1 /* Test of POSIX compatible vasnprintf() and asnprintf() functions.
2 Copyright (C) 2007-2013 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */
21 #include "vasnprintf.h"
32 #include "minus-zero.h"
36 /* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0. */
40 static double plus_zero = 0.0;
41 double minus_zero = minus_zerod;
42 return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0;
45 /* Representation of an 80-bit 'long double' as an initializer for a sequence
46 of 'unsigned int' words. */
47 #ifdef WORDS_BIGENDIAN
48 # define LDBL80_WORDS(exponent,manthi,mantlo) \
49 { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \
50 ((unsigned int) (manthi) << 16) | (unsigned int) (mantlo) >> 16), \
51 (unsigned int) (mantlo) << 16 \
54 # define LDBL80_WORDS(exponent,manthi,mantlo) \
55 { mantlo, manthi, exponent }
59 strmatch (const char *pattern, const char *string)
61 if (strlen (pattern) != strlen (string))
63 for (; *pattern != '\0'; pattern++, string++)
64 if (*pattern != '*' && *string != *pattern)
69 /* Test whether string[start_index..end_index-1] is a valid textual
70 representation of NaN. */
72 strisnan (const char *string, size_t start_index, size_t end_index, int uppercase)
74 if (start_index < end_index)
76 if (string[start_index] == '-')
78 if (start_index + 3 <= end_index
79 && memcmp (string + start_index, uppercase ? "NAN" : "nan", 3) == 0)
82 if (start_index == end_index
83 || (string[start_index] == '(' && string[end_index - 1] == ')'))
91 test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
96 /* Test return value convention. */
98 for (size = 0; size <= 8; size++)
100 size_t length = size;
101 char *result = my_asnprintf (NULL, &length, "%d", 12345);
102 ASSERT (result != NULL);
103 ASSERT (strcmp (result, "12345") == 0);
104 ASSERT (length == 5);
108 for (size = 0; size <= 8; size++)
113 memcpy (buf, "DEADBEEF", 8);
115 result = my_asnprintf (buf, &length, "%d", 12345);
116 ASSERT (result != NULL);
117 ASSERT (strcmp (result, "12345") == 0);
118 ASSERT (length == 5);
120 ASSERT (result != buf);
121 ASSERT (memcmp (buf + size, &"DEADBEEF"[size], 8 - size) == 0);
126 /* Test support of size specifiers as in C99. */
131 my_asnprintf (NULL, &length, "%ju %d", (uintmax_t) 12345671, 33, 44, 55);
132 ASSERT (result != NULL);
133 ASSERT (strcmp (result, "12345671 33") == 0);
134 ASSERT (length == strlen (result));
141 my_asnprintf (NULL, &length, "%zu %d", (size_t) 12345672, 33, 44, 55);
142 ASSERT (result != NULL);
143 ASSERT (strcmp (result, "12345672 33") == 0);
144 ASSERT (length == strlen (result));
151 my_asnprintf (NULL, &length, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55);
152 ASSERT (result != NULL);
153 ASSERT (strcmp (result, "12345673 33") == 0);
154 ASSERT (length == strlen (result));
161 my_asnprintf (NULL, &length, "%Lg %d", (long double) 1.5, 33, 44, 55);
162 ASSERT (result != NULL);
163 ASSERT (strcmp (result, "1.5 33") == 0);
164 ASSERT (length == strlen (result));
168 /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
169 output of floating-point numbers. */
171 { /* A positive number. */
174 my_asnprintf (NULL, &length, "%a %d", 3.1416015625, 33, 44, 55);
175 ASSERT (result != NULL);
176 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
177 || strcmp (result, "0x3.244p+0 33") == 0
178 || strcmp (result, "0x6.488p-1 33") == 0
179 || strcmp (result, "0xc.91p-2 33") == 0);
180 ASSERT (length == strlen (result));
184 { /* A negative number. */
187 my_asnprintf (NULL, &length, "%A %d", -3.1416015625, 33, 44, 55);
188 ASSERT (result != NULL);
189 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
190 || strcmp (result, "-0X3.244P+0 33") == 0
191 || strcmp (result, "-0X6.488P-1 33") == 0
192 || strcmp (result, "-0XC.91P-2 33") == 0);
193 ASSERT (length == strlen (result));
197 { /* Positive zero. */
200 my_asnprintf (NULL, &length, "%a %d", 0.0, 33, 44, 55);
201 ASSERT (result != NULL);
202 ASSERT (strcmp (result, "0x0p+0 33") == 0);
203 ASSERT (length == strlen (result));
207 { /* Negative zero. */
210 my_asnprintf (NULL, &length, "%a %d", minus_zerod, 33, 44, 55);
211 ASSERT (result != NULL);
212 if (have_minus_zero ())
213 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
214 ASSERT (length == strlen (result));
218 { /* Positive infinity. */
221 my_asnprintf (NULL, &length, "%a %d", Infinityd (), 33, 44, 55);
222 ASSERT (result != NULL);
223 ASSERT (strcmp (result, "inf 33") == 0);
224 ASSERT (length == strlen (result));
228 { /* Negative infinity. */
231 my_asnprintf (NULL, &length, "%a %d", - Infinityd (), 33, 44, 55);
232 ASSERT (result != NULL);
233 ASSERT (strcmp (result, "-inf 33") == 0);
234 ASSERT (length == strlen (result));
241 my_asnprintf (NULL, &length, "%a %d", NaNd (), 33, 44, 55);
242 ASSERT (result != NULL);
243 ASSERT (strlen (result) >= 3 + 3
244 && strisnan (result, 0, strlen (result) - 3, 0)
245 && strcmp (result + strlen (result) - 3, " 33") == 0);
246 ASSERT (length == strlen (result));
250 { /* Rounding near the decimal point. */
253 my_asnprintf (NULL, &length, "%.0a %d", 1.5, 33, 44, 55);
254 ASSERT (result != NULL);
255 ASSERT (strcmp (result, "0x1p+0 33") == 0
256 || strcmp (result, "0x2p+0 33") == 0
257 || strcmp (result, "0x3p-1 33") == 0
258 || strcmp (result, "0x6p-2 33") == 0
259 || strcmp (result, "0xcp-3 33") == 0);
260 ASSERT (length == strlen (result));
264 { /* Rounding with precision 0. */
267 my_asnprintf (NULL, &length, "%.0a %d", 1.51, 33, 44, 55);
268 ASSERT (result != NULL);
269 ASSERT (strcmp (result, "0x2p+0 33") == 0
270 || strcmp (result, "0x3p-1 33") == 0
271 || strcmp (result, "0x6p-2 33") == 0
272 || strcmp (result, "0xcp-3 33") == 0);
273 ASSERT (length == strlen (result));
277 { /* Rounding with precision 1. */
280 my_asnprintf (NULL, &length, "%.1a %d", 1.51, 33, 44, 55);
281 ASSERT (result != NULL);
282 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
283 || strcmp (result, "0x3.0p-1 33") == 0
284 || strcmp (result, "0x6.1p-2 33") == 0
285 || strcmp (result, "0xc.1p-3 33") == 0);
286 ASSERT (length == strlen (result));
290 { /* Rounding with precision 2. */
293 my_asnprintf (NULL, &length, "%.2a %d", 1.51, 33, 44, 55);
294 ASSERT (result != NULL);
295 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
296 || strcmp (result, "0x3.05p-1 33") == 0
297 || strcmp (result, "0x6.0ap-2 33") == 0
298 || strcmp (result, "0xc.14p-3 33") == 0);
299 ASSERT (length == strlen (result));
303 { /* Rounding with precision 3. */
306 my_asnprintf (NULL, &length, "%.3a %d", 1.51, 33, 44, 55);
307 ASSERT (result != NULL);
308 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
309 || strcmp (result, "0x3.052p-1 33") == 0
310 || strcmp (result, "0x6.0a4p-2 33") == 0
311 || strcmp (result, "0xc.148p-3 33") == 0);
312 ASSERT (length == strlen (result));
316 { /* Rounding can turn a ...FFF into a ...000. */
319 my_asnprintf (NULL, &length, "%.3a %d", 1.49999, 33, 44, 55);
320 ASSERT (result != NULL);
321 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
322 || strcmp (result, "0x3.000p-1 33") == 0
323 || strcmp (result, "0x6.000p-2 33") == 0
324 || strcmp (result, "0xc.000p-3 33") == 0);
325 ASSERT (length == strlen (result));
329 { /* Rounding can turn a ...FFF into a ...000.
330 This shows a Mac OS X 10.3.9 (Darwin 7.9) bug. */
333 my_asnprintf (NULL, &length, "%.1a %d", 1.999, 33, 44, 55);
334 ASSERT (result != NULL);
335 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
336 || strcmp (result, "0x2.0p+0 33") == 0
337 || strcmp (result, "0x4.0p-1 33") == 0
338 || strcmp (result, "0x8.0p-2 33") == 0);
339 ASSERT (length == strlen (result));
346 my_asnprintf (NULL, &length, "%10a %d", 1.75, 33, 44, 55);
347 ASSERT (result != NULL);
348 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
349 || strcmp (result, " 0x3.8p-1 33") == 0
350 || strcmp (result, " 0x7p-2 33") == 0
351 || strcmp (result, " 0xep-3 33") == 0);
352 ASSERT (length == strlen (result));
356 { /* Small precision. */
359 my_asnprintf (NULL, &length, "%.10a %d", 1.75, 33, 44, 55);
360 ASSERT (result != NULL);
361 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
362 || strcmp (result, "0x3.8000000000p-1 33") == 0
363 || strcmp (result, "0x7.0000000000p-2 33") == 0
364 || strcmp (result, "0xe.0000000000p-3 33") == 0);
365 ASSERT (length == strlen (result));
369 { /* Large precision. */
372 my_asnprintf (NULL, &length, "%.50a %d", 1.75, 33, 44, 55);
373 ASSERT (result != NULL);
374 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
375 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
376 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
377 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
378 ASSERT (length == strlen (result));
385 my_asnprintf (NULL, &length, "%-10a %d", 1.75, 33, 44, 55);
386 ASSERT (result != NULL);
387 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
388 || strcmp (result, "0x3.8p-1 33") == 0
389 || strcmp (result, "0x7p-2 33") == 0
390 || strcmp (result, "0xep-3 33") == 0);
391 ASSERT (length == strlen (result));
395 { /* FLAG_SHOWSIGN. */
398 my_asnprintf (NULL, &length, "%+a %d", 1.75, 33, 44, 55);
399 ASSERT (result != NULL);
400 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
401 || strcmp (result, "+0x3.8p-1 33") == 0
402 || strcmp (result, "+0x7p-2 33") == 0
403 || strcmp (result, "+0xep-3 33") == 0);
404 ASSERT (length == strlen (result));
411 my_asnprintf (NULL, &length, "% a %d", 1.75, 33, 44, 55);
412 ASSERT (result != NULL);
413 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
414 || strcmp (result, " 0x3.8p-1 33") == 0
415 || strcmp (result, " 0x7p-2 33") == 0
416 || strcmp (result, " 0xep-3 33") == 0);
417 ASSERT (length == strlen (result));
424 my_asnprintf (NULL, &length, "%#a %d", 1.75, 33, 44, 55);
425 ASSERT (result != NULL);
426 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
427 || strcmp (result, "0x3.8p-1 33") == 0
428 || strcmp (result, "0x7.p-2 33") == 0
429 || strcmp (result, "0xe.p-3 33") == 0);
430 ASSERT (length == strlen (result));
437 my_asnprintf (NULL, &length, "%#a %d", 1.0, 33, 44, 55);
438 ASSERT (result != NULL);
439 ASSERT (strcmp (result, "0x1.p+0 33") == 0
440 || strcmp (result, "0x2.p-1 33") == 0
441 || strcmp (result, "0x4.p-2 33") == 0
442 || strcmp (result, "0x8.p-3 33") == 0);
443 ASSERT (length == strlen (result));
447 { /* FLAG_ZERO with finite number. */
450 my_asnprintf (NULL, &length, "%010a %d", 1.75, 33, 44, 55);
451 ASSERT (result != NULL);
452 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
453 || strcmp (result, "0x003.8p-1 33") == 0
454 || strcmp (result, "0x00007p-2 33") == 0
455 || strcmp (result, "0x0000ep-3 33") == 0);
456 ASSERT (length == strlen (result));
460 { /* FLAG_ZERO with infinite number. */
463 my_asnprintf (NULL, &length, "%010a %d", Infinityd (), 33, 44, 55);
464 ASSERT (result != NULL);
465 /* "0000000inf 33" is not a valid result; see
466 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
467 ASSERT (strcmp (result, " inf 33") == 0);
468 ASSERT (length == strlen (result));
472 { /* FLAG_ZERO with NaN. */
475 my_asnprintf (NULL, &length, "%050a %d", NaNd (), 33, 44, 55);
476 ASSERT (result != NULL);
477 /* "0000000nan 33" is not a valid result; see
478 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
479 ASSERT (strlen (result) == 50 + 3
480 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
481 && strcmp (result + strlen (result) - 3, " 33") == 0);
482 ASSERT (length == strlen (result));
486 { /* A positive number. */
489 my_asnprintf (NULL, &length, "%La %d", 3.1416015625L, 33, 44, 55);
490 ASSERT (result != NULL);
491 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
492 || strcmp (result, "0x3.244p+0 33") == 0
493 || strcmp (result, "0x6.488p-1 33") == 0
494 || strcmp (result, "0xc.91p-2 33") == 0);
495 ASSERT (length == strlen (result));
499 { /* A negative number. */
502 my_asnprintf (NULL, &length, "%LA %d", -3.1416015625L, 33, 44, 55);
503 ASSERT (result != NULL);
504 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
505 || strcmp (result, "-0X3.244P+0 33") == 0
506 || strcmp (result, "-0X6.488P-1 33") == 0
507 || strcmp (result, "-0XC.91P-2 33") == 0);
508 ASSERT (length == strlen (result));
512 { /* Positive zero. */
515 my_asnprintf (NULL, &length, "%La %d", 0.0L, 33, 44, 55);
516 ASSERT (result != NULL);
517 ASSERT (strcmp (result, "0x0p+0 33") == 0);
518 ASSERT (length == strlen (result));
522 { /* Negative zero. */
525 my_asnprintf (NULL, &length, "%La %d", minus_zerol, 33, 44, 55);
526 ASSERT (result != NULL);
527 if (have_minus_zero ())
528 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
529 ASSERT (length == strlen (result));
533 { /* Positive infinity. */
536 my_asnprintf (NULL, &length, "%La %d", Infinityl (), 33, 44, 55);
537 ASSERT (result != NULL);
538 ASSERT (strcmp (result, "inf 33") == 0);
539 ASSERT (length == strlen (result));
543 { /* Negative infinity. */
546 my_asnprintf (NULL, &length, "%La %d", - Infinityl (), 33, 44, 55);
547 ASSERT (result != NULL);
548 ASSERT (strcmp (result, "-inf 33") == 0);
549 ASSERT (length == strlen (result));
556 my_asnprintf (NULL, &length, "%La %d", NaNl (), 33, 44, 55);
557 ASSERT (result != NULL);
558 ASSERT (strlen (result) >= 3 + 3
559 && strisnan (result, 0, strlen (result) - 3, 0)
560 && strcmp (result + strlen (result) - 3, " 33") == 0);
561 ASSERT (length == strlen (result));
564 #if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE
566 static union { unsigned int word[4]; long double value; } x =
567 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
570 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
571 ASSERT (result != NULL);
572 ASSERT (strlen (result) >= 3 + 3
573 && strisnan (result, 0, strlen (result) - 3, 0)
574 && strcmp (result + strlen (result) - 3, " 33") == 0);
575 ASSERT (length == strlen (result));
579 /* Signalling NaN. */
580 static union { unsigned int word[4]; long double value; } x =
581 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
584 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
585 ASSERT (result != NULL);
586 ASSERT (strlen (result) >= 3 + 3
587 && strisnan (result, 0, strlen (result) - 3, 0)
588 && strcmp (result + strlen (result) - 3, " 33") == 0);
589 ASSERT (length == strlen (result));
592 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
593 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
594 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
595 Application Architecture.
596 Table 5-2 "Floating-Point Register Encodings"
597 Figure 5-6 "Memory to Floating-Point Register Data Translation"
600 static union { unsigned int word[4]; long double value; } x =
601 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
604 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
605 ASSERT (result != NULL);
606 ASSERT (strlen (result) >= 3 + 3
607 && strisnan (result, 0, strlen (result) - 3, 0)
608 && strcmp (result + strlen (result) - 3, " 33") == 0);
609 ASSERT (length == strlen (result));
612 { /* Pseudo-Infinity. */
613 static union { unsigned int word[4]; long double value; } x =
614 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
617 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
618 ASSERT (result != NULL);
619 ASSERT (strlen (result) >= 3 + 3
620 && strisnan (result, 0, strlen (result) - 3, 0)
621 && strcmp (result + strlen (result) - 3, " 33") == 0);
622 ASSERT (length == strlen (result));
626 static union { unsigned int word[4]; long double value; } x =
627 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
630 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
631 ASSERT (result != NULL);
632 ASSERT (strlen (result) >= 3 + 3
633 && strisnan (result, 0, strlen (result) - 3, 0)
634 && strcmp (result + strlen (result) - 3, " 33") == 0);
635 ASSERT (length == strlen (result));
638 { /* Unnormalized number. */
639 static union { unsigned int word[4]; long double value; } x =
640 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
643 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
644 ASSERT (result != NULL);
645 ASSERT (strlen (result) >= 3 + 3
646 && strisnan (result, 0, strlen (result) - 3, 0)
647 && strcmp (result + strlen (result) - 3, " 33") == 0);
648 ASSERT (length == strlen (result));
651 { /* Pseudo-Denormal. */
652 static union { unsigned int word[4]; long double value; } x =
653 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
656 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
657 ASSERT (result != NULL);
658 ASSERT (strlen (result) >= 3 + 3
659 && strisnan (result, 0, strlen (result) - 3, 0)
660 && strcmp (result + strlen (result) - 3, " 33") == 0);
661 ASSERT (length == strlen (result));
666 { /* Rounding near the decimal point. */
669 my_asnprintf (NULL, &length, "%.0La %d", 1.5L, 33, 44, 55);
670 ASSERT (result != NULL);
671 ASSERT (strcmp (result, "0x2p+0 33") == 0
672 || strcmp (result, "0x3p-1 33") == 0
673 || strcmp (result, "0x6p-2 33") == 0
674 || strcmp (result, "0xcp-3 33") == 0);
675 ASSERT (length == strlen (result));
679 { /* Rounding with precision 0. */
682 my_asnprintf (NULL, &length, "%.0La %d", 1.51L, 33, 44, 55);
683 ASSERT (result != NULL);
684 ASSERT (strcmp (result, "0x2p+0 33") == 0
685 || strcmp (result, "0x3p-1 33") == 0
686 || strcmp (result, "0x6p-2 33") == 0
687 || strcmp (result, "0xcp-3 33") == 0);
688 ASSERT (length == strlen (result));
692 { /* Rounding with precision 1. */
695 my_asnprintf (NULL, &length, "%.1La %d", 1.51L, 33, 44, 55);
696 ASSERT (result != NULL);
697 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
698 || strcmp (result, "0x3.0p-1 33") == 0
699 || strcmp (result, "0x6.1p-2 33") == 0
700 || strcmp (result, "0xc.1p-3 33") == 0);
701 ASSERT (length == strlen (result));
705 { /* Rounding with precision 2. */
708 my_asnprintf (NULL, &length, "%.2La %d", 1.51L, 33, 44, 55);
709 ASSERT (result != NULL);
710 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
711 || strcmp (result, "0x3.05p-1 33") == 0
712 || strcmp (result, "0x6.0ap-2 33") == 0
713 || strcmp (result, "0xc.14p-3 33") == 0);
714 ASSERT (length == strlen (result));
718 { /* Rounding with precision 3. */
721 my_asnprintf (NULL, &length, "%.3La %d", 1.51L, 33, 44, 55);
722 ASSERT (result != NULL);
723 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
724 || strcmp (result, "0x3.052p-1 33") == 0
725 || strcmp (result, "0x6.0a4p-2 33") == 0
726 || strcmp (result, "0xc.148p-3 33") == 0);
727 ASSERT (length == strlen (result));
731 { /* Rounding can turn a ...FFF into a ...000. */
734 my_asnprintf (NULL, &length, "%.3La %d", 1.49999L, 33, 44, 55);
735 ASSERT (result != NULL);
736 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
737 || strcmp (result, "0x3.000p-1 33") == 0
738 || strcmp (result, "0x6.000p-2 33") == 0
739 || strcmp (result, "0xc.000p-3 33") == 0);
740 ASSERT (length == strlen (result));
744 { /* Rounding can turn a ...FFF into a ...000.
745 This shows a Mac OS X 10.3.9 (Darwin 7.9) bug and a
746 glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
749 my_asnprintf (NULL, &length, "%.1La %d", 1.999L, 33, 44, 55);
750 ASSERT (result != NULL);
751 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
752 || strcmp (result, "0x2.0p+0 33") == 0
753 || strcmp (result, "0x4.0p-1 33") == 0
754 || strcmp (result, "0x8.0p-2 33") == 0);
755 ASSERT (length == strlen (result));
762 my_asnprintf (NULL, &length, "%10La %d", 1.75L, 33, 44, 55);
763 ASSERT (result != NULL);
764 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
765 || strcmp (result, " 0x3.8p-1 33") == 0
766 || strcmp (result, " 0x7p-2 33") == 0
767 || strcmp (result, " 0xep-3 33") == 0);
768 ASSERT (length == strlen (result));
772 { /* Small precision. */
775 my_asnprintf (NULL, &length, "%.10La %d", 1.75L, 33, 44, 55);
776 ASSERT (result != NULL);
777 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
778 || strcmp (result, "0x3.8000000000p-1 33") == 0
779 || strcmp (result, "0x7.0000000000p-2 33") == 0
780 || strcmp (result, "0xe.0000000000p-3 33") == 0);
781 ASSERT (length == strlen (result));
785 { /* Large precision. */
788 my_asnprintf (NULL, &length, "%.50La %d", 1.75L, 33, 44, 55);
789 ASSERT (result != NULL);
790 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
791 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
792 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
793 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
794 ASSERT (length == strlen (result));
801 my_asnprintf (NULL, &length, "%-10La %d", 1.75L, 33, 44, 55);
802 ASSERT (result != NULL);
803 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
804 || strcmp (result, "0x3.8p-1 33") == 0
805 || strcmp (result, "0x7p-2 33") == 0
806 || strcmp (result, "0xep-3 33") == 0);
807 ASSERT (length == strlen (result));
811 { /* FLAG_SHOWSIGN. */
814 my_asnprintf (NULL, &length, "%+La %d", 1.75L, 33, 44, 55);
815 ASSERT (result != NULL);
816 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
817 || strcmp (result, "+0x3.8p-1 33") == 0
818 || strcmp (result, "+0x7p-2 33") == 0
819 || strcmp (result, "+0xep-3 33") == 0);
820 ASSERT (length == strlen (result));
827 my_asnprintf (NULL, &length, "% La %d", 1.75L, 33, 44, 55);
828 ASSERT (result != NULL);
829 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
830 || strcmp (result, " 0x3.8p-1 33") == 0
831 || strcmp (result, " 0x7p-2 33") == 0
832 || strcmp (result, " 0xep-3 33") == 0);
833 ASSERT (length == strlen (result));
840 my_asnprintf (NULL, &length, "%#La %d", 1.75L, 33, 44, 55);
841 ASSERT (result != NULL);
842 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
843 || strcmp (result, "0x3.8p-1 33") == 0
844 || strcmp (result, "0x7.p-2 33") == 0
845 || strcmp (result, "0xe.p-3 33") == 0);
846 ASSERT (length == strlen (result));
853 my_asnprintf (NULL, &length, "%#La %d", 1.0L, 33, 44, 55);
854 ASSERT (result != NULL);
855 ASSERT (strcmp (result, "0x1.p+0 33") == 0
856 || strcmp (result, "0x2.p-1 33") == 0
857 || strcmp (result, "0x4.p-2 33") == 0
858 || strcmp (result, "0x8.p-3 33") == 0);
859 ASSERT (length == strlen (result));
863 { /* FLAG_ZERO with finite number. */
866 my_asnprintf (NULL, &length, "%010La %d", 1.75L, 33, 44, 55);
867 ASSERT (result != NULL);
868 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
869 || strcmp (result, "0x003.8p-1 33") == 0
870 || strcmp (result, "0x00007p-2 33") == 0
871 || strcmp (result, "0x0000ep-3 33") == 0);
872 ASSERT (length == strlen (result));
876 { /* FLAG_ZERO with infinite number. */
879 my_asnprintf (NULL, &length, "%010La %d", Infinityl (), 33, 44, 55);
880 ASSERT (result != NULL);
881 /* "0000000inf 33" is not a valid result; see
882 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
883 ASSERT (strcmp (result, " inf 33") == 0);
884 ASSERT (length == strlen (result));
888 { /* FLAG_ZERO with NaN. */
891 my_asnprintf (NULL, &length, "%050La %d", NaNl (), 33, 44, 55);
892 ASSERT (result != NULL);
893 /* "0000000nan 33" is not a valid result; see
894 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
895 ASSERT (strlen (result) == 50 + 3
896 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
897 && strcmp (result + strlen (result) - 3, " 33") == 0);
898 ASSERT (length == strlen (result));
902 /* Test the support of the %f format directive. */
904 { /* A positive number. */
907 my_asnprintf (NULL, &length, "%f %d", 12.75, 33, 44, 55);
908 ASSERT (result != NULL);
909 ASSERT (strcmp (result, "12.750000 33") == 0);
910 ASSERT (length == strlen (result));
914 { /* A larger positive number. */
917 my_asnprintf (NULL, &length, "%f %d", 1234567.0, 33, 44, 55);
918 ASSERT (result != NULL);
919 ASSERT (strcmp (result, "1234567.000000 33") == 0);
920 ASSERT (length == strlen (result));
924 { /* Small and large positive numbers. */
925 static struct { double value; const char *string; } data[] =
927 { 1.234321234321234e-37, "0.000000" },
928 { 1.234321234321234e-36, "0.000000" },
929 { 1.234321234321234e-35, "0.000000" },
930 { 1.234321234321234e-34, "0.000000" },
931 { 1.234321234321234e-33, "0.000000" },
932 { 1.234321234321234e-32, "0.000000" },
933 { 1.234321234321234e-31, "0.000000" },
934 { 1.234321234321234e-30, "0.000000" },
935 { 1.234321234321234e-29, "0.000000" },
936 { 1.234321234321234e-28, "0.000000" },
937 { 1.234321234321234e-27, "0.000000" },
938 { 1.234321234321234e-26, "0.000000" },
939 { 1.234321234321234e-25, "0.000000" },
940 { 1.234321234321234e-24, "0.000000" },
941 { 1.234321234321234e-23, "0.000000" },
942 { 1.234321234321234e-22, "0.000000" },
943 { 1.234321234321234e-21, "0.000000" },
944 { 1.234321234321234e-20, "0.000000" },
945 { 1.234321234321234e-19, "0.000000" },
946 { 1.234321234321234e-18, "0.000000" },
947 { 1.234321234321234e-17, "0.000000" },
948 { 1.234321234321234e-16, "0.000000" },
949 { 1.234321234321234e-15, "0.000000" },
950 { 1.234321234321234e-14, "0.000000" },
951 { 1.234321234321234e-13, "0.000000" },
952 { 1.234321234321234e-12, "0.000000" },
953 { 1.234321234321234e-11, "0.000000" },
954 { 1.234321234321234e-10, "0.000000" },
955 { 1.234321234321234e-9, "0.000000" },
956 { 1.234321234321234e-8, "0.000000" },
957 { 1.234321234321234e-7, "0.000000" },
958 { 1.234321234321234e-6, "0.000001" },
959 { 1.234321234321234e-5, "0.000012" },
960 { 1.234321234321234e-4, "0.000123" },
961 { 1.234321234321234e-3, "0.001234" },
962 { 1.234321234321234e-2, "0.012343" },
963 { 1.234321234321234e-1, "0.123432" },
964 { 1.234321234321234, "1.234321" },
965 { 1.234321234321234e1, "12.343212" },
966 { 1.234321234321234e2, "123.432123" },
967 { 1.234321234321234e3, "1234.321234" },
968 { 1.234321234321234e4, "12343.212343" },
969 { 1.234321234321234e5, "123432.123432" },
970 { 1.234321234321234e6, "1234321.234321" },
971 { 1.234321234321234e7, "12343212.343212" },
972 { 1.234321234321234e8, "123432123.432123" },
973 { 1.234321234321234e9, "1234321234.321234" },
974 { 1.234321234321234e10, "12343212343.2123**" },
975 { 1.234321234321234e11, "123432123432.123***" },
976 { 1.234321234321234e12, "1234321234321.23****" },
977 { 1.234321234321234e13, "12343212343212.3*****" },
978 { 1.234321234321234e14, "123432123432123.******" },
979 { 1.234321234321234e15, "1234321234321234.000000" },
980 { 1.234321234321234e16, "123432123432123**.000000" },
981 { 1.234321234321234e17, "123432123432123***.000000" },
982 { 1.234321234321234e18, "123432123432123****.000000" },
983 { 1.234321234321234e19, "123432123432123*****.000000" },
984 { 1.234321234321234e20, "123432123432123******.000000" },
985 { 1.234321234321234e21, "123432123432123*******.000000" },
986 { 1.234321234321234e22, "123432123432123********.000000" },
987 { 1.234321234321234e23, "123432123432123*********.000000" },
988 { 1.234321234321234e24, "123432123432123**********.000000" },
989 { 1.234321234321234e25, "123432123432123***********.000000" },
990 { 1.234321234321234e26, "123432123432123************.000000" },
991 { 1.234321234321234e27, "123432123432123*************.000000" },
992 { 1.234321234321234e28, "123432123432123**************.000000" },
993 { 1.234321234321234e29, "123432123432123***************.000000" },
994 { 1.234321234321234e30, "123432123432123****************.000000" },
995 { 1.234321234321234e31, "123432123432123*****************.000000" },
996 { 1.234321234321234e32, "123432123432123******************.000000" },
997 { 1.234321234321234e33, "123432123432123*******************.000000" },
998 { 1.234321234321234e34, "123432123432123********************.000000" },
999 { 1.234321234321234e35, "123432123432123*********************.000000" },
1000 { 1.234321234321234e36, "123432123432123**********************.000000" }
1003 for (k = 0; k < SIZEOF (data); k++)
1007 my_asnprintf (NULL, &length, "%f", data[k].value);
1008 ASSERT (result != NULL);
1009 ASSERT (strmatch (data[k].string, result));
1010 ASSERT (length == strlen (result));
1015 { /* A negative number. */
1018 my_asnprintf (NULL, &length, "%f %d", -0.03125, 33, 44, 55);
1019 ASSERT (result != NULL);
1020 ASSERT (strcmp (result, "-0.031250 33") == 0);
1021 ASSERT (length == strlen (result));
1025 { /* Positive zero. */
1028 my_asnprintf (NULL, &length, "%f %d", 0.0, 33, 44, 55);
1029 ASSERT (result != NULL);
1030 ASSERT (strcmp (result, "0.000000 33") == 0);
1031 ASSERT (length == strlen (result));
1035 { /* Negative zero. */
1038 my_asnprintf (NULL, &length, "%f %d", minus_zerod, 33, 44, 55);
1039 ASSERT (result != NULL);
1040 if (have_minus_zero ())
1041 ASSERT (strcmp (result, "-0.000000 33") == 0);
1042 ASSERT (length == strlen (result));
1046 { /* Positive infinity. */
1049 my_asnprintf (NULL, &length, "%f %d", Infinityd (), 33, 44, 55);
1050 ASSERT (result != NULL);
1051 ASSERT (strcmp (result, "inf 33") == 0
1052 || strcmp (result, "infinity 33") == 0);
1053 ASSERT (length == strlen (result));
1057 { /* Negative infinity. */
1060 my_asnprintf (NULL, &length, "%f %d", - Infinityd (), 33, 44, 55);
1061 ASSERT (result != NULL);
1062 ASSERT (strcmp (result, "-inf 33") == 0
1063 || strcmp (result, "-infinity 33") == 0);
1064 ASSERT (length == strlen (result));
1071 my_asnprintf (NULL, &length, "%f %d", NaNd (), 33, 44, 55);
1072 ASSERT (result != NULL);
1073 ASSERT (strlen (result) >= 3 + 3
1074 && strisnan (result, 0, strlen (result) - 3, 0)
1075 && strcmp (result + strlen (result) - 3, " 33") == 0);
1076 ASSERT (length == strlen (result));
1083 my_asnprintf (NULL, &length, "%10f %d", 1.75, 33, 44, 55);
1084 ASSERT (result != NULL);
1085 ASSERT (strcmp (result, " 1.750000 33") == 0);
1086 ASSERT (length == strlen (result));
1093 my_asnprintf (NULL, &length, "%-10f %d", 1.75, 33, 44, 55);
1094 ASSERT (result != NULL);
1095 ASSERT (strcmp (result, "1.750000 33") == 0);
1096 ASSERT (length == strlen (result));
1100 { /* FLAG_SHOWSIGN. */
1103 my_asnprintf (NULL, &length, "%+f %d", 1.75, 33, 44, 55);
1104 ASSERT (result != NULL);
1105 ASSERT (strcmp (result, "+1.750000 33") == 0);
1106 ASSERT (length == strlen (result));
1113 my_asnprintf (NULL, &length, "% f %d", 1.75, 33, 44, 55);
1114 ASSERT (result != NULL);
1115 ASSERT (strcmp (result, " 1.750000 33") == 0);
1116 ASSERT (length == strlen (result));
1123 my_asnprintf (NULL, &length, "%#f %d", 1.75, 33, 44, 55);
1124 ASSERT (result != NULL);
1125 ASSERT (strcmp (result, "1.750000 33") == 0);
1126 ASSERT (length == strlen (result));
1133 my_asnprintf (NULL, &length, "%#.f %d", 1.75, 33, 44, 55);
1134 ASSERT (result != NULL);
1135 ASSERT (strcmp (result, "2. 33") == 0);
1136 ASSERT (length == strlen (result));
1140 { /* FLAG_ZERO with finite number. */
1143 my_asnprintf (NULL, &length, "%015f %d", 1234.0, 33, 44, 55);
1144 ASSERT (result != NULL);
1145 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1146 ASSERT (length == strlen (result));
1150 { /* FLAG_ZERO with infinite number. */
1153 my_asnprintf (NULL, &length, "%015f %d", - Infinityd (), 33, 44, 55);
1154 ASSERT (result != NULL);
1155 ASSERT (strcmp (result, " -inf 33") == 0
1156 || strcmp (result, " -infinity 33") == 0);
1157 ASSERT (length == strlen (result));
1161 { /* FLAG_ZERO with NaN. */
1164 my_asnprintf (NULL, &length, "%050f %d", NaNd (), 33, 44, 55);
1165 ASSERT (result != NULL);
1166 ASSERT (strlen (result) == 50 + 3
1167 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1168 && strcmp (result + strlen (result) - 3, " 33") == 0);
1169 ASSERT (length == strlen (result));
1176 my_asnprintf (NULL, &length, "%.f %d", 1234.0, 33, 44, 55);
1177 ASSERT (result != NULL);
1178 ASSERT (strcmp (result, "1234 33") == 0);
1179 ASSERT (length == strlen (result));
1183 { /* Precision with no rounding. */
1186 my_asnprintf (NULL, &length, "%.2f %d", 999.951, 33, 44, 55);
1187 ASSERT (result != NULL);
1188 ASSERT (strcmp (result, "999.95 33") == 0);
1189 ASSERT (length == strlen (result));
1193 { /* Precision with rounding. */
1196 my_asnprintf (NULL, &length, "%.2f %d", 999.996, 33, 44, 55);
1197 ASSERT (result != NULL);
1198 ASSERT (strcmp (result, "1000.00 33") == 0);
1199 ASSERT (length == strlen (result));
1203 { /* A positive number. */
1206 my_asnprintf (NULL, &length, "%Lf %d", 12.75L, 33, 44, 55);
1207 ASSERT (result != NULL);
1208 ASSERT (strcmp (result, "12.750000 33") == 0);
1209 ASSERT (length == strlen (result));
1213 { /* A larger positive number. */
1216 my_asnprintf (NULL, &length, "%Lf %d", 1234567.0L, 33, 44, 55);
1217 ASSERT (result != NULL);
1218 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1219 ASSERT (length == strlen (result));
1223 { /* Small and large positive numbers. */
1224 static struct { long double value; const char *string; } data[] =
1226 { 1.234321234321234e-37L, "0.000000" },
1227 { 1.234321234321234e-36L, "0.000000" },
1228 { 1.234321234321234e-35L, "0.000000" },
1229 { 1.234321234321234e-34L, "0.000000" },
1230 { 1.234321234321234e-33L, "0.000000" },
1231 { 1.234321234321234e-32L, "0.000000" },
1232 { 1.234321234321234e-31L, "0.000000" },
1233 { 1.234321234321234e-30L, "0.000000" },
1234 { 1.234321234321234e-29L, "0.000000" },
1235 { 1.234321234321234e-28L, "0.000000" },
1236 { 1.234321234321234e-27L, "0.000000" },
1237 { 1.234321234321234e-26L, "0.000000" },
1238 { 1.234321234321234e-25L, "0.000000" },
1239 { 1.234321234321234e-24L, "0.000000" },
1240 { 1.234321234321234e-23L, "0.000000" },
1241 { 1.234321234321234e-22L, "0.000000" },
1242 { 1.234321234321234e-21L, "0.000000" },
1243 { 1.234321234321234e-20L, "0.000000" },
1244 { 1.234321234321234e-19L, "0.000000" },
1245 { 1.234321234321234e-18L, "0.000000" },
1246 { 1.234321234321234e-17L, "0.000000" },
1247 { 1.234321234321234e-16L, "0.000000" },
1248 { 1.234321234321234e-15L, "0.000000" },
1249 { 1.234321234321234e-14L, "0.000000" },
1250 { 1.234321234321234e-13L, "0.000000" },
1251 { 1.234321234321234e-12L, "0.000000" },
1252 { 1.234321234321234e-11L, "0.000000" },
1253 { 1.234321234321234e-10L, "0.000000" },
1254 { 1.234321234321234e-9L, "0.000000" },
1255 { 1.234321234321234e-8L, "0.000000" },
1256 { 1.234321234321234e-7L, "0.000000" },
1257 { 1.234321234321234e-6L, "0.000001" },
1258 { 1.234321234321234e-5L, "0.000012" },
1259 { 1.234321234321234e-4L, "0.000123" },
1260 { 1.234321234321234e-3L, "0.001234" },
1261 { 1.234321234321234e-2L, "0.012343" },
1262 { 1.234321234321234e-1L, "0.123432" },
1263 { 1.234321234321234L, "1.234321" },
1264 { 1.234321234321234e1L, "12.343212" },
1265 { 1.234321234321234e2L, "123.432123" },
1266 { 1.234321234321234e3L, "1234.321234" },
1267 { 1.234321234321234e4L, "12343.212343" },
1268 { 1.234321234321234e5L, "123432.123432" },
1269 { 1.234321234321234e6L, "1234321.234321" },
1270 { 1.234321234321234e7L, "12343212.343212" },
1271 { 1.234321234321234e8L, "123432123.432123" },
1272 { 1.234321234321234e9L, "1234321234.321234" },
1273 { 1.234321234321234e10L, "12343212343.2123**" },
1274 { 1.234321234321234e11L, "123432123432.123***" },
1275 { 1.234321234321234e12L, "1234321234321.23****" },
1276 { 1.234321234321234e13L, "12343212343212.3*****" },
1277 { 1.234321234321234e14L, "123432123432123.******" },
1278 { 1.234321234321234e15L, "1234321234321234.000000" },
1279 { 1.234321234321234e16L, "123432123432123**.000000" },
1280 { 1.234321234321234e17L, "123432123432123***.000000" },
1281 { 1.234321234321234e18L, "123432123432123****.000000" },
1282 { 1.234321234321234e19L, "123432123432123*****.000000" },
1283 { 1.234321234321234e20L, "123432123432123******.000000" },
1284 { 1.234321234321234e21L, "123432123432123*******.000000" },
1285 { 1.234321234321234e22L, "123432123432123********.000000" },
1286 { 1.234321234321234e23L, "123432123432123*********.000000" },
1287 { 1.234321234321234e24L, "123432123432123**********.000000" },
1288 { 1.234321234321234e25L, "123432123432123***********.000000" },
1289 { 1.234321234321234e26L, "123432123432123************.000000" },
1290 { 1.234321234321234e27L, "123432123432123*************.000000" },
1291 { 1.234321234321234e28L, "123432123432123**************.000000" },
1292 { 1.234321234321234e29L, "123432123432123***************.000000" },
1293 { 1.234321234321234e30L, "123432123432123****************.000000" },
1294 { 1.234321234321234e31L, "123432123432123*****************.000000" },
1295 { 1.234321234321234e32L, "123432123432123******************.000000" },
1296 { 1.234321234321234e33L, "123432123432123*******************.000000" },
1297 { 1.234321234321234e34L, "123432123432123********************.000000" },
1298 { 1.234321234321234e35L, "123432123432123*********************.000000" },
1299 { 1.234321234321234e36L, "123432123432123**********************.000000" }
1302 for (k = 0; k < SIZEOF (data); k++)
1306 my_asnprintf (NULL, &length, "%Lf", data[k].value);
1307 ASSERT (result != NULL);
1308 ASSERT (strmatch (data[k].string, result));
1309 ASSERT (length == strlen (result));
1314 { /* A negative number. */
1317 my_asnprintf (NULL, &length, "%Lf %d", -0.03125L, 33, 44, 55);
1318 ASSERT (result != NULL);
1319 ASSERT (strcmp (result, "-0.031250 33") == 0);
1320 ASSERT (length == strlen (result));
1324 { /* Positive zero. */
1327 my_asnprintf (NULL, &length, "%Lf %d", 0.0L, 33, 44, 55);
1328 ASSERT (result != NULL);
1329 ASSERT (strcmp (result, "0.000000 33") == 0);
1330 ASSERT (length == strlen (result));
1334 { /* Negative zero. */
1337 my_asnprintf (NULL, &length, "%Lf %d", minus_zerol, 33, 44, 55);
1338 ASSERT (result != NULL);
1339 if (have_minus_zero ())
1340 ASSERT (strcmp (result, "-0.000000 33") == 0);
1341 ASSERT (length == strlen (result));
1345 { /* Positive infinity. */
1348 my_asnprintf (NULL, &length, "%Lf %d", Infinityl (), 33, 44, 55);
1349 ASSERT (result != NULL);
1350 ASSERT (strcmp (result, "inf 33") == 0
1351 || strcmp (result, "infinity 33") == 0);
1352 ASSERT (length == strlen (result));
1356 { /* Negative infinity. */
1359 my_asnprintf (NULL, &length, "%Lf %d", - Infinityl (), 33, 44, 55);
1360 ASSERT (result != NULL);
1361 ASSERT (strcmp (result, "-inf 33") == 0
1362 || strcmp (result, "-infinity 33") == 0);
1363 ASSERT (length == strlen (result));
1370 my_asnprintf (NULL, &length, "%Lf %d", NaNl (), 33, 44, 55);
1371 ASSERT (result != NULL);
1372 ASSERT (strlen (result) >= 3 + 3
1373 && strisnan (result, 0, strlen (result) - 3, 0)
1374 && strcmp (result + strlen (result) - 3, " 33") == 0);
1375 ASSERT (length == strlen (result));
1378 #if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE
1380 static union { unsigned int word[4]; long double value; } x =
1381 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
1384 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1385 ASSERT (result != NULL);
1386 ASSERT (strlen (result) >= 3 + 3
1387 && strisnan (result, 0, strlen (result) - 3, 0)
1388 && strcmp (result + strlen (result) - 3, " 33") == 0);
1389 ASSERT (length == strlen (result));
1393 /* Signalling NaN. */
1394 static union { unsigned int word[4]; long double value; } x =
1395 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
1398 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1399 ASSERT (result != NULL);
1400 ASSERT (strlen (result) >= 3 + 3
1401 && strisnan (result, 0, strlen (result) - 3, 0)
1402 && strcmp (result + strlen (result) - 3, " 33") == 0);
1403 ASSERT (length == strlen (result));
1406 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
1407 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
1408 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
1409 Application Architecture.
1410 Table 5-2 "Floating-Point Register Encodings"
1411 Figure 5-6 "Memory to Floating-Point Register Data Translation"
1414 static union { unsigned int word[4]; long double value; } x =
1415 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
1418 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1419 ASSERT (result != NULL);
1420 ASSERT (strlen (result) >= 3 + 3
1421 && strisnan (result, 0, strlen (result) - 3, 0)
1422 && strcmp (result + strlen (result) - 3, " 33") == 0);
1423 ASSERT (length == strlen (result));
1426 { /* Pseudo-Infinity. */
1427 static union { unsigned int word[4]; long double value; } x =
1428 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
1431 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1432 ASSERT (result != NULL);
1433 ASSERT (strlen (result) >= 3 + 3
1434 && strisnan (result, 0, strlen (result) - 3, 0)
1435 && strcmp (result + strlen (result) - 3, " 33") == 0);
1436 ASSERT (length == strlen (result));
1439 { /* Pseudo-Zero. */
1440 static union { unsigned int word[4]; long double value; } x =
1441 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
1444 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1445 ASSERT (result != NULL);
1446 ASSERT (strlen (result) >= 3 + 3
1447 && strisnan (result, 0, strlen (result) - 3, 0)
1448 && strcmp (result + strlen (result) - 3, " 33") == 0);
1449 ASSERT (length == strlen (result));
1452 { /* Unnormalized number. */
1453 static union { unsigned int word[4]; long double value; } x =
1454 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
1457 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1458 ASSERT (result != NULL);
1459 ASSERT (strlen (result) >= 3 + 3
1460 && strisnan (result, 0, strlen (result) - 3, 0)
1461 && strcmp (result + strlen (result) - 3, " 33") == 0);
1462 ASSERT (length == strlen (result));
1465 { /* Pseudo-Denormal. */
1466 static union { unsigned int word[4]; long double value; } x =
1467 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
1470 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1471 ASSERT (result != NULL);
1472 ASSERT (strlen (result) >= 3 + 3
1473 && strisnan (result, 0, strlen (result) - 3, 0)
1474 && strcmp (result + strlen (result) - 3, " 33") == 0);
1475 ASSERT (length == strlen (result));
1483 my_asnprintf (NULL, &length, "%10Lf %d", 1.75L, 33, 44, 55);
1484 ASSERT (result != NULL);
1485 ASSERT (strcmp (result, " 1.750000 33") == 0);
1486 ASSERT (length == strlen (result));
1493 my_asnprintf (NULL, &length, "%-10Lf %d", 1.75L, 33, 44, 55);
1494 ASSERT (result != NULL);
1495 ASSERT (strcmp (result, "1.750000 33") == 0);
1496 ASSERT (length == strlen (result));
1500 { /* FLAG_SHOWSIGN. */
1503 my_asnprintf (NULL, &length, "%+Lf %d", 1.75L, 33, 44, 55);
1504 ASSERT (result != NULL);
1505 ASSERT (strcmp (result, "+1.750000 33") == 0);
1506 ASSERT (length == strlen (result));
1513 my_asnprintf (NULL, &length, "% Lf %d", 1.75L, 33, 44, 55);
1514 ASSERT (result != NULL);
1515 ASSERT (strcmp (result, " 1.750000 33") == 0);
1516 ASSERT (length == strlen (result));
1523 my_asnprintf (NULL, &length, "%#Lf %d", 1.75L, 33, 44, 55);
1524 ASSERT (result != NULL);
1525 ASSERT (strcmp (result, "1.750000 33") == 0);
1526 ASSERT (length == strlen (result));
1533 my_asnprintf (NULL, &length, "%#.Lf %d", 1.75L, 33, 44, 55);
1534 ASSERT (result != NULL);
1535 ASSERT (strcmp (result, "2. 33") == 0);
1536 ASSERT (length == strlen (result));
1540 { /* FLAG_ZERO with finite number. */
1543 my_asnprintf (NULL, &length, "%015Lf %d", 1234.0L, 33, 44, 55);
1544 ASSERT (result != NULL);
1545 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1546 ASSERT (length == strlen (result));
1550 { /* FLAG_ZERO with infinite number. */
1553 my_asnprintf (NULL, &length, "%015Lf %d", - Infinityl (), 33, 44, 55);
1554 ASSERT (result != NULL);
1555 ASSERT (strcmp (result, " -inf 33") == 0
1556 || strcmp (result, " -infinity 33") == 0);
1557 ASSERT (length == strlen (result));
1561 { /* FLAG_ZERO with NaN. */
1564 my_asnprintf (NULL, &length, "%050Lf %d", NaNl (), 33, 44, 55);
1565 ASSERT (result != NULL);
1566 ASSERT (strlen (result) == 50 + 3
1567 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1568 && strcmp (result + strlen (result) - 3, " 33") == 0);
1569 ASSERT (length == strlen (result));
1576 my_asnprintf (NULL, &length, "%.Lf %d", 1234.0L, 33, 44, 55);
1577 ASSERT (result != NULL);
1578 ASSERT (strcmp (result, "1234 33") == 0);
1579 ASSERT (length == strlen (result));
1583 { /* Precision with no rounding. */
1586 my_asnprintf (NULL, &length, "%.2Lf %d", 999.951L, 33, 44, 55);
1587 ASSERT (result != NULL);
1588 ASSERT (strcmp (result, "999.95 33") == 0);
1589 ASSERT (length == strlen (result));
1593 { /* Precision with rounding. */
1596 my_asnprintf (NULL, &length, "%.2Lf %d", 999.996L, 33, 44, 55);
1597 ASSERT (result != NULL);
1598 ASSERT (strcmp (result, "1000.00 33") == 0);
1599 ASSERT (length == strlen (result));
1603 /* Test the support of the %F format directive. */
1605 { /* A positive number. */
1608 my_asnprintf (NULL, &length, "%F %d", 12.75, 33, 44, 55);
1609 ASSERT (result != NULL);
1610 ASSERT (strcmp (result, "12.750000 33") == 0);
1611 ASSERT (length == strlen (result));
1615 { /* A larger positive number. */
1618 my_asnprintf (NULL, &length, "%F %d", 1234567.0, 33, 44, 55);
1619 ASSERT (result != NULL);
1620 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1621 ASSERT (length == strlen (result));
1625 { /* A negative number. */
1628 my_asnprintf (NULL, &length, "%F %d", -0.03125, 33, 44, 55);
1629 ASSERT (result != NULL);
1630 ASSERT (strcmp (result, "-0.031250 33") == 0);
1631 ASSERT (length == strlen (result));
1635 { /* Positive zero. */
1638 my_asnprintf (NULL, &length, "%F %d", 0.0, 33, 44, 55);
1639 ASSERT (result != NULL);
1640 ASSERT (strcmp (result, "0.000000 33") == 0);
1641 ASSERT (length == strlen (result));
1645 { /* Negative zero. */
1648 my_asnprintf (NULL, &length, "%F %d", minus_zerod, 33, 44, 55);
1649 ASSERT (result != NULL);
1650 if (have_minus_zero ())
1651 ASSERT (strcmp (result, "-0.000000 33") == 0);
1652 ASSERT (length == strlen (result));
1656 { /* Positive infinity. */
1659 my_asnprintf (NULL, &length, "%F %d", Infinityd (), 33, 44, 55);
1660 ASSERT (result != NULL);
1661 ASSERT (strcmp (result, "INF 33") == 0
1662 || strcmp (result, "INFINITY 33") == 0);
1663 ASSERT (length == strlen (result));
1667 { /* Negative infinity. */
1670 my_asnprintf (NULL, &length, "%F %d", - Infinityd (), 33, 44, 55);
1671 ASSERT (result != NULL);
1672 ASSERT (strcmp (result, "-INF 33") == 0
1673 || strcmp (result, "-INFINITY 33") == 0);
1674 ASSERT (length == strlen (result));
1681 my_asnprintf (NULL, &length, "%F %d", NaNd (), 33, 44, 55);
1682 ASSERT (result != NULL);
1683 ASSERT (strlen (result) >= 3 + 3
1684 && strisnan (result, 0, strlen (result) - 3, 1)
1685 && strcmp (result + strlen (result) - 3, " 33") == 0);
1686 ASSERT (length == strlen (result));
1693 my_asnprintf (NULL, &length, "%015F %d", 1234.0, 33, 44, 55);
1694 ASSERT (result != NULL);
1695 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1696 ASSERT (length == strlen (result));
1700 { /* FLAG_ZERO with infinite number. */
1703 my_asnprintf (NULL, &length, "%015F %d", - Infinityd (), 33, 44, 55);
1704 ASSERT (result != NULL);
1705 ASSERT (strcmp (result, " -INF 33") == 0
1706 || strcmp (result, " -INFINITY 33") == 0);
1707 ASSERT (length == strlen (result));
1714 my_asnprintf (NULL, &length, "%.F %d", 1234.0, 33, 44, 55);
1715 ASSERT (result != NULL);
1716 ASSERT (strcmp (result, "1234 33") == 0);
1717 ASSERT (length == strlen (result));
1721 { /* Precision with no rounding. */
1724 my_asnprintf (NULL, &length, "%.2F %d", 999.951, 33, 44, 55);
1725 ASSERT (result != NULL);
1726 ASSERT (strcmp (result, "999.95 33") == 0);
1727 ASSERT (length == strlen (result));
1731 { /* Precision with rounding. */
1734 my_asnprintf (NULL, &length, "%.2F %d", 999.996, 33, 44, 55);
1735 ASSERT (result != NULL);
1736 ASSERT (strcmp (result, "1000.00 33") == 0);
1737 ASSERT (length == strlen (result));
1741 { /* A positive number. */
1744 my_asnprintf (NULL, &length, "%LF %d", 12.75L, 33, 44, 55);
1745 ASSERT (result != NULL);
1746 ASSERT (strcmp (result, "12.750000 33") == 0);
1747 ASSERT (length == strlen (result));
1751 { /* A larger positive number. */
1754 my_asnprintf (NULL, &length, "%LF %d", 1234567.0L, 33, 44, 55);
1755 ASSERT (result != NULL);
1756 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1757 ASSERT (length == strlen (result));
1761 { /* A negative number. */
1764 my_asnprintf (NULL, &length, "%LF %d", -0.03125L, 33, 44, 55);
1765 ASSERT (result != NULL);
1766 ASSERT (strcmp (result, "-0.031250 33") == 0);
1767 ASSERT (length == strlen (result));
1771 { /* Positive zero. */
1774 my_asnprintf (NULL, &length, "%LF %d", 0.0L, 33, 44, 55);
1775 ASSERT (result != NULL);
1776 ASSERT (strcmp (result, "0.000000 33") == 0);
1777 ASSERT (length == strlen (result));
1781 { /* Negative zero. */
1784 my_asnprintf (NULL, &length, "%LF %d", minus_zerol, 33, 44, 55);
1785 ASSERT (result != NULL);
1786 if (have_minus_zero ())
1787 ASSERT (strcmp (result, "-0.000000 33") == 0);
1788 ASSERT (length == strlen (result));
1792 { /* Positive infinity. */
1795 my_asnprintf (NULL, &length, "%LF %d", Infinityl (), 33, 44, 55);
1796 ASSERT (result != NULL);
1797 ASSERT (strcmp (result, "INF 33") == 0
1798 || strcmp (result, "INFINITY 33") == 0);
1799 ASSERT (length == strlen (result));
1803 { /* Negative infinity. */
1806 my_asnprintf (NULL, &length, "%LF %d", - Infinityl (), 33, 44, 55);
1807 ASSERT (result != NULL);
1808 ASSERT (strcmp (result, "-INF 33") == 0
1809 || strcmp (result, "-INFINITY 33") == 0);
1810 ASSERT (length == strlen (result));
1817 my_asnprintf (NULL, &length, "%LF %d", NaNl (), 33, 44, 55);
1818 ASSERT (result != NULL);
1819 ASSERT (strlen (result) >= 3 + 3
1820 && strisnan (result, 0, strlen (result) - 3, 1)
1821 && strcmp (result + strlen (result) - 3, " 33") == 0);
1822 ASSERT (length == strlen (result));
1829 my_asnprintf (NULL, &length, "%015LF %d", 1234.0L, 33, 44, 55);
1830 ASSERT (result != NULL);
1831 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1832 ASSERT (length == strlen (result));
1836 { /* FLAG_ZERO with infinite number. */
1839 my_asnprintf (NULL, &length, "%015LF %d", - Infinityl (), 33, 44, 55);
1840 ASSERT (result != NULL);
1841 ASSERT (strcmp (result, " -INF 33") == 0
1842 || strcmp (result, " -INFINITY 33") == 0);
1843 ASSERT (length == strlen (result));
1850 my_asnprintf (NULL, &length, "%.LF %d", 1234.0L, 33, 44, 55);
1851 ASSERT (result != NULL);
1852 ASSERT (strcmp (result, "1234 33") == 0);
1853 ASSERT (length == strlen (result));
1857 { /* Precision with no rounding. */
1860 my_asnprintf (NULL, &length, "%.2LF %d", 999.951L, 33, 44, 55);
1861 ASSERT (result != NULL);
1862 ASSERT (strcmp (result, "999.95 33") == 0);
1863 ASSERT (length == strlen (result));
1867 { /* Precision with rounding. */
1870 my_asnprintf (NULL, &length, "%.2LF %d", 999.996L, 33, 44, 55);
1871 ASSERT (result != NULL);
1872 ASSERT (strcmp (result, "1000.00 33") == 0);
1873 ASSERT (length == strlen (result));
1877 /* Test the support of the %e format directive. */
1879 { /* A positive number. */
1882 my_asnprintf (NULL, &length, "%e %d", 12.75, 33, 44, 55);
1883 ASSERT (result != NULL);
1884 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1885 || strcmp (result, "1.275000e+001 33") == 0);
1886 ASSERT (length == strlen (result));
1890 { /* A larger positive number. */
1893 my_asnprintf (NULL, &length, "%e %d", 1234567.0, 33, 44, 55);
1894 ASSERT (result != NULL);
1895 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1896 || strcmp (result, "1.234567e+006 33") == 0);
1897 ASSERT (length == strlen (result));
1901 { /* Small and large positive numbers. */
1902 static struct { double value; const char *string; } data[] =
1904 { 1.234321234321234e-37, "1.234321e-37" },
1905 { 1.234321234321234e-36, "1.234321e-36" },
1906 { 1.234321234321234e-35, "1.234321e-35" },
1907 { 1.234321234321234e-34, "1.234321e-34" },
1908 { 1.234321234321234e-33, "1.234321e-33" },
1909 { 1.234321234321234e-32, "1.234321e-32" },
1910 { 1.234321234321234e-31, "1.234321e-31" },
1911 { 1.234321234321234e-30, "1.234321e-30" },
1912 { 1.234321234321234e-29, "1.234321e-29" },
1913 { 1.234321234321234e-28, "1.234321e-28" },
1914 { 1.234321234321234e-27, "1.234321e-27" },
1915 { 1.234321234321234e-26, "1.234321e-26" },
1916 { 1.234321234321234e-25, "1.234321e-25" },
1917 { 1.234321234321234e-24, "1.234321e-24" },
1918 { 1.234321234321234e-23, "1.234321e-23" },
1919 { 1.234321234321234e-22, "1.234321e-22" },
1920 { 1.234321234321234e-21, "1.234321e-21" },
1921 { 1.234321234321234e-20, "1.234321e-20" },
1922 { 1.234321234321234e-19, "1.234321e-19" },
1923 { 1.234321234321234e-18, "1.234321e-18" },
1924 { 1.234321234321234e-17, "1.234321e-17" },
1925 { 1.234321234321234e-16, "1.234321e-16" },
1926 { 1.234321234321234e-15, "1.234321e-15" },
1927 { 1.234321234321234e-14, "1.234321e-14" },
1928 { 1.234321234321234e-13, "1.234321e-13" },
1929 { 1.234321234321234e-12, "1.234321e-12" },
1930 { 1.234321234321234e-11, "1.234321e-11" },
1931 { 1.234321234321234e-10, "1.234321e-10" },
1932 { 1.234321234321234e-9, "1.234321e-09" },
1933 { 1.234321234321234e-8, "1.234321e-08" },
1934 { 1.234321234321234e-7, "1.234321e-07" },
1935 { 1.234321234321234e-6, "1.234321e-06" },
1936 { 1.234321234321234e-5, "1.234321e-05" },
1937 { 1.234321234321234e-4, "1.234321e-04" },
1938 { 1.234321234321234e-3, "1.234321e-03" },
1939 { 1.234321234321234e-2, "1.234321e-02" },
1940 { 1.234321234321234e-1, "1.234321e-01" },
1941 { 1.234321234321234, "1.234321e+00" },
1942 { 1.234321234321234e1, "1.234321e+01" },
1943 { 1.234321234321234e2, "1.234321e+02" },
1944 { 1.234321234321234e3, "1.234321e+03" },
1945 { 1.234321234321234e4, "1.234321e+04" },
1946 { 1.234321234321234e5, "1.234321e+05" },
1947 { 1.234321234321234e6, "1.234321e+06" },
1948 { 1.234321234321234e7, "1.234321e+07" },
1949 { 1.234321234321234e8, "1.234321e+08" },
1950 { 1.234321234321234e9, "1.234321e+09" },
1951 { 1.234321234321234e10, "1.234321e+10" },
1952 { 1.234321234321234e11, "1.234321e+11" },
1953 { 1.234321234321234e12, "1.234321e+12" },
1954 { 1.234321234321234e13, "1.234321e+13" },
1955 { 1.234321234321234e14, "1.234321e+14" },
1956 { 1.234321234321234e15, "1.234321e+15" },
1957 { 1.234321234321234e16, "1.234321e+16" },
1958 { 1.234321234321234e17, "1.234321e+17" },
1959 { 1.234321234321234e18, "1.234321e+18" },
1960 { 1.234321234321234e19, "1.234321e+19" },
1961 { 1.234321234321234e20, "1.234321e+20" },
1962 { 1.234321234321234e21, "1.234321e+21" },
1963 { 1.234321234321234e22, "1.234321e+22" },
1964 { 1.234321234321234e23, "1.234321e+23" },
1965 { 1.234321234321234e24, "1.234321e+24" },
1966 { 1.234321234321234e25, "1.234321e+25" },
1967 { 1.234321234321234e26, "1.234321e+26" },
1968 { 1.234321234321234e27, "1.234321e+27" },
1969 { 1.234321234321234e28, "1.234321e+28" },
1970 { 1.234321234321234e29, "1.234321e+29" },
1971 { 1.234321234321234e30, "1.234321e+30" },
1972 { 1.234321234321234e31, "1.234321e+31" },
1973 { 1.234321234321234e32, "1.234321e+32" },
1974 { 1.234321234321234e33, "1.234321e+33" },
1975 { 1.234321234321234e34, "1.234321e+34" },
1976 { 1.234321234321234e35, "1.234321e+35" },
1977 { 1.234321234321234e36, "1.234321e+36" }
1980 for (k = 0; k < SIZEOF (data); k++)
1984 my_asnprintf (NULL, &length, "%e", data[k].value);
1985 const char *expected = data[k].string;
1986 ASSERT (result != NULL);
1987 ASSERT (strcmp (result, expected) == 0
1988 /* Some implementations produce exponents with 3 digits. */
1989 || (strlen (result) == strlen (expected) + 1
1990 && memcmp (result, expected, strlen (expected) - 2) == 0
1991 && result[strlen (expected) - 2] == '0'
1992 && strcmp (result + strlen (expected) - 1,
1993 expected + strlen (expected) - 2)
1995 ASSERT (length == strlen (result));
2000 { /* A negative number. */
2003 my_asnprintf (NULL, &length, "%e %d", -0.03125, 33, 44, 55);
2004 ASSERT (result != NULL);
2005 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
2006 || strcmp (result, "-3.125000e-002 33") == 0);
2007 ASSERT (length == strlen (result));
2011 { /* Positive zero. */
2014 my_asnprintf (NULL, &length, "%e %d", 0.0, 33, 44, 55);
2015 ASSERT (result != NULL);
2016 ASSERT (strcmp (result, "0.000000e+00 33") == 0
2017 || strcmp (result, "0.000000e+000 33") == 0);
2018 ASSERT (length == strlen (result));
2022 { /* Negative zero. */
2025 my_asnprintf (NULL, &length, "%e %d", minus_zerod, 33, 44, 55);
2026 ASSERT (result != NULL);
2027 if (have_minus_zero ())
2028 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
2029 || strcmp (result, "-0.000000e+000 33") == 0);
2030 ASSERT (length == strlen (result));
2034 { /* Positive infinity. */
2037 my_asnprintf (NULL, &length, "%e %d", Infinityd (), 33, 44, 55);
2038 ASSERT (result != NULL);
2039 ASSERT (strcmp (result, "inf 33") == 0
2040 || strcmp (result, "infinity 33") == 0);
2041 ASSERT (length == strlen (result));
2045 { /* Negative infinity. */
2048 my_asnprintf (NULL, &length, "%e %d", - Infinityd (), 33, 44, 55);
2049 ASSERT (result != NULL);
2050 ASSERT (strcmp (result, "-inf 33") == 0
2051 || strcmp (result, "-infinity 33") == 0);
2052 ASSERT (length == strlen (result));
2059 my_asnprintf (NULL, &length, "%e %d", NaNd (), 33, 44, 55);
2060 ASSERT (result != NULL);
2061 ASSERT (strlen (result) >= 3 + 3
2062 && strisnan (result, 0, strlen (result) - 3, 0)
2063 && strcmp (result + strlen (result) - 3, " 33") == 0);
2064 ASSERT (length == strlen (result));
2071 my_asnprintf (NULL, &length, "%15e %d", 1.75, 33, 44, 55);
2072 ASSERT (result != NULL);
2073 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2074 || strcmp (result, " 1.750000e+000 33") == 0);
2075 ASSERT (length == strlen (result));
2082 my_asnprintf (NULL, &length, "%-15e %d", 1.75, 33, 44, 55);
2083 ASSERT (result != NULL);
2084 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2085 || strcmp (result, "1.750000e+000 33") == 0);
2086 ASSERT (length == strlen (result));
2090 { /* FLAG_SHOWSIGN. */
2093 my_asnprintf (NULL, &length, "%+e %d", 1.75, 33, 44, 55);
2094 ASSERT (result != NULL);
2095 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
2096 || strcmp (result, "+1.750000e+000 33") == 0);
2097 ASSERT (length == strlen (result));
2104 my_asnprintf (NULL, &length, "% e %d", 1.75, 33, 44, 55);
2105 ASSERT (result != NULL);
2106 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2107 || strcmp (result, " 1.750000e+000 33") == 0);
2108 ASSERT (length == strlen (result));
2115 my_asnprintf (NULL, &length, "%#e %d", 1.75, 33, 44, 55);
2116 ASSERT (result != NULL);
2117 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2118 || strcmp (result, "1.750000e+000 33") == 0);
2119 ASSERT (length == strlen (result));
2126 my_asnprintf (NULL, &length, "%#.e %d", 1.75, 33, 44, 55);
2127 ASSERT (result != NULL);
2128 ASSERT (strcmp (result, "2.e+00 33") == 0
2129 || strcmp (result, "2.e+000 33") == 0);
2130 ASSERT (length == strlen (result));
2137 my_asnprintf (NULL, &length, "%#.e %d", 9.75, 33, 44, 55);
2138 ASSERT (result != NULL);
2139 ASSERT (strcmp (result, "1.e+01 33") == 0
2140 || strcmp (result, "1.e+001 33") == 0);
2141 ASSERT (length == strlen (result));
2145 { /* FLAG_ZERO with finite number. */
2148 my_asnprintf (NULL, &length, "%015e %d", 1234.0, 33, 44, 55);
2149 ASSERT (result != NULL);
2150 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
2151 || strcmp (result, "001.234000e+003 33") == 0);
2152 ASSERT (length == strlen (result));
2156 { /* FLAG_ZERO with infinite number. */
2159 my_asnprintf (NULL, &length, "%015e %d", - Infinityd (), 33, 44, 55);
2160 ASSERT (result != NULL);
2161 ASSERT (strcmp (result, " -inf 33") == 0
2162 || strcmp (result, " -infinity 33") == 0);
2163 ASSERT (length == strlen (result));
2167 { /* FLAG_ZERO with NaN. */
2170 my_asnprintf (NULL, &length, "%050e %d", NaNd (), 33, 44, 55);
2171 ASSERT (result != NULL);
2172 ASSERT (strlen (result) == 50 + 3
2173 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2174 && strcmp (result + strlen (result) - 3, " 33") == 0);
2175 ASSERT (length == strlen (result));
2182 my_asnprintf (NULL, &length, "%.e %d", 1234.0, 33, 44, 55);
2183 ASSERT (result != NULL);
2184 ASSERT (strcmp (result, "1e+03 33") == 0
2185 || strcmp (result, "1e+003 33") == 0);
2186 ASSERT (length == strlen (result));
2190 { /* Precision with no rounding. */
2193 my_asnprintf (NULL, &length, "%.4e %d", 999.951, 33, 44, 55);
2194 ASSERT (result != NULL);
2195 ASSERT (strcmp (result, "9.9995e+02 33") == 0
2196 || strcmp (result, "9.9995e+002 33") == 0);
2197 ASSERT (length == strlen (result));
2201 { /* Precision with rounding. */
2204 my_asnprintf (NULL, &length, "%.4e %d", 999.996, 33, 44, 55);
2205 ASSERT (result != NULL);
2206 ASSERT (strcmp (result, "1.0000e+03 33") == 0
2207 || strcmp (result, "1.0000e+003 33") == 0);
2208 ASSERT (length == strlen (result));
2212 { /* A positive number. */
2215 my_asnprintf (NULL, &length, "%Le %d", 12.75L, 33, 44, 55);
2216 ASSERT (result != NULL);
2217 ASSERT (strcmp (result, "1.275000e+01 33") == 0
2218 || strcmp (result, "1.275000e+001 33") == 0);
2219 ASSERT (length == strlen (result));
2223 { /* A larger positive number. */
2226 my_asnprintf (NULL, &length, "%Le %d", 1234567.0L, 33, 44, 55);
2227 ASSERT (result != NULL);
2228 ASSERT (strcmp (result, "1.234567e+06 33") == 0
2229 || strcmp (result, "1.234567e+006 33") == 0);
2230 ASSERT (length == strlen (result));
2234 { /* Small and large positive numbers. */
2235 static struct { long double value; const char *string; } data[] =
2237 { 1.234321234321234e-37L, "1.234321e-37" },
2238 { 1.234321234321234e-36L, "1.234321e-36" },
2239 { 1.234321234321234e-35L, "1.234321e-35" },
2240 { 1.234321234321234e-34L, "1.234321e-34" },
2241 { 1.234321234321234e-33L, "1.234321e-33" },
2242 { 1.234321234321234e-32L, "1.234321e-32" },
2243 { 1.234321234321234e-31L, "1.234321e-31" },
2244 { 1.234321234321234e-30L, "1.234321e-30" },
2245 { 1.234321234321234e-29L, "1.234321e-29" },
2246 { 1.234321234321234e-28L, "1.234321e-28" },
2247 { 1.234321234321234e-27L, "1.234321e-27" },
2248 { 1.234321234321234e-26L, "1.234321e-26" },
2249 { 1.234321234321234e-25L, "1.234321e-25" },
2250 { 1.234321234321234e-24L, "1.234321e-24" },
2251 { 1.234321234321234e-23L, "1.234321e-23" },
2252 { 1.234321234321234e-22L, "1.234321e-22" },
2253 { 1.234321234321234e-21L, "1.234321e-21" },
2254 { 1.234321234321234e-20L, "1.234321e-20" },
2255 { 1.234321234321234e-19L, "1.234321e-19" },
2256 { 1.234321234321234e-18L, "1.234321e-18" },
2257 { 1.234321234321234e-17L, "1.234321e-17" },
2258 { 1.234321234321234e-16L, "1.234321e-16" },
2259 { 1.234321234321234e-15L, "1.234321e-15" },
2260 { 1.234321234321234e-14L, "1.234321e-14" },
2261 { 1.234321234321234e-13L, "1.234321e-13" },
2262 { 1.234321234321234e-12L, "1.234321e-12" },
2263 { 1.234321234321234e-11L, "1.234321e-11" },
2264 { 1.234321234321234e-10L, "1.234321e-10" },
2265 { 1.234321234321234e-9L, "1.234321e-09" },
2266 { 1.234321234321234e-8L, "1.234321e-08" },
2267 { 1.234321234321234e-7L, "1.234321e-07" },
2268 { 1.234321234321234e-6L, "1.234321e-06" },
2269 { 1.234321234321234e-5L, "1.234321e-05" },
2270 { 1.234321234321234e-4L, "1.234321e-04" },
2271 { 1.234321234321234e-3L, "1.234321e-03" },
2272 { 1.234321234321234e-2L, "1.234321e-02" },
2273 { 1.234321234321234e-1L, "1.234321e-01" },
2274 { 1.234321234321234L, "1.234321e+00" },
2275 { 1.234321234321234e1L, "1.234321e+01" },
2276 { 1.234321234321234e2L, "1.234321e+02" },
2277 { 1.234321234321234e3L, "1.234321e+03" },
2278 { 1.234321234321234e4L, "1.234321e+04" },
2279 { 1.234321234321234e5L, "1.234321e+05" },
2280 { 1.234321234321234e6L, "1.234321e+06" },
2281 { 1.234321234321234e7L, "1.234321e+07" },
2282 { 1.234321234321234e8L, "1.234321e+08" },
2283 { 1.234321234321234e9L, "1.234321e+09" },
2284 { 1.234321234321234e10L, "1.234321e+10" },
2285 { 1.234321234321234e11L, "1.234321e+11" },
2286 { 1.234321234321234e12L, "1.234321e+12" },
2287 { 1.234321234321234e13L, "1.234321e+13" },
2288 { 1.234321234321234e14L, "1.234321e+14" },
2289 { 1.234321234321234e15L, "1.234321e+15" },
2290 { 1.234321234321234e16L, "1.234321e+16" },
2291 { 1.234321234321234e17L, "1.234321e+17" },
2292 { 1.234321234321234e18L, "1.234321e+18" },
2293 { 1.234321234321234e19L, "1.234321e+19" },
2294 { 1.234321234321234e20L, "1.234321e+20" },
2295 { 1.234321234321234e21L, "1.234321e+21" },
2296 { 1.234321234321234e22L, "1.234321e+22" },
2297 { 1.234321234321234e23L, "1.234321e+23" },
2298 { 1.234321234321234e24L, "1.234321e+24" },
2299 { 1.234321234321234e25L, "1.234321e+25" },
2300 { 1.234321234321234e26L, "1.234321e+26" },
2301 { 1.234321234321234e27L, "1.234321e+27" },
2302 { 1.234321234321234e28L, "1.234321e+28" },
2303 { 1.234321234321234e29L, "1.234321e+29" },
2304 { 1.234321234321234e30L, "1.234321e+30" },
2305 { 1.234321234321234e31L, "1.234321e+31" },
2306 { 1.234321234321234e32L, "1.234321e+32" },
2307 { 1.234321234321234e33L, "1.234321e+33" },
2308 { 1.234321234321234e34L, "1.234321e+34" },
2309 { 1.234321234321234e35L, "1.234321e+35" },
2310 { 1.234321234321234e36L, "1.234321e+36" }
2313 for (k = 0; k < SIZEOF (data); k++)
2317 my_asnprintf (NULL, &length, "%Le", data[k].value);
2318 const char *expected = data[k].string;
2319 ASSERT (result != NULL);
2320 ASSERT (strcmp (result, expected) == 0
2321 /* Some implementations produce exponents with 3 digits. */
2322 || (strlen (result) == strlen (expected) + 1
2323 && memcmp (result, expected, strlen (expected) - 2) == 0
2324 && result[strlen (expected) - 2] == '0'
2325 && strcmp (result + strlen (expected) - 1,
2326 expected + strlen (expected) - 2)
2328 ASSERT (length == strlen (result));
2333 { /* A negative number. */
2336 my_asnprintf (NULL, &length, "%Le %d", -0.03125L, 33, 44, 55);
2337 ASSERT (result != NULL);
2338 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
2339 || strcmp (result, "-3.125000e-002 33") == 0);
2340 ASSERT (length == strlen (result));
2344 { /* Positive zero. */
2347 my_asnprintf (NULL, &length, "%Le %d", 0.0L, 33, 44, 55);
2348 ASSERT (result != NULL);
2349 ASSERT (strcmp (result, "0.000000e+00 33") == 0
2350 || strcmp (result, "0.000000e+000 33") == 0);
2351 ASSERT (length == strlen (result));
2355 { /* Negative zero. */
2358 my_asnprintf (NULL, &length, "%Le %d", minus_zerol, 33, 44, 55);
2359 ASSERT (result != NULL);
2360 if (have_minus_zero ())
2361 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
2362 || strcmp (result, "-0.000000e+000 33") == 0);
2363 ASSERT (length == strlen (result));
2367 { /* Positive infinity. */
2370 my_asnprintf (NULL, &length, "%Le %d", Infinityl (), 33, 44, 55);
2371 ASSERT (result != NULL);
2372 ASSERT (strcmp (result, "inf 33") == 0
2373 || strcmp (result, "infinity 33") == 0);
2374 ASSERT (length == strlen (result));
2378 { /* Negative infinity. */
2381 my_asnprintf (NULL, &length, "%Le %d", - Infinityl (), 33, 44, 55);
2382 ASSERT (result != NULL);
2383 ASSERT (strcmp (result, "-inf 33") == 0
2384 || strcmp (result, "-infinity 33") == 0);
2385 ASSERT (length == strlen (result));
2392 my_asnprintf (NULL, &length, "%Le %d", NaNl (), 33, 44, 55);
2393 ASSERT (result != NULL);
2394 ASSERT (strlen (result) >= 3 + 3
2395 && strisnan (result, 0, strlen (result) - 3, 0)
2396 && strcmp (result + strlen (result) - 3, " 33") == 0);
2397 ASSERT (length == strlen (result));
2400 #if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE
2402 static union { unsigned int word[4]; long double value; } x =
2403 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2406 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2407 ASSERT (result != NULL);
2408 ASSERT (strlen (result) >= 3 + 3
2409 && strisnan (result, 0, strlen (result) - 3, 0)
2410 && strcmp (result + strlen (result) - 3, " 33") == 0);
2411 ASSERT (length == strlen (result));
2415 /* Signalling NaN. */
2416 static union { unsigned int word[4]; long double value; } x =
2417 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2420 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2421 ASSERT (result != NULL);
2422 ASSERT (strlen (result) >= 3 + 3
2423 && strisnan (result, 0, strlen (result) - 3, 0)
2424 && strcmp (result + strlen (result) - 3, " 33") == 0);
2425 ASSERT (length == strlen (result));
2428 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
2429 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
2430 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
2431 Application Architecture.
2432 Table 5-2 "Floating-Point Register Encodings"
2433 Figure 5-6 "Memory to Floating-Point Register Data Translation"
2436 static union { unsigned int word[4]; long double value; } x =
2437 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2440 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2441 ASSERT (result != NULL);
2442 ASSERT (strlen (result) >= 3 + 3
2443 && strisnan (result, 0, strlen (result) - 3, 0)
2444 && strcmp (result + strlen (result) - 3, " 33") == 0);
2445 ASSERT (length == strlen (result));
2448 { /* Pseudo-Infinity. */
2449 static union { unsigned int word[4]; long double value; } x =
2450 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2453 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2454 ASSERT (result != NULL);
2455 ASSERT (strlen (result) >= 3 + 3
2456 && strisnan (result, 0, strlen (result) - 3, 0)
2457 && strcmp (result + strlen (result) - 3, " 33") == 0);
2458 ASSERT (length == strlen (result));
2461 { /* Pseudo-Zero. */
2462 static union { unsigned int word[4]; long double value; } x =
2463 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2466 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2467 ASSERT (result != NULL);
2468 ASSERT (strlen (result) >= 3 + 3
2469 && strisnan (result, 0, strlen (result) - 3, 0)
2470 && strcmp (result + strlen (result) - 3, " 33") == 0);
2471 ASSERT (length == strlen (result));
2474 { /* Unnormalized number. */
2475 static union { unsigned int word[4]; long double value; } x =
2476 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2479 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2480 ASSERT (result != NULL);
2481 ASSERT (strlen (result) >= 3 + 3
2482 && strisnan (result, 0, strlen (result) - 3, 0)
2483 && strcmp (result + strlen (result) - 3, " 33") == 0);
2484 ASSERT (length == strlen (result));
2487 { /* Pseudo-Denormal. */
2488 static union { unsigned int word[4]; long double value; } x =
2489 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2492 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2493 ASSERT (result != NULL);
2494 ASSERT (strlen (result) >= 3 + 3
2495 && strisnan (result, 0, strlen (result) - 3, 0)
2496 && strcmp (result + strlen (result) - 3, " 33") == 0);
2497 ASSERT (length == strlen (result));
2505 my_asnprintf (NULL, &length, "%15Le %d", 1.75L, 33, 44, 55);
2506 ASSERT (result != NULL);
2507 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2508 || strcmp (result, " 1.750000e+000 33") == 0);
2509 ASSERT (length == strlen (result));
2516 my_asnprintf (NULL, &length, "%-15Le %d", 1.75L, 33, 44, 55);
2517 ASSERT (result != NULL);
2518 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2519 || strcmp (result, "1.750000e+000 33") == 0);
2520 ASSERT (length == strlen (result));
2524 { /* FLAG_SHOWSIGN. */
2527 my_asnprintf (NULL, &length, "%+Le %d", 1.75L, 33, 44, 55);
2528 ASSERT (result != NULL);
2529 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
2530 || strcmp (result, "+1.750000e+000 33") == 0);
2531 ASSERT (length == strlen (result));
2538 my_asnprintf (NULL, &length, "% Le %d", 1.75L, 33, 44, 55);
2539 ASSERT (result != NULL);
2540 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2541 || strcmp (result, " 1.750000e+000 33") == 0);
2542 ASSERT (length == strlen (result));
2549 my_asnprintf (NULL, &length, "%#Le %d", 1.75L, 33, 44, 55);
2550 ASSERT (result != NULL);
2551 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2552 || strcmp (result, "1.750000e+000 33") == 0);
2553 ASSERT (length == strlen (result));
2560 my_asnprintf (NULL, &length, "%#.Le %d", 1.75L, 33, 44, 55);
2561 ASSERT (result != NULL);
2562 ASSERT (strcmp (result, "2.e+00 33") == 0
2563 || strcmp (result, "2.e+000 33") == 0);
2564 ASSERT (length == strlen (result));
2571 my_asnprintf (NULL, &length, "%#.Le %d", 9.75L, 33, 44, 55);
2572 ASSERT (result != NULL);
2573 ASSERT (strcmp (result, "1.e+01 33") == 0
2574 || strcmp (result, "1.e+001 33") == 0);
2575 ASSERT (length == strlen (result));
2579 { /* FLAG_ZERO with finite number. */
2582 my_asnprintf (NULL, &length, "%015Le %d", 1234.0L, 33, 44, 55);
2583 ASSERT (result != NULL);
2584 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
2585 || strcmp (result, "001.234000e+003 33") == 0);
2586 ASSERT (length == strlen (result));
2590 { /* FLAG_ZERO with infinite number. */
2593 my_asnprintf (NULL, &length, "%015Le %d", - Infinityl (), 33, 44, 55);
2594 ASSERT (result != NULL);
2595 ASSERT (strcmp (result, " -inf 33") == 0
2596 || strcmp (result, " -infinity 33") == 0);
2597 ASSERT (length == strlen (result));
2601 { /* FLAG_ZERO with NaN. */
2604 my_asnprintf (NULL, &length, "%050Le %d", NaNl (), 33, 44, 55);
2605 ASSERT (result != NULL);
2606 ASSERT (strlen (result) == 50 + 3
2607 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2608 && strcmp (result + strlen (result) - 3, " 33") == 0);
2609 ASSERT (length == strlen (result));
2616 my_asnprintf (NULL, &length, "%.Le %d", 1234.0L, 33, 44, 55);
2617 ASSERT (result != NULL);
2618 ASSERT (strcmp (result, "1e+03 33") == 0
2619 || strcmp (result, "1e+003 33") == 0);
2620 ASSERT (length == strlen (result));
2624 { /* Precision with no rounding. */
2627 my_asnprintf (NULL, &length, "%.4Le %d", 999.951L, 33, 44, 55);
2628 ASSERT (result != NULL);
2629 ASSERT (strcmp (result, "9.9995e+02 33") == 0
2630 || strcmp (result, "9.9995e+002 33") == 0);
2631 ASSERT (length == strlen (result));
2635 { /* Precision with rounding. */
2638 my_asnprintf (NULL, &length, "%.4Le %d", 999.996L, 33, 44, 55);
2639 ASSERT (result != NULL);
2640 ASSERT (strcmp (result, "1.0000e+03 33") == 0
2641 || strcmp (result, "1.0000e+003 33") == 0);
2642 ASSERT (length == strlen (result));
2646 /* Test the support of the %g format directive. */
2648 { /* A positive number. */
2651 my_asnprintf (NULL, &length, "%g %d", 12.75, 33, 44, 55);
2652 ASSERT (result != NULL);
2653 ASSERT (strcmp (result, "12.75 33") == 0);
2654 ASSERT (length == strlen (result));
2658 { /* A larger positive number. */
2661 my_asnprintf (NULL, &length, "%g %d", 1234567.0, 33, 44, 55);
2662 ASSERT (result != NULL);
2663 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2664 || strcmp (result, "1.23457e+006 33") == 0);
2665 ASSERT (length == strlen (result));
2669 { /* Small and large positive numbers. */
2670 static struct { double value; const char *string; } data[] =
2672 { 1.234321234321234e-37, "1.23432e-37" },
2673 { 1.234321234321234e-36, "1.23432e-36" },
2674 { 1.234321234321234e-35, "1.23432e-35" },
2675 { 1.234321234321234e-34, "1.23432e-34" },
2676 { 1.234321234321234e-33, "1.23432e-33" },
2677 { 1.234321234321234e-32, "1.23432e-32" },
2678 { 1.234321234321234e-31, "1.23432e-31" },
2679 { 1.234321234321234e-30, "1.23432e-30" },
2680 { 1.234321234321234e-29, "1.23432e-29" },
2681 { 1.234321234321234e-28, "1.23432e-28" },
2682 { 1.234321234321234e-27, "1.23432e-27" },
2683 { 1.234321234321234e-26, "1.23432e-26" },
2684 { 1.234321234321234e-25, "1.23432e-25" },
2685 { 1.234321234321234e-24, "1.23432e-24" },
2686 { 1.234321234321234e-23, "1.23432e-23" },
2687 { 1.234321234321234e-22, "1.23432e-22" },
2688 { 1.234321234321234e-21, "1.23432e-21" },
2689 { 1.234321234321234e-20, "1.23432e-20" },
2690 { 1.234321234321234e-19, "1.23432e-19" },
2691 { 1.234321234321234e-18, "1.23432e-18" },
2692 { 1.234321234321234e-17, "1.23432e-17" },
2693 { 1.234321234321234e-16, "1.23432e-16" },
2694 { 1.234321234321234e-15, "1.23432e-15" },
2695 { 1.234321234321234e-14, "1.23432e-14" },
2696 { 1.234321234321234e-13, "1.23432e-13" },
2697 { 1.234321234321234e-12, "1.23432e-12" },
2698 { 1.234321234321234e-11, "1.23432e-11" },
2699 { 1.234321234321234e-10, "1.23432e-10" },
2700 { 1.234321234321234e-9, "1.23432e-09" },
2701 { 1.234321234321234e-8, "1.23432e-08" },
2702 { 1.234321234321234e-7, "1.23432e-07" },
2703 { 1.234321234321234e-6, "1.23432e-06" },
2704 { 1.234321234321234e-5, "1.23432e-05" },
2705 { 1.234321234321234e-4, "0.000123432" },
2706 { 1.234321234321234e-3, "0.00123432" },
2707 { 1.234321234321234e-2, "0.0123432" },
2708 { 1.234321234321234e-1, "0.123432" },
2709 { 1.234321234321234, "1.23432" },
2710 { 1.234321234321234e1, "12.3432" },
2711 { 1.234321234321234e2, "123.432" },
2712 { 1.234321234321234e3, "1234.32" },
2713 { 1.234321234321234e4, "12343.2" },
2714 { 1.234321234321234e5, "123432" },
2715 { 1.234321234321234e6, "1.23432e+06" },
2716 { 1.234321234321234e7, "1.23432e+07" },
2717 { 1.234321234321234e8, "1.23432e+08" },
2718 { 1.234321234321234e9, "1.23432e+09" },
2719 { 1.234321234321234e10, "1.23432e+10" },
2720 { 1.234321234321234e11, "1.23432e+11" },
2721 { 1.234321234321234e12, "1.23432e+12" },
2722 { 1.234321234321234e13, "1.23432e+13" },
2723 { 1.234321234321234e14, "1.23432e+14" },
2724 { 1.234321234321234e15, "1.23432e+15" },
2725 { 1.234321234321234e16, "1.23432e+16" },
2726 { 1.234321234321234e17, "1.23432e+17" },
2727 { 1.234321234321234e18, "1.23432e+18" },
2728 { 1.234321234321234e19, "1.23432e+19" },
2729 { 1.234321234321234e20, "1.23432e+20" },
2730 { 1.234321234321234e21, "1.23432e+21" },
2731 { 1.234321234321234e22, "1.23432e+22" },
2732 { 1.234321234321234e23, "1.23432e+23" },
2733 { 1.234321234321234e24, "1.23432e+24" },
2734 { 1.234321234321234e25, "1.23432e+25" },
2735 { 1.234321234321234e26, "1.23432e+26" },
2736 { 1.234321234321234e27, "1.23432e+27" },
2737 { 1.234321234321234e28, "1.23432e+28" },
2738 { 1.234321234321234e29, "1.23432e+29" },
2739 { 1.234321234321234e30, "1.23432e+30" },
2740 { 1.234321234321234e31, "1.23432e+31" },
2741 { 1.234321234321234e32, "1.23432e+32" },
2742 { 1.234321234321234e33, "1.23432e+33" },
2743 { 1.234321234321234e34, "1.23432e+34" },
2744 { 1.234321234321234e35, "1.23432e+35" },
2745 { 1.234321234321234e36, "1.23432e+36" }
2748 for (k = 0; k < SIZEOF (data); k++)
2752 my_asnprintf (NULL, &length, "%g", data[k].value);
2753 const char *expected = data[k].string;
2754 ASSERT (result != NULL);
2755 ASSERT (strcmp (result, expected) == 0
2756 /* Some implementations produce exponents with 3 digits. */
2757 || (expected[strlen (expected) - 4] == 'e'
2758 && strlen (result) == strlen (expected) + 1
2759 && memcmp (result, expected, strlen (expected) - 2) == 0
2760 && result[strlen (expected) - 2] == '0'
2761 && strcmp (result + strlen (expected) - 1,
2762 expected + strlen (expected) - 2)
2764 ASSERT (length == strlen (result));
2769 { /* A negative number. */
2772 my_asnprintf (NULL, &length, "%g %d", -0.03125, 33, 44, 55);
2773 ASSERT (result != NULL);
2774 ASSERT (strcmp (result, "-0.03125 33") == 0);
2775 ASSERT (length == strlen (result));
2779 { /* Positive zero. */
2782 my_asnprintf (NULL, &length, "%g %d", 0.0, 33, 44, 55);
2783 ASSERT (result != NULL);
2784 ASSERT (strcmp (result, "0 33") == 0);
2785 ASSERT (length == strlen (result));
2789 { /* Negative zero. */
2792 my_asnprintf (NULL, &length, "%g %d", minus_zerod, 33, 44, 55);
2793 ASSERT (result != NULL);
2794 if (have_minus_zero ())
2795 ASSERT (strcmp (result, "-0 33") == 0);
2796 ASSERT (length == strlen (result));
2800 { /* Positive infinity. */
2803 my_asnprintf (NULL, &length, "%g %d", Infinityd (), 33, 44, 55);
2804 ASSERT (result != NULL);
2805 ASSERT (strcmp (result, "inf 33") == 0
2806 || strcmp (result, "infinity 33") == 0);
2807 ASSERT (length == strlen (result));
2811 { /* Negative infinity. */
2814 my_asnprintf (NULL, &length, "%g %d", - Infinityd (), 33, 44, 55);
2815 ASSERT (result != NULL);
2816 ASSERT (strcmp (result, "-inf 33") == 0
2817 || strcmp (result, "-infinity 33") == 0);
2818 ASSERT (length == strlen (result));
2825 my_asnprintf (NULL, &length, "%g %d", NaNd (), 33, 44, 55);
2826 ASSERT (result != NULL);
2827 ASSERT (strlen (result) >= 3 + 3
2828 && strisnan (result, 0, strlen (result) - 3, 0)
2829 && strcmp (result + strlen (result) - 3, " 33") == 0);
2830 ASSERT (length == strlen (result));
2837 my_asnprintf (NULL, &length, "%10g %d", 1.75, 33, 44, 55);
2838 ASSERT (result != NULL);
2839 ASSERT (strcmp (result, " 1.75 33") == 0);
2840 ASSERT (length == strlen (result));
2847 my_asnprintf (NULL, &length, "%-10g %d", 1.75, 33, 44, 55);
2848 ASSERT (result != NULL);
2849 ASSERT (strcmp (result, "1.75 33") == 0);
2850 ASSERT (length == strlen (result));
2854 { /* FLAG_SHOWSIGN. */
2857 my_asnprintf (NULL, &length, "%+g %d", 1.75, 33, 44, 55);
2858 ASSERT (result != NULL);
2859 ASSERT (strcmp (result, "+1.75 33") == 0);
2860 ASSERT (length == strlen (result));
2867 my_asnprintf (NULL, &length, "% g %d", 1.75, 33, 44, 55);
2868 ASSERT (result != NULL);
2869 ASSERT (strcmp (result, " 1.75 33") == 0);
2870 ASSERT (length == strlen (result));
2877 my_asnprintf (NULL, &length, "%#g %d", 1.75, 33, 44, 55);
2878 ASSERT (result != NULL);
2879 ASSERT (strcmp (result, "1.75000 33") == 0);
2880 ASSERT (length == strlen (result));
2887 my_asnprintf (NULL, &length, "%#.g %d", 1.75, 33, 44, 55);
2888 ASSERT (result != NULL);
2889 ASSERT (strcmp (result, "2. 33") == 0);
2890 ASSERT (length == strlen (result));
2897 my_asnprintf (NULL, &length, "%#.g %d", 9.75, 33, 44, 55);
2898 ASSERT (result != NULL);
2899 ASSERT (strcmp (result, "1.e+01 33") == 0
2900 || strcmp (result, "1.e+001 33") == 0);
2901 ASSERT (length == strlen (result));
2905 { /* FLAG_ZERO with finite number. */
2908 my_asnprintf (NULL, &length, "%010g %d", 1234.0, 33, 44, 55);
2909 ASSERT (result != NULL);
2910 ASSERT (strcmp (result, "0000001234 33") == 0);
2911 ASSERT (length == strlen (result));
2915 { /* FLAG_ZERO with infinite number. */
2918 my_asnprintf (NULL, &length, "%015g %d", - Infinityd (), 33, 44, 55);
2919 ASSERT (result != NULL);
2920 ASSERT (strcmp (result, " -inf 33") == 0
2921 || strcmp (result, " -infinity 33") == 0);
2922 ASSERT (length == strlen (result));
2926 { /* FLAG_ZERO with NaN. */
2929 my_asnprintf (NULL, &length, "%050g %d", NaNd (), 33, 44, 55);
2930 ASSERT (result != NULL);
2931 ASSERT (strlen (result) == 50 + 3
2932 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2933 && strcmp (result + strlen (result) - 3, " 33") == 0);
2934 ASSERT (length == strlen (result));
2941 my_asnprintf (NULL, &length, "%.g %d", 1234.0, 33, 44, 55);
2942 ASSERT (result != NULL);
2943 ASSERT (strcmp (result, "1e+03 33") == 0
2944 || strcmp (result, "1e+003 33") == 0);
2945 ASSERT (length == strlen (result));
2949 { /* Precision with no rounding. */
2952 my_asnprintf (NULL, &length, "%.5g %d", 999.951, 33, 44, 55);
2953 ASSERT (result != NULL);
2954 ASSERT (strcmp (result, "999.95 33") == 0);
2955 ASSERT (length == strlen (result));
2959 { /* Precision with rounding. */
2962 my_asnprintf (NULL, &length, "%.5g %d", 999.996, 33, 44, 55);
2963 ASSERT (result != NULL);
2964 ASSERT (strcmp (result, "1000 33") == 0);
2965 ASSERT (length == strlen (result));
2969 { /* A positive number. */
2972 my_asnprintf (NULL, &length, "%Lg %d", 12.75L, 33, 44, 55);
2973 ASSERT (result != NULL);
2974 ASSERT (strcmp (result, "12.75 33") == 0);
2975 ASSERT (length == strlen (result));
2979 { /* A larger positive number. */
2982 my_asnprintf (NULL, &length, "%Lg %d", 1234567.0L, 33, 44, 55);
2983 ASSERT (result != NULL);
2984 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2985 || strcmp (result, "1.23457e+006 33") == 0);
2986 ASSERT (length == strlen (result));
2990 { /* Small and large positive numbers. */
2991 static struct { long double value; const char *string; } data[] =
2993 { 1.234321234321234e-37L, "1.23432e-37" },
2994 { 1.234321234321234e-36L, "1.23432e-36" },
2995 { 1.234321234321234e-35L, "1.23432e-35" },
2996 { 1.234321234321234e-34L, "1.23432e-34" },
2997 { 1.234321234321234e-33L, "1.23432e-33" },
2998 { 1.234321234321234e-32L, "1.23432e-32" },
2999 { 1.234321234321234e-31L, "1.23432e-31" },
3000 { 1.234321234321234e-30L, "1.23432e-30" },
3001 { 1.234321234321234e-29L, "1.23432e-29" },
3002 { 1.234321234321234e-28L, "1.23432e-28" },
3003 { 1.234321234321234e-27L, "1.23432e-27" },
3004 { 1.234321234321234e-26L, "1.23432e-26" },
3005 { 1.234321234321234e-25L, "1.23432e-25" },
3006 { 1.234321234321234e-24L, "1.23432e-24" },
3007 { 1.234321234321234e-23L, "1.23432e-23" },
3008 { 1.234321234321234e-22L, "1.23432e-22" },
3009 { 1.234321234321234e-21L, "1.23432e-21" },
3010 { 1.234321234321234e-20L, "1.23432e-20" },
3011 { 1.234321234321234e-19L, "1.23432e-19" },
3012 { 1.234321234321234e-18L, "1.23432e-18" },
3013 { 1.234321234321234e-17L, "1.23432e-17" },
3014 { 1.234321234321234e-16L, "1.23432e-16" },
3015 { 1.234321234321234e-15L, "1.23432e-15" },
3016 { 1.234321234321234e-14L, "1.23432e-14" },
3017 { 1.234321234321234e-13L, "1.23432e-13" },
3018 { 1.234321234321234e-12L, "1.23432e-12" },
3019 { 1.234321234321234e-11L, "1.23432e-11" },
3020 { 1.234321234321234e-10L, "1.23432e-10" },
3021 { 1.234321234321234e-9L, "1.23432e-09" },
3022 { 1.234321234321234e-8L, "1.23432e-08" },
3023 { 1.234321234321234e-7L, "1.23432e-07" },
3024 { 1.234321234321234e-6L, "1.23432e-06" },
3025 { 1.234321234321234e-5L, "1.23432e-05" },
3026 { 1.234321234321234e-4L, "0.000123432" },
3027 { 1.234321234321234e-3L, "0.00123432" },
3028 { 1.234321234321234e-2L, "0.0123432" },
3029 { 1.234321234321234e-1L, "0.123432" },
3030 { 1.234321234321234L, "1.23432" },
3031 { 1.234321234321234e1L, "12.3432" },
3032 { 1.234321234321234e2L, "123.432" },
3033 { 1.234321234321234e3L, "1234.32" },
3034 { 1.234321234321234e4L, "12343.2" },
3035 { 1.234321234321234e5L, "123432" },
3036 { 1.234321234321234e6L, "1.23432e+06" },
3037 { 1.234321234321234e7L, "1.23432e+07" },
3038 { 1.234321234321234e8L, "1.23432e+08" },
3039 { 1.234321234321234e9L, "1.23432e+09" },
3040 { 1.234321234321234e10L, "1.23432e+10" },
3041 { 1.234321234321234e11L, "1.23432e+11" },
3042 { 1.234321234321234e12L, "1.23432e+12" },
3043 { 1.234321234321234e13L, "1.23432e+13" },
3044 { 1.234321234321234e14L, "1.23432e+14" },
3045 { 1.234321234321234e15L, "1.23432e+15" },
3046 { 1.234321234321234e16L, "1.23432e+16" },
3047 { 1.234321234321234e17L, "1.23432e+17" },
3048 { 1.234321234321234e18L, "1.23432e+18" },
3049 { 1.234321234321234e19L, "1.23432e+19" },
3050 { 1.234321234321234e20L, "1.23432e+20" },
3051 { 1.234321234321234e21L, "1.23432e+21" },
3052 { 1.234321234321234e22L, "1.23432e+22" },
3053 { 1.234321234321234e23L, "1.23432e+23" },
3054 { 1.234321234321234e24L, "1.23432e+24" },
3055 { 1.234321234321234e25L, "1.23432e+25" },
3056 { 1.234321234321234e26L, "1.23432e+26" },
3057 { 1.234321234321234e27L, "1.23432e+27" },
3058 { 1.234321234321234e28L, "1.23432e+28" },
3059 { 1.234321234321234e29L, "1.23432e+29" },
3060 { 1.234321234321234e30L, "1.23432e+30" },
3061 { 1.234321234321234e31L, "1.23432e+31" },
3062 { 1.234321234321234e32L, "1.23432e+32" },
3063 { 1.234321234321234e33L, "1.23432e+33" },
3064 { 1.234321234321234e34L, "1.23432e+34" },
3065 { 1.234321234321234e35L, "1.23432e+35" },
3066 { 1.234321234321234e36L, "1.23432e+36" }
3069 for (k = 0; k < SIZEOF (data); k++)
3073 my_asnprintf (NULL, &length, "%Lg", data[k].value);
3074 const char *expected = data[k].string;
3075 ASSERT (result != NULL);
3076 ASSERT (strcmp (result, expected) == 0
3077 /* Some implementations produce exponents with 3 digits. */
3078 || (expected[strlen (expected) - 4] == 'e'
3079 && strlen (result) == strlen (expected) + 1
3080 && memcmp (result, expected, strlen (expected) - 2) == 0
3081 && result[strlen (expected) - 2] == '0'
3082 && strcmp (result + strlen (expected) - 1,
3083 expected + strlen (expected) - 2)
3085 ASSERT (length == strlen (result));
3090 { /* A negative number. */
3093 my_asnprintf (NULL, &length, "%Lg %d", -0.03125L, 33, 44, 55);
3094 ASSERT (result != NULL);
3095 ASSERT (strcmp (result, "-0.03125 33") == 0);
3096 ASSERT (length == strlen (result));
3100 { /* Positive zero. */
3103 my_asnprintf (NULL, &length, "%Lg %d", 0.0L, 33, 44, 55);
3104 ASSERT (result != NULL);
3105 ASSERT (strcmp (result, "0 33") == 0);
3106 ASSERT (length == strlen (result));
3110 { /* Negative zero. */
3113 my_asnprintf (NULL, &length, "%Lg %d", minus_zerol, 33, 44, 55);
3114 ASSERT (result != NULL);
3115 if (have_minus_zero ())
3116 ASSERT (strcmp (result, "-0 33") == 0);
3117 ASSERT (length == strlen (result));
3121 { /* Positive infinity. */
3124 my_asnprintf (NULL, &length, "%Lg %d", Infinityl (), 33, 44, 55);
3125 ASSERT (result != NULL);
3126 ASSERT (strcmp (result, "inf 33") == 0
3127 || strcmp (result, "infinity 33") == 0);
3128 ASSERT (length == strlen (result));
3132 { /* Negative infinity. */
3135 my_asnprintf (NULL, &length, "%Lg %d", - Infinityl (), 33, 44, 55);
3136 ASSERT (result != NULL);
3137 ASSERT (strcmp (result, "-inf 33") == 0
3138 || strcmp (result, "-infinity 33") == 0);
3139 ASSERT (length == strlen (result));
3146 my_asnprintf (NULL, &length, "%Lg %d", NaNl (), 33, 44, 55);
3147 ASSERT (result != NULL);
3148 ASSERT (strlen (result) >= 3 + 3
3149 && strisnan (result, 0, strlen (result) - 3, 0)
3150 && strcmp (result + strlen (result) - 3, " 33") == 0);
3151 ASSERT (length == strlen (result));
3154 #if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE
3156 static union { unsigned int word[4]; long double value; } x =
3157 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
3160 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3161 ASSERT (result != NULL);
3162 ASSERT (strlen (result) >= 3 + 3
3163 && strisnan (result, 0, strlen (result) - 3, 0)
3164 && strcmp (result + strlen (result) - 3, " 33") == 0);
3165 ASSERT (length == strlen (result));
3169 /* Signalling NaN. */
3170 static union { unsigned int word[4]; long double value; } x =
3171 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
3174 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3175 ASSERT (result != NULL);
3176 ASSERT (strlen (result) >= 3 + 3
3177 && strisnan (result, 0, strlen (result) - 3, 0)
3178 && strcmp (result + strlen (result) - 3, " 33") == 0);
3179 ASSERT (length == strlen (result));
3182 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
3183 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
3184 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
3185 Application Architecture.
3186 Table 5-2 "Floating-Point Register Encodings"
3187 Figure 5-6 "Memory to Floating-Point Register Data Translation"
3190 static union { unsigned int word[4]; long double value; } x =
3191 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
3194 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3195 ASSERT (result != NULL);
3196 ASSERT (strlen (result) >= 3 + 3
3197 && strisnan (result, 0, strlen (result) - 3, 0)
3198 && strcmp (result + strlen (result) - 3, " 33") == 0);
3199 ASSERT (length == strlen (result));
3202 { /* Pseudo-Infinity. */
3203 static union { unsigned int word[4]; long double value; } x =
3204 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
3207 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3208 ASSERT (result != NULL);
3209 ASSERT (strlen (result) >= 3 + 3
3210 && strisnan (result, 0, strlen (result) - 3, 0)
3211 && strcmp (result + strlen (result) - 3, " 33") == 0);
3212 ASSERT (length == strlen (result));
3215 { /* Pseudo-Zero. */
3216 static union { unsigned int word[4]; long double value; } x =
3217 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
3220 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3221 ASSERT (result != NULL);
3222 ASSERT (strlen (result) >= 3 + 3
3223 && strisnan (result, 0, strlen (result) - 3, 0)
3224 && strcmp (result + strlen (result) - 3, " 33") == 0);
3225 ASSERT (length == strlen (result));
3228 { /* Unnormalized number. */
3229 static union { unsigned int word[4]; long double value; } x =
3230 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
3233 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3234 ASSERT (result != NULL);
3235 ASSERT (strlen (result) >= 3 + 3
3236 && strisnan (result, 0, strlen (result) - 3, 0)
3237 && strcmp (result + strlen (result) - 3, " 33") == 0);
3238 ASSERT (length == strlen (result));
3241 { /* Pseudo-Denormal. */
3242 static union { unsigned int word[4]; long double value; } x =
3243 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
3246 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3247 ASSERT (result != NULL);
3248 ASSERT (strlen (result) >= 3 + 3
3249 && strisnan (result, 0, strlen (result) - 3, 0)
3250 && strcmp (result + strlen (result) - 3, " 33") == 0);
3251 ASSERT (length == strlen (result));
3259 my_asnprintf (NULL, &length, "%10Lg %d", 1.75L, 33, 44, 55);
3260 ASSERT (result != NULL);
3261 ASSERT (strcmp (result, " 1.75 33") == 0);
3262 ASSERT (length == strlen (result));
3269 my_asnprintf (NULL, &length, "%-10Lg %d", 1.75L, 33, 44, 55);
3270 ASSERT (result != NULL);
3271 ASSERT (strcmp (result, "1.75 33") == 0);
3272 ASSERT (length == strlen (result));
3276 { /* FLAG_SHOWSIGN. */
3279 my_asnprintf (NULL, &length, "%+Lg %d", 1.75L, 33, 44, 55);
3280 ASSERT (result != NULL);
3281 ASSERT (strcmp (result, "+1.75 33") == 0);
3282 ASSERT (length == strlen (result));
3289 my_asnprintf (NULL, &length, "% Lg %d", 1.75L, 33, 44, 55);
3290 ASSERT (result != NULL);
3291 ASSERT (strcmp (result, " 1.75 33") == 0);
3292 ASSERT (length == strlen (result));
3299 my_asnprintf (NULL, &length, "%#Lg %d", 1.75L, 33, 44, 55);
3300 ASSERT (result != NULL);
3301 ASSERT (strcmp (result, "1.75000 33") == 0);
3302 ASSERT (length == strlen (result));
3309 my_asnprintf (NULL, &length, "%#.Lg %d", 1.75L, 33, 44, 55);
3310 ASSERT (result != NULL);
3311 ASSERT (strcmp (result, "2. 33") == 0);
3312 ASSERT (length == strlen (result));
3319 my_asnprintf (NULL, &length, "%#.Lg %d", 9.75L, 33, 44, 55);
3320 ASSERT (result != NULL);
3321 ASSERT (strcmp (result, "1.e+01 33") == 0
3322 || strcmp (result, "1.e+001 33") == 0);
3323 ASSERT (length == strlen (result));
3327 { /* FLAG_ZERO with finite number. */
3330 my_asnprintf (NULL, &length, "%010Lg %d", 1234.0L, 33, 44, 55);
3331 ASSERT (result != NULL);
3332 ASSERT (strcmp (result, "0000001234 33") == 0);
3333 ASSERT (length == strlen (result));
3337 { /* FLAG_ZERO with infinite number. */
3340 my_asnprintf (NULL, &length, "%015Lg %d", - Infinityl (), 33, 44, 55);
3341 ASSERT (result != NULL);
3342 ASSERT (strcmp (result, " -inf 33") == 0
3343 || strcmp (result, " -infinity 33") == 0);
3344 ASSERT (length == strlen (result));
3348 { /* FLAG_ZERO with NaN. */
3351 my_asnprintf (NULL, &length, "%050Lg %d", NaNl (), 33, 44, 55);
3352 ASSERT (result != NULL);
3353 ASSERT (strlen (result) == 50 + 3
3354 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
3355 && strcmp (result + strlen (result) - 3, " 33") == 0);
3356 ASSERT (length == strlen (result));
3363 my_asnprintf (NULL, &length, "%.Lg %d", 1234.0L, 33, 44, 55);
3364 ASSERT (result != NULL);
3365 ASSERT (strcmp (result, "1e+03 33") == 0
3366 || strcmp (result, "1e+003 33") == 0);
3367 ASSERT (length == strlen (result));
3371 { /* Precision with no rounding. */
3374 my_asnprintf (NULL, &length, "%.5Lg %d", 999.951L, 33, 44, 55);
3375 ASSERT (result != NULL);
3376 ASSERT (strcmp (result, "999.95 33") == 0);
3377 ASSERT (length == strlen (result));
3381 { /* Precision with rounding. */
3384 my_asnprintf (NULL, &length, "%.5Lg %d", 999.996L, 33, 44, 55);
3385 ASSERT (result != NULL);
3386 ASSERT (strcmp (result, "1000 33") == 0);
3387 ASSERT (length == strlen (result));
3391 /* Test the support of the %n format directive. */
3397 my_asnprintf (NULL, &length, "%d %n", 123, &count, 33, 44, 55);
3398 ASSERT (result != NULL);
3399 ASSERT (strcmp (result, "123 ") == 0);
3400 ASSERT (length == strlen (result));
3401 ASSERT (count == 4);
3405 /* Test the support of the POSIX/XSI format strings with positions. */
3410 my_asnprintf (NULL, &length, "%2$d %1$d", 33, 55);
3411 ASSERT (result != NULL);
3412 ASSERT (strcmp (result, "55 33") == 0);
3413 ASSERT (length == strlen (result));
3417 /* Test the support of the grouping flag. */
3422 my_asnprintf (NULL, &length, "%'d %d", 1234567, 99);
3423 ASSERT (result != NULL);
3424 ASSERT (result[strlen (result) - 1] == '9');
3425 ASSERT (length == strlen (result));
3429 /* Test the support of the left-adjust flag. */
3434 my_asnprintf (NULL, &length, "a%*sc", -3, "b");
3435 ASSERT (result != NULL);
3436 ASSERT (strcmp (result, "ab c") == 0);
3437 ASSERT (length == strlen (result));
3444 my_asnprintf (NULL, &length, "a%-*sc", 3, "b");
3445 ASSERT (result != NULL);
3446 ASSERT (strcmp (result, "ab c") == 0);
3447 ASSERT (length == strlen (result));
3454 my_asnprintf (NULL, &length, "a%-*sc", -3, "b");
3455 ASSERT (result != NULL);
3456 ASSERT (strcmp (result, "ab c") == 0);
3457 ASSERT (length == strlen (result));
3461 /* Test the support of large precision. */
3466 my_asnprintf (NULL, &length, "%.4000d %d", 1234567, 99);
3468 ASSERT (result != NULL);
3469 for (i = 0; i < 4000 - 7; i++)
3470 ASSERT (result[i] == '0');
3471 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3472 ASSERT (length == strlen (result));
3479 my_asnprintf (NULL, &length, "%.*d %d", 4000, 1234567, 99);
3481 ASSERT (result != NULL);
3482 for (i = 0; i < 4000 - 7; i++)
3483 ASSERT (result[i] == '0');
3484 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3485 ASSERT (length == strlen (result));
3492 my_asnprintf (NULL, &length, "%.4000d %d", -1234567, 99);
3494 ASSERT (result != NULL);
3495 ASSERT (result[0] == '-');
3496 for (i = 0; i < 4000 - 7; i++)
3497 ASSERT (result[1 + i] == '0');
3498 ASSERT (strcmp (result + 1 + 4000 - 7, "1234567 99") == 0);
3499 ASSERT (length == strlen (result));
3506 my_asnprintf (NULL, &length, "%.4000u %d", 1234567, 99);
3508 ASSERT (result != NULL);
3509 for (i = 0; i < 4000 - 7; i++)
3510 ASSERT (result[i] == '0');
3511 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3512 ASSERT (length == strlen (result));
3519 my_asnprintf (NULL, &length, "%.4000o %d", 1234567, 99);
3521 ASSERT (result != NULL);
3522 for (i = 0; i < 4000 - 7; i++)
3523 ASSERT (result[i] == '0');
3524 ASSERT (strcmp (result + 4000 - 7, "4553207 99") == 0);
3525 ASSERT (length == strlen (result));
3532 my_asnprintf (NULL, &length, "%.4000x %d", 1234567, 99);
3534 ASSERT (result != NULL);
3535 for (i = 0; i < 4000 - 6; i++)
3536 ASSERT (result[i] == '0');
3537 ASSERT (strcmp (result + 4000 - 6, "12d687 99") == 0);
3538 ASSERT (length == strlen (result));
3545 my_asnprintf (NULL, &length, "%#.4000x %d", 1234567, 99);
3547 ASSERT (result != NULL);
3548 ASSERT (result[0] == '0');
3549 ASSERT (result[1] == 'x');
3550 for (i = 0; i < 4000 - 6; i++)
3551 ASSERT (result[2 + i] == '0');
3552 ASSERT (strcmp (result + 2 + 4000 - 6, "12d687 99") == 0);
3553 ASSERT (length == strlen (result));
3560 my_asnprintf (NULL, &length, "%.4000f %d", 1.0, 99);
3562 ASSERT (result != NULL);
3563 ASSERT (result[0] == '1');
3564 ASSERT (result[1] == '.');
3565 for (i = 0; i < 4000; i++)
3566 ASSERT (result[2 + i] == '0');
3567 ASSERT (strcmp (result + 2 + 4000, " 99") == 0);
3568 ASSERT (length == strlen (result));
3575 my_asnprintf (NULL, &length, "%.511f %d", 1.0, 99);
3577 ASSERT (result != NULL);
3578 ASSERT (result[0] == '1');
3579 ASSERT (result[1] == '.');
3580 for (i = 0; i < 511; i++)
3581 ASSERT (result[2 + i] == '0');
3582 ASSERT (strcmp (result + 2 + 511, " 99") == 0);
3583 ASSERT (length == strlen (result));
3593 for (i = 0; i < sizeof (input) - 1; i++)
3594 input[i] = 'a' + ((1000000 / (i + 1)) % 26);
3596 result = my_asnprintf (NULL, &length, "%.4000s %d", input, 99);
3597 ASSERT (result != NULL);
3598 ASSERT (memcmp (result, input, 4000) == 0);
3599 ASSERT (strcmp (result + 4000, " 99") == 0);
3600 ASSERT (length == strlen (result));
3604 /* Test the support of the %s format directive. */
3606 /* To verify that these tests succeed, it is necessary to run them under
3607 a tool that checks against invalid memory accesses, such as ElectricFence
3608 or "valgrind --tool=memcheck". */
3612 for (i = 1; i <= 8; i++)
3618 block = (char *) malloc (i);
3619 memcpy (block, "abcdefgh", i);
3620 result = my_asnprintf (NULL, &length, "%.*s", (int) i, block);
3621 ASSERT (result != NULL);
3622 ASSERT (memcmp (result, block, i) == 0);
3623 ASSERT (result[i] == '\0');
3624 ASSERT (length == strlen (result));
3633 for (i = 1; i <= 8; i++)
3640 block = (wchar_t *) malloc (i * sizeof (wchar_t));
3641 for (j = 0; j < i; j++)
3642 block[j] = "abcdefgh"[j];
3643 result = my_asnprintf (NULL, &length, "%.*ls", (int) i, block);
3644 ASSERT (result != NULL);
3645 ASSERT (memcmp (result, "abcdefgh", i) == 0);
3646 ASSERT (result[i] == '\0');
3647 ASSERT (length == strlen (result));
3655 /* Test that converting an invalid wchar_t[] to char[] fails with EILSEQ. */
3657 static const wchar_t input[] = { (wchar_t) 1702057263, 114, 0 };
3659 char *result = my_asnprintf (NULL, &length, "%ls %d", input, 99);
3661 ASSERT (errno == EILSEQ);
3666 static const wchar_t input[] = { (wchar_t) 1702057263, 114, 0 };
3668 char *result = my_asnprintf (NULL, &length, "%3ls %d", input, 99);
3670 ASSERT (errno == EILSEQ);
3675 static const wchar_t input[] = { (wchar_t) 1702057263, 114, 0 };
3677 char *result = my_asnprintf (NULL, &length, "%.1ls %d", input, 99);
3679 ASSERT (errno == EILSEQ);
3684 static const wchar_t input[] = { (wchar_t) 1702057263, 114, 0 };
3686 char *result = my_asnprintf (NULL, &length, "%3.1ls %d", input, 99);
3688 ASSERT (errno == EILSEQ);
3694 #if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2)) && !defined __UCLIBC__
3695 /* Test that the 'I' flag is supported. */
3699 my_asnprintf (NULL, &length, "%Id %d", 1234567, 99);
3700 ASSERT (result != NULL);
3701 ASSERT (strcmp (result, "1234567 99") == 0);
3702 ASSERT (length == strlen (result));
3709 my_asnprintf (char *resultbuf, size_t *lengthp, const char *format, ...)
3714 va_start (args, format);
3715 ret = vasnprintf (resultbuf, lengthp, format, args);
3723 test_function (my_asnprintf);
3729 test_function (asnprintf);
3733 main (int argc, char *argv[])