8L, "0.000000" },
1273 { 1.234321234321234e-7L, "0.000000" },
1274 { 1.234321234321234e-6L, "0.000001" },
1275 { 1.234321234321234e-5L, "0.000012" },
1276 { 1.234321234321234e-4L, "0.000123" },
1277 { 1.234321234321234e-3L, "0.001234" },
1278 { 1.234321234321234e-2L, "0.012343" },
1279 { 1.234321234321234e-1L, "0.123432" },
1280 { 1.234321234321234L, "1.234321" },
1281 { 1.234321234321234e1L, "12.343212" },
1282 { 1.234321234321234e2L, "123.432123" },
1283 { 1.234321234321234e3L, "1234.321234" },
1284 { 1.234321234321234e4L, "12343.212343" },
1285 { 1.234321234321234e5L, "123432.123432" },
1286 { 1.234321234321234e6L, "1234321.234321" },
1287 { 1.234321234321234e7L, "12343212.343212" },
1288 { 1.234321234321234e8L, "123432123.432123" },
1289 { 1.234321234321234e9L, "1234321234.321234" },
1290 { 1.234321234321234e10L, "12343212343.2123**" },
1291 { 1.234321234321234e11L, "123432123432.123***" },
1292 { 1.234321234321234e12L, "1234321234321.23****" },
1293 { 1.234321234321234e13L, "12343212343212.3*****" },
1294 { 1.234321234321234e14L, "123432123432123.******" },
1295 { 1.234321234321234e15L, "1234321234321234.000000" },
1296 { 1.234321234321234e16L, "123432123432123**.000000" },
1297 { 1.234321234321234e17L, "123432123432123***.000000" },
1298 { 1.234321234321234e18L, "123432123432123****.000000" },
1299 { 1.234321234321234e19L, "123432123432123*****.000000" },
1300 { 1.234321234321234e20L, "123432123432123******.000000" },
1301 { 1.234321234321234e21L, "123432123432123*******.000000" },
1302 { 1.234321234321234e22L, "123432123432123********.000000" },
1303 { 1.234321234321234e23L, "123432123432123*********.000000" },
1304 { 1.234321234321234e24L, "123432123432123**********.000000" },
1305 { 1.234321234321234e25L, "123432123432123***********.000000" },
1306 { 1.234321234321234e26L, "123432123432123************.000000" },
1307 { 1.234321234321234e27L, "123432123432123*************.000000" },
1308 { 1.234321234321234e28L, "123432123432123**************.000000" },
1309 { 1.234321234321234e29L, "123432123432123***************.000000" },
1310 { 1.234321234321234e30L, "123432123432123****************.000000" },
1311 { 1.234321234321234e31L, "123432123432123*****************.000000" },
1312 { 1.234321234321234e32L, "123432123432123******************.000000" },
1313 { 1.234321234321234e33L, "123432123432123*******************.000000" },
1314 { 1.234321234321234e34L, "123432123432123********************.000000" },
1315 { 1.234321234321234e35L, "123432123432123*********************.000000" },
1316 { 1.234321234321234e36L, "123432123432123**********************.000000" }
1319 for (k = 0; k < SIZEOF (data); k++)
1323 my_asnprintf (NULL, &length, "%Lf", data[k].value);
1324 ASSERT (result != NULL);
1325 ASSERT (strmatch (data[k].string, result));
1326 ASSERT (length == strlen (result));
1331 { /* A negative number. */
1334 my_asnprintf (NULL, &length, "%Lf %d", -0.03125L, 33, 44, 55);
1335 ASSERT (result != NULL);
1336 ASSERT (strcmp (result, "-0.031250 33") == 0);
1337 ASSERT (length == strlen (result));
1341 { /* Positive zero. */
1344 my_asnprintf (NULL, &length, "%Lf %d", 0.0L, 33, 44, 55);
1345 ASSERT (result != NULL);
1346 ASSERT (strcmp (result, "0.000000 33") == 0);
1347 ASSERT (length == strlen (result));
1351 { /* Negative zero. */
1354 my_asnprintf (NULL, &length, "%Lf %d", minus_zerol, 33, 44, 55);
1355 ASSERT (result != NULL);
1356 if (have_minus_zero ())
1357 ASSERT (strcmp (result, "-0.000000 33") == 0);
1358 ASSERT (length == strlen (result));
1362 { /* Positive infinity. */
1365 my_asnprintf (NULL, &length, "%Lf %d", 1.0L / 0.0L, 33, 44, 55);
1366 ASSERT (result != NULL);
1367 ASSERT (strcmp (result, "inf 33") == 0
1368 || strcmp (result, "infinity 33") == 0);
1369 ASSERT (length == strlen (result));
1373 { /* Negative infinity. */
1376 my_asnprintf (NULL, &length, "%Lf %d", -1.0L / 0.0L, 33, 44, 55);
1377 ASSERT (result != NULL);
1378 ASSERT (strcmp (result, "-inf 33") == 0
1379 || strcmp (result, "-infinity 33") == 0);
1380 ASSERT (length == strlen (result));
1387 my_asnprintf (NULL, &length, "%Lf %d", NaNl (), 33, 44, 55);
1388 ASSERT (result != NULL);
1389 ASSERT (strlen (result) >= 3 + 3
1390 && strisnan (result, 0, strlen (result) - 3, 0)
1391 && strcmp (result + strlen (result) - 3, " 33") == 0);
1392 ASSERT (length == strlen (result));
1395 #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_))
1397 static union { unsigned int word[4]; long double value; } x =
1398 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
1401 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1402 ASSERT (result != NULL);
1403 ASSERT (strlen (result) >= 3 + 3
1404 && strisnan (result, 0, strlen (result) - 3, 0)
1405 && strcmp (result + strlen (result) - 3, " 33") == 0);
1406 ASSERT (length == strlen (result));
1410 /* Signalling NaN. */
1411 static union { unsigned int word[4]; long double value; } x =
1412 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
1415 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1416 ASSERT (result != NULL);
1417 ASSERT (strlen (result) >= 3 + 3
1418 && strisnan (result, 0, strlen (result) - 3, 0)
1419 && strcmp (result + strlen (result) - 3, " 33") == 0);
1420 ASSERT (length == strlen (result));
1423 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
1424 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
1425 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
1426 Application Architecture.
1427 Table 5-2 "Floating-Point Register Encodings"
1428 Figure 5-6 "Memory to Floating-Point Register Data Translation"
1431 static union { unsigned int word[4]; long double value; } x =
1432 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
1435 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1436 ASSERT (result != NULL);
1437 ASSERT (strlen (result) >= 3 + 3
1438 && strisnan (result, 0, strlen (result) - 3, 0)
1439 && strcmp (result + strlen (result) - 3, " 33") == 0);
1440 ASSERT (length == strlen (result));
1443 { /* Pseudo-Infinity. */
1444 static union { unsigned int word[4]; long double value; } x =
1445 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
1448 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1449 ASSERT (result != NULL);
1450 ASSERT (strlen (result) >= 3 + 3
1451 && strisnan (result, 0, strlen (result) - 3, 0)
1452 && strcmp (result + strlen (result) - 3, " 33") == 0);
1453 ASSERT (length == strlen (result));
1456 { /* Pseudo-Zero. */
1457 static union { unsigned int word[4]; long double value; } x =
1458 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
1461 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1462 ASSERT (result != NULL);
1463 ASSERT (strlen (result) >= 3 + 3
1464 && strisnan (result, 0, strlen (result) - 3, 0)
1465 && strcmp (result + strlen (result) - 3, " 33") == 0);
1466 ASSERT (length == strlen (result));
1469 { /* Unnormalized number. */
1470 static union { unsigned int word[4]; long double value; } x =
1471 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
1474 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1475 ASSERT (result != NULL);
1476 ASSERT (strlen (result) >= 3 + 3
1477 && strisnan (result, 0, strlen (result) - 3, 0)
1478 && strcmp (result + strlen (result) - 3, " 33") == 0);
1479 ASSERT (length == strlen (result));
1482 { /* Pseudo-Denormal. */
1483 static union { unsigned int word[4]; long double value; } x =
1484 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
1487 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1488 ASSERT (result != NULL);
1489 ASSERT (strlen (result) >= 3 + 3
1490 && strisnan (result, 0, strlen (result) - 3, 0)
1491 && strcmp (result + strlen (result) - 3, " 33") == 0);
1492 ASSERT (length == strlen (result));
1500 my_asnprintf (NULL, &length, "%10Lf %d", 1.75L, 33, 44, 55);
1501 ASSERT (result != NULL);
1502 ASSERT (strcmp (result, " 1.750000 33") == 0);
1503 ASSERT (length == strlen (result));
1510 my_asnprintf (NULL, &length, "%-10Lf %d", 1.75L, 33, 44, 55);
1511 ASSERT (result != NULL);
1512 ASSERT (strcmp (result, "1.750000 33") == 0);
1513 ASSERT (length == strlen (result));
1517 { /* FLAG_SHOWSIGN. */
1520 my_asnprintf (NULL, &length, "%+Lf %d", 1.75L, 33, 44, 55);
1521 ASSERT (result != NULL);
1522 ASSERT (strcmp (result, "+1.750000 33") == 0);
1523 ASSERT (length == strlen (result));
1530 my_asnprintf (NULL, &length, "% Lf %d", 1.75L, 33, 44, 55);
1531 ASSERT (result != NULL);
1532 ASSERT (strcmp (result, " 1.750000 33") == 0);
1533 ASSERT (length == strlen (result));
1540 my_asnprintf (NULL, &length, "%#Lf %d", 1.75L, 33, 44, 55);
1541 ASSERT (result != NULL);
1542 ASSERT (strcmp (result, "1.750000 33") == 0);
1543 ASSERT (length == strlen (result));
1550 my_asnprintf (NULL, &length, "%#.Lf %d", 1.75L, 33, 44, 55);
1551 ASSERT (result != NULL);
1552 ASSERT (strcmp (result, "2. 33") == 0);
1553 ASSERT (length == strlen (result));
1557 { /* FLAG_ZERO with finite number. */
1560 my_asnprintf (NULL, &length, "%015Lf %d", 1234.0L, 33, 44, 55);
1561 ASSERT (result != NULL);
1562 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1563 ASSERT (length == strlen (result));
1567 { /* FLAG_ZERO with infinite number. */
1570 my_asnprintf (NULL, &length, "%015Lf %d", -1.0L / 0.0L, 33, 44, 55);
1571 ASSERT (result != NULL);
1572 ASSERT (strcmp (result, " -inf 33") == 0
1573 || strcmp (result, " -infinity 33") == 0);
1574 ASSERT (length == strlen (result));
1578 { /* FLAG_ZERO with NaN. */
1581 my_asnprintf (NULL, &length, "%050Lf %d", NaNl (), 33, 44, 55);
1582 ASSERT (result != NULL);
1583 ASSERT (strlen (result) == 50 + 3
1584 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1585 && strcmp (result + strlen (result) - 3, " 33") == 0);
1586 ASSERT (length == strlen (result));
1593 my_asnprintf (NULL, &length, "%.Lf %d", 1234.0L, 33, 44, 55);
1594 ASSERT (result != NULL);
1595 ASSERT (strcmp (result, "1234 33") == 0);
1596 ASSERT (length == strlen (result));
1600 { /* Precision with no rounding. */
1603 my_asnprintf (NULL, &length, "%.2Lf %d", 999.951L, 33, 44, 55);
1604 ASSERT (result != NULL);
1605 ASSERT (strcmp (result, "999.95 33") == 0);
1606 ASSERT (length == strlen (result));
1610 { /* Precision with rounding. */
1613 my_asnprintf (NULL, &length, "%.2Lf %d", 999.996L, 33, 44, 55);
1614 ASSERT (result != NULL);
1615 ASSERT (strcmp (result, "1000.00 33") == 0);
1616 ASSERT (length == strlen (result));
1620 /* Test the support of the %F format directive. */
1622 { /* A positive number. */
1625 my_asnprintf (NULL, &length, "%F %d", 12.75, 33, 44, 55);
1626 ASSERT (result != NULL);
1627 ASSERT (strcmp (result, "12.750000 33") == 0);
1628 ASSERT (length == strlen (result));
1632 { /* A larger positive number. */
1635 my_asnprintf (NULL, &length, "%F %d", 1234567.0, 33, 44, 55);
1636 ASSERT (result != NULL);
1637 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1638 ASSERT (length == strlen (result));
1642 { /* A negative number. */
1645 my_asnprintf (NULL, &length, "%F %d", -0.03125, 33, 44, 55);
1646 ASSERT (result != NULL);
1647 ASSERT (strcmp (result, "-0.031250 33") == 0);
1648 ASSERT (length == strlen (result));
1652 { /* Positive zero. */
1655 my_asnprintf (NULL, &length, "%F %d", 0.0, 33, 44, 55);
1656 ASSERT (result != NULL);
1657 ASSERT (strcmp (result, "0.000000 33") == 0);
1658 ASSERT (length == strlen (result));
1662 { /* Negative zero. */
1665 my_asnprintf (NULL, &length, "%F %d", -zerod, 33, 44, 55);
1666 ASSERT (result != NULL);
1667 if (have_minus_zero ())
1668 ASSERT (strcmp (result, "-0.000000 33") == 0);
1669 ASSERT (length == strlen (result));
1673 { /* Positive infinity. */
1676 my_asnprintf (NULL, &length, "%F %d", 1.0 / 0.0, 33, 44, 55);
1677 ASSERT (result != NULL);
1678 ASSERT (strcmp (result, "INF 33") == 0
1679 || strcmp (result, "INFINITY 33") == 0);
1680 ASSERT (length == strlen (result));
1684 { /* Negative infinity. */
1687 my_asnprintf (NULL, &length, "%F %d", -1.0 / 0.0, 33, 44, 55);
1688 ASSERT (result != NULL);
1689 ASSERT (strcmp (result, "-INF 33") == 0
1690 || strcmp (result, "-INFINITY 33") == 0);
1691 ASSERT (length == strlen (result));
1698 my_asnprintf (NULL, &length, "%F %d", NaNd (), 33, 44, 55);
1699 ASSERT (result != NULL);
1700 ASSERT (strlen (result) >= 3 + 3
1701 && strisnan (result, 0, strlen (result) - 3, 1)
1702 && strcmp (result + strlen (result) - 3, " 33") == 0);
1703 ASSERT (length == strlen (result));
1710 my_asnprintf (NULL, &length, "%015F %d", 1234.0, 33, 44, 55);
1711 ASSERT (result != NULL);
1712 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1713 ASSERT (length == strlen (result));
1717 { /* FLAG_ZERO with infinite number. */
1720 my_asnprintf (NULL, &length, "%015F %d", -1.0 / 0.0, 33, 44, 55);
1721 ASSERT (result != NULL);
1722 ASSERT (strcmp (result, " -INF 33") == 0
1723 || strcmp (result, " -INFINITY 33") == 0);
1724 ASSERT (length == strlen (result));
1731 my_asnprintf (NULL, &length, "%.F %d", 1234.0, 33, 44, 55);
1732 ASSERT (result != NULL);
1733 ASSERT (strcmp (result, "1234 33") == 0);
1734 ASSERT (length == strlen (result));
1738 { /* Precision with no rounding. */
1741 my_asnprintf (NULL, &length, "%.2F %d", 999.951, 33, 44, 55);
1742 ASSERT (result != NULL);
1743 ASSERT (strcmp (result, "999.95 33") == 0);
1744 ASSERT (length == strlen (result));
1748 { /* Precision with rounding. */
1751 my_asnprintf (NULL, &length, "%.2F %d", 999.996, 33, 44, 55);
1752 ASSERT (result != NULL);
1753 ASSERT (strcmp (result, "1000.00 33") == 0);
1754 ASSERT (length == strlen (result));
1758 { /* A positive number. */
1761 my_asnprintf (NULL, &length, "%LF %d", 12.75L, 33, 44, 55);
1762 ASSERT (result != NULL);
1763 ASSERT (strcmp (result, "12.750000 33") == 0);
1764 ASSERT (length == strlen (result));
1768 { /* A larger positive number. */
1771 my_asnprintf (NULL, &length, "%LF %d", 1234567.0L, 33, 44, 55);
1772 ASSERT (result != NULL);
1773 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1774 ASSERT (length == strlen (result));
1778 { /* A negative number. */
1781 my_asnprintf (NULL, &length, "%LF %d", -0.03125L, 33, 44, 55);
1782 ASSERT (result != NULL);
1783 ASSERT (strcmp (result, "-0.031250 33") == 0);
1784 ASSERT (length == strlen (result));
1788 { /* Positive zero. */
1791 my_asnprintf (NULL, &length, "%LF %d", 0.0L, 33, 44, 55);
1792 ASSERT (result != NULL);
1793 ASSERT (strcmp (result, "0.000000 33") == 0);
1794 ASSERT (length == strlen (result));
1798 { /* Negative zero. */
1801 my_asnprintf (NULL, &length, "%LF %d", minus_zerol, 33, 44, 55);
1802 ASSERT (result != NULL);
1803 if (have_minus_zero ())
1804 ASSERT (strcmp (result, "-0.000000 33") == 0);
1805 ASSERT (length == strlen (result));
1809 { /* Positive infinity. */
1812 my_asnprintf (NULL, &length, "%LF %d", 1.0L / 0.0L, 33, 44, 55);
1813 ASSERT (result != NULL);
1814 ASSERT (strcmp (result, "INF 33") == 0
1815 || strcmp (result, "INFINITY 33") == 0);
1816 ASSERT (length == strlen (result));
1820 { /* Negative infinity. */
1823 my_asnprintf (NULL, &length, "%LF %d", -1.0L / 0.0L, 33, 44, 55);
1824 ASSERT (result != NULL);
1825 ASSERT (strcmp (result, "-INF 33") == 0
1826 || strcmp (result, "-INFINITY 33") == 0);
1827 ASSERT (length == strlen (result));
1834 my_asnprintf (NULL, &length, "%LF %d", NaNl (), 33, 44, 55);
1835 ASSERT (result != NULL);
1836 ASSERT (strlen (result) >= 3 + 3
1837 && strisnan (result, 0, strlen (result) - 3, 1)
1838 && strcmp (result + strlen (result) - 3, " 33") == 0);
1839 ASSERT (length == strlen (result));
1846 my_asnprintf (NULL, &length, "%015LF %d", 1234.0L, 33, 44, 55);
1847 ASSERT (result != NULL);
1848 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1849 ASSERT (length == strlen (result));
1853 { /* FLAG_ZERO with infinite number. */
1856 my_asnprintf (NULL, &length, "%015LF %d", -1.0L / 0.0L, 33, 44, 55);
1857 ASSERT (result != NULL);
1858 ASSERT (strcmp (result, " -INF 33") == 0
1859 || strcmp (result, " -INFINITY 33") == 0);
1860 ASSERT (length == strlen (result));
1867 my_asnprintf (NULL, &length, "%.LF %d", 1234.0L, 33, 44, 55);
1868 ASSERT (result != NULL);
1869 ASSERT (strcmp (result, "1234 33") == 0);
1870 ASSERT (length == strlen (result));
1874 { /* Precision with no rounding. */
1877 my_asnprintf (NULL, &length, "%.2LF %d", 999.951L, 33, 44, 55);
1878 ASSERT (result != NULL);
1879 ASSERT (strcmp (result, "999.95 33") == 0);
1880 ASSERT (length == strlen (result));
1884 { /* Precision with rounding. */
1887 my_asnprintf (NULL, &length, "%.2LF %d", 999.996L, 33, 44, 55);
1888 ASSERT (result != NULL);
1889 ASSERT (strcmp (result, "1000.00 33") == 0);
1890 ASSERT (length == strlen (result));
1894 /* Test the support of the %e format directive. */
1896 { /* A positive number. */
1899 my_asnprintf (NULL, &length, "%e %d", 12.75, 33, 44, 55);
1900 ASSERT (result != NULL);
1901 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1902 || strcmp (result, "1.275000e+001 33") == 0);
1903 ASSERT (length == strlen (result));
1907 { /* A larger positive number. */
1910 my_asnprintf (NULL, &length, "%e %d", 1234567.0, 33, 44, 55);
1911 ASSERT (result != NULL);
1912 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1913 || strcmp (result, "1.234567e+006 33") == 0);
1914 ASSERT (length == strlen (result));
1918 { /* Small and large positive numbers. */
1919 static struct { double value; const char *string; } data[] =
1921 { 1.234321234321234e-37, "1.234321e-37" },
1922 { 1.234321234321234e-36, "1.234321e-36" },
1923 { 1.234321234321234e-35, "1.234321e-35" },
1924 { 1.234321234321234e-34, "1.234321e-34" },
1925 { 1.234321234321234e-33, "1.234321e-33" },
1926 { 1.234321234321234e-32, "1.234321e-32" },
1927 { 1.234321234321234e-31, "1.234321e-31" },
1928 { 1.234321234321234e-30, "1.234321e-30" },
1929 { 1.234321234321234e-29, "1.234321e-29" },
1930 { 1.234321234321234e-28, "1.234321e-28" },
1931 { 1.234321234321234e-27, "1.234321e-27" },
1932 { 1.234321234321234e-26, "1.234321e-26" },
1933 { 1.234321234321234e-25, "1.234321e-25" },
1934 { 1.234321234321234e-24, "1.234321e-24" },
1935 { 1.234321234321234e-23, "1.234321e-23" },
1936 { 1.234321234321234e-22, "1.234321e-22" },
1937 { 1.234321234321234e-21, "1.234321e-21" },
1938 { 1.234321234321234e-20, "1.234321e-20" },
1939 { 1.234321234321234e-19, "1.234321e-19" },
1940 { 1.234321234321234e-18, "1.234321e-18" },
1941 { 1.234321234321234e-17, "1.234321e-17" },
1942 { 1.234321234321234e-16, "1.234321e-16" },
1943 { 1.234321234321234e-15, "1.234321e-15" },
1944 { 1.234321234321234e-14, "1.234321e-14" },
1945 { 1.234321234321234e-13, "1.234321e-13" },
1946 { 1.234321234321234e-12, "1.234321e-12" },
1947 { 1.234321234321234e-11, "1.234321e-11" },
1948 { 1.234321234321234e-10, "1.234321e-10" },
1949 { 1.234321234321234e-9, "1.234321e-09" },
1950 { 1.234321234321234e-8, "1.234321e-08" },
1951 { 1.234321234321234e-7, "1.234321e-07" },
1952 { 1.234321234321234e-6, "1.234321e-06" },
1953 { 1.234321234321234e-5, "1.234321e-05" },
1954 { 1.234321234321234e-4, "1.234321e-04" },
1955 { 1.234321234321234e-3, "1.234321e-03" },
1956 { 1.234321234321234e-2, "1.234321e-02" },
1957 { 1.234321234321234e-1, "1.234321e-01" },
1958 { 1.234321234321234, "1.234321e+00" },
1959 { 1.234321234321234e1, "1.234321e+01" },
1960 { 1.234321234321234e2, "1.234321e+02" },
1961 { 1.234321234321234e3, "1.234321e+03" },
1962 { 1.234321234321234e4, "1.234321e+04" },
1963 { 1.234321234321234e5, "1.234321e+05" },
1964 { 1.234321234321234e6, "1.234321e+06" },
1965 { 1.234321234321234e7, "1.234321e+07" },
1966 { 1.234321234321234e8, "1.234321e+08" },
1967 { 1.234321234321234e9, "1.234321e+09" },
1968 { 1.234321234321234e10, "1.234321e+10" },
1969 { 1.234321234321234e11, "1.234321e+11" },
1970 { 1.234321234321234e12, "1.234321e+12" },
1971 { 1.234321234321234e13, "1.234321e+13" },
1972 { 1.234321234321234e14, "1.234321e+14" },
1973 { 1.234321234321234e15, "1.234321e+15" },
1974 { 1.234321234321234e16, "1.234321e+16" },
1975 { 1.234321234321234e17, "1.234321e+17" },
1976 { 1.234321234321234e18, "1.234321e+18" },
1977 { 1.234321234321234e19, "1.234321e+19" },
1978 { 1.234321234321234e20, "1.234321e+20" },
1979 { 1.234321234321234e21, "1.234321e+21" },
1980 { 1.234321234321234e22, "1.234321e+22" },
1981 { 1.234321234321234e23, "1.234321e+23" },
1982 { 1.234321234321234e24, "1.234321e+24" },
1983 { 1.234321234321234e25, "1.234321e+25" },
1984 { 1.234321234321234e26, "1.234321e+26" },
1985 { 1.234321234321234e27, "1.234321e+27" },
1986 { 1.234321234321234e28, "1.234321e+28" },
1987 { 1.234321234321234e29, "1.234321e+29" },
1988 { 1.234321234321234e30, "1.234321e+30" },
1989 { 1.234321234321234e31, "1.234321e+31" },
1990 { 1.234321234321234e32, "1.234321e+32" },
1991 { 1.234321234321234e33, "1.234321e+33" },
1992 { 1.234321234321234e34, "1.234321e+34" },
1993 { 1.234321234321234e35, "1.234321e+35" },
1994 { 1.234321234321234e36, "1.234321e+36" }
1997 for (k = 0; k < SIZEOF (data); k++)
2001 my_asnprintf (NULL, &length, "%e", data[k].value);
2002 const char *expected = data[k].string;
2003 ASSERT (result != NULL);
2004 ASSERT (strcmp (result, expected) == 0
2005 /* Some implementations produce exponents with 3 digits. */
2006 || (strlen (result) == strlen (expected) + 1
2007 && memcmp (result, expected, strlen (expected) - 2) == 0
2008 && result[strlen (expected) - 2] == '0'
2009 && strcmp (result + strlen (expected) - 1,
2010 expected + strlen (expected) - 2)
2012 ASSERT (length == strlen (result));
2017 { /* A negative number. */
2020 my_asnprintf (NULL, &length, "%e %d", -0.03125, 33, 44, 55);
2021 ASSERT (result != NULL);
2022 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
2023 || strcmp (result, "-3.125000e-002 33") == 0);
2024 ASSERT (length == strlen (result));
2028 { /* Positive zero. */
2031 my_asnprintf (NULL, &length, "%e %d", 0.0, 33, 44, 55);
2032 ASSERT (result != NULL);
2033 ASSERT (strcmp (result, "0.000000e+00 33") == 0
2034 || strcmp (result, "0.000000e+000 33") == 0);
2035 ASSERT (length == strlen (result));
2039 { /* Negative zero. */
2042 my_asnprintf (NULL, &length, "%e %d", -zerod, 33, 44, 55);
2043 ASSERT (result != NULL);
2044 if (have_minus_zero ())
2045 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
2046 || strcmp (result, "-0.000000e+000 33") == 0);
2047 ASSERT (length == strlen (result));
2051 { /* Positive infinity. */
2054 my_asnprintf (NULL, &length, "%e %d", 1.0 / 0.0, 33, 44, 55);
2055 ASSERT (result != NULL);
2056 ASSERT (strcmp (result, "inf 33") == 0
2057 || strcmp (result, "infinity 33") == 0);
2058 ASSERT (length == strlen (result));
2062 { /* Negative infinity. */
2065 my_asnprintf (NULL, &length, "%e %d", -1.0 / 0.0, 33, 44, 55);
2066 ASSERT (result != NULL);
2067 ASSERT (strcmp (result, "-inf 33") == 0
2068 || strcmp (result, "-infinity 33") == 0);
2069 ASSERT (length == strlen (result));
2076 my_asnprintf (NULL, &length, "%e %d", NaNd (), 33, 44, 55);
2077 ASSERT (result != NULL);
2078 ASSERT (strlen (result) >= 3 + 3
2079 && strisnan (result, 0, strlen (result) - 3, 0)
2080 && strcmp (result + strlen (result) - 3, " 33") == 0);
2081 ASSERT (length == strlen (result));
2088 my_asnprintf (NULL, &length, "%15e %d", 1.75, 33, 44, 55);
2089 ASSERT (result != NULL);
2090 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2091 || strcmp (result, " 1.750000e+000 33") == 0);
2092 ASSERT (length == strlen (result));
2099 my_asnprintf (NULL, &length, "%-15e %d", 1.75, 33, 44, 55);
2100 ASSERT (result != NULL);
2101 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2102 || strcmp (result, "1.750000e+000 33") == 0);
2103 ASSERT (length == strlen (result));
2107 { /* FLAG_SHOWSIGN. */
2110 my_asnprintf (NULL, &length, "%+e %d", 1.75, 33, 44, 55);
2111 ASSERT (result != NULL);
2112 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
2113 || strcmp (result, "+1.750000e+000 33") == 0);
2114 ASSERT (length == strlen (result));
2121 my_asnprintf (NULL, &length, "% e %d", 1.75, 33, 44, 55);
2122 ASSERT (result != NULL);
2123 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2124 || strcmp (result, " 1.750000e+000 33") == 0);
2125 ASSERT (length == strlen (result));
2132 my_asnprintf (NULL, &length, "%#e %d", 1.75, 33, 44, 55);
2133 ASSERT (result != NULL);
2134 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2135 || strcmp (result, "1.750000e+000 33") == 0);
2136 ASSERT (length == strlen (result));
2143 my_asnprintf (NULL, &length, "%#.e %d", 1.75, 33, 44, 55);
2144 ASSERT (result != NULL);
2145 ASSERT (strcmp (result, "2.e+00 33") == 0
2146 || strcmp (result, "2.e+000 33") == 0);
2147 ASSERT (length == strlen (result));
2154 my_asnprintf (NULL, &length, "%#.e %d", 9.75, 33, 44, 55);
2155 ASSERT (result != NULL);
2156 ASSERT (strcmp (result, "1.e+01 33") == 0
2157 || strcmp (result, "1.e+001 33") == 0);
2158 ASSERT (length == strlen (result));
2162 { /* FLAG_ZERO with finite number. */
2165 my_asnprintf (NULL, &length, "%015e %d", 1234.0, 33, 44, 55);
2166 ASSERT (result != NULL);
2167 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
2168 || strcmp (result, "001.234000e+003 33") == 0);
2169 ASSERT (length == strlen (result));
2173 { /* FLAG_ZERO with infinite number. */
2176 my_asnprintf (NULL, &length, "%015e %d", -1.0 / 0.0, 33, 44, 55);
2177 ASSERT (result != NULL);
2178 ASSERT (strcmp (result, " -inf 33") == 0
2179 || strcmp (result, " -infinity 33") == 0);
2180 ASSERT (length == strlen (result));
2184 { /* FLAG_ZERO with NaN. */
2187 my_asnprintf (NULL, &length, "%050e %d", NaNd (), 33, 44, 55);
2188 ASSERT (result != NULL);
2189 ASSERT (strlen (result) == 50 + 3
2190 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2191 && strcmp (result + strlen (result) - 3, " 33") == 0);
2192 ASSERT (length == strlen (result));
2199 my_asnprintf (NULL, &length, "%.e %d", 1234.0, 33, 44, 55);
2200 ASSERT (result != NULL);
2201 ASSERT (strcmp (result, "1e+03 33") == 0
2202 || strcmp (result, "1e+003 33") == 0);
2203 ASSERT (length == strlen (result));
2207 { /* Precision with no rounding. */
2210 my_asnprintf (NULL, &length, "%.4e %d", 999.951, 33, 44, 55);
2211 ASSERT (result != NULL);
2212 ASSERT (strcmp (result, "9.9995e+02 33") == 0
2213 || strcmp (result, "9.9995e+002 33") == 0);
2214 ASSERT (length == strlen (result));
2218 { /* Precision with rounding. */
2221 my_asnprintf (NULL, &length, "%.4e %d", 999.996, 33, 44, 55);
2222 ASSERT (result != NULL);
2223 ASSERT (strcmp (result, "1.0000e+03 33") == 0
2224 || strcmp (result, "1.0000e+003 33") == 0);
2225 ASSERT (length == strlen (result));
2229 { /* A positive number. */
2232 my_asnprintf (NULL, &length, "%Le %d", 12.75L, 33, 44, 55);
2233 ASSERT (result != NULL);
2234 ASSERT (strcmp (result, "1.275000e+01 33") == 0
2235 || strcmp (result, "1.275000e+001 33") == 0);
2236 ASSERT (length == strlen (result));
2240 { /* A larger positive number. */
2243 my_asnprintf (NULL, &length, "%Le %d", 1234567.0L, 33, 44, 55);
2244 ASSERT (result != NULL);
2245 ASSERT (strcmp (result, "1.234567e+06 33") == 0
2246 || strcmp (result, "1.234567e+006 33") == 0);
2247 ASSERT (length == strlen (result));
2251 { /* Small and large positive numbers. */
2252 static struct { long double value; const char *string; } data[] =
2254 { 1.234321234321234e-37L, "1.234321e-37" },
2255 { 1.234321234321234e-36L, "1.234321e-36" },
2256 { 1.234321234321234e-35L, "1.234321e-35" },
2257 { 1.234321234321234e-34L, "1.234321e-34" },
2258 { 1.234321234321234e-33L, "1.234321e-33" },
2259 { 1.234321234321234e-32L, "1.234321e-32" },
2260 { 1.234321234321234e-31L, "1.234321e-31" },
2261 { 1.234321234321234e-30L, "1.234321e-30" },
2262 { 1.234321234321234e-29L, "1.234321e-29" },
2263 { 1.234321234321234e-28L, "1.234321e-28" },
2264 { 1.234321234321234e-27L, "1.234321e-27" },
2265 { 1.234321234321234e-26L, "1.234321e-26" },
2266 { 1.234321234321234e-25L, "1.234321e-25" },
2267 { 1.234321234321234e-24L, "1.234321e-24" },
2268 { 1.234321234321234e-23L, "1.234321e-23" },
2269 { 1.234321234321234e-22L, "1.234321e-22" },
2270 { 1.234321234321234e-21L, "1.234321e-21" },
2271 { 1.234321234321234e-20L, "1.234321e-20" },
2272 { 1.234321234321234e-19L, "1.234321e-19" },
2273 { 1.234321234321234e-18L, "1.234321e-18" },
2274 { 1.234321234321234e-17L, "1.234321e-17" },
2275 { 1.234321234321234e-16L, "1.234321e-16" },
2276 { 1.234321234321234e-15L, "1.234321e-15" },
2277 { 1.234321234321234e-14L, "1.234321e-14" },
2278 { 1.234321234321234e-13L, "1.234321e-13" },
2279 { 1.234321234321234e-12L, "1.234321e-12" },
2280 { 1.234321234321234e-11L, "1.234321e-11" },
2281 { 1.234321234321234e-10L, "1.234321e-10" },
2282 { 1.234321234321234e-9L, "1.234321e-09" },
2283 { 1.234321234321234e-8L, "1.234321e-08" },
2284 { 1.234321234321234e-7L, "1.234321e-07" },
2285 { 1.234321234321234e-6L, "1.234321e-06" },
2286 { 1.234321234321234e-5L, "1.234321e-05" },
2287 { 1.234321234321234e-4L, "1.234321e-04" },
2288 { 1.234321234321234e-3L, "1.234321e-03" },
2289 { 1.234321234321234e-2L, "1.234321e-02" },
2290 { 1.234321234321234e-1L, "1.234321e-01" },
2291 { 1.234321234321234L, "1.234321e+00" },
2292 { 1.234321234321234e1L, "1.234321e+01" },
2293 { 1.234321234321234e2L, "1.234321e+02" },
2294 { 1.234321234321234e3L, "1.234321e+03" },
2295 { 1.234321234321234e4L, "1.234321e+04" },
2296 { 1.234321234321234e5L, "1.234321e+05" },
2297 { 1.234321234321234e6L, "1.234321e+06" },
2298 { 1.234321234321234e7L, "1.234321e+07" },
2299 { 1.234321234321234e8L, "1.234321e+08" },
2300 { 1.234321234321234e9L, "1.234321e+09" },
2301 { 1.234321234321234e10L, "1.234321e+10" },
2302 { 1.234321234321234e11L, "1.234321e+11" },
2303 { 1.234321234321234e12L, "1.234321e+12" },
2304 { 1.234321234321234e13L, "1.234321e+13" },
2305 { 1.234321234321234e14L, "1.234321e+14" },
2306 { 1.234321234321234e15L, "1.234321e+15" },
2307 { 1.234321234321234e16L, "1.234321e+16" },
2308 { 1.234321234321234e17L, "1.234321e+17" },
2309 { 1.234321234321234e18L, "1.234321e+18" },
2310 { 1.234321234321234e19L, "1.234321e+19" },
2311 { 1.234321234321234e20L, "1.234321e+20" },
2312 { 1.234321234321234e21L, "1.234321e+21" },
2313 { 1.234321234321234e22L, "1.234321e+22" },
2314 { 1.234321234321234e23L, "1.234321e+23" },
2315 { 1.234321234321234e24L, "1.234321e+24" },
2316 { 1.234321234321234e25L, "1.234321e+25" },
2317 { 1.234321234321234e26L, "1.234321e+26" },
2318 { 1.234321234321234e27L, "1.234321e+27" },
2319 { 1.234321234321234e28L, "1.234321e+28" },
2320 { 1.234321234321234e29L, "1.234321e+29" },
2321 { 1.234321234321234e30L, "1.234321e+30" },
2322 { 1.234321234321234e31L, "1.234321e+31" },
2323 { 1.234321234321234e32L, "1.234321e+32" },
2324 { 1.234321234321234e33L, "1.234321e+33" },
2325 { 1.234321234321234e34L, "1.234321e+34" },
2326 { 1.234321234321234e35L, "1.234321e+35" },
2327 { 1.234321234321234e36L, "1.234321e+36" }
2330 for (k = 0; k < SIZEOF (data); k++)
2334 my_asnprintf (NULL, &length, "%Le", data[k].value);
2335 const char *expected = data[k].string;
2336 ASSERT (result != NULL);
2337 ASSERT (strcmp (result, expected) == 0
2338 /* Some implementations produce exponents with 3 digits. */
2339 || (strlen (result) == strlen (expected) + 1
2340 && memcmp (result, expected, strlen (expected) - 2) == 0
2341 && result[strlen (expected) - 2] == '0'
2342 && strcmp (result + strlen (expected) - 1,
2343 expected + strlen (expected) - 2)
2345 ASSERT (length == strlen (result));
2350 { /* A negative number. */
2353 my_asnprintf (NULL, &length, "%Le %d", -0.03125L, 33, 44, 55);
2354 ASSERT (result != NULL);
2355 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
2356 || strcmp (result, "-3.125000e-002 33") == 0);
2357 ASSERT (length == strlen (result));
2361 { /* Positive zero. */
2364 my_asnprintf (NULL, &length, "%Le %d", 0.0L, 33, 44, 55);
2365 ASSERT (result != NULL);
2366 ASSERT (strcmp (result, "0.000000e+00 33") == 0
2367 || strcmp (result, "0.000000e+000 33") == 0);
2368 ASSERT (length == strlen (result));
2372 { /* Negative zero. */
2375 my_asnprintf (NULL, &length, "%Le %d", minus_zerol, 33, 44, 55);
2376 ASSERT (result != NULL);
2377 if (have_minus_zero ())
2378 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
2379 || strcmp (result, "-0.000000e+000 33") == 0);
2380 ASSERT (length == strlen (result));
2384 { /* Positive infinity. */
2387 my_asnprintf (NULL, &length, "%Le %d", 1.0L / 0.0L, 33, 44, 55);
2388 ASSERT (result != NULL);
2389 ASSERT (strcmp (result, "inf 33") == 0
2390 || strcmp (result, "infinity 33") == 0);
2391 ASSERT (length == strlen (result));
2395 { /* Negative infinity. */
2398 my_asnprintf (NULL, &length, "%Le %d", -1.0L / 0.0L, 33, 44, 55);
2399 ASSERT (result != NULL);
2400 ASSERT (strcmp (result, "-inf 33") == 0
2401 || strcmp (result, "-infinity 33") == 0);
2402 ASSERT (length == strlen (result));
2409 my_asnprintf (NULL, &length, "%Le %d", NaNl (), 33, 44, 55);
2410 ASSERT (result != NULL);
2411 ASSERT (strlen (result) >= 3 + 3
2412 && strisnan (result, 0, strlen (result) - 3, 0)
2413 && strcmp (result + strlen (result) - 3, " 33") == 0);
2414 ASSERT (length == strlen (result));
2417 #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_))
2419 static union { unsigned int word[4]; long double value; } x =
2420 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2423 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2424 ASSERT (result != NULL);
2425 ASSERT (strlen (result) >= 3 + 3
2426 && strisnan (result, 0, strlen (result) - 3, 0)
2427 && strcmp (result + strlen (result) - 3, " 33") == 0);
2428 ASSERT (length == strlen (result));
2432 /* Signalling NaN. */
2433 static union { unsigned int word[4]; long double value; } x =
2434 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2437 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2438 ASSERT (result != NULL);
2439 ASSERT (strlen (result) >= 3 + 3
2440 && strisnan (result, 0, strlen (result) - 3, 0)
2441 && strcmp (result + strlen (result) - 3, " 33") == 0);
2442 ASSERT (length == strlen (result));
2445 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
2446 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
2447 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
2448 Application Architecture.
2449 Table 5-2 "Floating-Point Register Encodings"
2450 Figure 5-6 "Memory to Floating-Point Register Data Translation"
2453 static union { unsigned int word[4]; long double value; } x =
2454 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2457 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2458 ASSERT (result != NULL);
2459 ASSERT (strlen (result) >= 3 + 3
2460 && strisnan (result, 0, strlen (result) - 3, 0)
2461 && strcmp (result + strlen (result) - 3, " 33") == 0);
2462 ASSERT (length == strlen (result));
2465 { /* Pseudo-Infinity. */
2466 static union { unsigned int word[4]; long double value; } x =
2467 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2470 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2471 ASSERT (result != NULL);
2472 ASSERT (strlen (result) >= 3 + 3
2473 && strisnan (result, 0, strlen (result) - 3, 0)
2474 && strcmp (result + strlen (result) - 3, " 33") == 0);
2475 ASSERT (length == strlen (result));
2478 { /* Pseudo-Zero. */
2479 static union { unsigned int word[4]; long double value; } x =
2480 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2483 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2484 ASSERT (result != NULL);
2485 ASSERT (strlen (result) >= 3 + 3
2486 && strisnan (result, 0, strlen (result) - 3, 0)
2487 && strcmp (result + strlen (result) - 3, " 33") == 0);
2488 ASSERT (length == strlen (result));
2491 { /* Unnormalized number. */
2492 static union { unsigned int word[4]; long double value; } x =
2493 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2496 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2497 ASSERT (result != NULL);
2498 ASSERT (strlen (result) >= 3 + 3
2499 && strisnan (result, 0, strlen (result) - 3, 0)
2500 && strcmp (result + strlen (result) - 3, " 33") == 0);
2501 ASSERT (length == strlen (result));
2504 { /* Pseudo-Denormal. */
2505 static union { unsigned int word[4]; long double value; } x =
2506 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2509 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2510 ASSERT (result != NULL);
2511 ASSERT (strlen (result) >= 3 + 3
2512 && strisnan (result, 0, strlen (result) - 3, 0)
2513 && strcmp (result + strlen (result) - 3, " 33") == 0);
2514 ASSERT (length == strlen (result));
2522 my_asnprintf (NULL, &length, "%15Le %d", 1.75L, 33, 44, 55);
2523 ASSERT (result != NULL);
2524 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2525 || strcmp (result, " 1.750000e+000 33") == 0);
2526 ASSERT (length == strlen (result));
2533 my_asnprintf (NULL, &length, "%-15Le %d", 1.75L, 33, 44, 55);
2534 ASSERT (result != NULL);
2535 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2536 || strcmp (result, "1.750000e+000 33") == 0);
2537 ASSERT (length == strlen (result));
2541 { /* FLAG_SHOWSIGN. */
2544 my_asnprintf (NULL, &length, "%+Le %d", 1.75L, 33, 44, 55);
2545 ASSERT (result != NULL);
2546 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
2547 || strcmp (result, "+1.750000e+000 33") == 0);
2548 ASSERT (length == strlen (result));
2555 my_asnprintf (NULL, &length, "% Le %d", 1.75L, 33, 44, 55);
2556 ASSERT (result != NULL);
2557 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2558 || strcmp (result, " 1.750000e+000 33") == 0);
2559 ASSERT (length == strlen (result));
2566 my_asnprintf (NULL, &length, "%#Le %d", 1.75L, 33, 44, 55);
2567 ASSERT (result != NULL);
2568 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2569 || strcmp (result, "1.750000e+000 33") == 0);
2570 ASSERT (length == strlen (result));
2577 my_asnprintf (NULL, &length, "%#.Le %d", 1.75L, 33, 44, 55);
2578 ASSERT (result != NULL);
2579 ASSERT (strcmp (result, "2.e+00 33") == 0
2580 || strcmp (result, "2.e+000 33") == 0);
2581 ASSERT (length == strlen (result));
2588 my_asnprintf (NULL, &length, "%#.Le %d", 9.75L, 33, 44, 55);
2589 ASSERT (result != NULL);
2590 ASSERT (strcmp (result, "1.e+01 33") == 0
2591 || strcmp (result, "1.e+001 33") == 0);
2592 ASSERT (length == strlen (result));
2596 { /* FLAG_ZERO with finite number. */
2599 my_asnprintf (NULL, &length, "%015Le %d", 1234.0L, 33, 44, 55);
2600 ASSERT (result != NULL);
2601 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
2602 || strcmp (result, "001.234000e+003 33") == 0);
2603 ASSERT (length == strlen (result));
2607 { /* FLAG_ZERO with infinite number. */
2610 my_asnprintf (NULL, &length, "%015Le %d", -1.0L / 0.0L, 33, 44, 55);
2611 ASSERT (result != NULL);
2612 ASSERT (strcmp (result, " -inf 33") == 0
2613 || strcmp (result, " -infinity 33") == 0);
2614 ASSERT (length == strlen (result));
2618 { /* FLAG_ZERO with NaN. */
2621 my_asnprintf (NULL, &length, "%050Le %d", NaNl (), 33, 44, 55);
2622 ASSERT (result != NULL);
2623 ASSERT (strlen (result) == 50 + 3
2624 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2625 && strcmp (result + strlen (result) - 3, " 33") == 0);
2626 ASSERT (length == strlen (result));
2633 my_asnprintf (NULL, &length, "%.Le %d", 1234.0L, 33, 44, 55);
2634 ASSERT (result != NULL);
2635 ASSERT (strcmp (result, "1e+03 33") == 0
2636 || strcmp (result, "1e+003 33") == 0);
2637 ASSERT (length == strlen (result));
2641 { /* Precision with no rounding. */
2644 my_asnprintf (NULL, &length, "%.4Le %d", 999.951L, 33, 44, 55);
2645 ASSERT (result != NULL);
2646 ASSERT (strcmp (result, "9.9995e+02 33") == 0
2647 || strcmp (result, "9.9995e+002 33") == 0);
2648 ASSERT (length == strlen (result));
2652 { /* Precision with rounding. */
2655 my_asnprintf (NULL, &length, "%.4Le %d", 999.996L, 33, 44, 55);
2656 ASSERT (result != NULL);
2657 ASSERT (strcmp (result, "1.0000e+03 33") == 0
2658 || strcmp (result, "1.0000e+003 33") == 0);
2659 ASSERT (length == strlen (result));
2663 /* Test the support of the %g format directive. */
2665 { /* A positive number. */
2668 my_asnprintf (NULL, &length, "%g %d", 12.75, 33, 44, 55);
2669 ASSERT (result != NULL);
2670 ASSERT (strcmp (result, "12.75 33") == 0);
2671 ASSERT (length == strlen (result));
2675 { /* A larger positive number. */
2678 my_asnprintf (NULL, &length, "%g %d", 1234567.0, 33, 44, 55);
2679 ASSERT (result != NULL);
2680 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2681 || strcmp (result, "1.23457e+006 33") == 0);
2682 ASSERT (length == strlen (result));
2686 { /* Small and large positive numbers. */
2687 static struct { double value; const char *string; } data[] =
2689 { 1.234321234321234e-37, "1.23432e-37" },
2690 { 1.234321234321234e-36, "1.23432e-36" },
2691 { 1.234321234321234e-35, "1.23432e-35" },
2692 { 1.234321234321234e-34, "1.23432e-34" },
2693 { 1.234321234321234e-33, "1.23432e-33" },
2694 { 1.234321234321234e-32, "1.23432e-32" },
2695 { 1.234321234321234e-31, "1.23432e-31" },
2696 { 1.234321234321234e-30, "1.23432e-30" },
2697 { 1.234321234321234e-29, "1.23432e-29" },
2698 { 1.234321234321234e-28, "1.23432e-28" },
2699 { 1.234321234321234e-27, "1.23432e-27" },
2700 { 1.234321234321234e-26, "1.23432e-26" },
2701 { 1.234321234321234e-25, "1.23432e-25" },
2702 { 1.234321234321234e-24, "1.23432e-24" },
2703 { 1.234321234321234e-23, "1.23432e-23" },
2704 { 1.234321234321234e-22, "1.23432e-22" },
2705 { 1.234321234321234e-21, "1.23432e-21" },
2706 { 1.234321234321234e-20, "1.23432e-20" },
2707 { 1.234321234321234e-19, "1.23432e-19" },
2708 { 1.234321234321234e-18, "1.23432e-18" },
2709 { 1.234321234321234e-17, "1.23432e-17" },
2710 { 1.234321234321234e-16, "1.23432e-16" },
2711 { 1.234321234321234e-15, "1.23432e-15" },
2712 { 1.234321234321234e-14, "1.23432e-14" },
2713 { 1.234321234321234e-13, "1.23432e-13" },
2714 { 1.234321234321234e-12, "1.23432e-12" },
2715 { 1.234321234321234e-11, "1.23432e-11" },
2716 { 1.234321234321234e-10, "1.23432e-10" },
2717 { 1.234321234321234e-9, "1.23432e-09" },
2718 { 1.234321234321234e-8, "1.23432e-08" },
2719 { 1.234321234321234e-7, "1.23432e-07" },
2720 { 1.234321234321234e-6, "1.23432e-06" },
2721 { 1.234321234321234e-5, "1.23432e-05" },
2722 { 1.234321234321234e-4, "0.000123432" },
2723 { 1.234321234321234e-3, "0.00123432" },
2724 { 1.234321234321234e-2, "0.0123432" },
2725 { 1.234321234321234e-1, "0.123432" },
2726 { 1.234321234321234, "1.23432" },
2727 { 1.234321234321234e1, "12.3432" },
2728 { 1.234321234321234e2, "123.432" },
2729 { 1.234321234321234e3, "1234.32" },
2730 { 1.234321234321234e4, "12343.2" },
2731 { 1.234321234321234e5, "123432" },
2732 { 1.234321234321234e6, "1.23432e+06" },
2733 { 1.234321234321234e7, "1.23432e+07" },
2734 { 1.234321234321234e8, "1.23432e+08" },
2735 { 1.234321234321234e9, "1.23432e+09" },
2736 { 1.234321234321234e10, "1.23432e+10" },
2737 { 1.234321234321234e11, "1.23432e+11" },
2738 { 1.234321234321234e12, "1.23432e+12" },
2739 { 1.234321234321234e13, "1.23432e+13" },
2740 { 1.234321234321234e14, "1.23432e+14" },
2741 { 1.234321234321234e15, "1.23432e+15" },
2742 { 1.234321234321234e16, "1.23432e+16" },
2743 { 1.234321234321234e17, "1.23432e+17" },
2744 { 1.234321234321234e18, "1.23432e+18" },
2745 { 1.234321234321234e19, "1.23432e+19" },
2746 { 1.234321234321234e20, "1.23432e+20" },
2747 { 1.234321234321234e21, "1.23432e+21" },
2748 { 1.234321234321234e22, "1.23432e+22" },
2749 { 1.234321234321234e23, "1.23432e+23" },
2750 { 1.234321234321234e24, "1.23432e+24" },
2751 { 1.234321234321234e25, "1.23432e+25" },
2752 { 1.234321234321234e26, "1.23432e+26" },
2753 { 1.234321234321234e27, "1.23432e+27" },
2754 { 1.234321234321234e28, "1.23432e+28" },
2755 { 1.234321234321234e29, "1.23432e+29" },
2756 { 1.234321234321234e30, "1.23432e+30" },
2757 { 1.234321234321234e31, "1.23432e+31" },
2758 { 1.234321234321234e32, "1.23432e+32" },
2759 { 1.234321234321234e33, "1.23432e+33" },
2760 { 1.234321234321234e34, "1.23432e+34" },
2761 { 1.234321234321234e35, "1.23432e+35" },
2762 { 1.234321234321234e36, "1.23432e+36" }
2765 for (k = 0; k < SIZEOF (data); k++)
2769 my_asnprintf (NULL, &length, "%g", data[k].value);
2770 const char *expected = data[k].string;
2771 ASSERT (result != NULL);
2772 ASSERT (strcmp (result, expected) == 0
2773 /* Some implementations produce exponents with 3 digits. */
2774 || (expected[strlen (expected) - 4] == 'e'
2775 && strlen (result) == strlen (expected) + 1
2776 && memcmp (result, expected, strlen (expected) - 2) == 0
2777 && result[strlen (expected) - 2] == '0'
2778 && strcmp (result + strlen (expected) - 1,
2779 expected + strlen (expected) - 2)
2781 ASSERT (length == strlen (result));
2786 { /* A negative number. */
2789 my_asnprintf (NULL, &length, "%g %d", -0.03125, 33, 44, 55);
2790 ASSERT (result != NULL);
2791 ASSERT (strcmp (result, "-0.03125 33") == 0);
2792 ASSERT (length == strlen (result));
2796 { /* Positive zero. */
2799 my_asnprintf (NULL, &length, "%g %d", 0.0, 33, 44, 55);
2800 ASSERT (result != NULL);
2801 ASSERT (strcmp (result, "0 33") == 0);
2802 ASSERT (length == strlen (result));
2806 { /* Negative zero. */
2809 my_asnprintf (NULL, &length, "%g %d", -zerod, 33, 44, 55);
2810 ASSERT (result != NULL);
2811 if (have_minus_zero ())
2812 ASSERT (strcmp (result, "-0 33") == 0);
2813 ASSERT (length == strlen (result));
2817 { /* Positive infinity. */
2820 my_asnprintf (NULL, &length, "%g %d", 1.0 / 0.0, 33, 44, 55);
2821 ASSERT (result != NULL);
2822 ASSERT (strcmp (result, "inf 33") == 0
2823 || strcmp (result, "infinity 33") == 0);
2824 ASSERT (length == strlen (result));
2828 { /* Negative infinity. */
2831 my_asnprintf (NULL, &length, "%g %d", -1.0 / 0.0, 33, 44, 55);
2832 ASSERT (result != NULL);
2833 ASSERT (strcmp (result, "-inf 33") == 0
2834 || strcmp (result, "-infinity 33") == 0);
2835 ASSERT (length == strlen (result));
2842 my_asnprintf (NULL, &length, "%g %d", NaNd (), 33, 44, 55);
2843 ASSERT (result != NULL);
2844 ASSERT (strlen (result) >= 3 + 3
2845 && strisnan (result, 0, strlen (result) - 3, 0)
2846 && strcmp (result + strlen (result) - 3, " 33") == 0);
2847 ASSERT (length == strlen (result));
2854 my_asnprintf (NULL, &length, "%10g %d", 1.75, 33, 44, 55);
2855 ASSERT (result != NULL);
2856 ASSERT (strcmp (result, " 1.75 33") == 0);
2857 ASSERT (length == strlen (result));
2864 my_asnprintf (NULL, &length, "%-10g %d", 1.75, 33, 44, 55);
2865 ASSERT (result != NULL);
2866 ASSERT (strcmp (result, "1.75 33") == 0);
2867 ASSERT (length == strlen (result));
2871 { /* FLAG_SHOWSIGN. */
2874 my_asnprintf (NULL, &length, "%+g %d", 1.75, 33, 44, 55);
2875 ASSERT (result != NULL);
2876 ASSERT (strcmp (result, "+1.75 33") == 0);
2877 ASSERT (length == strlen (result));
2884 my_asnprintf (NULL, &length, "% g %d", 1.75, 33, 44, 55);
2885 ASSERT (result != NULL);
2886 ASSERT (strcmp (result, " 1.75 33") == 0);
2887 ASSERT (length == strlen (result));
2894 my_asnprintf (NULL, &length, "%#g %d", 1.75, 33, 44, 55);
2895 ASSERT (result != NULL);
2896 ASSERT (strcmp (result, "1.75000 33") == 0);
2897 ASSERT (length == strlen (result));
2904 my_asnprintf (NULL, &length, "%#.g %d", 1.75, 33, 44, 55);
2905 ASSERT (result != NULL);
2906 ASSERT (strcmp (result, "2. 33") == 0);
2907 ASSERT (length == strlen (result));
2914 my_asnprintf (NULL, &length, "%#.g %d", 9.75, 33, 44, 55);
2915 ASSERT (result != NULL);
2916 ASSERT (strcmp (result, "1.e+01 33") == 0
2917 || strcmp (result, "1.e+001 33") == 0);
2918 ASSERT (length == strlen (result));
2922 { /* FLAG_ZERO with finite number. */
2925 my_asnprintf (NULL, &length, "%010g %d", 1234.0, 33, 44, 55);
2926 ASSERT (result != NULL);
2927 ASSERT (strcmp (result, "0000001234 33") == 0);
2928 ASSERT (length == strlen (result));
2932 { /* FLAG_ZERO with infinite number. */
2935 my_asnprintf (NULL, &length, "%015g %d", -1.0 / 0.0, 33, 44, 55);
2936 ASSERT (result != NULL);
2937 ASSERT (strcmp (result, " -inf 33") == 0
2938 || strcmp (result, " -infinity 33") == 0);
2939 ASSERT (length == strlen (result));
2943 { /* FLAG_ZERO with NaN. */
2946 my_asnprintf (NULL, &length, "%050g %d", NaNd (), 33, 44, 55);
2947 ASSERT (result != NULL);
2948 ASSERT (strlen (result) == 50 + 3
2949 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2950 && strcmp (result + strlen (result) - 3, " 33") == 0);
2951 ASSERT (length == strlen (result));
2958 my_asnprintf (NULL, &length, "%.g %d", 1234.0, 33, 44, 55);
2959 ASSERT (result != NULL);
2960 ASSERT (strcmp (result, "1e+03 33") == 0
2961 || strcmp (result, "1e+003 33") == 0);
2962 ASSERT (length == strlen (result));
2966 { /* Precision with no rounding. */
2969 my_asnprintf (NULL, &length, "%.5g %d", 999.951, 33, 44, 55);
2970 ASSERT (result != NULL);
2971 ASSERT (strcmp (result, "999.95 33") == 0);
2972 ASSERT (length == strlen (result));
2976 { /* Precision with rounding. */
2979 my_asnprintf (NULL, &length, "%.5g %d", 999.996, 33, 44, 55);
2980 ASSERT (result != NULL);
2981 ASSERT (strcmp (result, "1000 33") == 0);
2982 ASSERT (length == strlen (result));
2986 { /* A positive number. */
2989 my_asnprintf (NULL, &length, "%Lg %d", 12.75L, 33, 44, 55);
2990 ASSERT (result != NULL);
2991 ASSERT (strcmp (result, "12.75 33") == 0);
2992 ASSERT (length == strlen (result));
2996 { /* A larger positive number. */
2999 my_asnprintf (NULL, &length, "%Lg %d", 1234567.0L, 33, 44, 55);
3000 ASSERT (result != NULL);
3001 ASSERT (strcmp (result, "1.23457e+06 33") == 0
3002 || strcmp (result, "1.23457e+006 33") == 0);
3003 ASSERT (length == strlen (result));
3007 { /* Small and large positive numbers. */
3008 static struct { long double value; const char *string; } data[] =
3010 { 1.234321234321234e-37L, "1.23432e-37" },
3011 { 1.234321234321234e-36L, "1.23432e-36" },
3012 { 1.234321234321234e-35L, "1.23432e-35" },
3013 { 1.234321234321234e-34L, "1.23432e-34" },
3014 { 1.234321234321234e-33L, "1.23432e-33" },
3015 { 1.234321234321234e-32L, "1.23432e-32" },
3016 { 1.234321234321234e-31L, "1.23432e-31" },
3017 { 1.234321234321234e-30L, "1.23432e-30" },
3018 { 1.234321234321234e-29L, "1.23432e-29" },
3019 { 1.234321234321234e-28L, "1.23432e-28" },
3020 { 1.234321234321234e-27L, "1.23432e-27" },
3021 { 1.234321234321234e-26L, "1.23432e-26" },
3022 { 1.234321234321234e-25L, "1.23432e-25" },
3023 { 1.234321234321234e-24L, "1.23432e-24" },
3024 { 1.234321234321234e-23L, "1.23432e-23" },
3025 { 1.234321234321234e-22L, "1.23432e-22" },
3026 { 1.234321234321234e-21L, "1.23432e-21" },
3027 { 1.234321234321234e-20L, "1.23432e-20" },
3028 { 1.234321234321234e-19L, "1.23432e-19" },
3029 { 1.234321234321234e-18L, "1.23432e-18" },
3030 { 1.234321234321234e-17L, "1.23432e-17" },
3031 { 1.234321234321234e-16L, "1.23432e-16" },
3032 { 1.234321234321234e-15L, "1.23432e-15" },
3033 { 1.234321234321234e-14L, "1.23432e-14" },
3034 { 1.234321234321234e-13L, "1.23432e-13" },
3035 { 1.234321234321234e-12L, "1.23432e-12" },
3036 { 1.234321234321234e-11L, "1.23432e-11" },
3037 { 1.234321234321234e-10L, "1.23432e-10" },
3038 { 1.234321234321234e-9L, "1.23432e-09" },
3039 { 1.234321234321234e-8L, "1.23432e-08" },
3040 { 1.234321234321234e-7L, "1.23432e-07" },
3041 { 1.234321234321234e-6L, "1.23432e-06" },
3042 { 1.234321234321234e-5L, "1.23432e-05" },
3043 { 1.234321234321234e-4L, "0.000123432" },
3044 { 1.234321234321234e-3L, "0.00123432" },
3045 { 1.234321234321234e-2L, "0.0123432" },
3046 { 1.234321234321234e-1L, "0.123432" },
3047 { 1.234321234321234L, "1.23432" },
3048 { 1.234321234321234e1L, "12.3432" },
3049 { 1.234321234321234e2L, "123.432" },
3050 { 1.234321234321234e3L, "1234.32" },
3051 { 1.234321234321234e4L, "12343.2" },
3052 { 1.234321234321234e5L, "123432" },
3053 { 1.234321234321234e6L, "1.23432e+06" },
3054 { 1.234321234321234e7L, "1.23432e+07" },
3055 { 1.234321234321234e8L, "1.23432e+08" },
3056 { 1.234321234321234e9L, "1.23432e+09" },
3057 { 1.234321234321234e10L, "1.23432e+10" },
3058 { 1.234321234321234e11L, "1.23432e+11" },
3059 { 1.234321234321234e12L, "1.23432e+12" },
3060 { 1.234321234321234e13L, "1.23432e+13" },
3061 { 1.234321234321234e14L, "1.23432e+14" },
3062 { 1.234321234321234e15L, "1.23432e+15" },
3063 { 1.234321234321234e16L, "1.23432e+16" },
3064 { 1.234321234321234e17L, "1.23432e+17" },
3065 { 1.234321234321234e18L, "1.23432e+18" },
3066 { 1.234321234321234e19L, "1.23432e+19" },
3067 { 1.234321234321234e20L, "1.23432e+20" },
3068 { 1.234321234321234e21L, "1.23432e+21" },
3069 { 1.234321234321234e22L, "1.23432e+22" },
3070 { 1.234321234321234e23L, "1.23432e+23" },
3071 { 1.234321234321234e24L, "1.23432e+24" },
3072 { 1.234321234321234e25L, "1.23432e+25" },
3073 { 1.234321234321234e26L, "1.23432e+26" },
3074 { 1.234321234321234e27L, "1.23432e+27" },
3075 { 1.234321234321234e28L, "1.23432e+28" },
3076 { 1.234321234321234e29L, "1.23432e+29" },
3077 { 1.234321234321234e30L, "1.23432e+30" },
3078 { 1.234321234321234e31L, "1.23432e+31" },
3079 { 1.234321234321234e32L, "1.23432e+32" },
3080 { 1.234321234321234e33L, "1.23432e+33" },
3081 { 1.234321234321234e34L, "1.23432e+34" },
3082 { 1.234321234321234e35L, "1.23432e+35" },
3083 { 1.234321234321234e36L, "1.23432e+36" }
3086 for (k = 0; k < SIZEOF (data); k++)
3090 my_asnprintf (NULL, &length, "%Lg", data[k].value);
3091 const char *expected = data[k].string;
3092 ASSERT (result != NULL);
3093 ASSERT (strcmp (result, expected) == 0
3094 /* Some implementations produce exponents with 3 digits. */
3095 || (expected[strlen (expected) - 4] == 'e'
3096 && strlen (result) == strlen (expected) + 1
3097 && memcmp (result, expected, strlen (expected) - 2) == 0
3098 && result[strlen (expected) - 2] == '0'
3099 && strcmp (result + strlen (expected) - 1,
3100 expected + strlen (expected) - 2)
3102 ASSERT (length == strlen (result));
3107 { /* A negative number. */
3110 my_asnprintf (NULL, &length, "%Lg %d", -0.03125L, 33, 44, 55);
3111 ASSERT (result != NULL);
3112 ASSERT (strcmp (result, "-0.03125 33") == 0);
3113 ASSERT (length == strlen (result));
3117 { /* Positive zero. */
3120 my_asnprintf (NULL, &length, "%Lg %d", 0.0L, 33, 44, 55);
3121 ASSERT (result != NULL);
3122 ASSERT (strcmp (result, "0 33") == 0);
3123 ASSERT (length == strlen (result));
3127 { /* Negative zero. */
3130 my_asnprintf (NULL, &length, "%Lg %d", minus_zerol, 33, 44, 55);
3131 ASSERT (result != NULL);
3132 if (have_minus_zero ())
3133 ASSERT (strcmp (result, "-0 33") == 0);
3134 ASSERT (length == strlen (result));
3138 { /* Positive infinity. */
3141 my_asnprintf (NULL, &length, "%Lg %d", 1.0L / 0.0L, 33, 44, 55);
3142 ASSERT (result != NULL);
3143 ASSERT (strcmp (result, "inf 33") == 0
3144 || strcmp (result, "infinity 33") == 0);
3145 ASSERT (length == strlen (result));
3149 { /* Negative infinity. */
3152 my_asnprintf (NULL, &length, "%Lg %d", -1.0L / 0.0L, 33, 44, 55);
3153 ASSERT (result != NULL);
3154 ASSERT (strcmp (result, "-inf 33") == 0
3155 || strcmp (result, "-infinity 33") == 0);
3156 ASSERT (length == strlen (result));
3163 my_asnprintf (NULL, &length, "%Lg %d", NaNl (), 33, 44, 55);
3164 ASSERT (result != NULL);
3165 ASSERT (strlen (result) >= 3 + 3
3166 && strisnan (result, 0, strlen (result) - 3, 0)
3167 && strcmp (result + strlen (result) - 3, " 33") == 0);
3168 ASSERT (length == strlen (result));
3171 #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_))
3173 static union { unsigned int word[4]; long double value; } x =
3174 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
3177 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3178 ASSERT (result != NULL);
3179 ASSERT (strlen (result) >= 3 + 3
3180 && strisnan (result, 0, strlen (result) - 3, 0)
3181 && strcmp (result + strlen (result) - 3, " 33") == 0);
3182 ASSERT (length == strlen (result));
3186 /* Signalling NaN. */
3187 static union { unsigned int word[4]; long double value; } x =
3188 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
3191 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3192 ASSERT (result != NULL);
3193 ASSERT (strlen (result) >= 3 + 3
3194 && strisnan (result, 0, strlen (result) - 3, 0)
3195 && strcmp (result + strlen (result) - 3, " 33") == 0);
3196 ASSERT (length == strlen (result));
3199 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
3200 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
3201 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
3202 Application Architecture.
3203 Table 5-2 "Floating-Point Register Encodings"
3204 Figure 5-6 "Memory to Floating-Point Register Data Translation"
3207 static union { unsigned int word[4]; long double value; } x =
3208 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
3211 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3212 ASSERT (result != NULL);
3213 ASSERT (strlen (result) >= 3 + 3
3214 && strisnan (result, 0, strlen (result) - 3, 0)
3215 && strcmp (result + strlen (result) - 3, " 33") == 0);
3216 ASSERT (length == strlen (result));
3219 { /* Pseudo-Infinity. */
3220 static union { unsigned int word[4]; long double value; } x =
3221 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
3224 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3225 ASSERT (result != NULL);
3226 ASSERT (strlen (result) >= 3 + 3
3227 && strisnan (result, 0, strlen (result) - 3, 0)
3228 && strcmp (result + strlen (result) - 3, " 33") == 0);
3229 ASSERT (length == strlen (result));
3232 { /* Pseudo-Zero. */
3233 static union { unsigned int word[4]; long double value; } x =
3234 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
3237 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3238 ASSERT (result != NULL);
3239 ASSERT (strlen (result) >= 3 + 3
3240 && strisnan (result, 0, strlen (result) - 3, 0)
3241 && strcmp (result + strlen (result) - 3, " 33") == 0);
3242 ASSERT (length == strlen (result));
3245 { /* Unnormalized number. */
3246 static union { unsigned int word[4]; long double value; } x =
3247 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
3250 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3251 ASSERT (result != NULL);
3252 ASSERT (strlen (result) >= 3 + 3
3253 && strisnan (result, 0, strlen (result) - 3, 0)
3254 && strcmp (result + strlen (result) - 3, " 33") == 0);
3255 ASSERT (length == strlen (result));
3258 { /* Pseudo-Denormal. */
3259 static union { unsigned int word[4]; long double value; } x =
3260 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
3263 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3264 ASSERT (result != NULL);
3265 ASSERT (strlen (result) >= 3 + 3
3266 && strisnan (result, 0, strlen (result) - 3, 0)
3267 && strcmp (result + strlen (result) - 3, " 33") == 0);
3268 ASSERT (length == strlen (result));
3276 my_asnprintf (NULL, &length, "%10Lg %d", 1.75L, 33, 44, 55);
3277 ASSERT (result != NULL);
3278 ASSERT (strcmp (result, " 1.75 33") == 0);
3279 ASSERT (length == strlen (result));
3286 my_asnprintf (NULL, &length, "%-10Lg %d", 1.75L, 33, 44, 55);
3287 ASSERT (result != NULL);
3288 ASSERT (strcmp (result, "1.75 33") == 0);
3289 ASSERT (length == strlen (result));
3293 { /* FLAG_SHOWSIGN. */
3296 my_asnprintf (NULL, &length, "%+Lg %d", 1.75L, 33, 44, 55);
3297 ASSERT (result != NULL);
3298 ASSERT (strcmp (result, "+1.75 33") == 0);
3299 ASSERT (length == strlen (result));
3306 my_asnprintf (NULL, &length, "% Lg %d", 1.75L, 33, 44, 55);
3307 ASSERT (result != NULL);
3308 ASSERT (strcmp (result, " 1.75 33") == 0);
3309 ASSERT (length == strlen (result));
3316 my_asnprintf (NULL, &length, "%#Lg %d", 1.75L, 33, 44, 55);
3317 ASSERT (result != NULL);
3318 ASSERT (strcmp (result, "1.75000 33") == 0);
3319 ASSERT (length == strlen (result));
3326 my_asnprintf (NULL, &length, "%#.Lg %d", 1.75L, 33, 44, 55);
3327 ASSERT (result != NULL);
3328 ASSERT (strcmp (result, "2. 33") == 0);
3329 ASSERT (length == strlen (result));
3336 my_asnprintf (NULL, &length, "%#.Lg %d", 9.75L, 33, 44, 55);
3337 ASSERT (result != NULL);
3338 ASSERT (strcmp (result, "1.e+01 33") == 0
3339 || strcmp (result, "1.e+001 33") == 0);
3340 ASSERT (length == strlen (result));
3344 { /* FLAG_ZERO with finite number. */
3347 my_asnprintf (NULL, &length, "%010Lg %d", 1234.0L, 33, 44, 55);
3348 ASSERT (result != NULL);
3349 ASSERT (strcmp (result, "0000001234 33") == 0);
3350 ASSERT (length == strlen (result));
3354 { /* FLAG_ZERO with infinite number. */
3357 my_asnprintf (NULL, &length, "%015Lg %d", -1.0L / 0.0L, 33, 44, 55);
3358 ASSERT (result != NULL);
3359 ASSERT (strcmp (result, " -inf 33") == 0
3360 || strcmp (result, " -infinity 33") == 0);
3361 ASSERT (length == strlen (result));
3365 { /* FLAG_ZERO with NaN. */
3368 my_asnprintf (NULL, &length, "%050Lg %d", NaNl (), 33, 44, 55);
3369 ASSERT (result != NULL);
3370 ASSERT (strlen (result) == 50 + 3
3371 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
3372 && strcmp (result + strlen (result) - 3, " 33") == 0);
3373 ASSERT (length == strlen (result));
3380 my_asnprintf (NULL, &length, "%.Lg %d", 1234.0L, 33, 44, 55);
3381 ASSERT (result != NULL);
3382 ASSERT (strcmp (result, "1e+03 33") == 0
3383 || strcmp (result, "1e+003 33") == 0);
3384 ASSERT (length == strlen (result));
3388 { /* Precision with no rounding. */
3391 my_asnprintf (NULL, &length, "%.5Lg %d", 999.951L, 33, 44, 55);
3392 ASSERT (result != NULL);
3393 ASSERT (strcmp (result, "999.95 33") == 0);
3394 ASSERT (length == strlen (result));
3398 { /* Precision with rounding. */
3401 my_asnprintf (NULL, &length, "%.5Lg %d", 999.996L, 33, 44, 55);
3402 ASSERT (result != NULL);
3403 ASSERT (strcmp (result, "1000 33") == 0);
3404 ASSERT (length == strlen (result));
3408 /* Test the support of the %n format directive. */
3414 my_asnprintf (NULL, &length, "%d %n", 123, &count, 33, 44, 55);
3415 ASSERT (result != NULL);
3416 ASSERT (strcmp (result, "123 ") == 0);
3417 ASSERT (length == strlen (result));
3418 ASSERT (count == 4);
3422 /* Test the support of the POSIX/XSI format strings with positions. */
3427 my_asnprintf (NULL, &length, "%2$d %1$d", 33, 55);
3428 ASSERT (result != NULL);
3429 ASSERT (strcmp (result, "55 33") == 0);
3430 ASSERT (length == strlen (result));
3434 /* Test the support of the grouping flag. */
3439 my_asnprintf (NULL, &length, "%'d %d", 1234567, 99);
3440 ASSERT (result != NULL);
3441 ASSERT (result[strlen (result) - 1] == '9');
3442 ASSERT (length == strlen (result));
3446 /* Test the support of the left-adjust flag. */
3451 my_asnprintf (NULL, &length, "a%*sc", -3, "b");
3452 ASSERT (result != NULL);
3453 ASSERT (strcmp (result, "ab c") == 0);
3454 ASSERT (length == strlen (result));
3461 my_asnprintf (NULL, &length, "a%-*sc", 3, "b");
3462 ASSERT (result != NULL);
3463 ASSERT (strcmp (result, "ab c") == 0);
3464 ASSERT (length == strlen (result));
3471 my_asnprintf (NULL, &length, "a%-*sc", -3, "b");
3472 ASSERT (result != NULL);
3473 ASSERT (strcmp (result, "ab c") == 0);
3474 ASSERT (length == strlen (result));
3478 /* Test the support of large precision. */
3483 my_asnprintf (NULL, &length, "%.4000d %d", 1234567, 99);
3485 ASSERT (result != NULL);
3486 for (i = 0; i < 4000 - 7; i++)
3487 ASSERT (result[i] == '0');
3488 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3489 ASSERT (length == strlen (result));
3496 my_asnprintf (NULL, &length, "%.*d %d", 4000, 1234567, 99);
3498 ASSERT (result != NULL);
3499 for (i = 0; i < 4000 - 7; i++)
3500 ASSERT (result[i] == '0');
3501 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3502 ASSERT (length == strlen (result));
3509 my_asnprintf (NULL, &length, "%.4000d %d", -1234567, 99);
3511 ASSERT (result != NULL);
3512 ASSERT (result[0] == '-');
3513 for (i = 0; i < 4000 - 7; i++)
3514 ASSERT (result[1 + i] == '0');
3515 ASSERT (strcmp (result + 1 + 4000 - 7, "1234567 99") == 0);
3516 ASSERT (length == strlen (result));
3523 my_asnprintf (NULL, &length, "%.4000u %d", 1234567, 99);
3525 ASSERT (result != NULL);
3526 for (i = 0; i < 4000 - 7; i++)
3527 ASSERT (result[i] == '0');
3528 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3529 ASSERT (length == strlen (result));
3536 my_asnprintf (NULL, &length, "%.4000o %d", 1234567, 99);
3538 ASSERT (result != NULL);
3539 for (i = 0; i < 4000 - 7; i++)
3540 ASSERT (result[i] == '0');
3541 ASSERT (strcmp (result + 4000 - 7, "4553207 99") == 0);
3542 ASSERT (length == strlen (result));
3549 my_asnprintf (NULL, &length, "%.4000x %d", 1234567, 99);
3551 ASSERT (result != NULL);
3552 for (i = 0; i < 4000 - 6; i++)
3553 ASSERT (result[i] == '0');
3554 ASSERT (strcmp (result + 4000 - 6, "12d687 99") == 0);
3555 ASSERT (length == strlen (result));
3562 my_asnprintf (NULL, &length, "%#.4000x %d", 1234567, 99);
3564 ASSERT (result != NULL);
3565 ASSERT (result[0] == '0');
3566 ASSERT (result[1] == 'x');
3567 for (i = 0; i < 4000 - 6; i++)
3568 ASSERT (result[2 + i] == '0');
3569 ASSERT (strcmp (result + 2 + 4000 - 6, "12d687 99") == 0);
3570 ASSERT (length == strlen (result));
3580 for (i = 0; i < sizeof (input) - 1; i++)
3581 input[i] = 'a' + ((1000000 / (i + 1)) % 26);
3583 result = my_asnprintf (NULL, &length, "%.4000s %d", input, 99);
3584 ASSERT (result != NULL);
3585 ASSERT (memcmp (result, input, 4000) == 0);
3586 ASSERT (strcmp (result + 4000, " 99") == 0);
3587 ASSERT (length == strlen (result));
3591 /* Test the support of the %s format directive. */
3593 /* To verify that these tests succeed, it is necessary to run them under
3594 a tool that checks against invalid memory accesses, such as ElectricFence
3595 or "valgrind --tool=memcheck". */
3599 for (i = 1; i <= 8; i++)
3605 block = (char *) malloc (i);
3606 memcpy (block, "abcdefgh", i);
3607 result = my_asnprintf (NULL, &length, "%.*s", (int) i, block);
3608 ASSERT (result != NULL);
3609 ASSERT (memcmp (result, block, i) == 0);
3610 ASSERT (result[i] == '\0');
3611 ASSERT (length == strlen (result));
3620 for (i = 1; i <= 8; i++)
3627 block = (wchar_t *) malloc (i * sizeof (wchar_t));
3628 for (j = 0; j < i; j++)
3629 block[j] = "abcdefgh"[j];
3630 result = my_asnprintf (NULL, &length, "%.*ls", (int) i, block);
3631 ASSERT (result != NULL);
3632 ASSERT (memcmp (result, "abcdefgh", i) == 0);
3633 ASSERT (result[i] == '\0');
3634 ASSERT (length == strlen (result));
3642 /* Test that converting an invalid wchar_t[] to char[] fails with EILSEQ. */
3644 static const wchar_t input[] = { (wchar_t) 1702057263, 114, 0 };
3646 char *result = my_asnprintf (NULL, &length, "%ls %d", input, 99);
3648 ASSERT (errno == EILSEQ);
3653 static const wchar_t input[] = { (wchar_t) 1702057263, 114, 0 };
3655 char *result = my_asnprintf (NULL, &length, "%3ls %d", input, 99);
3657 ASSERT (errno == EILSEQ);
3662 static const wchar_t input[] = { (wchar_t) 1702057263, 114, 0 };
3664 char *result = my_asnprintf (NULL, &length, "%.1ls %d", input, 99);
3666 ASSERT (errno == EILSEQ);
3671 static const wchar_t input[] = { (wchar_t) 1702057263, 114, 0 };
3673 char *result = my_asnprintf (NULL, &length, "%3.1ls %d", input, 99);
3675 ASSERT (errno == EILSEQ);
3683 my_asnprintf (char *resultbuf, size_t *lengthp, const char *format, ...)
3688 va_start (args, format);
3689 ret = vasnprintf (resultbuf, lengthp, format, args);
3697 test_function (my_asnprintf);
3703 test_function (asnprintf);
3707 main (int argc, char *argv[])