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"
32 #include "minus-zero.h"
35 /* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0. */
39 static double plus_zero = 0.0;
40 double minus_zero = minus_zerod;
41 return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0;
44 /* Representation of an 80-bit 'long double' as an initializer for a sequence
45 of 'unsigned int' words. */
46 #ifdef WORDS_BIGENDIAN
47 # define LDBL80_WORDS(exponent,manthi,mantlo) \
48 { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \
49 ((unsigned int) (manthi) << 16) | (unsigned int) (mantlo) >> 16), \
50 (unsigned int) (mantlo) << 16 \
53 # define LDBL80_WORDS(exponent,manthi,mantlo) \
54 { mantlo, manthi, exponent }
58 strmatch (const char *pattern, const char *string)
60 if (strlen (pattern) != strlen (string))
62 for (; *pattern != '\0'; pattern++, string++)
63 if (*pattern != '*' && *string != *pattern)
68 /* Test whether string[start_index..end_index-1] is a valid textual
69 representation of NaN. */
71 strisnan (const char *string, size_t start_index, size_t end_index, int uppercase)
73 if (start_index < end_index)
75 if (string[start_index] == '-')
77 if (start_index + 3 <= end_index
78 && memcmp (string + start_index, uppercase ? "NAN" : "nan", 3) == 0)
81 if (start_index == end_index
82 || (string[start_index] == '(' && string[end_index - 1] == ')'))
90 test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
95 /* Test return value convention. */
97 for (size = 0; size <= 8; size++)
100 char *result = my_asnprintf (NULL, &length, "%d", 12345);
101 ASSERT (result != NULL);
102 ASSERT (strcmp (result, "12345") == 0);
103 ASSERT (length == 5);
107 for (size = 0; size <= 8; size++)
112 memcpy (buf, "DEADBEEF", 8);
114 result = my_asnprintf (buf, &length, "%d", 12345);
115 ASSERT (result != NULL);
116 ASSERT (strcmp (result, "12345") == 0);
117 ASSERT (length == 5);
119 ASSERT (result != buf);
120 ASSERT (memcmp (buf + size, "DEADBEEF" + size, 8 - size) == 0);
125 /* Test support of size specifiers as in C99. */
130 my_asnprintf (NULL, &length, "%ju %d", (uintmax_t) 12345671, 33, 44, 55);
131 ASSERT (result != NULL);
132 ASSERT (strcmp (result, "12345671 33") == 0);
133 ASSERT (length == strlen (result));
140 my_asnprintf (NULL, &length, "%zu %d", (size_t) 12345672, 33, 44, 55);
141 ASSERT (result != NULL);
142 ASSERT (strcmp (result, "12345672 33") == 0);
143 ASSERT (length == strlen (result));
150 my_asnprintf (NULL, &length, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55);
151 ASSERT (result != NULL);
152 ASSERT (strcmp (result, "12345673 33") == 0);
153 ASSERT (length == strlen (result));
160 my_asnprintf (NULL, &length, "%Lg %d", (long double) 1.5, 33, 44, 55);
161 ASSERT (result != NULL);
162 ASSERT (strcmp (result, "1.5 33") == 0);
163 ASSERT (length == strlen (result));
167 /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
168 output of floating-point numbers. */
170 { /* A positive number. */
173 my_asnprintf (NULL, &length, "%a %d", 3.1416015625, 33, 44, 55);
174 ASSERT (result != NULL);
175 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
176 || strcmp (result, "0x3.244p+0 33") == 0
177 || strcmp (result, "0x6.488p-1 33") == 0
178 || strcmp (result, "0xc.91p-2 33") == 0);
179 ASSERT (length == strlen (result));
183 { /* A negative number. */
186 my_asnprintf (NULL, &length, "%A %d", -3.1416015625, 33, 44, 55);
187 ASSERT (result != NULL);
188 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
189 || strcmp (result, "-0X3.244P+0 33") == 0
190 || strcmp (result, "-0X6.488P-1 33") == 0
191 || strcmp (result, "-0XC.91P-2 33") == 0);
192 ASSERT (length == strlen (result));
196 { /* Positive zero. */
199 my_asnprintf (NULL, &length, "%a %d", 0.0, 33, 44, 55);
200 ASSERT (result != NULL);
201 ASSERT (strcmp (result, "0x0p+0 33") == 0);
202 ASSERT (length == strlen (result));
206 { /* Negative zero. */
209 my_asnprintf (NULL, &length, "%a %d", minus_zerod, 33, 44, 55);
210 ASSERT (result != NULL);
211 if (have_minus_zero ())
212 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
213 ASSERT (length == strlen (result));
217 { /* Positive infinity. */
220 my_asnprintf (NULL, &length, "%a %d", 1.0 / 0.0, 33, 44, 55);
221 ASSERT (result != NULL);
222 ASSERT (strcmp (result, "inf 33") == 0);
223 ASSERT (length == strlen (result));
227 { /* Negative infinity. */
230 my_asnprintf (NULL, &length, "%a %d", -1.0 / 0.0, 33, 44, 55);
231 ASSERT (result != NULL);
232 ASSERT (strcmp (result, "-inf 33") == 0);
233 ASSERT (length == strlen (result));
240 my_asnprintf (NULL, &length, "%a %d", NaNd (), 33, 44, 55);
241 ASSERT (result != NULL);
242 ASSERT (strlen (result) >= 3 + 3
243 && strisnan (result, 0, strlen (result) - 3, 0)
244 && strcmp (result + strlen (result) - 3, " 33") == 0);
245 ASSERT (length == strlen (result));
249 { /* Rounding near the decimal point. */
252 my_asnprintf (NULL, &length, "%.0a %d", 1.5, 33, 44, 55);
253 ASSERT (result != NULL);
254 ASSERT (strcmp (result, "0x2p+0 33") == 0
255 || strcmp (result, "0x3p-1 33") == 0
256 || strcmp (result, "0x6p-2 33") == 0
257 || strcmp (result, "0xcp-3 33") == 0);
258 ASSERT (length == strlen (result));
262 { /* Rounding with precision 0. */
265 my_asnprintf (NULL, &length, "%.0a %d", 1.51, 33, 44, 55);
266 ASSERT (result != NULL);
267 ASSERT (strcmp (result, "0x2p+0 33") == 0
268 || strcmp (result, "0x3p-1 33") == 0
269 || strcmp (result, "0x6p-2 33") == 0
270 || strcmp (result, "0xcp-3 33") == 0);
271 ASSERT (length == strlen (result));
275 { /* Rounding with precision 1. */
278 my_asnprintf (NULL, &length, "%.1a %d", 1.51, 33, 44, 55);
279 ASSERT (result != NULL);
280 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
281 || strcmp (result, "0x3.0p-1 33") == 0
282 || strcmp (result, "0x6.1p-2 33") == 0
283 || strcmp (result, "0xc.1p-3 33") == 0);
284 ASSERT (length == strlen (result));
288 { /* Rounding with precision 2. */
291 my_asnprintf (NULL, &length, "%.2a %d", 1.51, 33, 44, 55);
292 ASSERT (result != NULL);
293 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
294 || strcmp (result, "0x3.05p-1 33") == 0
295 || strcmp (result, "0x6.0ap-2 33") == 0
296 || strcmp (result, "0xc.14p-3 33") == 0);
297 ASSERT (length == strlen (result));
301 { /* Rounding with precision 3. */
304 my_asnprintf (NULL, &length, "%.3a %d", 1.51, 33, 44, 55);
305 ASSERT (result != NULL);
306 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
307 || strcmp (result, "0x3.052p-1 33") == 0
308 || strcmp (result, "0x6.0a4p-2 33") == 0
309 || strcmp (result, "0xc.148p-3 33") == 0);
310 ASSERT (length == strlen (result));
314 { /* Rounding can turn a ...FFF into a ...000. */
317 my_asnprintf (NULL, &length, "%.3a %d", 1.49999, 33, 44, 55);
318 ASSERT (result != NULL);
319 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
320 || strcmp (result, "0x3.000p-1 33") == 0
321 || strcmp (result, "0x6.000p-2 33") == 0
322 || strcmp (result, "0xc.000p-3 33") == 0);
323 ASSERT (length == strlen (result));
327 { /* Rounding can turn a ...FFF into a ...000.
328 This shows a MacOS X 10.3.9 (Darwin 7.9) bug. */
331 my_asnprintf (NULL, &length, "%.1a %d", 1.999, 33, 44, 55);
332 ASSERT (result != NULL);
333 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
334 || strcmp (result, "0x2.0p+0 33") == 0
335 || strcmp (result, "0x4.0p-1 33") == 0
336 || strcmp (result, "0x8.0p-2 33") == 0);
337 ASSERT (length == strlen (result));
344 my_asnprintf (NULL, &length, "%10a %d", 1.75, 33, 44, 55);
345 ASSERT (result != NULL);
346 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
347 || strcmp (result, " 0x3.8p-1 33") == 0
348 || strcmp (result, " 0x7p-2 33") == 0
349 || strcmp (result, " 0xep-3 33") == 0);
350 ASSERT (length == strlen (result));
354 { /* Small precision. */
357 my_asnprintf (NULL, &length, "%.10a %d", 1.75, 33, 44, 55);
358 ASSERT (result != NULL);
359 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
360 || strcmp (result, "0x3.8000000000p-1 33") == 0
361 || strcmp (result, "0x7.0000000000p-2 33") == 0
362 || strcmp (result, "0xe.0000000000p-3 33") == 0);
363 ASSERT (length == strlen (result));
367 { /* Large precision. */
370 my_asnprintf (NULL, &length, "%.50a %d", 1.75, 33, 44, 55);
371 ASSERT (result != NULL);
372 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
373 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
374 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
375 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
376 ASSERT (length == strlen (result));
383 my_asnprintf (NULL, &length, "%-10a %d", 1.75, 33, 44, 55);
384 ASSERT (result != NULL);
385 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
386 || strcmp (result, "0x3.8p-1 33") == 0
387 || strcmp (result, "0x7p-2 33") == 0
388 || strcmp (result, "0xep-3 33") == 0);
389 ASSERT (length == strlen (result));
393 { /* FLAG_SHOWSIGN. */
396 my_asnprintf (NULL, &length, "%+a %d", 1.75, 33, 44, 55);
397 ASSERT (result != NULL);
398 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
399 || strcmp (result, "+0x3.8p-1 33") == 0
400 || strcmp (result, "+0x7p-2 33") == 0
401 || strcmp (result, "+0xep-3 33") == 0);
402 ASSERT (length == strlen (result));
409 my_asnprintf (NULL, &length, "% a %d", 1.75, 33, 44, 55);
410 ASSERT (result != NULL);
411 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
412 || strcmp (result, " 0x3.8p-1 33") == 0
413 || strcmp (result, " 0x7p-2 33") == 0
414 || strcmp (result, " 0xep-3 33") == 0);
415 ASSERT (length == strlen (result));
422 my_asnprintf (NULL, &length, "%#a %d", 1.75, 33, 44, 55);
423 ASSERT (result != NULL);
424 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
425 || strcmp (result, "0x3.8p-1 33") == 0
426 || strcmp (result, "0x7.p-2 33") == 0
427 || strcmp (result, "0xe.p-3 33") == 0);
428 ASSERT (length == strlen (result));
435 my_asnprintf (NULL, &length, "%#a %d", 1.0, 33, 44, 55);
436 ASSERT (result != NULL);
437 ASSERT (strcmp (result, "0x1.p+0 33") == 0
438 || strcmp (result, "0x2.p-1 33") == 0
439 || strcmp (result, "0x4.p-2 33") == 0
440 || strcmp (result, "0x8.p-3 33") == 0);
441 ASSERT (length == strlen (result));
445 { /* FLAG_ZERO with finite number. */
448 my_asnprintf (NULL, &length, "%010a %d", 1.75, 33, 44, 55);
449 ASSERT (result != NULL);
450 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
451 || strcmp (result, "0x003.8p-1 33") == 0
452 || strcmp (result, "0x00007p-2 33") == 0
453 || strcmp (result, "0x0000ep-3 33") == 0);
454 ASSERT (length == strlen (result));
458 { /* FLAG_ZERO with infinite number. */
461 my_asnprintf (NULL, &length, "%010a %d", 1.0 / 0.0, 33, 44, 55);
462 ASSERT (result != NULL);
463 /* "0000000inf 33" is not a valid result; see
464 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
465 ASSERT (strcmp (result, " inf 33") == 0);
466 ASSERT (length == strlen (result));
470 { /* FLAG_ZERO with NaN. */
473 my_asnprintf (NULL, &length, "%050a %d", NaNd (), 33, 44, 55);
474 ASSERT (result != NULL);
475 /* "0000000nan 33" is not a valid result; see
476 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
477 ASSERT (strlen (result) == 50 + 3
478 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
479 && strcmp (result + strlen (result) - 3, " 33") == 0);
480 ASSERT (length == strlen (result));
484 { /* A positive number. */
487 my_asnprintf (NULL, &length, "%La %d", 3.1416015625L, 33, 44, 55);
488 ASSERT (result != NULL);
489 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
490 || strcmp (result, "0x3.244p+0 33") == 0
491 || strcmp (result, "0x6.488p-1 33") == 0
492 || strcmp (result, "0xc.91p-2 33") == 0);
493 ASSERT (length == strlen (result));
497 { /* A negative number. */
500 my_asnprintf (NULL, &length, "%LA %d", -3.1416015625L, 33, 44, 55);
501 ASSERT (result != NULL);
502 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
503 || strcmp (result, "-0X3.244P+0 33") == 0
504 || strcmp (result, "-0X6.488P-1 33") == 0
505 || strcmp (result, "-0XC.91P-2 33") == 0);
506 ASSERT (length == strlen (result));
510 { /* Positive zero. */
513 my_asnprintf (NULL, &length, "%La %d", 0.0L, 33, 44, 55);
514 ASSERT (result != NULL);
515 ASSERT (strcmp (result, "0x0p+0 33") == 0);
516 ASSERT (length == strlen (result));
520 { /* Negative zero. */
523 my_asnprintf (NULL, &length, "%La %d", minus_zerol, 33, 44, 55);
524 ASSERT (result != NULL);
525 if (have_minus_zero ())
526 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
527 ASSERT (length == strlen (result));
531 { /* Positive infinity. */
534 my_asnprintf (NULL, &length, "%La %d", 1.0L / 0.0L, 33, 44, 55);
535 ASSERT (result != NULL);
536 ASSERT (strcmp (result, "inf 33") == 0);
537 ASSERT (length == strlen (result));
541 { /* Negative infinity. */
544 my_asnprintf (NULL, &length, "%La %d", -1.0L / 0.0L, 33, 44, 55);
545 ASSERT (result != NULL);
546 ASSERT (strcmp (result, "-inf 33") == 0);
547 ASSERT (length == strlen (result));
554 my_asnprintf (NULL, &length, "%La %d", NaNl (), 33, 44, 55);
555 ASSERT (result != NULL);
556 ASSERT (strlen (result) >= 3 + 3
557 && strisnan (result, 0, strlen (result) - 3, 0)
558 && strcmp (result + strlen (result) - 3, " 33") == 0);
559 ASSERT (length == strlen (result));
562 #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_))
564 static union { unsigned int word[4]; long double value; } x =
565 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
568 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
569 ASSERT (result != NULL);
570 ASSERT (strlen (result) >= 3 + 3
571 && strisnan (result, 0, strlen (result) - 3, 0)
572 && strcmp (result + strlen (result) - 3, " 33") == 0);
573 ASSERT (length == strlen (result));
577 /* Signalling NaN. */
578 static union { unsigned int word[4]; long double value; } x =
579 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
582 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
583 ASSERT (result != NULL);
584 ASSERT (strlen (result) >= 3 + 3
585 && strisnan (result, 0, strlen (result) - 3, 0)
586 && strcmp (result + strlen (result) - 3, " 33") == 0);
587 ASSERT (length == strlen (result));
590 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
591 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
592 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
593 Application Architecture.
594 Table 5-2 "Floating-Point Register Encodings"
595 Figure 5-6 "Memory to Floating-Point Register Data Translation"
598 static union { unsigned int word[4]; long double value; } x =
599 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
602 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
603 ASSERT (result != NULL);
604 ASSERT (strlen (result) >= 3 + 3
605 && strisnan (result, 0, strlen (result) - 3, 0)
606 && strcmp (result + strlen (result) - 3, " 33") == 0);
607 ASSERT (length == strlen (result));
610 { /* Pseudo-Infinity. */
611 static union { unsigned int word[4]; long double value; } x =
612 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
615 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
616 ASSERT (result != NULL);
617 ASSERT (strlen (result) >= 3 + 3
618 && strisnan (result, 0, strlen (result) - 3, 0)
619 && strcmp (result + strlen (result) - 3, " 33") == 0);
620 ASSERT (length == strlen (result));
624 static union { unsigned int word[4]; long double value; } x =
625 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
628 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
629 ASSERT (result != NULL);
630 ASSERT (strlen (result) >= 3 + 3
631 && strisnan (result, 0, strlen (result) - 3, 0)
632 && strcmp (result + strlen (result) - 3, " 33") == 0);
633 ASSERT (length == strlen (result));
636 { /* Unnormalized number. */
637 static union { unsigned int word[4]; long double value; } x =
638 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
641 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
642 ASSERT (result != NULL);
643 ASSERT (strlen (result) >= 3 + 3
644 && strisnan (result, 0, strlen (result) - 3, 0)
645 && strcmp (result + strlen (result) - 3, " 33") == 0);
646 ASSERT (length == strlen (result));
649 { /* Pseudo-Denormal. */
650 static union { unsigned int word[4]; long double value; } x =
651 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
654 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
655 ASSERT (result != NULL);
656 ASSERT (strlen (result) >= 3 + 3
657 && strisnan (result, 0, strlen (result) - 3, 0)
658 && strcmp (result + strlen (result) - 3, " 33") == 0);
659 ASSERT (length == strlen (result));
664 { /* Rounding near the decimal point. */
667 my_asnprintf (NULL, &length, "%.0La %d", 1.5L, 33, 44, 55);
668 ASSERT (result != NULL);
669 ASSERT (strcmp (result, "0x2p+0 33") == 0
670 || strcmp (result, "0x3p-1 33") == 0
671 || strcmp (result, "0x6p-2 33") == 0
672 || strcmp (result, "0xcp-3 33") == 0);
673 ASSERT (length == strlen (result));
677 { /* Rounding with precision 0. */
680 my_asnprintf (NULL, &length, "%.0La %d", 1.51L, 33, 44, 55);
681 ASSERT (result != NULL);
682 ASSERT (strcmp (result, "0x2p+0 33") == 0
683 || strcmp (result, "0x3p-1 33") == 0
684 || strcmp (result, "0x6p-2 33") == 0
685 || strcmp (result, "0xcp-3 33") == 0);
686 ASSERT (length == strlen (result));
690 { /* Rounding with precision 1. */
693 my_asnprintf (NULL, &length, "%.1La %d", 1.51L, 33, 44, 55);
694 ASSERT (result != NULL);
695 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
696 || strcmp (result, "0x3.0p-1 33") == 0
697 || strcmp (result, "0x6.1p-2 33") == 0
698 || strcmp (result, "0xc.1p-3 33") == 0);
699 ASSERT (length == strlen (result));
703 { /* Rounding with precision 2. */
706 my_asnprintf (NULL, &length, "%.2La %d", 1.51L, 33, 44, 55);
707 ASSERT (result != NULL);
708 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
709 || strcmp (result, "0x3.05p-1 33") == 0
710 || strcmp (result, "0x6.0ap-2 33") == 0
711 || strcmp (result, "0xc.14p-3 33") == 0);
712 ASSERT (length == strlen (result));
716 { /* Rounding with precision 3. */
719 my_asnprintf (NULL, &length, "%.3La %d", 1.51L, 33, 44, 55);
720 ASSERT (result != NULL);
721 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
722 || strcmp (result, "0x3.052p-1 33") == 0
723 || strcmp (result, "0x6.0a4p-2 33") == 0
724 || strcmp (result, "0xc.148p-3 33") == 0);
725 ASSERT (length == strlen (result));
729 { /* Rounding can turn a ...FFF into a ...000. */
732 my_asnprintf (NULL, &length, "%.3La %d", 1.49999L, 33, 44, 55);
733 ASSERT (result != NULL);
734 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
735 || strcmp (result, "0x3.000p-1 33") == 0
736 || strcmp (result, "0x6.000p-2 33") == 0
737 || strcmp (result, "0xc.000p-3 33") == 0);
738 ASSERT (length == strlen (result));
742 { /* Rounding can turn a ...FFF into a ...000.
743 This shows a MacOS X 10.3.9 (Darwin 7.9) bug and a
744 glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
747 my_asnprintf (NULL, &length, "%.1La %d", 1.999L, 33, 44, 55);
748 ASSERT (result != NULL);
749 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
750 || strcmp (result, "0x2.0p+0 33") == 0
751 || strcmp (result, "0x4.0p-1 33") == 0
752 || strcmp (result, "0x8.0p-2 33") == 0);
753 ASSERT (length == strlen (result));
760 my_asnprintf (NULL, &length, "%10La %d", 1.75L, 33, 44, 55);
761 ASSERT (result != NULL);
762 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
763 || strcmp (result, " 0x3.8p-1 33") == 0
764 || strcmp (result, " 0x7p-2 33") == 0
765 || strcmp (result, " 0xep-3 33") == 0);
766 ASSERT (length == strlen (result));
770 { /* Small precision. */
773 my_asnprintf (NULL, &length, "%.10La %d", 1.75L, 33, 44, 55);
774 ASSERT (result != NULL);
775 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
776 || strcmp (result, "0x3.8000000000p-1 33") == 0
777 || strcmp (result, "0x7.0000000000p-2 33") == 0
778 || strcmp (result, "0xe.0000000000p-3 33") == 0);
779 ASSERT (length == strlen (result));
783 { /* Large precision. */
786 my_asnprintf (NULL, &length, "%.50La %d", 1.75L, 33, 44, 55);
787 ASSERT (result != NULL);
788 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
789 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
790 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
791 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
792 ASSERT (length == strlen (result));
799 my_asnprintf (NULL, &length, "%-10La %d", 1.75L, 33, 44, 55);
800 ASSERT (result != NULL);
801 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
802 || strcmp (result, "0x3.8p-1 33") == 0
803 || strcmp (result, "0x7p-2 33") == 0
804 || strcmp (result, "0xep-3 33") == 0);
805 ASSERT (length == strlen (result));
809 { /* FLAG_SHOWSIGN. */
812 my_asnprintf (NULL, &length, "%+La %d", 1.75L, 33, 44, 55);
813 ASSERT (result != NULL);
814 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
815 || strcmp (result, "+0x3.8p-1 33") == 0
816 || strcmp (result, "+0x7p-2 33") == 0
817 || strcmp (result, "+0xep-3 33") == 0);
818 ASSERT (length == strlen (result));
825 my_asnprintf (NULL, &length, "% La %d", 1.75L, 33, 44, 55);
826 ASSERT (result != NULL);
827 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
828 || strcmp (result, " 0x3.8p-1 33") == 0
829 || strcmp (result, " 0x7p-2 33") == 0
830 || strcmp (result, " 0xep-3 33") == 0);
831 ASSERT (length == strlen (result));
838 my_asnprintf (NULL, &length, "%#La %d", 1.75L, 33, 44, 55);
839 ASSERT (result != NULL);
840 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
841 || strcmp (result, "0x3.8p-1 33") == 0
842 || strcmp (result, "0x7.p-2 33") == 0
843 || strcmp (result, "0xe.p-3 33") == 0);
844 ASSERT (length == strlen (result));
851 my_asnprintf (NULL, &length, "%#La %d", 1.0L, 33, 44, 55);
852 ASSERT (result != NULL);
853 ASSERT (strcmp (result, "0x1.p+0 33") == 0
854 || strcmp (result, "0x2.p-1 33") == 0
855 || strcmp (result, "0x4.p-2 33") == 0
856 || strcmp (result, "0x8.p-3 33") == 0);
857 ASSERT (length == strlen (result));
861 { /* FLAG_ZERO with finite number. */
864 my_asnprintf (NULL, &length, "%010La %d", 1.75L, 33, 44, 55);
865 ASSERT (result != NULL);
866 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
867 || strcmp (result, "0x003.8p-1 33") == 0
868 || strcmp (result, "0x00007p-2 33") == 0
869 || strcmp (result, "0x0000ep-3 33") == 0);
870 ASSERT (length == strlen (result));
874 { /* FLAG_ZERO with infinite number. */
877 my_asnprintf (NULL, &length, "%010La %d", 1.0L / 0.0L, 33, 44, 55);
878 ASSERT (result != NULL);
879 /* "0000000inf 33" is not a valid result; see
880 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
881 ASSERT (strcmp (result, " inf 33") == 0);
882 ASSERT (length == strlen (result));
886 { /* FLAG_ZERO with NaN. */
889 my_asnprintf (NULL, &length, "%050La %d", NaNl (), 33, 44, 55);
890 ASSERT (result != NULL);
891 /* "0000000nan 33" is not a valid result; see
892 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
893 ASSERT (strlen (result) == 50 + 3
894 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
895 && strcmp (result + strlen (result) - 3, " 33") == 0);
896 ASSERT (length == strlen (result));
900 /* Test the support of the %f format directive. */
902 { /* A positive number. */
905 my_asnprintf (NULL, &length, "%f %d", 12.75, 33, 44, 55);
906 ASSERT (result != NULL);
907 ASSERT (strcmp (result, "12.750000 33") == 0);
908 ASSERT (length == strlen (result));
912 { /* A larger positive number. */
915 my_asnprintf (NULL, &length, "%f %d", 1234567.0, 33, 44, 55);
916 ASSERT (result != NULL);
917 ASSERT (strcmp (result, "1234567.000000 33") == 0);
918 ASSERT (length == strlen (result));
922 { /* Small and large positive numbers. */
923 static struct { double value; const char *string; } data[] =
925 { 1.234321234321234e-37, "0.000000" },
926 { 1.234321234321234e-36, "0.000000" },
927 { 1.234321234321234e-35, "0.000000" },
928 { 1.234321234321234e-34, "0.000000" },
929 { 1.234321234321234e-33, "0.000000" },
930 { 1.234321234321234e-32, "0.000000" },
931 { 1.234321234321234e-31, "0.000000" },
932 { 1.234321234321234e-30, "0.000000" },
933 { 1.234321234321234e-29, "0.000000" },
934 { 1.234321234321234e-28, "0.000000" },
935 { 1.234321234321234e-27, "0.000000" },
936 { 1.234321234321234e-26, "0.000000" },
937 { 1.234321234321234e-25, "0.000000" },
938 { 1.234321234321234e-24, "0.000000" },
939 { 1.234321234321234e-23, "0.000000" },
940 { 1.234321234321234e-22, "0.000000" },
941 { 1.234321234321234e-21, "0.000000" },
942 { 1.234321234321234e-20, "0.000000" },
943 { 1.234321234321234e-19, "0.000000" },
944 { 1.234321234321234e-18, "0.000000" },
945 { 1.234321234321234e-17, "0.000000" },
946 { 1.234321234321234e-16, "0.000000" },
947 { 1.234321234321234e-15, "0.000000" },
948 { 1.234321234321234e-14, "0.000000" },
949 { 1.234321234321234e-13, "0.000000" },
950 { 1.234321234321234e-12, "0.000000" },
951 { 1.234321234321234e-11, "0.000000" },
952 { 1.234321234321234e-10, "0.000000" },
953 { 1.234321234321234e-9, "0.000000" },
954 { 1.234321234321234e-8, "0.000000" },
955 { 1.234321234321234e-7, "0.000000" },
956 { 1.234321234321234e-6, "0.000001" },
957 { 1.234321234321234e-5, "0.000012" },
958 { 1.234321234321234e-4, "0.000123" },
959 { 1.234321234321234e-3, "0.001234" },
960 { 1.234321234321234e-2, "0.012343" },
961 { 1.234321234321234e-1, "0.123432" },
962 { 1.234321234321234, "1.234321" },
963 { 1.234321234321234e1, "12.343212" },
964 { 1.234321234321234e2, "123.432123" },
965 { 1.234321234321234e3, "1234.321234" },
966 { 1.234321234321234e4, "12343.212343" },
967 { 1.234321234321234e5, "123432.123432" },
968 { 1.234321234321234e6, "1234321.234321" },
969 { 1.234321234321234e7, "12343212.343212" },
970 { 1.234321234321234e8, "123432123.432123" },
971 { 1.234321234321234e9, "1234321234.321234" },
972 { 1.234321234321234e10, "12343212343.2123**" },
973 { 1.234321234321234e11, "123432123432.123***" },
974 { 1.234321234321234e12, "1234321234321.23****" },
975 { 1.234321234321234e13, "12343212343212.3*****" },
976 { 1.234321234321234e14, "123432123432123.******" },
977 { 1.234321234321234e15, "1234321234321234.000000" },
978 { 1.234321234321234e16, "123432123432123**.000000" },
979 { 1.234321234321234e17, "123432123432123***.000000" },
980 { 1.234321234321234e18, "123432123432123****.000000" },
981 { 1.234321234321234e19, "123432123432123*****.000000" },
982 { 1.234321234321234e20, "123432123432123******.000000" },
983 { 1.234321234321234e21, "123432123432123*******.000000" },
984 { 1.234321234321234e22, "123432123432123********.000000" },
985 { 1.234321234321234e23, "123432123432123*********.000000" },
986 { 1.234321234321234e24, "123432123432123**********.000000" },
987 { 1.234321234321234e25, "123432123432123***********.000000" },
988 { 1.234321234321234e26, "123432123432123************.000000" },
989 { 1.234321234321234e27, "123432123432123*************.000000" },
990 { 1.234321234321234e28, "123432123432123**************.000000" },
991 { 1.234321234321234e29, "123432123432123***************.000000" },
992 { 1.234321234321234e30, "123432123432123****************.000000" },
993 { 1.234321234321234e31, "123432123432123*****************.000000" },
994 { 1.234321234321234e32, "123432123432123******************.000000" },
995 { 1.234321234321234e33, "123432123432123*******************.000000" },
996 { 1.234321234321234e34, "123432123432123********************.000000" },
997 { 1.234321234321234e35, "123432123432123*********************.000000" },
998 { 1.234321234321234e36, "123432123432123**********************.000000" }
1001 for (k = 0; k < SIZEOF (data); k++)
1005 my_asnprintf (NULL, &length, "%f", data[k].value);
1006 ASSERT (result != NULL);
1007 ASSERT (strmatch (data[k].string, result));
1008 ASSERT (length == strlen (result));
1013 { /* A negative number. */
1016 my_asnprintf (NULL, &length, "%f %d", -0.03125, 33, 44, 55);
1017 ASSERT (result != NULL);
1018 ASSERT (strcmp (result, "-0.031250 33") == 0);
1019 ASSERT (length == strlen (result));
1023 { /* Positive zero. */
1026 my_asnprintf (NULL, &length, "%f %d", 0.0, 33, 44, 55);
1027 ASSERT (result != NULL);
1028 ASSERT (strcmp (result, "0.000000 33") == 0);
1029 ASSERT (length == strlen (result));
1033 { /* Negative zero. */
1036 my_asnprintf (NULL, &length, "%f %d", minus_zerod, 33, 44, 55);
1037 ASSERT (result != NULL);
1038 if (have_minus_zero ())
1039 ASSERT (strcmp (result, "-0.000000 33") == 0);
1040 ASSERT (length == strlen (result));
1044 { /* Positive infinity. */
1047 my_asnprintf (NULL, &length, "%f %d", 1.0 / 0.0, 33, 44, 55);
1048 ASSERT (result != NULL);
1049 ASSERT (strcmp (result, "inf 33") == 0
1050 || strcmp (result, "infinity 33") == 0);
1051 ASSERT (length == strlen (result));
1055 { /* Negative infinity. */
1058 my_asnprintf (NULL, &length, "%f %d", -1.0 / 0.0, 33, 44, 55);
1059 ASSERT (result != NULL);
1060 ASSERT (strcmp (result, "-inf 33") == 0
1061 || strcmp (result, "-infinity 33") == 0);
1062 ASSERT (length == strlen (result));
1069 my_asnprintf (NULL, &length, "%f %d", NaNd (), 33, 44, 55);
1070 ASSERT (result != NULL);
1071 ASSERT (strlen (result) >= 3 + 3
1072 && strisnan (result, 0, strlen (result) - 3, 0)
1073 && strcmp (result + strlen (result) - 3, " 33") == 0);
1074 ASSERT (length == strlen (result));
1081 my_asnprintf (NULL, &length, "%10f %d", 1.75, 33, 44, 55);
1082 ASSERT (result != NULL);
1083 ASSERT (strcmp (result, " 1.750000 33") == 0);
1084 ASSERT (length == strlen (result));
1091 my_asnprintf (NULL, &length, "%-10f %d", 1.75, 33, 44, 55);
1092 ASSERT (result != NULL);
1093 ASSERT (strcmp (result, "1.750000 33") == 0);
1094 ASSERT (length == strlen (result));
1098 { /* FLAG_SHOWSIGN. */
1101 my_asnprintf (NULL, &length, "%+f %d", 1.75, 33, 44, 55);
1102 ASSERT (result != NULL);
1103 ASSERT (strcmp (result, "+1.750000 33") == 0);
1104 ASSERT (length == strlen (result));
1111 my_asnprintf (NULL, &length, "% f %d", 1.75, 33, 44, 55);
1112 ASSERT (result != NULL);
1113 ASSERT (strcmp (result, " 1.750000 33") == 0);
1114 ASSERT (length == strlen (result));
1121 my_asnprintf (NULL, &length, "%#f %d", 1.75, 33, 44, 55);
1122 ASSERT (result != NULL);
1123 ASSERT (strcmp (result, "1.750000 33") == 0);
1124 ASSERT (length == strlen (result));
1131 my_asnprintf (NULL, &length, "%#.f %d", 1.75, 33, 44, 55);
1132 ASSERT (result != NULL);
1133 ASSERT (strcmp (result, "2. 33") == 0);
1134 ASSERT (length == strlen (result));
1138 { /* FLAG_ZERO with finite number. */
1141 my_asnprintf (NULL, &length, "%015f %d", 1234.0, 33, 44, 55);
1142 ASSERT (result != NULL);
1143 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1144 ASSERT (length == strlen (result));
1148 { /* FLAG_ZERO with infinite number. */
1151 my_asnprintf (NULL, &length, "%015f %d", -1.0 / 0.0, 33, 44, 55);
1152 ASSERT (result != NULL);
1153 ASSERT (strcmp (result, " -inf 33") == 0
1154 || strcmp (result, " -infinity 33") == 0);
1155 ASSERT (length == strlen (result));
1159 { /* FLAG_ZERO with NaN. */
1162 my_asnprintf (NULL, &length, "%050f %d", NaNd (), 33, 44, 55);
1163 ASSERT (result != NULL);
1164 ASSERT (strlen (result) == 50 + 3
1165 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1166 && strcmp (result + strlen (result) - 3, " 33") == 0);
1167 ASSERT (length == strlen (result));
1174 my_asnprintf (NULL, &length, "%.f %d", 1234.0, 33, 44, 55);
1175 ASSERT (result != NULL);
1176 ASSERT (strcmp (result, "1234 33") == 0);
1177 ASSERT (length == strlen (result));
1181 { /* Precision with no rounding. */
1184 my_asnprintf (NULL, &length, "%.2f %d", 999.951, 33, 44, 55);
1185 ASSERT (result != NULL);
1186 ASSERT (strcmp (result, "999.95 33") == 0);
1187 ASSERT (length == strlen (result));
1191 { /* Precision with rounding. */
1194 my_asnprintf (NULL, &length, "%.2f %d", 999.996, 33, 44, 55);
1195 ASSERT (result != NULL);
1196 ASSERT (strcmp (result, "1000.00 33") == 0);
1197 ASSERT (length == strlen (result));
1201 { /* A positive number. */
1204 my_asnprintf (NULL, &length, "%Lf %d", 12.75L, 33, 44, 55);
1205 ASSERT (result != NULL);
1206 ASSERT (strcmp (result, "12.750000 33") == 0);
1207 ASSERT (length == strlen (result));
1211 { /* A larger positive number. */
1214 my_asnprintf (NULL, &length, "%Lf %d", 1234567.0L, 33, 44, 55);
1215 ASSERT (result != NULL);
1216 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1217 ASSERT (length == strlen (result));
1221 { /* Small and large positive numbers. */
1222 static struct { long double value; const char *string; } data[] =
1224 { 1.234321234321234e-37L, "0.000000" },
1225 { 1.234321234321234e-36L, "0.000000" },
1226 { 1.234321234321234e-35L, "0.000000" },
1227 { 1.234321234321234e-34L, "0.000000" },
1228 { 1.234321234321234e-33L, "0.000000" },
1229 { 1.234321234321234e-32L, "0.000000" },
1230 { 1.234321234321234e-31L, "0.000000" },
1231 { 1.234321234321234e-30L, "0.000000" },
1232 { 1.234321234321234e-29L, "0.000000" },
1233 { 1.234321234321234e-28L, "0.000000" },
1234 { 1.234321234321234e-27L, "0.000000" },
1235 { 1.234321234321234e-26L, "0.000000" },
1236 { 1.234321234321234e-25L, "0.000000" },
1237 { 1.234321234321234e-24L, "0.000000" },
1238 { 1.234321234321234e-23L, "0.000000" },
1239 { 1.234321234321234e-22L, "0.000000" },
1240 { 1.234321234321234e-21L, "0.000000" },
1241 { 1.234321234321234e-20L, "0.000000" },
1242 { 1.234321234321234e-19L, "0.000000" },
1243 { 1.234321234321234e-18L, "0.000000" },
1244 { 1.234321234321234e-17L, "0.000000" },
1245 { 1.234321234321234e-16L, "0.000000" },
1246 { 1.234321234321234e-15L, "0.000000" },
1247 { 1.234321234321234e-14L, "0.000000" },
1248 { 1.234321234321234e-13L, "0.000000" },
1249 { 1.234321234321234e-12L, "0.000000" },
1250 { 1.234321234321234e-11L, "0.000000" },
1251 { 1.234321234321234e-10L, "0.000000" },
1252 { 1.234321234321234e-9L, "0.000000" },
1253 { 1.234321234321234e-8L, "0.000000" },
1254 { 1.234321234321234e-7L, "0.000000" },
1255 { 1.234321234321234e-6L, "0.000001" },
1256 { 1.234321234321234e-5L, "0.000012" },
1257 { 1.234321234321234e-4L, "0.000123" },
1258 { 1.234321234321234e-3L, "0.001234" },
1259 { 1.234321234321234e-2L, "0.012343" },
1260 { 1.234321234321234e-1L, "0.123432" },
1261 { 1.234321234321234L, "1.234321" },
1262 { 1.234321234321234e1L, "12.343212" },
1263 { 1.234321234321234e2L, "123.432123" },
1264 { 1.234321234321234e3L, "1234.321234" },
1265 { 1.234321234321234e4L, "12343.212343" },
1266 { 1.234321234321234e5L, "123432.123432" },
1267 { 1.234321234321234e6L, "1234321.234321" },
1268 { 1.234321234321234e7L, "12343212.343212" },
1269 { 1.234321234321234e8L, "123432123.432123" },
1270 { 1.234321234321234e9L, "1234321234.321234" },
1271 { 1.234321234321234e10L, "12343212343.2123**" },
1272 { 1.234321234321234e11L, "123432123432.123***" },
1273 { 1.234321234321234e12L, "1234321234321.23****" },
1274 { 1.234321234321234e13L, "12343212343212.3*****" },
1275 { 1.234321234321234e14L, "123432123432123.******" },
1276 { 1.234321234321234e15L, "1234321234321234.000000" },
1277 { 1.234321234321234e16L, "123432123432123**.000000" },
1278 { 1.234321234321234e17L, "123432123432123***.000000" },
1279 { 1.234321234321234e18L, "123432123432123****.000000" },
1280 { 1.234321234321234e19L, "123432123432123*****.000000" },
1281 { 1.234321234321234e20L, "123432123432123******.000000" },
1282 { 1.234321234321234e21L, "123432123432123*******.000000" },
1283 { 1.234321234321234e22L, "123432123432123********.000000" },
1284 { 1.234321234321234e23L, "123432123432123*********.000000" },
1285 { 1.234321234321234e24L, "123432123432123**********.000000" },
1286 { 1.234321234321234e25L, "123432123432123***********.000000" },
1287 { 1.234321234321234e26L, "123432123432123************.000000" },
1288 { 1.234321234321234e27L, "123432123432123*************.000000" },
1289 { 1.234321234321234e28L, "123432123432123**************.000000" },
1290 { 1.234321234321234e29L, "123432123432123***************.000000" },
1291 { 1.234321234321234e30L, "123432123432123****************.000000" },
1292 { 1.234321234321234e31L, "123432123432123*****************.000000" },
1293 { 1.234321234321234e32L, "123432123432123******************.000000" },
1294 { 1.234321234321234e33L, "123432123432123*******************.000000" },
1295 { 1.234321234321234e34L, "123432123432123********************.000000" },
1296 { 1.234321234321234e35L, "123432123432123*********************.000000" },
1297 { 1.234321234321234e36L, "123432123432123**********************.000000" }
1300 for (k = 0; k < SIZEOF (data); k++)
1304 my_asnprintf (NULL, &length, "%Lf", data[k].value);
1305 ASSERT (result != NULL);
1306 ASSERT (strmatch (data[k].string, result));
1307 ASSERT (length == strlen (result));
1312 { /* A negative number. */
1315 my_asnprintf (NULL, &length, "%Lf %d", -0.03125L, 33, 44, 55);
1316 ASSERT (result != NULL);
1317 ASSERT (strcmp (result, "-0.031250 33") == 0);
1318 ASSERT (length == strlen (result));
1322 { /* Positive zero. */
1325 my_asnprintf (NULL, &length, "%Lf %d", 0.0L, 33, 44, 55);
1326 ASSERT (result != NULL);
1327 ASSERT (strcmp (result, "0.000000 33") == 0);
1328 ASSERT (length == strlen (result));
1332 { /* Negative zero. */
1335 my_asnprintf (NULL, &length, "%Lf %d", minus_zerol, 33, 44, 55);
1336 ASSERT (result != NULL);
1337 if (have_minus_zero ())
1338 ASSERT (strcmp (result, "-0.000000 33") == 0);
1339 ASSERT (length == strlen (result));
1343 { /* Positive infinity. */
1346 my_asnprintf (NULL, &length, "%Lf %d", 1.0L / 0.0L, 33, 44, 55);
1347 ASSERT (result != NULL);
1348 ASSERT (strcmp (result, "inf 33") == 0
1349 || strcmp (result, "infinity 33") == 0);
1350 ASSERT (length == strlen (result));
1354 { /* Negative infinity. */
1357 my_asnprintf (NULL, &length, "%Lf %d", -1.0L / 0.0L, 33, 44, 55);
1358 ASSERT (result != NULL);
1359 ASSERT (strcmp (result, "-inf 33") == 0
1360 || strcmp (result, "-infinity 33") == 0);
1361 ASSERT (length == strlen (result));
1368 my_asnprintf (NULL, &length, "%Lf %d", NaNl (), 33, 44, 55);
1369 ASSERT (result != NULL);
1370 ASSERT (strlen (result) >= 3 + 3
1371 && strisnan (result, 0, strlen (result) - 3, 0)
1372 && strcmp (result + strlen (result) - 3, " 33") == 0);
1373 ASSERT (length == strlen (result));
1376 #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_))
1378 static union { unsigned int word[4]; long double value; } x =
1379 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
1382 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1383 ASSERT (result != NULL);
1384 ASSERT (strlen (result) >= 3 + 3
1385 && strisnan (result, 0, strlen (result) - 3, 0)
1386 && strcmp (result + strlen (result) - 3, " 33") == 0);
1387 ASSERT (length == strlen (result));
1391 /* Signalling NaN. */
1392 static union { unsigned int word[4]; long double value; } x =
1393 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
1396 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1397 ASSERT (result != NULL);
1398 ASSERT (strlen (result) >= 3 + 3
1399 && strisnan (result, 0, strlen (result) - 3, 0)
1400 && strcmp (result + strlen (result) - 3, " 33") == 0);
1401 ASSERT (length == strlen (result));
1404 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
1405 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
1406 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
1407 Application Architecture.
1408 Table 5-2 "Floating-Point Register Encodings"
1409 Figure 5-6 "Memory to Floating-Point Register Data Translation"
1412 static union { unsigned int word[4]; long double value; } x =
1413 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
1416 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1417 ASSERT (result != NULL);
1418 ASSERT (strlen (result) >= 3 + 3
1419 && strisnan (result, 0, strlen (result) - 3, 0)
1420 && strcmp (result + strlen (result) - 3, " 33") == 0);
1421 ASSERT (length == strlen (result));
1424 { /* Pseudo-Infinity. */
1425 static union { unsigned int word[4]; long double value; } x =
1426 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
1429 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1430 ASSERT (result != NULL);
1431 ASSERT (strlen (result) >= 3 + 3
1432 && strisnan (result, 0, strlen (result) - 3, 0)
1433 && strcmp (result + strlen (result) - 3, " 33") == 0);
1434 ASSERT (length == strlen (result));
1437 { /* Pseudo-Zero. */
1438 static union { unsigned int word[4]; long double value; } x =
1439 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
1442 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1443 ASSERT (result != NULL);
1444 ASSERT (strlen (result) >= 3 + 3
1445 && strisnan (result, 0, strlen (result) - 3, 0)
1446 && strcmp (result + strlen (result) - 3, " 33") == 0);
1447 ASSERT (length == strlen (result));
1450 { /* Unnormalized number. */
1451 static union { unsigned int word[4]; long double value; } x =
1452 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
1455 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1456 ASSERT (result != NULL);
1457 ASSERT (strlen (result) >= 3 + 3
1458 && strisnan (result, 0, strlen (result) - 3, 0)
1459 && strcmp (result + strlen (result) - 3, " 33") == 0);
1460 ASSERT (length == strlen (result));
1463 { /* Pseudo-Denormal. */
1464 static union { unsigned int word[4]; long double value; } x =
1465 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
1468 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1469 ASSERT (result != NULL);
1470 ASSERT (strlen (result) >= 3 + 3
1471 && strisnan (result, 0, strlen (result) - 3, 0)
1472 && strcmp (result + strlen (result) - 3, " 33") == 0);
1473 ASSERT (length == strlen (result));
1481 my_asnprintf (NULL, &length, "%10Lf %d", 1.75L, 33, 44, 55);
1482 ASSERT (result != NULL);
1483 ASSERT (strcmp (result, " 1.750000 33") == 0);
1484 ASSERT (length == strlen (result));
1491 my_asnprintf (NULL, &length, "%-10Lf %d", 1.75L, 33, 44, 55);
1492 ASSERT (result != NULL);
1493 ASSERT (strcmp (result, "1.750000 33") == 0);
1494 ASSERT (length == strlen (result));
1498 { /* FLAG_SHOWSIGN. */
1501 my_asnprintf (NULL, &length, "%+Lf %d", 1.75L, 33, 44, 55);
1502 ASSERT (result != NULL);
1503 ASSERT (strcmp (result, "+1.750000 33") == 0);
1504 ASSERT (length == strlen (result));
1511 my_asnprintf (NULL, &length, "% Lf %d", 1.75L, 33, 44, 55);
1512 ASSERT (result != NULL);
1513 ASSERT (strcmp (result, " 1.750000 33") == 0);
1514 ASSERT (length == strlen (result));
1521 my_asnprintf (NULL, &length, "%#Lf %d", 1.75L, 33, 44, 55);
1522 ASSERT (result != NULL);
1523 ASSERT (strcmp (result, "1.750000 33") == 0);
1524 ASSERT (length == strlen (result));
1531 my_asnprintf (NULL, &length, "%#.Lf %d", 1.75L, 33, 44, 55);
1532 ASSERT (result != NULL);
1533 ASSERT (strcmp (result, "2. 33") == 0);
1534 ASSERT (length == strlen (result));
1538 { /* FLAG_ZERO with finite number. */
1541 my_asnprintf (NULL, &length, "%015Lf %d", 1234.0L, 33, 44, 55);
1542 ASSERT (result != NULL);
1543 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1544 ASSERT (length == strlen (result));
1548 { /* FLAG_ZERO with infinite number. */
1551 my_asnprintf (NULL, &length, "%015Lf %d", -1.0L / 0.0L, 33, 44, 55);
1552 ASSERT (result != NULL);
1553 ASSERT (strcmp (result, " -inf 33") == 0
1554 || strcmp (result, " -infinity 33") == 0);
1555 ASSERT (length == strlen (result));
1559 { /* FLAG_ZERO with NaN. */
1562 my_asnprintf (NULL, &length, "%050Lf %d", NaNl (), 33, 44, 55);
1563 ASSERT (result != NULL);
1564 ASSERT (strlen (result) == 50 + 3
1565 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1566 && strcmp (result + strlen (result) - 3, " 33") == 0);
1567 ASSERT (length == strlen (result));
1574 my_asnprintf (NULL, &length, "%.Lf %d", 1234.0L, 33, 44, 55);
1575 ASSERT (result != NULL);
1576 ASSERT (strcmp (result, "1234 33") == 0);
1577 ASSERT (length == strlen (result));
1581 { /* Precision with no rounding. */
1584 my_asnprintf (NULL, &length, "%.2Lf %d", 999.951L, 33, 44, 55);
1585 ASSERT (result != NULL);
1586 ASSERT (strcmp (result, "999.95 33") == 0);
1587 ASSERT (length == strlen (result));
1591 { /* Precision with rounding. */
1594 my_asnprintf (NULL, &length, "%.2Lf %d", 999.996L, 33, 44, 55);
1595 ASSERT (result != NULL);
1596 ASSERT (strcmp (result, "1000.00 33") == 0);
1597 ASSERT (length == strlen (result));
1601 /* Test the support of the %F format directive. */
1603 { /* A positive number. */
1606 my_asnprintf (NULL, &length, "%F %d", 12.75, 33, 44, 55);
1607 ASSERT (result != NULL);
1608 ASSERT (strcmp (result, "12.750000 33") == 0);
1609 ASSERT (length == strlen (result));
1613 { /* A larger positive number. */
1616 my_asnprintf (NULL, &length, "%F %d", 1234567.0, 33, 44, 55);
1617 ASSERT (result != NULL);
1618 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1619 ASSERT (length == strlen (result));
1623 { /* A negative number. */
1626 my_asnprintf (NULL, &length, "%F %d", -0.03125, 33, 44, 55);
1627 ASSERT (result != NULL);
1628 ASSERT (strcmp (result, "-0.031250 33") == 0);
1629 ASSERT (length == strlen (result));
1633 { /* Positive zero. */
1636 my_asnprintf (NULL, &length, "%F %d", 0.0, 33, 44, 55);
1637 ASSERT (result != NULL);
1638 ASSERT (strcmp (result, "0.000000 33") == 0);
1639 ASSERT (length == strlen (result));
1643 { /* Negative zero. */
1646 my_asnprintf (NULL, &length, "%F %d", minus_zerod, 33, 44, 55);
1647 ASSERT (result != NULL);
1648 if (have_minus_zero ())
1649 ASSERT (strcmp (result, "-0.000000 33") == 0);
1650 ASSERT (length == strlen (result));
1654 { /* Positive infinity. */
1657 my_asnprintf (NULL, &length, "%F %d", 1.0 / 0.0, 33, 44, 55);
1658 ASSERT (result != NULL);
1659 ASSERT (strcmp (result, "INF 33") == 0
1660 || strcmp (result, "INFINITY 33") == 0);
1661 ASSERT (length == strlen (result));
1665 { /* Negative infinity. */
1668 my_asnprintf (NULL, &length, "%F %d", -1.0 / 0.0, 33, 44, 55);
1669 ASSERT (result != NULL);
1670 ASSERT (strcmp (result, "-INF 33") == 0
1671 || strcmp (result, "-INFINITY 33") == 0);
1672 ASSERT (length == strlen (result));
1679 my_asnprintf (NULL, &length, "%F %d", NaNd (), 33, 44, 55);
1680 ASSERT (result != NULL);
1681 ASSERT (strlen (result) >= 3 + 3
1682 && strisnan (result, 0, strlen (result) - 3, 1)
1683 && strcmp (result + strlen (result) - 3, " 33") == 0);
1684 ASSERT (length == strlen (result));
1691 my_asnprintf (NULL, &length, "%015F %d", 1234.0, 33, 44, 55);
1692 ASSERT (result != NULL);
1693 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1694 ASSERT (length == strlen (result));
1698 { /* FLAG_ZERO with infinite number. */
1701 my_asnprintf (NULL, &length, "%015F %d", -1.0 / 0.0, 33, 44, 55);
1702 ASSERT (result != NULL);
1703 ASSERT (strcmp (result, " -INF 33") == 0
1704 || strcmp (result, " -INFINITY 33") == 0);
1705 ASSERT (length == strlen (result));
1712 my_asnprintf (NULL, &length, "%.F %d", 1234.0, 33, 44, 55);
1713 ASSERT (result != NULL);
1714 ASSERT (strcmp (result, "1234 33") == 0);
1715 ASSERT (length == strlen (result));
1719 { /* Precision with no rounding. */
1722 my_asnprintf (NULL, &length, "%.2F %d", 999.951, 33, 44, 55);
1723 ASSERT (result != NULL);
1724 ASSERT (strcmp (result, "999.95 33") == 0);
1725 ASSERT (length == strlen (result));
1729 { /* Precision with rounding. */
1732 my_asnprintf (NULL, &length, "%.2F %d", 999.996, 33, 44, 55);
1733 ASSERT (result != NULL);
1734 ASSERT (strcmp (result, "1000.00 33") == 0);
1735 ASSERT (length == strlen (result));
1739 { /* A positive number. */
1742 my_asnprintf (NULL, &length, "%LF %d", 12.75L, 33, 44, 55);
1743 ASSERT (result != NULL);
1744 ASSERT (strcmp (result, "12.750000 33") == 0);
1745 ASSERT (length == strlen (result));
1749 { /* A larger positive number. */
1752 my_asnprintf (NULL, &length, "%LF %d", 1234567.0L, 33, 44, 55);
1753 ASSERT (result != NULL);
1754 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1755 ASSERT (length == strlen (result));
1759 { /* A negative number. */
1762 my_asnprintf (NULL, &length, "%LF %d", -0.03125L, 33, 44, 55);
1763 ASSERT (result != NULL);
1764 ASSERT (strcmp (result, "-0.031250 33") == 0);
1765 ASSERT (length == strlen (result));
1769 { /* Positive zero. */
1772 my_asnprintf (NULL, &length, "%LF %d", 0.0L, 33, 44, 55);
1773 ASSERT (result != NULL);
1774 ASSERT (strcmp (result, "0.000000 33") == 0);
1775 ASSERT (length == strlen (result));
1779 { /* Negative zero. */
1782 my_asnprintf (NULL, &length, "%LF %d", minus_zerol, 33, 44, 55);
1783 ASSERT (result != NULL);
1784 if (have_minus_zero ())
1785 ASSERT (strcmp (result, "-0.000000 33") == 0);
1786 ASSERT (length == strlen (result));
1790 { /* Positive infinity. */
1793 my_asnprintf (NULL, &length, "%LF %d", 1.0L / 0.0L, 33, 44, 55);
1794 ASSERT (result != NULL);
1795 ASSERT (strcmp (result, "INF 33") == 0
1796 || strcmp (result, "INFINITY 33") == 0);
1797 ASSERT (length == strlen (result));
1801 { /* Negative infinity. */
1804 my_asnprintf (NULL, &length, "%LF %d", -1.0L / 0.0L, 33, 44, 55);
1805 ASSERT (result != NULL);
1806 ASSERT (strcmp (result, "-INF 33") == 0
1807 || strcmp (result, "-INFINITY 33") == 0);
1808 ASSERT (length == strlen (result));
1815 my_asnprintf (NULL, &length, "%LF %d", NaNl (), 33, 44, 55);
1816 ASSERT (result != NULL);
1817 ASSERT (strlen (result) >= 3 + 3
1818 && strisnan (result, 0, strlen (result) - 3, 1)
1819 && strcmp (result + strlen (result) - 3, " 33") == 0);
1820 ASSERT (length == strlen (result));
1827 my_asnprintf (NULL, &length, "%015LF %d", 1234.0L, 33, 44, 55);
1828 ASSERT (result != NULL);
1829 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1830 ASSERT (length == strlen (result));
1834 { /* FLAG_ZERO with infinite number. */
1837 my_asnprintf (NULL, &length, "%015LF %d", -1.0L / 0.0L, 33, 44, 55);
1838 ASSERT (result != NULL);
1839 ASSERT (strcmp (result, " -INF 33") == 0
1840 || strcmp (result, " -INFINITY 33") == 0);
1841 ASSERT (length == strlen (result));
1848 my_asnprintf (NULL, &length, "%.LF %d", 1234.0L, 33, 44, 55);
1849 ASSERT (result != NULL);
1850 ASSERT (strcmp (result, "1234 33") == 0);
1851 ASSERT (length == strlen (result));
1855 { /* Precision with no rounding. */
1858 my_asnprintf (NULL, &length, "%.2LF %d", 999.951L, 33, 44, 55);
1859 ASSERT (result != NULL);
1860 ASSERT (strcmp (result, "999.95 33") == 0);
1861 ASSERT (length == strlen (result));
1865 { /* Precision with rounding. */
1868 my_asnprintf (NULL, &length, "%.2LF %d", 999.996L, 33, 44, 55);
1869 ASSERT (result != NULL);
1870 ASSERT (strcmp (result, "1000.00 33") == 0);
1871 ASSERT (length == strlen (result));
1875 /* Test the support of the %e format directive. */
1877 { /* A positive number. */
1880 my_asnprintf (NULL, &length, "%e %d", 12.75, 33, 44, 55);
1881 ASSERT (result != NULL);
1882 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1883 || strcmp (result, "1.275000e+001 33") == 0);
1884 ASSERT (length == strlen (result));
1888 { /* A larger positive number. */
1891 my_asnprintf (NULL, &length, "%e %d", 1234567.0, 33, 44, 55);
1892 ASSERT (result != NULL);
1893 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1894 || strcmp (result, "1.234567e+006 33") == 0);
1895 ASSERT (length == strlen (result));
1899 { /* Small and large positive numbers. */
1900 static struct { double value; const char *string; } data[] =
1902 { 1.234321234321234e-37, "1.234321e-37" },
1903 { 1.234321234321234e-36, "1.234321e-36" },
1904 { 1.234321234321234e-35, "1.234321e-35" },
1905 { 1.234321234321234e-34, "1.234321e-34" },
1906 { 1.234321234321234e-33, "1.234321e-33" },
1907 { 1.234321234321234e-32, "1.234321e-32" },
1908 { 1.234321234321234e-31, "1.234321e-31" },
1909 { 1.234321234321234e-30, "1.234321e-30" },
1910 { 1.234321234321234e-29, "1.234321e-29" },
1911 { 1.234321234321234e-28, "1.234321e-28" },
1912 { 1.234321234321234e-27, "1.234321e-27" },
1913 { 1.234321234321234e-26, "1.234321e-26" },
1914 { 1.234321234321234e-25, "1.234321e-25" },
1915 { 1.234321234321234e-24, "1.234321e-24" },
1916 { 1.234321234321234e-23, "1.234321e-23" },
1917 { 1.234321234321234e-22, "1.234321e-22" },
1918 { 1.234321234321234e-21, "1.234321e-21" },
1919 { 1.234321234321234e-20, "1.234321e-20" },
1920 { 1.234321234321234e-19, "1.234321e-19" },
1921 { 1.234321234321234e-18, "1.234321e-18" },
1922 { 1.234321234321234e-17, "1.234321e-17" },
1923 { 1.234321234321234e-16, "1.234321e-16" },
1924 { 1.234321234321234e-15, "1.234321e-15" },
1925 { 1.234321234321234e-14, "1.234321e-14" },
1926 { 1.234321234321234e-13, "1.234321e-13" },
1927 { 1.234321234321234e-12, "1.234321e-12" },
1928 { 1.234321234321234e-11, "1.234321e-11" },
1929 { 1.234321234321234e-10, "1.234321e-10" },
1930 { 1.234321234321234e-9, "1.234321e-09" },
1931 { 1.234321234321234e-8, "1.234321e-08" },
1932 { 1.234321234321234e-7, "1.234321e-07" },
1933 { 1.234321234321234e-6, "1.234321e-06" },
1934 { 1.234321234321234e-5, "1.234321e-05" },
1935 { 1.234321234321234e-4, "1.234321e-04" },
1936 { 1.234321234321234e-3, "1.234321e-03" },
1937 { 1.234321234321234e-2, "1.234321e-02" },
1938 { 1.234321234321234e-1, "1.234321e-01" },
1939 { 1.234321234321234, "1.234321e+00" },
1940 { 1.234321234321234e1, "1.234321e+01" },
1941 { 1.234321234321234e2, "1.234321e+02" },
1942 { 1.234321234321234e3, "1.234321e+03" },
1943 { 1.234321234321234e4, "1.234321e+04" },
1944 { 1.234321234321234e5, "1.234321e+05" },
1945 { 1.234321234321234e6, "1.234321e+06" },
1946 { 1.234321234321234e7, "1.234321e+07" },
1947 { 1.234321234321234e8, "1.234321e+08" },
1948 { 1.234321234321234e9, "1.234321e+09" },
1949 { 1.234321234321234e10, "1.234321e+10" },
1950 { 1.234321234321234e11, "1.234321e+11" },
1951 { 1.234321234321234e12, "1.234321e+12" },
1952 { 1.234321234321234e13, "1.234321e+13" },
1953 { 1.234321234321234e14, "1.234321e+14" },
1954 { 1.234321234321234e15, "1.234321e+15" },
1955 { 1.234321234321234e16, "1.234321e+16" },
1956 { 1.234321234321234e17, "1.234321e+17" },
1957 { 1.234321234321234e18, "1.234321e+18" },
1958 { 1.234321234321234e19, "1.234321e+19" },
1959 { 1.234321234321234e20, "1.234321e+20" },
1960 { 1.234321234321234e21, "1.234321e+21" },
1961 { 1.234321234321234e22, "1.234321e+22" },
1962 { 1.234321234321234e23, "1.234321e+23" },
1963 { 1.234321234321234e24, "1.234321e+24" },
1964 { 1.234321234321234e25, "1.234321e+25" },
1965 { 1.234321234321234e26, "1.234321e+26" },
1966 { 1.234321234321234e27, "1.234321e+27" },
1967 { 1.234321234321234e28, "1.234321e+28" },
1968 { 1.234321234321234e29, "1.234321e+29" },
1969 { 1.234321234321234e30, "1.234321e+30" },
1970 { 1.234321234321234e31, "1.234321e+31" },
1971 { 1.234321234321234e32, "1.234321e+32" },
1972 { 1.234321234321234e33, "1.234321e+33" },
1973 { 1.234321234321234e34, "1.234321e+34" },
1974 { 1.234321234321234e35, "1.234321e+35" },
1975 { 1.234321234321234e36, "1.234321e+36" }
1978 for (k = 0; k < SIZEOF (data); k++)
1982 my_asnprintf (NULL, &length, "%e", data[k].value);
1983 const char *expected = data[k].string;
1984 ASSERT (result != NULL);
1985 ASSERT (strcmp (result, expected) == 0
1986 /* Some implementations produce exponents with 3 digits. */
1987 || (strlen (result) == strlen (expected) + 1
1988 && memcmp (result, expected, strlen (expected) - 2) == 0
1989 && result[strlen (expected) - 2] == '0'
1990 && strcmp (result + strlen (expected) - 1,
1991 expected + strlen (expected) - 2)
1993 ASSERT (length == strlen (result));
1998 { /* A negative number. */
2001 my_asnprintf (NULL, &length, "%e %d", -0.03125, 33, 44, 55);
2002 ASSERT (result != NULL);
2003 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
2004 || strcmp (result, "-3.125000e-002 33") == 0);
2005 ASSERT (length == strlen (result));
2009 { /* Positive zero. */
2012 my_asnprintf (NULL, &length, "%e %d", 0.0, 33, 44, 55);
2013 ASSERT (result != NULL);
2014 ASSERT (strcmp (result, "0.000000e+00 33") == 0
2015 || strcmp (result, "0.000000e+000 33") == 0);
2016 ASSERT (length == strlen (result));
2020 { /* Negative zero. */
2023 my_asnprintf (NULL, &length, "%e %d", minus_zerod, 33, 44, 55);
2024 ASSERT (result != NULL);
2025 if (have_minus_zero ())
2026 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
2027 || strcmp (result, "-0.000000e+000 33") == 0);
2028 ASSERT (length == strlen (result));
2032 { /* Positive infinity. */
2035 my_asnprintf (NULL, &length, "%e %d", 1.0 / 0.0, 33, 44, 55);
2036 ASSERT (result != NULL);
2037 ASSERT (strcmp (result, "inf 33") == 0
2038 || strcmp (result, "infinity 33") == 0);
2039 ASSERT (length == strlen (result));
2043 { /* Negative infinity. */
2046 my_asnprintf (NULL, &length, "%e %d", -1.0 / 0.0, 33, 44, 55);
2047 ASSERT (result != NULL);
2048 ASSERT (strcmp (result, "-inf 33") == 0
2049 || strcmp (result, "-infinity 33") == 0);
2050 ASSERT (length == strlen (result));
2057 my_asnprintf (NULL, &length, "%e %d", NaNd (), 33, 44, 55);
2058 ASSERT (result != NULL);
2059 ASSERT (strlen (result) >= 3 + 3
2060 && strisnan (result, 0, strlen (result) - 3, 0)
2061 && strcmp (result + strlen (result) - 3, " 33") == 0);
2062 ASSERT (length == strlen (result));
2069 my_asnprintf (NULL, &length, "%15e %d", 1.75, 33, 44, 55);
2070 ASSERT (result != NULL);
2071 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2072 || strcmp (result, " 1.750000e+000 33") == 0);
2073 ASSERT (length == strlen (result));
2080 my_asnprintf (NULL, &length, "%-15e %d", 1.75, 33, 44, 55);
2081 ASSERT (result != NULL);
2082 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2083 || strcmp (result, "1.750000e+000 33") == 0);
2084 ASSERT (length == strlen (result));
2088 { /* FLAG_SHOWSIGN. */
2091 my_asnprintf (NULL, &length, "%+e %d", 1.75, 33, 44, 55);
2092 ASSERT (result != NULL);
2093 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
2094 || strcmp (result, "+1.750000e+000 33") == 0);
2095 ASSERT (length == strlen (result));
2102 my_asnprintf (NULL, &length, "% e %d", 1.75, 33, 44, 55);
2103 ASSERT (result != NULL);
2104 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2105 || strcmp (result, " 1.750000e+000 33") == 0);
2106 ASSERT (length == strlen (result));
2113 my_asnprintf (NULL, &length, "%#e %d", 1.75, 33, 44, 55);
2114 ASSERT (result != NULL);
2115 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2116 || strcmp (result, "1.750000e+000 33") == 0);
2117 ASSERT (length == strlen (result));
2124 my_asnprintf (NULL, &length, "%#.e %d", 1.75, 33, 44, 55);
2125 ASSERT (result != NULL);
2126 ASSERT (strcmp (result, "2.e+00 33") == 0
2127 || strcmp (result, "2.e+000 33") == 0);
2128 ASSERT (length == strlen (result));
2135 my_asnprintf (NULL, &length, "%#.e %d", 9.75, 33, 44, 55);
2136 ASSERT (result != NULL);
2137 ASSERT (strcmp (result, "1.e+01 33") == 0
2138 || strcmp (result, "1.e+001 33") == 0);
2139 ASSERT (length == strlen (result));
2143 { /* FLAG_ZERO with finite number. */
2146 my_asnprintf (NULL, &length, "%015e %d", 1234.0, 33, 44, 55);
2147 ASSERT (result != NULL);
2148 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
2149 || strcmp (result, "001.234000e+003 33") == 0);
2150 ASSERT (length == strlen (result));
2154 { /* FLAG_ZERO with infinite number. */
2157 my_asnprintf (NULL, &length, "%015e %d", -1.0 / 0.0, 33, 44, 55);
2158 ASSERT (result != NULL);
2159 ASSERT (strcmp (result, " -inf 33") == 0
2160 || strcmp (result, " -infinity 33") == 0);
2161 ASSERT (length == strlen (result));
2165 { /* FLAG_ZERO with NaN. */
2168 my_asnprintf (NULL, &length, "%050e %d", NaNd (), 33, 44, 55);
2169 ASSERT (result != NULL);
2170 ASSERT (strlen (result) == 50 + 3
2171 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2172 && strcmp (result + strlen (result) - 3, " 33") == 0);
2173 ASSERT (length == strlen (result));
2180 my_asnprintf (NULL, &length, "%.e %d", 1234.0, 33, 44, 55);
2181 ASSERT (result != NULL);
2182 ASSERT (strcmp (result, "1e+03 33") == 0
2183 || strcmp (result, "1e+003 33") == 0);
2184 ASSERT (length == strlen (result));
2188 { /* Precision with no rounding. */
2191 my_asnprintf (NULL, &length, "%.4e %d", 999.951, 33, 44, 55);
2192 ASSERT (result != NULL);
2193 ASSERT (strcmp (result, "9.9995e+02 33") == 0
2194 || strcmp (result, "9.9995e+002 33") == 0);
2195 ASSERT (length == strlen (result));
2199 { /* Precision with rounding. */
2202 my_asnprintf (NULL, &length, "%.4e %d", 999.996, 33, 44, 55);
2203 ASSERT (result != NULL);
2204 ASSERT (strcmp (result, "1.0000e+03 33") == 0
2205 || strcmp (result, "1.0000e+003 33") == 0);
2206 ASSERT (length == strlen (result));
2210 { /* A positive number. */
2213 my_asnprintf (NULL, &length, "%Le %d", 12.75L, 33, 44, 55);
2214 ASSERT (result != NULL);
2215 ASSERT (strcmp (result, "1.275000e+01 33") == 0
2216 || strcmp (result, "1.275000e+001 33") == 0);
2217 ASSERT (length == strlen (result));
2221 { /* A larger positive number. */
2224 my_asnprintf (NULL, &length, "%Le %d", 1234567.0L, 33, 44, 55);
2225 ASSERT (result != NULL);
2226 ASSERT (strcmp (result, "1.234567e+06 33") == 0
2227 || strcmp (result, "1.234567e+006 33") == 0);
2228 ASSERT (length == strlen (result));
2232 { /* Small and large positive numbers. */
2233 static struct { long double value; const char *string; } data[] =
2235 { 1.234321234321234e-37L, "1.234321e-37" },
2236 { 1.234321234321234e-36L, "1.234321e-36" },
2237 { 1.234321234321234e-35L, "1.234321e-35" },
2238 { 1.234321234321234e-34L, "1.234321e-34" },
2239 { 1.234321234321234e-33L, "1.234321e-33" },
2240 { 1.234321234321234e-32L, "1.234321e-32" },
2241 { 1.234321234321234e-31L, "1.234321e-31" },
2242 { 1.234321234321234e-30L, "1.234321e-30" },
2243 { 1.234321234321234e-29L, "1.234321e-29" },
2244 { 1.234321234321234e-28L, "1.234321e-28" },
2245 { 1.234321234321234e-27L, "1.234321e-27" },
2246 { 1.234321234321234e-26L, "1.234321e-26" },
2247 { 1.234321234321234e-25L, "1.234321e-25" },
2248 { 1.234321234321234e-24L, "1.234321e-24" },
2249 { 1.234321234321234e-23L, "1.234321e-23" },
2250 { 1.234321234321234e-22L, "1.234321e-22" },
2251 { 1.234321234321234e-21L, "1.234321e-21" },
2252 { 1.234321234321234e-20L, "1.234321e-20" },
2253 { 1.234321234321234e-19L, "1.234321e-19" },
2254 { 1.234321234321234e-18L, "1.234321e-18" },
2255 { 1.234321234321234e-17L, "1.234321e-17" },
2256 { 1.234321234321234e-16L, "1.234321e-16" },
2257 { 1.234321234321234e-15L, "1.234321e-15" },
2258 { 1.234321234321234e-14L, "1.234321e-14" },
2259 { 1.234321234321234e-13L, "1.234321e-13" },
2260 { 1.234321234321234e-12L, "1.234321e-12" },
2261 { 1.234321234321234e-11L, "1.234321e-11" },
2262 { 1.234321234321234e-10L, "1.234321e-10" },
2263 { 1.234321234321234e-9L, "1.234321e-09" },
2264 { 1.234321234321234e-8L, "1.234321e-08" },
2265 { 1.234321234321234e-7L, "1.234321e-07" },
2266 { 1.234321234321234e-6L, "1.234321e-06" },
2267 { 1.234321234321234e-5L, "1.234321e-05" },
2268 { 1.234321234321234e-4L, "1.234321e-04" },
2269 { 1.234321234321234e-3L, "1.234321e-03" },
2270 { 1.234321234321234e-2L, "1.234321e-02" },
2271 { 1.234321234321234e-1L, "1.234321e-01" },
2272 { 1.234321234321234L, "1.234321e+00" },
2273 { 1.234321234321234e1L, "1.234321e+01" },
2274 { 1.234321234321234e2L, "1.234321e+02" },
2275 { 1.234321234321234e3L, "1.234321e+03" },
2276 { 1.234321234321234e4L, "1.234321e+04" },
2277 { 1.234321234321234e5L, "1.234321e+05" },
2278 { 1.234321234321234e6L, "1.234321e+06" },
2279 { 1.234321234321234e7L, "1.234321e+07" },
2280 { 1.234321234321234e8L, "1.234321e+08" },
2281 { 1.234321234321234e9L, "1.234321e+09" },
2282 { 1.234321234321234e10L, "1.234321e+10" },
2283 { 1.234321234321234e11L, "1.234321e+11" },
2284 { 1.234321234321234e12L, "1.234321e+12" },
2285 { 1.234321234321234e13L, "1.234321e+13" },
2286 { 1.234321234321234e14L, "1.234321e+14" },
2287 { 1.234321234321234e15L, "1.234321e+15" },
2288 { 1.234321234321234e16L, "1.234321e+16" },
2289 { 1.234321234321234e17L, "1.234321e+17" },
2290 { 1.234321234321234e18L, "1.234321e+18" },
2291 { 1.234321234321234e19L, "1.234321e+19" },
2292 { 1.234321234321234e20L, "1.234321e+20" },
2293 { 1.234321234321234e21L, "1.234321e+21" },
2294 { 1.234321234321234e22L, "1.234321e+22" },
2295 { 1.234321234321234e23L, "1.234321e+23" },
2296 { 1.234321234321234e24L, "1.234321e+24" },
2297 { 1.234321234321234e25L, "1.234321e+25" },
2298 { 1.234321234321234e26L, "1.234321e+26" },
2299 { 1.234321234321234e27L, "1.234321e+27" },
2300 { 1.234321234321234e28L, "1.234321e+28" },
2301 { 1.234321234321234e29L, "1.234321e+29" },
2302 { 1.234321234321234e30L, "1.234321e+30" },
2303 { 1.234321234321234e31L, "1.234321e+31" },
2304 { 1.234321234321234e32L, "1.234321e+32" },
2305 { 1.234321234321234e33L, "1.234321e+33" },
2306 { 1.234321234321234e34L, "1.234321e+34" },
2307 { 1.234321234321234e35L, "1.234321e+35" },
2308 { 1.234321234321234e36L, "1.234321e+36" }
2311 for (k = 0; k < SIZEOF (data); k++)
2315 my_asnprintf (NULL, &length, "%Le", data[k].value);
2316 const char *expected = data[k].string;
2317 ASSERT (result != NULL);
2318 ASSERT (strcmp (result, expected) == 0
2319 /* Some implementations produce exponents with 3 digits. */
2320 || (strlen (result) == strlen (expected) + 1
2321 && memcmp (result, expected, strlen (expected) - 2) == 0
2322 && result[strlen (expected) - 2] == '0'
2323 && strcmp (result + strlen (expected) - 1,
2324 expected + strlen (expected) - 2)
2326 ASSERT (length == strlen (result));
2331 { /* A negative number. */
2334 my_asnprintf (NULL, &length, "%Le %d", -0.03125L, 33, 44, 55);
2335 ASSERT (result != NULL);
2336 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
2337 || strcmp (result, "-3.125000e-002 33") == 0);
2338 ASSERT (length == strlen (result));
2342 { /* Positive zero. */
2345 my_asnprintf (NULL, &length, "%Le %d", 0.0L, 33, 44, 55);
2346 ASSERT (result != NULL);
2347 ASSERT (strcmp (result, "0.000000e+00 33") == 0
2348 || strcmp (result, "0.000000e+000 33") == 0);
2349 ASSERT (length == strlen (result));
2353 { /* Negative zero. */
2356 my_asnprintf (NULL, &length, "%Le %d", minus_zerol, 33, 44, 55);
2357 ASSERT (result != NULL);
2358 if (have_minus_zero ())
2359 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
2360 || strcmp (result, "-0.000000e+000 33") == 0);
2361 ASSERT (length == strlen (result));
2365 { /* Positive infinity. */
2368 my_asnprintf (NULL, &length, "%Le %d", 1.0L / 0.0L, 33, 44, 55);
2369 ASSERT (result != NULL);
2370 ASSERT (strcmp (result, "inf 33") == 0
2371 || strcmp (result, "infinity 33") == 0);
2372 ASSERT (length == strlen (result));
2376 { /* Negative infinity. */
2379 my_asnprintf (NULL, &length, "%Le %d", -1.0L / 0.0L, 33, 44, 55);
2380 ASSERT (result != NULL);
2381 ASSERT (strcmp (result, "-inf 33") == 0
2382 || strcmp (result, "-infinity 33") == 0);
2383 ASSERT (length == strlen (result));
2390 my_asnprintf (NULL, &length, "%Le %d", NaNl (), 33, 44, 55);
2391 ASSERT (result != NULL);
2392 ASSERT (strlen (result) >= 3 + 3
2393 && strisnan (result, 0, strlen (result) - 3, 0)
2394 && strcmp (result + strlen (result) - 3, " 33") == 0);
2395 ASSERT (length == strlen (result));
2398 #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_))
2400 static union { unsigned int word[4]; long double value; } x =
2401 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2404 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2405 ASSERT (result != NULL);
2406 ASSERT (strlen (result) >= 3 + 3
2407 && strisnan (result, 0, strlen (result) - 3, 0)
2408 && strcmp (result + strlen (result) - 3, " 33") == 0);
2409 ASSERT (length == strlen (result));
2413 /* Signalling NaN. */
2414 static union { unsigned int word[4]; long double value; } x =
2415 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2418 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2419 ASSERT (result != NULL);
2420 ASSERT (strlen (result) >= 3 + 3
2421 && strisnan (result, 0, strlen (result) - 3, 0)
2422 && strcmp (result + strlen (result) - 3, " 33") == 0);
2423 ASSERT (length == strlen (result));
2426 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
2427 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
2428 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
2429 Application Architecture.
2430 Table 5-2 "Floating-Point Register Encodings"
2431 Figure 5-6 "Memory to Floating-Point Register Data Translation"
2434 static union { unsigned int word[4]; long double value; } x =
2435 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2438 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2439 ASSERT (result != NULL);
2440 ASSERT (strlen (result) >= 3 + 3
2441 && strisnan (result, 0, strlen (result) - 3, 0)
2442 && strcmp (result + strlen (result) - 3, " 33") == 0);
2443 ASSERT (length == strlen (result));
2446 { /* Pseudo-Infinity. */
2447 static union { unsigned int word[4]; long double value; } x =
2448 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2451 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2452 ASSERT (result != NULL);
2453 ASSERT (strlen (result) >= 3 + 3
2454 && strisnan (result, 0, strlen (result) - 3, 0)
2455 && strcmp (result + strlen (result) - 3, " 33") == 0);
2456 ASSERT (length == strlen (result));
2459 { /* Pseudo-Zero. */
2460 static union { unsigned int word[4]; long double value; } x =
2461 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2464 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2465 ASSERT (result != NULL);
2466 ASSERT (strlen (result) >= 3 + 3
2467 && strisnan (result, 0, strlen (result) - 3, 0)
2468 && strcmp (result + strlen (result) - 3, " 33") == 0);
2469 ASSERT (length == strlen (result));
2472 { /* Unnormalized number. */
2473 static union { unsigned int word[4]; long double value; } x =
2474 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2477 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2478 ASSERT (result != NULL);
2479 ASSERT (strlen (result) >= 3 + 3
2480 && strisnan (result, 0, strlen (result) - 3, 0)
2481 && strcmp (result + strlen (result) - 3, " 33") == 0);
2482 ASSERT (length == strlen (result));
2485 { /* Pseudo-Denormal. */
2486 static union { unsigned int word[4]; long double value; } x =
2487 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2490 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2491 ASSERT (result != NULL);
2492 ASSERT (strlen (result) >= 3 + 3
2493 && strisnan (result, 0, strlen (result) - 3, 0)
2494 && strcmp (result + strlen (result) - 3, " 33") == 0);
2495 ASSERT (length == strlen (result));
2503 my_asnprintf (NULL, &length, "%15Le %d", 1.75L, 33, 44, 55);
2504 ASSERT (result != NULL);
2505 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2506 || strcmp (result, " 1.750000e+000 33") == 0);
2507 ASSERT (length == strlen (result));
2514 my_asnprintf (NULL, &length, "%-15Le %d", 1.75L, 33, 44, 55);
2515 ASSERT (result != NULL);
2516 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2517 || strcmp (result, "1.750000e+000 33") == 0);
2518 ASSERT (length == strlen (result));
2522 { /* FLAG_SHOWSIGN. */
2525 my_asnprintf (NULL, &length, "%+Le %d", 1.75L, 33, 44, 55);
2526 ASSERT (result != NULL);
2527 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
2528 || strcmp (result, "+1.750000e+000 33") == 0);
2529 ASSERT (length == strlen (result));
2536 my_asnprintf (NULL, &length, "% Le %d", 1.75L, 33, 44, 55);
2537 ASSERT (result != NULL);
2538 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2539 || strcmp (result, " 1.750000e+000 33") == 0);
2540 ASSERT (length == strlen (result));
2547 my_asnprintf (NULL, &length, "%#Le %d", 1.75L, 33, 44, 55);
2548 ASSERT (result != NULL);
2549 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2550 || strcmp (result, "1.750000e+000 33") == 0);
2551 ASSERT (length == strlen (result));
2558 my_asnprintf (NULL, &length, "%#.Le %d", 1.75L, 33, 44, 55);
2559 ASSERT (result != NULL);
2560 ASSERT (strcmp (result, "2.e+00 33") == 0
2561 || strcmp (result, "2.e+000 33") == 0);
2562 ASSERT (length == strlen (result));
2569 my_asnprintf (NULL, &length, "%#.Le %d", 9.75L, 33, 44, 55);
2570 ASSERT (result != NULL);
2571 ASSERT (strcmp (result, "1.e+01 33") == 0
2572 || strcmp (result, "1.e+001 33") == 0);
2573 ASSERT (length == strlen (result));
2577 { /* FLAG_ZERO with finite number. */
2580 my_asnprintf (NULL, &length, "%015Le %d", 1234.0L, 33, 44, 55);
2581 ASSERT (result != NULL);
2582 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
2583 || strcmp (result, "001.234000e+003 33") == 0);
2584 ASSERT (length == strlen (result));
2588 { /* FLAG_ZERO with infinite number. */
2591 my_asnprintf (NULL, &length, "%015Le %d", -1.0L / 0.0L, 33, 44, 55);
2592 ASSERT (result != NULL);
2593 ASSERT (strcmp (result, " -inf 33") == 0
2594 || strcmp (result, " -infinity 33") == 0);
2595 ASSERT (length == strlen (result));
2599 { /* FLAG_ZERO with NaN. */
2602 my_asnprintf (NULL, &length, "%050Le %d", NaNl (), 33, 44, 55);
2603 ASSERT (result != NULL);
2604 ASSERT (strlen (result) == 50 + 3
2605 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2606 && strcmp (result + strlen (result) - 3, " 33") == 0);
2607 ASSERT (length == strlen (result));
2614 my_asnprintf (NULL, &length, "%.Le %d", 1234.0L, 33, 44, 55);
2615 ASSERT (result != NULL);
2616 ASSERT (strcmp (result, "1e+03 33") == 0
2617 || strcmp (result, "1e+003 33") == 0);
2618 ASSERT (length == strlen (result));
2622 { /* Precision with no rounding. */
2625 my_asnprintf (NULL, &length, "%.4Le %d", 999.951L, 33, 44, 55);
2626 ASSERT (result != NULL);
2627 ASSERT (strcmp (result, "9.9995e+02 33") == 0
2628 || strcmp (result, "9.9995e+002 33") == 0);
2629 ASSERT (length == strlen (result));
2633 { /* Precision with rounding. */
2636 my_asnprintf (NULL, &length, "%.4Le %d", 999.996L, 33, 44, 55);
2637 ASSERT (result != NULL);
2638 ASSERT (strcmp (result, "1.0000e+03 33") == 0
2639 || strcmp (result, "1.0000e+003 33") == 0);
2640 ASSERT (length == strlen (result));
2644 /* Test the support of the %g format directive. */
2646 { /* A positive number. */
2649 my_asnprintf (NULL, &length, "%g %d", 12.75, 33, 44, 55);
2650 ASSERT (result != NULL);
2651 ASSERT (strcmp (result, "12.75 33") == 0);
2652 ASSERT (length == strlen (result));
2656 { /* A larger positive number. */
2659 my_asnprintf (NULL, &length, "%g %d", 1234567.0, 33, 44, 55);
2660 ASSERT (result != NULL);
2661 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2662 || strcmp (result, "1.23457e+006 33") == 0);
2663 ASSERT (length == strlen (result));
2667 { /* Small and large positive numbers. */
2668 static struct { double value; const char *string; } data[] =
2670 { 1.234321234321234e-37, "1.23432e-37" },
2671 { 1.234321234321234e-36, "1.23432e-36" },
2672 { 1.234321234321234e-35, "1.23432e-35" },
2673 { 1.234321234321234e-34, "1.23432e-34" },
2674 { 1.234321234321234e-33, "1.23432e-33" },
2675 { 1.234321234321234e-32, "1.23432e-32" },
2676 { 1.234321234321234e-31, "1.23432e-31" },
2677 { 1.234321234321234e-30, "1.23432e-30" },
2678 { 1.234321234321234e-29, "1.23432e-29" },
2679 { 1.234321234321234e-28, "1.23432e-28" },
2680 { 1.234321234321234e-27, "1.23432e-27" },
2681 { 1.234321234321234e-26, "1.23432e-26" },
2682 { 1.234321234321234e-25, "1.23432e-25" },
2683 { 1.234321234321234e-24, "1.23432e-24" },
2684 { 1.234321234321234e-23, "1.23432e-23" },
2685 { 1.234321234321234e-22, "1.23432e-22" },
2686 { 1.234321234321234e-21, "1.23432e-21" },
2687 { 1.234321234321234e-20, "1.23432e-20" },
2688 { 1.234321234321234e-19, "1.23432e-19" },
2689 { 1.234321234321234e-18, "1.23432e-18" },
2690 { 1.234321234321234e-17, "1.23432e-17" },
2691 { 1.234321234321234e-16, "1.23432e-16" },
2692 { 1.234321234321234e-15, "1.23432e-15" },
2693 { 1.234321234321234e-14, "1.23432e-14" },
2694 { 1.234321234321234e-13, "1.23432e-13" },
2695 { 1.234321234321234e-12, "1.23432e-12" },
2696 { 1.234321234321234e-11, "1.23432e-11" },
2697 { 1.234321234321234e-10, "1.23432e-10" },
2698 { 1.234321234321234e-9, "1.23432e-09" },
2699 { 1.234321234321234e-8, "1.23432e-08" },
2700 { 1.234321234321234e-7, "1.23432e-07" },
2701 { 1.234321234321234e-6, "1.23432e-06" },
2702 { 1.234321234321234e-5, "1.23432e-05" },
2703 { 1.234321234321234e-4, "0.000123432" },
2704 { 1.234321234321234e-3, "0.00123432" },
2705 { 1.234321234321234e-2, "0.0123432" },
2706 { 1.234321234321234e-1, "0.123432" },
2707 { 1.234321234321234, "1.23432" },
2708 { 1.234321234321234e1, "12.3432" },
2709 { 1.234321234321234e2, "123.432" },
2710 { 1.234321234321234e3, "1234.32" },
2711 { 1.234321234321234e4, "12343.2" },
2712 { 1.234321234321234e5, "123432" },
2713 { 1.234321234321234e6, "1.23432e+06" },
2714 { 1.234321234321234e7, "1.23432e+07" },
2715 { 1.234321234321234e8, "1.23432e+08" },
2716 { 1.234321234321234e9, "1.23432e+09" },
2717 { 1.234321234321234e10, "1.23432e+10" },
2718 { 1.234321234321234e11, "1.23432e+11" },
2719 { 1.234321234321234e12, "1.23432e+12" },
2720 { 1.234321234321234e13, "1.23432e+13" },
2721 { 1.234321234321234e14, "1.23432e+14" },
2722 { 1.234321234321234e15, "1.23432e+15" },
2723 { 1.234321234321234e16, "1.23432e+16" },
2724 { 1.234321234321234e17, "1.23432e+17" },
2725 { 1.234321234321234e18, "1.23432e+18" },
2726 { 1.234321234321234e19, "1.23432e+19" },
2727 { 1.234321234321234e20, "1.23432e+20" },
2728 { 1.234321234321234e21, "1.23432e+21" },
2729 { 1.234321234321234e22, "1.23432e+22" },
2730 { 1.234321234321234e23, "1.23432e+23" },
2731 { 1.234321234321234e24, "1.23432e+24" },
2732 { 1.234321234321234e25, "1.23432e+25" },
2733 { 1.234321234321234e26, "1.23432e+26" },
2734 { 1.234321234321234e27, "1.23432e+27" },
2735 { 1.234321234321234e28, "1.23432e+28" },
2736 { 1.234321234321234e29, "1.23432e+29" },
2737 { 1.234321234321234e30, "1.23432e+30" },
2738 { 1.234321234321234e31, "1.23432e+31" },
2739 { 1.234321234321234e32, "1.23432e+32" },
2740 { 1.234321234321234e33, "1.23432e+33" },
2741 { 1.234321234321234e34, "1.23432e+34" },
2742 { 1.234321234321234e35, "1.23432e+35" },
2743 { 1.234321234321234e36, "1.23432e+36" }
2746 for (k = 0; k < SIZEOF (data); k++)
2750 my_asnprintf (NULL, &length, "%g", data[k].value);
2751 const char *expected = data[k].string;
2752 ASSERT (result != NULL);
2753 ASSERT (strcmp (result, expected) == 0
2754 /* Some implementations produce exponents with 3 digits. */
2755 || (expected[strlen (expected) - 4] == 'e'
2756 && strlen (result) == strlen (expected) + 1
2757 && memcmp (result, expected, strlen (expected) - 2) == 0
2758 && result[strlen (expected) - 2] == '0'
2759 && strcmp (result + strlen (expected) - 1,
2760 expected + strlen (expected) - 2)
2762 ASSERT (length == strlen (result));
2767 { /* A negative number. */
2770 my_asnprintf (NULL, &length, "%g %d", -0.03125, 33, 44, 55);
2771 ASSERT (result != NULL);
2772 ASSERT (strcmp (result, "-0.03125 33") == 0);
2773 ASSERT (length == strlen (result));
2777 { /* Positive zero. */
2780 my_asnprintf (NULL, &length, "%g %d", 0.0, 33, 44, 55);
2781 ASSERT (result != NULL);
2782 ASSERT (strcmp (result, "0 33") == 0);
2783 ASSERT (length == strlen (result));
2787 { /* Negative zero. */
2790 my_asnprintf (NULL, &length, "%g %d", minus_zerod, 33, 44, 55);
2791 ASSERT (result != NULL);
2792 if (have_minus_zero ())
2793 ASSERT (strcmp (result, "-0 33") == 0);
2794 ASSERT (length == strlen (result));
2798 { /* Positive infinity. */
2801 my_asnprintf (NULL, &length, "%g %d", 1.0 / 0.0, 33, 44, 55);
2802 ASSERT (result != NULL);
2803 ASSERT (strcmp (result, "inf 33") == 0
2804 || strcmp (result, "infinity 33") == 0);
2805 ASSERT (length == strlen (result));
2809 { /* Negative infinity. */
2812 my_asnprintf (NULL, &length, "%g %d", -1.0 / 0.0, 33, 44, 55);
2813 ASSERT (result != NULL);
2814 ASSERT (strcmp (result, "-inf 33") == 0
2815 || strcmp (result, "-infinity 33") == 0);
2816 ASSERT (length == strlen (result));
2823 my_asnprintf (NULL, &length, "%g %d", NaNd (), 33, 44, 55);
2824 ASSERT (result != NULL);
2825 ASSERT (strlen (result) >= 3 + 3
2826 && strisnan (result, 0, strlen (result) - 3, 0)
2827 && strcmp (result + strlen (result) - 3, " 33") == 0);
2828 ASSERT (length == strlen (result));
2835 my_asnprintf (NULL, &length, "%10g %d", 1.75, 33, 44, 55);
2836 ASSERT (result != NULL);
2837 ASSERT (strcmp (result, " 1.75 33") == 0);
2838 ASSERT (length == strlen (result));
2845 my_asnprintf (NULL, &length, "%-10g %d", 1.75, 33, 44, 55);
2846 ASSERT (result != NULL);
2847 ASSERT (strcmp (result, "1.75 33") == 0);
2848 ASSERT (length == strlen (result));
2852 { /* FLAG_SHOWSIGN. */
2855 my_asnprintf (NULL, &length, "%+g %d", 1.75, 33, 44, 55);
2856 ASSERT (result != NULL);
2857 ASSERT (strcmp (result, "+1.75 33") == 0);
2858 ASSERT (length == strlen (result));
2865 my_asnprintf (NULL, &length, "% g %d", 1.75, 33, 44, 55);
2866 ASSERT (result != NULL);
2867 ASSERT (strcmp (result, " 1.75 33") == 0);
2868 ASSERT (length == strlen (result));
2875 my_asnprintf (NULL, &length, "%#g %d", 1.75, 33, 44, 55);
2876 ASSERT (result != NULL);
2877 ASSERT (strcmp (result, "1.75000 33") == 0);
2878 ASSERT (length == strlen (result));
2885 my_asnprintf (NULL, &length, "%#.g %d", 1.75, 33, 44, 55);
2886 ASSERT (result != NULL);
2887 ASSERT (strcmp (result, "2. 33") == 0);
2888 ASSERT (length == strlen (result));
2895 my_asnprintf (NULL, &length, "%#.g %d", 9.75, 33, 44, 55);
2896 ASSERT (result != NULL);
2897 ASSERT (strcmp (result, "1.e+01 33") == 0
2898 || strcmp (result, "1.e+001 33") == 0);
2899 ASSERT (length == strlen (result));
2903 { /* FLAG_ZERO with finite number. */
2906 my_asnprintf (NULL, &length, "%010g %d", 1234.0, 33, 44, 55);
2907 ASSERT (result != NULL);
2908 ASSERT (strcmp (result, "0000001234 33") == 0);
2909 ASSERT (length == strlen (result));
2913 { /* FLAG_ZERO with infinite number. */
2916 my_asnprintf (NULL, &length, "%015g %d", -1.0 / 0.0, 33, 44, 55);
2917 ASSERT (result != NULL);
2918 ASSERT (strcmp (result, " -inf 33") == 0
2919 || strcmp (result, " -infinity 33") == 0);
2920 ASSERT (length == strlen (result));
2924 { /* FLAG_ZERO with NaN. */
2927 my_asnprintf (NULL, &length, "%050g %d", NaNd (), 33, 44, 55);
2928 ASSERT (result != NULL);
2929 ASSERT (strlen (result) == 50 + 3
2930 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2931 && strcmp (result + strlen (result) - 3, " 33") == 0);
2932 ASSERT (length == strlen (result));
2939 my_asnprintf (NULL, &length, "%.g %d", 1234.0, 33, 44, 55);
2940 ASSERT (result != NULL);
2941 ASSERT (strcmp (result, "1e+03 33") == 0
2942 || strcmp (result, "1e+003 33") == 0);
2943 ASSERT (length == strlen (result));
2947 { /* Precision with no rounding. */
2950 my_asnprintf (NULL, &length, "%.5g %d", 999.951, 33, 44, 55);
2951 ASSERT (result != NULL);
2952 ASSERT (strcmp (result, "999.95 33") == 0);
2953 ASSERT (length == strlen (result));
2957 { /* Precision with rounding. */
2960 my_asnprintf (NULL, &length, "%.5g %d", 999.996, 33, 44, 55);
2961 ASSERT (result != NULL);
2962 ASSERT (strcmp (result, "1000 33") == 0);
2963 ASSERT (length == strlen (result));
2967 { /* A positive number. */
2970 my_asnprintf (NULL, &length, "%Lg %d", 12.75L, 33, 44, 55);
2971 ASSERT (result != NULL);
2972 ASSERT (strcmp (result, "12.75 33") == 0);
2973 ASSERT (length == strlen (result));
2977 { /* A larger positive number. */
2980 my_asnprintf (NULL, &length, "%Lg %d", 1234567.0L, 33, 44, 55);
2981 ASSERT (result != NULL);
2982 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2983 || strcmp (result, "1.23457e+006 33") == 0);
2984 ASSERT (length == strlen (result));
2988 { /* Small and large positive numbers. */
2989 static struct { long double value; const char *string; } data[] =
2991 { 1.234321234321234e-37L, "1.23432e-37" },
2992 { 1.234321234321234e-36L, "1.23432e-36" },
2993 { 1.234321234321234e-35L, "1.23432e-35" },
2994 { 1.234321234321234e-34L, "1.23432e-34" },
2995 { 1.234321234321234e-33L, "1.23432e-33" },
2996 { 1.234321234321234e-32L, "1.23432e-32" },
2997 { 1.234321234321234e-31L, "1.23432e-31" },
2998 { 1.234321234321234e-30L, "1.23432e-30" },
2999 { 1.234321234321234e-29L, "1.23432e-29" },
3000 { 1.234321234321234e-28L, "1.23432e-28" },
3001 { 1.234321234321234e-27L, "1.23432e-27" },
3002 { 1.234321234321234e-26L, "1.23432e-26" },
3003 { 1.234321234321234e-25L, "1.23432e-25" },
3004 { 1.234321234321234e-24L, "1.23432e-24" },
3005 { 1.234321234321234e-23L, "1.23432e-23" },
3006 { 1.234321234321234e-22L, "1.23432e-22" },
3007 { 1.234321234321234e-21L, "1.23432e-21" },
3008 { 1.234321234321234e-20L, "1.23432e-20" },
3009 { 1.234321234321234e-19L, "1.23432e-19" },
3010 { 1.234321234321234e-18L, "1.23432e-18" },
3011 { 1.234321234321234e-17L, "1.23432e-17" },
3012 { 1.234321234321234e-16L, "1.23432e-16" },
3013 { 1.234321234321234e-15L, "1.23432e-15" },
3014 { 1.234321234321234e-14L, "1.23432e-14" },
3015 { 1.234321234321234e-13L, "1.23432e-13" },
3016 { 1.234321234321234e-12L, "1.23432e-12" },
3017 { 1.234321234321234e-11L, "1.23432e-11" },
3018 { 1.234321234321234e-10L, "1.23432e-10" },
3019 { 1.234321234321234e-9L, "1.23432e-09" },
3020 { 1.234321234321234e-8L, "1.23432e-08" },
3021 { 1.234321234321234e-7L, "1.23432e-07" },
3022 { 1.234321234321234e-6L, "1.23432e-06" },
3023 { 1.234321234321234e-5L, "1.23432e-05" },
3024 { 1.234321234321234e-4L, "0.000123432" },
3025 { 1.234321234321234e-3L, "0.00123432" },
3026 { 1.234321234321234e-2L, "0.0123432" },
3027 { 1.234321234321234e-1L, "0.123432" },
3028 { 1.234321234321234L, "1.23432" },
3029 { 1.234321234321234e1L, "12.3432" },
3030 { 1.234321234321234e2L, "123.432" },
3031 { 1.234321234321234e3L, "1234.32" },
3032 { 1.234321234321234e4L, "12343.2" },
3033 { 1.234321234321234e5L, "123432" },
3034 { 1.234321234321234e6L, "1.23432e+06" },
3035 { 1.234321234321234e7L, "1.23432e+07" },
3036 { 1.234321234321234e8L, "1.23432e+08" },
3037 { 1.234321234321234e9L, "1.23432e+09" },
3038 { 1.234321234321234e10L, "1.23432e+10" },
3039 { 1.234321234321234e11L, "1.23432e+11" },
3040 { 1.234321234321234e12L, "1.23432e+12" },
3041 { 1.234321234321234e13L, "1.23432e+13" },
3042 { 1.234321234321234e14L, "1.23432e+14" },
3043 { 1.234321234321234e15L, "1.23432e+15" },
3044 { 1.234321234321234e16L, "1.23432e+16" },
3045 { 1.234321234321234e17L, "1.23432e+17" },
3046 { 1.234321234321234e18L, "1.23432e+18" },
3047 { 1.234321234321234e19L, "1.23432e+19" },
3048 { 1.234321234321234e20L, "1.23432e+20" },
3049 { 1.234321234321234e21L, "1.23432e+21" },
3050 { 1.234321234321234e22L, "1.23432e+22" },
3051 { 1.234321234321234e23L, "1.23432e+23" },
3052 { 1.234321234321234e24L, "1.23432e+24" },
3053 { 1.234321234321234e25L, "1.23432e+25" },
3054 { 1.234321234321234e26L, "1.23432e+26" },
3055 { 1.234321234321234e27L, "1.23432e+27" },
3056 { 1.234321234321234e28L, "1.23432e+28" },
3057 { 1.234321234321234e29L, "1.23432e+29" },
3058 { 1.234321234321234e30L, "1.23432e+30" },
3059 { 1.234321234321234e31L, "1.23432e+31" },
3060 { 1.234321234321234e32L, "1.23432e+32" },
3061 { 1.234321234321234e33L, "1.23432e+33" },
3062 { 1.234321234321234e34L, "1.23432e+34" },
3063 { 1.234321234321234e35L, "1.23432e+35" },
3064 { 1.234321234321234e36L, "1.23432e+36" }
3067 for (k = 0; k < SIZEOF (data); k++)
3071 my_asnprintf (NULL, &length, "%Lg", data[k].value);
3072 const char *expected = data[k].string;
3073 ASSERT (result != NULL);
3074 ASSERT (strcmp (result, expected) == 0
3075 /* Some implementations produce exponents with 3 digits. */
3076 || (expected[strlen (expected) - 4] == 'e'
3077 && strlen (result) == strlen (expected) + 1
3078 && memcmp (result, expected, strlen (expected) - 2) == 0
3079 && result[strlen (expected) - 2] == '0'
3080 && strcmp (result + strlen (expected) - 1,
3081 expected + strlen (expected) - 2)
3083 ASSERT (length == strlen (result));
3088 { /* A negative number. */
3091 my_asnprintf (NULL, &length, "%Lg %d", -0.03125L, 33, 44, 55);
3092 ASSERT (result != NULL);
3093 ASSERT (strcmp (result, "-0.03125 33") == 0);
3094 ASSERT (length == strlen (result));
3098 { /* Positive zero. */
3101 my_asnprintf (NULL, &length, "%Lg %d", 0.0L, 33, 44, 55);
3102 ASSERT (result != NULL);
3103 ASSERT (strcmp (result, "0 33") == 0);
3104 ASSERT (length == strlen (result));
3108 { /* Negative zero. */
3111 my_asnprintf (NULL, &length, "%Lg %d", minus_zerol, 33, 44, 55);
3112 ASSERT (result != NULL);
3113 if (have_minus_zero ())
3114 ASSERT (strcmp (result, "-0 33") == 0);
3115 ASSERT (length == strlen (result));
3119 { /* Positive infinity. */
3122 my_asnprintf (NULL, &length, "%Lg %d", 1.0L / 0.0L, 33, 44, 55);
3123 ASSERT (result != NULL);
3124 ASSERT (strcmp (result, "inf 33") == 0
3125 || strcmp (result, "infinity 33") == 0);
3126 ASSERT (length == strlen (result));
3130 { /* Negative infinity. */
3133 my_asnprintf (NULL, &length, "%Lg %d", -1.0L / 0.0L, 33, 44, 55);
3134 ASSERT (result != NULL);
3135 ASSERT (strcmp (result, "-inf 33") == 0
3136 || strcmp (result, "-infinity 33") == 0);
3137 ASSERT (length == strlen (result));
3144 my_asnprintf (NULL, &length, "%Lg %d", NaNl (), 33, 44, 55);
3145 ASSERT (result != NULL);
3146 ASSERT (strlen (result) >= 3 + 3
3147 && strisnan (result, 0, strlen (result) - 3, 0)
3148 && strcmp (result + strlen (result) - 3, " 33") == 0);
3149 ASSERT (length == strlen (result));
3152 #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_))
3154 static union { unsigned int word[4]; long double value; } x =
3155 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
3158 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3159 ASSERT (result != NULL);
3160 ASSERT (strlen (result) >= 3 + 3
3161 && strisnan (result, 0, strlen (result) - 3, 0)
3162 && strcmp (result + strlen (result) - 3, " 33") == 0);
3163 ASSERT (length == strlen (result));
3167 /* Signalling NaN. */
3168 static union { unsigned int word[4]; long double value; } x =
3169 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
3172 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3173 ASSERT (result != NULL);
3174 ASSERT (strlen (result) >= 3 + 3
3175 && strisnan (result, 0, strlen (result) - 3, 0)
3176 && strcmp (result + strlen (result) - 3, " 33") == 0);
3177 ASSERT (length == strlen (result));
3180 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
3181 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
3182 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
3183 Application Architecture.
3184 Table 5-2 "Floating-Point Register Encodings"
3185 Figure 5-6 "Memory to Floating-Point Register Data Translation"
3188 static union { unsigned int word[4]; long double value; } x =
3189 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
3192 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3193 ASSERT (result != NULL);
3194 ASSERT (strlen (result) >= 3 + 3
3195 && strisnan (result, 0, strlen (result) - 3, 0)
3196 && strcmp (result + strlen (result) - 3, " 33") == 0);
3197 ASSERT (length == strlen (result));
3200 { /* Pseudo-Infinity. */
3201 static union { unsigned int word[4]; long double value; } x =
3202 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
3205 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3206 ASSERT (result != NULL);
3207 ASSERT (strlen (result) >= 3 + 3
3208 && strisnan (result, 0, strlen (result) - 3, 0)
3209 && strcmp (result + strlen (result) - 3, " 33") == 0);
3210 ASSERT (length == strlen (result));
3213 { /* Pseudo-Zero. */
3214 static union { unsigned int word[4]; long double value; } x =
3215 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
3218 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3219 ASSERT (result != NULL);
3220 ASSERT (strlen (result) >= 3 + 3
3221 && strisnan (result, 0, strlen (result) - 3, 0)
3222 && strcmp (result + strlen (result) - 3, " 33") == 0);
3223 ASSERT (length == strlen (result));
3226 { /* Unnormalized number. */
3227 static union { unsigned int word[4]; long double value; } x =
3228 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
3231 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3232 ASSERT (result != NULL);
3233 ASSERT (strlen (result) >= 3 + 3
3234 && strisnan (result, 0, strlen (result) - 3, 0)
3235 && strcmp (result + strlen (result) - 3, " 33") == 0);
3236 ASSERT (length == strlen (result));
3239 { /* Pseudo-Denormal. */
3240 static union { unsigned int word[4]; long double value; } x =
3241 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
3244 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3245 ASSERT (result != NULL);
3246 ASSERT (strlen (result) >= 3 + 3
3247 && strisnan (result, 0, strlen (result) - 3, 0)
3248 && strcmp (result + strlen (result) - 3, " 33") == 0);
3249 ASSERT (length == strlen (result));
3257 my_asnprintf (NULL, &length, "%10Lg %d", 1.75L, 33, 44, 55);
3258 ASSERT (result != NULL);
3259 ASSERT (strcmp (result, " 1.75 33") == 0);
3260 ASSERT (length == strlen (result));
3267 my_asnprintf (NULL, &length, "%-10Lg %d", 1.75L, 33, 44, 55);
3268 ASSERT (result != NULL);
3269 ASSERT (strcmp (result, "1.75 33") == 0);
3270 ASSERT (length == strlen (result));
3274 { /* FLAG_SHOWSIGN. */
3277 my_asnprintf (NULL, &length, "%+Lg %d", 1.75L, 33, 44, 55);
3278 ASSERT (result != NULL);
3279 ASSERT (strcmp (result, "+1.75 33") == 0);
3280 ASSERT (length == strlen (result));
3287 my_asnprintf (NULL, &length, "% Lg %d", 1.75L, 33, 44, 55);
3288 ASSERT (result != NULL);
3289 ASSERT (strcmp (result, " 1.75 33") == 0);
3290 ASSERT (length == strlen (result));
3297 my_asnprintf (NULL, &length, "%#Lg %d", 1.75L, 33, 44, 55);
3298 ASSERT (result != NULL);
3299 ASSERT (strcmp (result, "1.75000 33") == 0);
3300 ASSERT (length == strlen (result));
3307 my_asnprintf (NULL, &length, "%#.Lg %d", 1.75L, 33, 44, 55);
3308 ASSERT (result != NULL);
3309 ASSERT (strcmp (result, "2. 33") == 0);
3310 ASSERT (length == strlen (result));
3317 my_asnprintf (NULL, &length, "%#.Lg %d", 9.75L, 33, 44, 55);
3318 ASSERT (result != NULL);
3319 ASSERT (strcmp (result, "1.e+01 33") == 0
3320 || strcmp (result, "1.e+001 33") == 0);
3321 ASSERT (length == strlen (result));
3325 { /* FLAG_ZERO with finite number. */
3328 my_asnprintf (NULL, &length, "%010Lg %d", 1234.0L, 33, 44, 55);
3329 ASSERT (result != NULL);
3330 ASSERT (strcmp (result, "0000001234 33") == 0);
3331 ASSERT (length == strlen (result));
3335 { /* FLAG_ZERO with infinite number. */
3338 my_asnprintf (NULL, &length, "%015Lg %d", -1.0L / 0.0L, 33, 44, 55);
3339 ASSERT (result != NULL);
3340 ASSERT (strcmp (result, " -inf 33") == 0
3341 || strcmp (result, " -infinity 33") == 0);
3342 ASSERT (length == strlen (result));
3346 { /* FLAG_ZERO with NaN. */
3349 my_asnprintf (NULL, &length, "%050Lg %d", NaNl (), 33, 44, 55);
3350 ASSERT (result != NULL);
3351 ASSERT (strlen (result) == 50 + 3
3352 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
3353 && strcmp (result + strlen (result) - 3, " 33") == 0);
3354 ASSERT (length == strlen (result));
3361 my_asnprintf (NULL, &length, "%.Lg %d", 1234.0L, 33, 44, 55);
3362 ASSERT (result != NULL);
3363 ASSERT (strcmp (result, "1e+03 33") == 0
3364 || strcmp (result, "1e+003 33") == 0);
3365 ASSERT (length == strlen (result));
3369 { /* Precision with no rounding. */
3372 my_asnprintf (NULL, &length, "%.5Lg %d", 999.951L, 33, 44, 55);
3373 ASSERT (result != NULL);
3374 ASSERT (strcmp (result, "999.95 33") == 0);
3375 ASSERT (length == strlen (result));
3379 { /* Precision with rounding. */
3382 my_asnprintf (NULL, &length, "%.5Lg %d", 999.996L, 33, 44, 55);
3383 ASSERT (result != NULL);
3384 ASSERT (strcmp (result, "1000 33") == 0);
3385 ASSERT (length == strlen (result));
3389 /* Test the support of the %n format directive. */
3395 my_asnprintf (NULL, &length, "%d %n", 123, &count, 33, 44, 55);
3396 ASSERT (result != NULL);
3397 ASSERT (strcmp (result, "123 ") == 0);
3398 ASSERT (length == strlen (result));
3399 ASSERT (count == 4);
3403 /* Test the support of the POSIX/XSI format strings with positions. */
3408 my_asnprintf (NULL, &length, "%2$d %1$d", 33, 55);
3409 ASSERT (result != NULL);
3410 ASSERT (strcmp (result, "55 33") == 0);
3411 ASSERT (length == strlen (result));
3415 /* Test the support of the grouping flag. */
3420 my_asnprintf (NULL, &length, "%'d %d", 1234567, 99);
3421 ASSERT (result != NULL);
3422 ASSERT (result[strlen (result) - 1] == '9');
3423 ASSERT (length == strlen (result));
3427 /* Test the support of the left-adjust flag. */
3432 my_asnprintf (NULL, &length, "a%*sc", -3, "b");
3433 ASSERT (result != NULL);
3434 ASSERT (strcmp (result, "ab c") == 0);
3435 ASSERT (length == strlen (result));
3442 my_asnprintf (NULL, &length, "a%-*sc", 3, "b");
3443 ASSERT (result != NULL);
3444 ASSERT (strcmp (result, "ab c") == 0);
3445 ASSERT (length == strlen (result));
3452 my_asnprintf (NULL, &length, "a%-*sc", -3, "b");
3453 ASSERT (result != NULL);
3454 ASSERT (strcmp (result, "ab c") == 0);
3455 ASSERT (length == strlen (result));
3459 /* Test the support of large precision. */
3464 my_asnprintf (NULL, &length, "%.4000d %d", 1234567, 99);
3466 ASSERT (result != NULL);
3467 for (i = 0; i < 4000 - 7; i++)
3468 ASSERT (result[i] == '0');
3469 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3470 ASSERT (length == strlen (result));
3477 my_asnprintf (NULL, &length, "%.*d %d", 4000, 1234567, 99);
3479 ASSERT (result != NULL);
3480 for (i = 0; i < 4000 - 7; i++)
3481 ASSERT (result[i] == '0');
3482 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3483 ASSERT (length == strlen (result));
3490 my_asnprintf (NULL, &length, "%.4000d %d", -1234567, 99);
3492 ASSERT (result != NULL);
3493 ASSERT (result[0] == '-');
3494 for (i = 0; i < 4000 - 7; i++)
3495 ASSERT (result[1 + i] == '0');
3496 ASSERT (strcmp (result + 1 + 4000 - 7, "1234567 99") == 0);
3497 ASSERT (length == strlen (result));
3504 my_asnprintf (NULL, &length, "%.4000u %d", 1234567, 99);
3506 ASSERT (result != NULL);
3507 for (i = 0; i < 4000 - 7; i++)
3508 ASSERT (result[i] == '0');
3509 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3510 ASSERT (length == strlen (result));
3517 my_asnprintf (NULL, &length, "%.4000o %d", 1234567, 99);
3519 ASSERT (result != NULL);
3520 for (i = 0; i < 4000 - 7; i++)
3521 ASSERT (result[i] == '0');
3522 ASSERT (strcmp (result + 4000 - 7, "4553207 99") == 0);
3523 ASSERT (length == strlen (result));
3530 my_asnprintf (NULL, &length, "%.4000x %d", 1234567, 99);
3532 ASSERT (result != NULL);
3533 for (i = 0; i < 4000 - 6; i++)
3534 ASSERT (result[i] == '0');
3535 ASSERT (strcmp (result + 4000 - 6, "12d687 99") == 0);
3536 ASSERT (length == strlen (result));
3543 my_asnprintf (NULL, &length, "%#.4000x %d", 1234567, 99);
3545 ASSERT (result != NULL);
3546 ASSERT (result[0] == '0');
3547 ASSERT (result[1] == 'x');
3548 for (i = 0; i < 4000 - 6; i++)
3549 ASSERT (result[2 + i] == '0');
3550 ASSERT (strcmp (result + 2 + 4000 - 6, "12d687 99") == 0);
3551 ASSERT (length == strlen (result));
3558 my_asnprintf (NULL, &length, "%.4000f %d", 1.0, 99);
3560 ASSERT (result != NULL);
3561 ASSERT (result[0] == '1');
3562 ASSERT (result[1] == '.');
3563 for (i = 0; i < 4000; i++)
3564 ASSERT (result[2 + i] == '0');
3565 ASSERT (strcmp (result + 2 + 4000, " 99") == 0);
3566 ASSERT (length == strlen (result));
3573 my_asnprintf (NULL, &length, "%.511f %d", 1.0, 99);
3575 ASSERT (result != NULL);
3576 ASSERT (result[0] == '1');
3577 ASSERT (result[1] == '.');
3578 for (i = 0; i < 511; i++)
3579 ASSERT (result[2 + i] == '0');
3580 ASSERT (strcmp (result + 2 + 511, " 99") == 0);
3581 ASSERT (length == strlen (result));
3591 for (i = 0; i < sizeof (input) - 1; i++)
3592 input[i] = 'a' + ((1000000 / (i + 1)) % 26);
3594 result = my_asnprintf (NULL, &length, "%.4000s %d", input, 99);
3595 ASSERT (result != NULL);
3596 ASSERT (memcmp (result, input, 4000) == 0);
3597 ASSERT (strcmp (result + 4000, " 99") == 0);
3598 ASSERT (length == strlen (result));
3602 /* Test the support of the %s format directive. */
3604 /* To verify that these tests succeed, it is necessary to run them under
3605 a tool that checks against invalid memory accesses, such as ElectricFence
3606 or "valgrind --tool=memcheck". */
3610 for (i = 1; i <= 8; i++)
3616 block = (char *) malloc (i);
3617 memcpy (block, "abcdefgh", i);
3618 result = my_asnprintf (NULL, &length, "%.*s", (int) i, block);
3619 ASSERT (result != NULL);
3620 ASSERT (memcmp (result, block, i) == 0);
3621 ASSERT (result[i] == '\0');
3622 ASSERT (length == strlen (result));
3631 for (i = 1; i <= 8; i++)
3638 block = (wchar_t *) malloc (i * sizeof (wchar_t));
3639 for (j = 0; j < i; j++)
3640 block[j] = "abcdefgh"[j];
3641 result = my_asnprintf (NULL, &length, "%.*ls", (int) i, block);
3642 ASSERT (result != NULL);
3643 ASSERT (memcmp (result, "abcdefgh", i) == 0);
3644 ASSERT (result[i] == '\0');
3645 ASSERT (length == strlen (result));
3653 /* Test that converting an invalid wchar_t[] to char[] fails with EILSEQ. */
3655 static const wchar_t input[] = { (wchar_t) 1702057263, 114, 0 };
3657 char *result = my_asnprintf (NULL, &length, "%ls %d", input, 99);
3659 ASSERT (errno == EILSEQ);
3664 static const wchar_t input[] = { (wchar_t) 1702057263, 114, 0 };
3666 char *result = my_asnprintf (NULL, &length, "%3ls %d", input, 99);
3668 ASSERT (errno == EILSEQ);
3673 static const wchar_t input[] = { (wchar_t) 1702057263, 114, 0 };
3675 char *result = my_asnprintf (NULL, &length, "%.1ls %d", input, 99);
3677 ASSERT (errno == EILSEQ);
3682 static const wchar_t input[] = { (wchar_t) 1702057263, 114, 0 };
3684 char *result = my_asnprintf (NULL, &length, "%3.1ls %d", input, 99);
3686 ASSERT (errno == EILSEQ);
3692 #if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2)) && !defined __UCLIBC__
3693 /* Test that the 'I' flag is supported. */
3697 my_asnprintf (NULL, &length, "%Id %d", 1234567, 99);
3698 ASSERT (result != NULL);
3699 ASSERT (strcmp (result, "1234567 99") == 0);
3700 ASSERT (length == strlen (result));
3707 my_asnprintf (char *resultbuf, size_t *lengthp, const char *format, ...)
3712 va_start (args, format);
3713 ret = vasnprintf (resultbuf, lengthp, format, args);
3721 test_function (my_asnprintf);
3727 test_function (asnprintf);
3731 main (int argc, char *argv[])