1 /* Test of POSIX compatible vasprintf() and asprintf() functions.
2 Copyright (C) 2007-2008 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. */
33 #define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
34 #define ASSERT(expr) \
39 fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
46 /* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0. */
50 static double plus_zero = 0.0;
51 double minus_zero = - plus_zero;
52 return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0;
55 /* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0.
56 So we use -zerod instead. */
59 /* On HP-UX 10.20, negating 0.0L does not yield -0.0L.
60 So we use minus_zerol instead.
61 Note that the expression -LDBL_MIN * LDBL_MIN does not work on other
62 platforms, such as when cross-compiling to PowerPC on MacOS X 10.5. */
63 #if defined __hpux || defined __sgi
64 long double minus_zerol = -LDBL_MIN * LDBL_MIN;
66 long double minus_zerol = -0.0L;
69 /* Representation of an 80-bit 'long double' as an initializer for a sequence
70 of 'unsigned int' words. */
71 #ifdef WORDS_BIGENDIAN
72 # define LDBL80_WORDS(exponent,manthi,mantlo) \
73 { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \
74 ((unsigned int) (manthi) << 16) | (unsigned int) (mantlo) >> 16), \
75 (unsigned int) (mantlo) << 16 \
78 # define LDBL80_WORDS(exponent,manthi,mantlo) \
79 { mantlo, manthi, exponent }
83 strmatch (const char *pattern, const char *string)
85 if (strlen (pattern) != strlen (string))
87 for (; *pattern != '\0'; pattern++, string++)
88 if (*pattern != '*' && *string != *pattern)
93 /* Test whether string[start_index..end_index-1] is a valid textual
94 representation of NaN. */
96 strisnan (const char *string, size_t start_index, size_t end_index, int uppercase)
98 if (start_index < end_index)
100 if (string[start_index] == '-')
102 if (start_index + 3 <= end_index
103 && memcmp (string + start_index, uppercase ? "NAN" : "nan", 3) == 0)
106 if (start_index == end_index
107 || (string[start_index] == '(' && string[end_index - 1] == ')'))
115 test_function (int (*my_asprintf) (char **, const char *, ...))
119 /* Test return value convention. */
121 for (repeat = 0; repeat <= 8; repeat++)
124 int retval = asprintf (&result, "%d", 12345);
125 ASSERT (retval == 5);
126 ASSERT (result != NULL);
127 ASSERT (strcmp (result, "12345") == 0);
131 /* Test support of size specifiers as in C99. */
136 my_asprintf (&result, "%ju %d", (uintmax_t) 12345671, 33, 44, 55);
137 ASSERT (result != NULL);
138 ASSERT (strcmp (result, "12345671 33") == 0);
139 ASSERT (retval == strlen (result));
146 my_asprintf (&result, "%zu %d", (size_t) 12345672, 33, 44, 55);
147 ASSERT (result != NULL);
148 ASSERT (strcmp (result, "12345672 33") == 0);
149 ASSERT (retval == strlen (result));
156 my_asprintf (&result, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55);
157 ASSERT (result != NULL);
158 ASSERT (strcmp (result, "12345673 33") == 0);
159 ASSERT (retval == strlen (result));
166 my_asprintf (&result, "%Lg %d", (long double) 1.5, 33, 44, 55);
167 ASSERT (result != NULL);
168 ASSERT (strcmp (result, "1.5 33") == 0);
169 ASSERT (retval == strlen (result));
173 /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
174 output of floating-point numbers. */
176 { /* A positive number. */
179 my_asprintf (&result, "%a %d", 3.1416015625, 33, 44, 55);
180 ASSERT (result != NULL);
181 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
182 || strcmp (result, "0x3.244p+0 33") == 0
183 || strcmp (result, "0x6.488p-1 33") == 0
184 || strcmp (result, "0xc.91p-2 33") == 0);
185 ASSERT (retval == strlen (result));
189 { /* A negative number. */
192 my_asprintf (&result, "%A %d", -3.1416015625, 33, 44, 55);
193 ASSERT (result != NULL);
194 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
195 || strcmp (result, "-0X3.244P+0 33") == 0
196 || strcmp (result, "-0X6.488P-1 33") == 0
197 || strcmp (result, "-0XC.91P-2 33") == 0);
198 ASSERT (retval == strlen (result));
202 { /* Positive zero. */
205 my_asprintf (&result, "%a %d", 0.0, 33, 44, 55);
206 ASSERT (result != NULL);
207 ASSERT (strcmp (result, "0x0p+0 33") == 0);
208 ASSERT (retval == strlen (result));
212 { /* Negative zero. */
215 my_asprintf (&result, "%a %d", -zerod, 33, 44, 55);
216 ASSERT (result != NULL);
217 if (have_minus_zero ())
218 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
219 ASSERT (retval == strlen (result));
223 { /* Positive infinity. */
226 my_asprintf (&result, "%a %d", 1.0 / 0.0, 33, 44, 55);
227 ASSERT (result != NULL);
228 ASSERT (strcmp (result, "inf 33") == 0);
229 ASSERT (retval == strlen (result));
233 { /* Negative infinity. */
236 my_asprintf (&result, "%a %d", -1.0 / 0.0, 33, 44, 55);
237 ASSERT (result != NULL);
238 ASSERT (strcmp (result, "-inf 33") == 0);
239 ASSERT (retval == strlen (result));
246 my_asprintf (&result, "%a %d", NaNd (), 33, 44, 55);
247 ASSERT (result != NULL);
248 ASSERT (strlen (result) >= 3 + 3
249 && strisnan (result, 0, strlen (result) - 3, 0)
250 && strcmp (result + strlen (result) - 3, " 33") == 0);
251 ASSERT (retval == strlen (result));
255 { /* Rounding near the decimal point. */
258 my_asprintf (&result, "%.0a %d", 1.5, 33, 44, 55);
259 ASSERT (result != NULL);
260 ASSERT (strcmp (result, "0x2p+0 33") == 0
261 || strcmp (result, "0x3p-1 33") == 0
262 || strcmp (result, "0x6p-2 33") == 0
263 || strcmp (result, "0xcp-3 33") == 0);
264 ASSERT (retval == strlen (result));
268 { /* Rounding with precision 0. */
271 my_asprintf (&result, "%.0a %d", 1.51, 33, 44, 55);
272 ASSERT (result != NULL);
273 ASSERT (strcmp (result, "0x2p+0 33") == 0
274 || strcmp (result, "0x3p-1 33") == 0
275 || strcmp (result, "0x6p-2 33") == 0
276 || strcmp (result, "0xcp-3 33") == 0);
277 ASSERT (retval == strlen (result));
281 { /* Rounding with precision 1. */
284 my_asprintf (&result, "%.1a %d", 1.51, 33, 44, 55);
285 ASSERT (result != NULL);
286 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
287 || strcmp (result, "0x3.0p-1 33") == 0
288 || strcmp (result, "0x6.1p-2 33") == 0
289 || strcmp (result, "0xc.1p-3 33") == 0);
290 ASSERT (retval == strlen (result));
294 { /* Rounding with precision 2. */
297 my_asprintf (&result, "%.2a %d", 1.51, 33, 44, 55);
298 ASSERT (result != NULL);
299 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
300 || strcmp (result, "0x3.05p-1 33") == 0
301 || strcmp (result, "0x6.0ap-2 33") == 0
302 || strcmp (result, "0xc.14p-3 33") == 0);
303 ASSERT (retval == strlen (result));
307 { /* Rounding with precision 3. */
310 my_asprintf (&result, "%.3a %d", 1.51, 33, 44, 55);
311 ASSERT (result != NULL);
312 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
313 || strcmp (result, "0x3.052p-1 33") == 0
314 || strcmp (result, "0x6.0a4p-2 33") == 0
315 || strcmp (result, "0xc.148p-3 33") == 0);
316 ASSERT (retval == strlen (result));
320 { /* Rounding can turn a ...FFF into a ...000. */
323 my_asprintf (&result, "%.3a %d", 1.49999, 33, 44, 55);
324 ASSERT (result != NULL);
325 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
326 || strcmp (result, "0x3.000p-1 33") == 0
327 || strcmp (result, "0x6.000p-2 33") == 0
328 || strcmp (result, "0xc.000p-3 33") == 0);
329 ASSERT (retval == strlen (result));
333 { /* Rounding can turn a ...FFF into a ...000.
334 This shows a MacOS X 10.3.9 (Darwin 7.9) bug. */
337 my_asprintf (&result, "%.1a %d", 1.999, 33, 44, 55);
338 ASSERT (result != NULL);
339 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
340 || strcmp (result, "0x2.0p+0 33") == 0
341 || strcmp (result, "0x4.0p-1 33") == 0
342 || strcmp (result, "0x8.0p-2 33") == 0);
343 ASSERT (retval == strlen (result));
350 my_asprintf (&result, "%10a %d", 1.75, 33, 44, 55);
351 ASSERT (result != NULL);
352 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
353 || strcmp (result, " 0x3.8p-1 33") == 0
354 || strcmp (result, " 0x7p-2 33") == 0
355 || strcmp (result, " 0xep-3 33") == 0);
356 ASSERT (retval == strlen (result));
360 { /* Small precision. */
363 my_asprintf (&result, "%.10a %d", 1.75, 33, 44, 55);
364 ASSERT (result != NULL);
365 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
366 || strcmp (result, "0x3.8000000000p-1 33") == 0
367 || strcmp (result, "0x7.0000000000p-2 33") == 0
368 || strcmp (result, "0xe.0000000000p-3 33") == 0);
369 ASSERT (retval == strlen (result));
373 { /* Large precision. */
376 my_asprintf (&result, "%.50a %d", 1.75, 33, 44, 55);
377 ASSERT (result != NULL);
378 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
379 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
380 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
381 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
382 ASSERT (retval == strlen (result));
389 my_asprintf (&result, "%-10a %d", 1.75, 33, 44, 55);
390 ASSERT (result != NULL);
391 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
392 || strcmp (result, "0x3.8p-1 33") == 0
393 || strcmp (result, "0x7p-2 33") == 0
394 || strcmp (result, "0xep-3 33") == 0);
395 ASSERT (retval == strlen (result));
399 { /* FLAG_SHOWSIGN. */
402 my_asprintf (&result, "%+a %d", 1.75, 33, 44, 55);
403 ASSERT (result != NULL);
404 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
405 || strcmp (result, "+0x3.8p-1 33") == 0
406 || strcmp (result, "+0x7p-2 33") == 0
407 || strcmp (result, "+0xep-3 33") == 0);
408 ASSERT (retval == strlen (result));
415 my_asprintf (&result, "% a %d", 1.75, 33, 44, 55);
416 ASSERT (result != NULL);
417 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
418 || strcmp (result, " 0x3.8p-1 33") == 0
419 || strcmp (result, " 0x7p-2 33") == 0
420 || strcmp (result, " 0xep-3 33") == 0);
421 ASSERT (retval == strlen (result));
428 my_asprintf (&result, "%#a %d", 1.75, 33, 44, 55);
429 ASSERT (result != NULL);
430 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
431 || strcmp (result, "0x3.8p-1 33") == 0
432 || strcmp (result, "0x7.p-2 33") == 0
433 || strcmp (result, "0xe.p-3 33") == 0);
434 ASSERT (retval == strlen (result));
441 my_asprintf (&result, "%#a %d", 1.0, 33, 44, 55);
442 ASSERT (result != NULL);
443 ASSERT (strcmp (result, "0x1.p+0 33") == 0
444 || strcmp (result, "0x2.p-1 33") == 0
445 || strcmp (result, "0x4.p-2 33") == 0
446 || strcmp (result, "0x8.p-3 33") == 0);
447 ASSERT (retval == strlen (result));
451 { /* FLAG_ZERO with finite number. */
454 my_asprintf (&result, "%010a %d", 1.75, 33, 44, 55);
455 ASSERT (result != NULL);
456 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
457 || strcmp (result, "0x003.8p-1 33") == 0
458 || strcmp (result, "0x00007p-2 33") == 0
459 || strcmp (result, "0x0000ep-3 33") == 0);
460 ASSERT (retval == strlen (result));
464 { /* FLAG_ZERO with infinite number. */
467 my_asprintf (&result, "%010a %d", 1.0 / 0.0, 33, 44, 55);
468 ASSERT (result != NULL);
469 /* "0000000inf 33" is not a valid result; see
470 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
471 ASSERT (strcmp (result, " inf 33") == 0);
472 ASSERT (retval == strlen (result));
476 { /* FLAG_ZERO with NaN. */
479 my_asprintf (&result, "%050a %d", NaNd (), 33, 44, 55);
480 ASSERT (result != NULL);
481 /* "0000000nan 33" is not a valid result; see
482 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
483 ASSERT (strlen (result) == 50 + 3
484 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
485 && strcmp (result + strlen (result) - 3, " 33") == 0);
486 ASSERT (retval == strlen (result));
490 { /* A positive number. */
493 my_asprintf (&result, "%La %d", 3.1416015625L, 33, 44, 55);
494 ASSERT (result != NULL);
495 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
496 || strcmp (result, "0x3.244p+0 33") == 0
497 || strcmp (result, "0x6.488p-1 33") == 0
498 || strcmp (result, "0xc.91p-2 33") == 0);
499 ASSERT (retval == strlen (result));
503 { /* A negative number. */
506 my_asprintf (&result, "%LA %d", -3.1416015625L, 33, 44, 55);
507 ASSERT (result != NULL);
508 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
509 || strcmp (result, "-0X3.244P+0 33") == 0
510 || strcmp (result, "-0X6.488P-1 33") == 0
511 || strcmp (result, "-0XC.91P-2 33") == 0);
512 ASSERT (retval == strlen (result));
516 { /* Positive zero. */
519 my_asprintf (&result, "%La %d", 0.0L, 33, 44, 55);
520 ASSERT (result != NULL);
521 ASSERT (strcmp (result, "0x0p+0 33") == 0);
522 ASSERT (retval == strlen (result));
526 { /* Negative zero. */
529 my_asprintf (&result, "%La %d", minus_zerol, 33, 44, 55);
530 ASSERT (result != NULL);
531 if (have_minus_zero ())
532 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
533 ASSERT (retval == strlen (result));
537 { /* Positive infinity. */
540 my_asprintf (&result, "%La %d", 1.0L / 0.0L, 33, 44, 55);
541 ASSERT (result != NULL);
542 ASSERT (strcmp (result, "inf 33") == 0);
543 ASSERT (retval == strlen (result));
547 { /* Negative infinity. */
550 my_asprintf (&result, "%La %d", -1.0L / 0.0L, 33, 44, 55);
551 ASSERT (result != NULL);
552 ASSERT (strcmp (result, "-inf 33") == 0);
553 ASSERT (retval == strlen (result));
560 my_asprintf (&result, "%La %d", NaNl (), 33, 44, 55);
561 ASSERT (result != NULL);
562 ASSERT (strlen (result) >= 3 + 3
563 && strisnan (result, 0, strlen (result) - 3, 0)
564 && strcmp (result + strlen (result) - 3, " 33") == 0);
565 ASSERT (retval == strlen (result));
568 #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_))
570 static union { unsigned int word[4]; long double value; } x =
571 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
574 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
575 ASSERT (result != NULL);
576 ASSERT (strlen (result) >= 3 + 3
577 && strisnan (result, 0, strlen (result) - 3, 0)
578 && strcmp (result + strlen (result) - 3, " 33") == 0);
579 ASSERT (retval == strlen (result));
583 /* Signalling NaN. */
584 static union { unsigned int word[4]; long double value; } x =
585 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
588 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
589 ASSERT (result != NULL);
590 ASSERT (strlen (result) >= 3 + 3
591 && strisnan (result, 0, strlen (result) - 3, 0)
592 && strcmp (result + strlen (result) - 3, " 33") == 0);
593 ASSERT (retval == strlen (result));
596 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
597 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
598 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
599 Application Architecture.
600 Table 5-2 "Floating-Point Register Encodings"
601 Figure 5-6 "Memory to Floating-Point Register Data Translation"
604 static union { unsigned int word[4]; long double value; } x =
605 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
608 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
609 ASSERT (result != NULL);
610 ASSERT (strlen (result) >= 3 + 3
611 && strisnan (result, 0, strlen (result) - 3, 0)
612 && strcmp (result + strlen (result) - 3, " 33") == 0);
613 ASSERT (retval == strlen (result));
616 { /* Pseudo-Infinity. */
617 static union { unsigned int word[4]; long double value; } x =
618 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
621 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
622 ASSERT (result != NULL);
623 ASSERT (strlen (result) >= 3 + 3
624 && strisnan (result, 0, strlen (result) - 3, 0)
625 && strcmp (result + strlen (result) - 3, " 33") == 0);
626 ASSERT (retval == strlen (result));
630 static union { unsigned int word[4]; long double value; } x =
631 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
634 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
635 ASSERT (result != NULL);
636 ASSERT (strlen (result) >= 3 + 3
637 && strisnan (result, 0, strlen (result) - 3, 0)
638 && strcmp (result + strlen (result) - 3, " 33") == 0);
639 ASSERT (retval == strlen (result));
642 { /* Unnormalized number. */
643 static union { unsigned int word[4]; long double value; } x =
644 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
647 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
648 ASSERT (result != NULL);
649 ASSERT (strlen (result) >= 3 + 3
650 && strisnan (result, 0, strlen (result) - 3, 0)
651 && strcmp (result + strlen (result) - 3, " 33") == 0);
652 ASSERT (retval == strlen (result));
655 { /* Pseudo-Denormal. */
656 static union { unsigned int word[4]; long double value; } x =
657 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
660 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
661 ASSERT (result != NULL);
662 ASSERT (strlen (result) >= 3 + 3
663 && strisnan (result, 0, strlen (result) - 3, 0)
664 && strcmp (result + strlen (result) - 3, " 33") == 0);
665 ASSERT (retval == strlen (result));
670 { /* Rounding near the decimal point. */
673 my_asprintf (&result, "%.0La %d", 1.5L, 33, 44, 55);
674 ASSERT (result != NULL);
675 ASSERT (strcmp (result, "0x2p+0 33") == 0
676 || strcmp (result, "0x3p-1 33") == 0
677 || strcmp (result, "0x6p-2 33") == 0
678 || strcmp (result, "0xcp-3 33") == 0);
679 ASSERT (retval == strlen (result));
683 { /* Rounding with precision 0. */
686 my_asprintf (&result, "%.0La %d", 1.51L, 33, 44, 55);
687 ASSERT (result != NULL);
688 ASSERT (strcmp (result, "0x2p+0 33") == 0
689 || strcmp (result, "0x3p-1 33") == 0
690 || strcmp (result, "0x6p-2 33") == 0
691 || strcmp (result, "0xcp-3 33") == 0);
692 ASSERT (retval == strlen (result));
696 { /* Rounding with precision 1. */
699 my_asprintf (&result, "%.1La %d", 1.51L, 33, 44, 55);
700 ASSERT (result != NULL);
701 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
702 || strcmp (result, "0x3.0p-1 33") == 0
703 || strcmp (result, "0x6.1p-2 33") == 0
704 || strcmp (result, "0xc.1p-3 33") == 0);
705 ASSERT (retval == strlen (result));
709 { /* Rounding with precision 2. */
712 my_asprintf (&result, "%.2La %d", 1.51L, 33, 44, 55);
713 ASSERT (result != NULL);
714 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
715 || strcmp (result, "0x3.05p-1 33") == 0
716 || strcmp (result, "0x6.0ap-2 33") == 0
717 || strcmp (result, "0xc.14p-3 33") == 0);
718 ASSERT (retval == strlen (result));
722 { /* Rounding with precision 3. */
725 my_asprintf (&result, "%.3La %d", 1.51L, 33, 44, 55);
726 ASSERT (result != NULL);
727 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
728 || strcmp (result, "0x3.052p-1 33") == 0
729 || strcmp (result, "0x6.0a4p-2 33") == 0
730 || strcmp (result, "0xc.148p-3 33") == 0);
731 ASSERT (retval == strlen (result));
735 { /* Rounding can turn a ...FFF into a ...000. */
738 my_asprintf (&result, "%.3La %d", 1.49999L, 33, 44, 55);
739 ASSERT (result != NULL);
740 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
741 || strcmp (result, "0x3.000p-1 33") == 0
742 || strcmp (result, "0x6.000p-2 33") == 0
743 || strcmp (result, "0xc.000p-3 33") == 0);
744 ASSERT (retval == strlen (result));
748 { /* Rounding can turn a ...FFF into a ...000.
749 This shows a MacOS X 10.3.9 (Darwin 7.9) bug and a
750 glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
753 my_asprintf (&result, "%.1La %d", 1.999L, 33, 44, 55);
754 ASSERT (result != NULL);
755 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
756 || strcmp (result, "0x2.0p+0 33") == 0
757 || strcmp (result, "0x4.0p-1 33") == 0
758 || strcmp (result, "0x8.0p-2 33") == 0);
759 ASSERT (retval == strlen (result));
766 my_asprintf (&result, "%10La %d", 1.75L, 33, 44, 55);
767 ASSERT (result != NULL);
768 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
769 || strcmp (result, " 0x3.8p-1 33") == 0
770 || strcmp (result, " 0x7p-2 33") == 0
771 || strcmp (result, " 0xep-3 33") == 0);
772 ASSERT (retval == strlen (result));
776 { /* Small precision. */
779 my_asprintf (&result, "%.10La %d", 1.75L, 33, 44, 55);
780 ASSERT (result != NULL);
781 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
782 || strcmp (result, "0x3.8000000000p-1 33") == 0
783 || strcmp (result, "0x7.0000000000p-2 33") == 0
784 || strcmp (result, "0xe.0000000000p-3 33") == 0);
785 ASSERT (retval == strlen (result));
789 { /* Large precision. */
792 my_asprintf (&result, "%.50La %d", 1.75L, 33, 44, 55);
793 ASSERT (result != NULL);
794 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
795 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
796 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
797 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
798 ASSERT (retval == strlen (result));
805 my_asprintf (&result, "%-10La %d", 1.75L, 33, 44, 55);
806 ASSERT (result != NULL);
807 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
808 || strcmp (result, "0x3.8p-1 33") == 0
809 || strcmp (result, "0x7p-2 33") == 0
810 || strcmp (result, "0xep-3 33") == 0);
811 ASSERT (retval == strlen (result));
815 { /* FLAG_SHOWSIGN. */
818 my_asprintf (&result, "%+La %d", 1.75L, 33, 44, 55);
819 ASSERT (result != NULL);
820 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
821 || strcmp (result, "+0x3.8p-1 33") == 0
822 || strcmp (result, "+0x7p-2 33") == 0
823 || strcmp (result, "+0xep-3 33") == 0);
824 ASSERT (retval == strlen (result));
831 my_asprintf (&result, "% La %d", 1.75L, 33, 44, 55);
832 ASSERT (result != NULL);
833 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
834 || strcmp (result, " 0x3.8p-1 33") == 0
835 || strcmp (result, " 0x7p-2 33") == 0
836 || strcmp (result, " 0xep-3 33") == 0);
837 ASSERT (retval == strlen (result));
844 my_asprintf (&result, "%#La %d", 1.75L, 33, 44, 55);
845 ASSERT (result != NULL);
846 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
847 || strcmp (result, "0x3.8p-1 33") == 0
848 || strcmp (result, "0x7.p-2 33") == 0
849 || strcmp (result, "0xe.p-3 33") == 0);
850 ASSERT (retval == strlen (result));
857 my_asprintf (&result, "%#La %d", 1.0L, 33, 44, 55);
858 ASSERT (result != NULL);
859 ASSERT (strcmp (result, "0x1.p+0 33") == 0
860 || strcmp (result, "0x2.p-1 33") == 0
861 || strcmp (result, "0x4.p-2 33") == 0
862 || strcmp (result, "0x8.p-3 33") == 0);
863 ASSERT (retval == strlen (result));
867 { /* FLAG_ZERO with finite number. */
870 my_asprintf (&result, "%010La %d", 1.75L, 33, 44, 55);
871 ASSERT (result != NULL);
872 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
873 || strcmp (result, "0x003.8p-1 33") == 0
874 || strcmp (result, "0x00007p-2 33") == 0
875 || strcmp (result, "0x0000ep-3 33") == 0);
876 ASSERT (retval == strlen (result));
880 { /* FLAG_ZERO with infinite number. */
883 my_asprintf (&result, "%010La %d", 1.0L / 0.0L, 33, 44, 55);
884 ASSERT (result != NULL);
885 /* "0000000inf 33" is not a valid result; see
886 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
887 ASSERT (strcmp (result, " inf 33") == 0);
888 ASSERT (retval == strlen (result));
892 { /* FLAG_ZERO with NaN. */
895 my_asprintf (&result, "%050La %d", NaNl (), 33, 44, 55);
896 ASSERT (result != NULL);
897 /* "0000000nan 33" is not a valid result; see
898 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
899 ASSERT (strlen (result) == 50 + 3
900 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
901 && strcmp (result + strlen (result) - 3, " 33") == 0);
902 ASSERT (retval == strlen (result));
906 /* Test the support of the %f format directive. */
908 { /* A positive number. */
911 my_asprintf (&result, "%f %d", 12.75, 33, 44, 55);
912 ASSERT (result != NULL);
913 ASSERT (strcmp (result, "12.750000 33") == 0);
914 ASSERT (retval == strlen (result));
918 { /* A larger positive number. */
921 my_asprintf (&result, "%f %d", 1234567.0, 33, 44, 55);
922 ASSERT (result != NULL);
923 ASSERT (strcmp (result, "1234567.000000 33") == 0);
924 ASSERT (retval == strlen (result));
928 { /* Small and large positive numbers. */
929 static struct { double value; const char *string; } data[] =
931 { 1.234321234321234e-37, "0.000000" },
932 { 1.234321234321234e-36, "0.000000" },
933 { 1.234321234321234e-35, "0.000000" },
934 { 1.234321234321234e-34, "0.000000" },
935 { 1.234321234321234e-33, "0.000000" },
936 { 1.234321234321234e-32, "0.000000" },
937 { 1.234321234321234e-31, "0.000000" },
938 { 1.234321234321234e-30, "0.000000" },
939 { 1.234321234321234e-29, "0.000000" },
940 { 1.234321234321234e-28, "0.000000" },
941 { 1.234321234321234e-27, "0.000000" },
942 { 1.234321234321234e-26, "0.000000" },
943 { 1.234321234321234e-25, "0.000000" },
944 { 1.234321234321234e-24, "0.000000" },
945 { 1.234321234321234e-23, "0.000000" },
946 { 1.234321234321234e-22, "0.000000" },
947 { 1.234321234321234e-21, "0.000000" },
948 { 1.234321234321234e-20, "0.000000" },
949 { 1.234321234321234e-19, "0.000000" },
950 { 1.234321234321234e-18, "0.000000" },
951 { 1.234321234321234e-17, "0.000000" },
952 { 1.234321234321234e-16, "0.000000" },
953 { 1.234321234321234e-15, "0.000000" },
954 { 1.234321234321234e-14, "0.000000" },
955 { 1.234321234321234e-13, "0.000000" },
956 { 1.234321234321234e-12, "0.000000" },
957 { 1.234321234321234e-11, "0.000000" },
958 { 1.234321234321234e-10, "0.000000" },
959 { 1.234321234321234e-9, "0.000000" },
960 { 1.234321234321234e-8, "0.000000" },
961 { 1.234321234321234e-7, "0.000000" },
962 { 1.234321234321234e-6, "0.000001" },
963 { 1.234321234321234e-5, "0.000012" },
964 { 1.234321234321234e-4, "0.000123" },
965 { 1.234321234321234e-3, "0.001234" },
966 { 1.234321234321234e-2, "0.012343" },
967 { 1.234321234321234e-1, "0.123432" },
968 { 1.234321234321234, "1.234321" },
969 { 1.234321234321234e1, "12.343212" },
970 { 1.234321234321234e2, "123.432123" },
971 { 1.234321234321234e3, "1234.321234" },
972 { 1.234321234321234e4, "12343.212343" },
973 { 1.234321234321234e5, "123432.123432" },
974 { 1.234321234321234e6, "1234321.234321" },
975 { 1.234321234321234e7, "12343212.343212" },
976 { 1.234321234321234e8, "123432123.432123" },
977 { 1.234321234321234e9, "1234321234.321234" },
978 { 1.234321234321234e10, "12343212343.2123**" },
979 { 1.234321234321234e11, "123432123432.123***" },
980 { 1.234321234321234e12, "1234321234321.23****" },
981 { 1.234321234321234e13, "12343212343212.3*****" },
982 { 1.234321234321234e14, "123432123432123.******" },
983 { 1.234321234321234e15, "1234321234321234.000000" },
984 { 1.234321234321234e16, "123432123432123**.000000" },
985 { 1.234321234321234e17, "123432123432123***.000000" },
986 { 1.234321234321234e18, "123432123432123****.000000" },
987 { 1.234321234321234e19, "123432123432123*****.000000" },
988 { 1.234321234321234e20, "123432123432123******.000000" },
989 { 1.234321234321234e21, "123432123432123*******.000000" },
990 { 1.234321234321234e22, "123432123432123********.000000" },
991 { 1.234321234321234e23, "123432123432123*********.000000" },
992 { 1.234321234321234e24, "123432123432123**********.000000" },
993 { 1.234321234321234e25, "123432123432123***********.000000" },
994 { 1.234321234321234e26, "123432123432123************.000000" },
995 { 1.234321234321234e27, "123432123432123*************.000000" },
996 { 1.234321234321234e28, "123432123432123**************.000000" },
997 { 1.234321234321234e29, "123432123432123***************.000000" },
998 { 1.234321234321234e30, "123432123432123****************.000000" },
999 { 1.234321234321234e31, "123432123432123*****************.000000" },
1000 { 1.234321234321234e32, "123432123432123******************.000000" },
1001 { 1.234321234321234e33, "123432123432123*******************.000000" },
1002 { 1.234321234321234e34, "123432123432123********************.000000" },
1003 { 1.234321234321234e35, "123432123432123*********************.000000" },
1004 { 1.234321234321234e36, "123432123432123**********************.000000" }
1007 for (k = 0; k < SIZEOF (data); k++)
1011 my_asprintf (&result, "%f", data[k].value);
1012 ASSERT (result != NULL);
1013 ASSERT (strmatch (data[k].string, result));
1014 ASSERT (retval == strlen (result));
1019 { /* A negative number. */
1022 my_asprintf (&result, "%f %d", -0.03125, 33, 44, 55);
1023 ASSERT (result != NULL);
1024 ASSERT (strcmp (result, "-0.031250 33") == 0);
1025 ASSERT (retval == strlen (result));
1029 { /* Positive zero. */
1032 my_asprintf (&result, "%f %d", 0.0, 33, 44, 55);
1033 ASSERT (result != NULL);
1034 ASSERT (strcmp (result, "0.000000 33") == 0);
1035 ASSERT (retval == strlen (result));
1039 { /* Negative zero. */
1042 my_asprintf (&result, "%f %d", -zerod, 33, 44, 55);
1043 ASSERT (result != NULL);
1044 if (have_minus_zero ())
1045 ASSERT (strcmp (result, "-0.000000 33") == 0);
1046 ASSERT (retval == strlen (result));
1050 { /* Positive infinity. */
1053 my_asprintf (&result, "%f %d", 1.0 / 0.0, 33, 44, 55);
1054 ASSERT (result != NULL);
1055 ASSERT (strcmp (result, "inf 33") == 0
1056 || strcmp (result, "infinity 33") == 0);
1057 ASSERT (retval == strlen (result));
1061 { /* Negative infinity. */
1064 my_asprintf (&result, "%f %d", -1.0 / 0.0, 33, 44, 55);
1065 ASSERT (result != NULL);
1066 ASSERT (strcmp (result, "-inf 33") == 0
1067 || strcmp (result, "-infinity 33") == 0);
1068 ASSERT (retval == strlen (result));
1075 my_asprintf (&result, "%f %d", NaNd (), 33, 44, 55);
1076 ASSERT (result != NULL);
1077 ASSERT (strlen (result) >= 3 + 3
1078 && strisnan (result, 0, strlen (result) - 3, 0)
1079 && strcmp (result + strlen (result) - 3, " 33") == 0);
1080 ASSERT (retval == strlen (result));
1087 my_asprintf (&result, "%10f %d", 1.75, 33, 44, 55);
1088 ASSERT (result != NULL);
1089 ASSERT (strcmp (result, " 1.750000 33") == 0);
1090 ASSERT (retval == strlen (result));
1097 my_asprintf (&result, "%-10f %d", 1.75, 33, 44, 55);
1098 ASSERT (result != NULL);
1099 ASSERT (strcmp (result, "1.750000 33") == 0);
1100 ASSERT (retval == strlen (result));
1104 { /* FLAG_SHOWSIGN. */
1107 my_asprintf (&result, "%+f %d", 1.75, 33, 44, 55);
1108 ASSERT (result != NULL);
1109 ASSERT (strcmp (result, "+1.750000 33") == 0);
1110 ASSERT (retval == strlen (result));
1117 my_asprintf (&result, "% f %d", 1.75, 33, 44, 55);
1118 ASSERT (result != NULL);
1119 ASSERT (strcmp (result, " 1.750000 33") == 0);
1120 ASSERT (retval == strlen (result));
1127 my_asprintf (&result, "%#f %d", 1.75, 33, 44, 55);
1128 ASSERT (result != NULL);
1129 ASSERT (strcmp (result, "1.750000 33") == 0);
1130 ASSERT (retval == strlen (result));
1137 my_asprintf (&result, "%#.f %d", 1.75, 33, 44, 55);
1138 ASSERT (result != NULL);
1139 ASSERT (strcmp (result, "2. 33") == 0);
1140 ASSERT (retval == strlen (result));
1144 { /* FLAG_ZERO with finite number. */
1147 my_asprintf (&result, "%015f %d", 1234.0, 33, 44, 55);
1148 ASSERT (result != NULL);
1149 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1150 ASSERT (retval == strlen (result));
1154 { /* FLAG_ZERO with infinite number. */
1157 my_asprintf (&result, "%015f %d", -1.0 / 0.0, 33, 44, 55);
1158 ASSERT (result != NULL);
1159 ASSERT (strcmp (result, " -inf 33") == 0
1160 || strcmp (result, " -infinity 33") == 0);
1161 ASSERT (retval == strlen (result));
1165 { /* FLAG_ZERO with NaN. */
1168 my_asprintf (&result, "%050f %d", NaNd (), 33, 44, 55);
1169 ASSERT (result != NULL);
1170 ASSERT (strlen (result) == 50 + 3
1171 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1172 && strcmp (result + strlen (result) - 3, " 33") == 0);
1173 ASSERT (retval == strlen (result));
1180 my_asprintf (&result, "%.f %d", 1234.0, 33, 44, 55);
1181 ASSERT (result != NULL);
1182 ASSERT (strcmp (result, "1234 33") == 0);
1183 ASSERT (retval == strlen (result));
1187 { /* Precision with no rounding. */
1190 my_asprintf (&result, "%.2f %d", 999.951, 33, 44, 55);
1191 ASSERT (result != NULL);
1192 ASSERT (strcmp (result, "999.95 33") == 0);
1193 ASSERT (retval == strlen (result));
1197 { /* Precision with rounding. */
1200 my_asprintf (&result, "%.2f %d", 999.996, 33, 44, 55);
1201 ASSERT (result != NULL);
1202 ASSERT (strcmp (result, "1000.00 33") == 0);
1203 ASSERT (retval == strlen (result));
1207 { /* A positive number. */
1210 my_asprintf (&result, "%Lf %d", 12.75L, 33, 44, 55);
1211 ASSERT (result != NULL);
1212 ASSERT (strcmp (result, "12.750000 33") == 0);
1213 ASSERT (retval == strlen (result));
1217 { /* A larger positive number. */
1220 my_asprintf (&result, "%Lf %d", 1234567.0L, 33, 44, 55);
1221 ASSERT (result != NULL);
1222 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1223 ASSERT (retval == strlen (result));
1227 { /* Small and large positive numbers. */
1228 static struct { long double value; const char *string; } data[] =
1230 { 1.234321234321234e-37L, "0.000000" },
1231 { 1.234321234321234e-36L, "0.000000" },
1232 { 1.234321234321234e-35L, "0.000000" },
1233 { 1.234321234321234e-34L, "0.000000" },
1234 { 1.234321234321234e-33L, "0.000000" },
1235 { 1.234321234321234e-32L, "0.000000" },
1236 { 1.234321234321234e-31L, "0.000000" },
1237 { 1.234321234321234e-30L, "0.000000" },
1238 { 1.234321234321234e-29L, "0.000000" },
1239 { 1.234321234321234e-28L, "0.000000" },
1240 { 1.234321234321234e-27L, "0.000000" },
1241 { 1.234321234321234e-26L, "0.000000" },
1242 { 1.234321234321234e-25L, "0.000000" },
1243 { 1.234321234321234e-24L, "0.000000" },
1244 { 1.234321234321234e-23L, "0.000000" },
1245 { 1.234321234321234e-22L, "0.000000" },
1246 { 1.234321234321234e-21L, "0.000000" },
1247 { 1.234321234321234e-20L, "0.000000" },
1248 { 1.234321234321234e-19L, "0.000000" },
1249 { 1.234321234321234e-18L, "0.000000" },
1250 { 1.234321234321234e-17L, "0.000000" },
1251 { 1.234321234321234e-16L, "0.000000" },
1252 { 1.234321234321234e-15L, "0.000000" },
1253 { 1.234321234321234e-14L, "0.000000" },
1254 { 1.234321234321234e-13L, "0.000000" },
1255 { 1.234321234321234e-12L, "0.000000" },
1256 { 1.234321234321234e-11L, "0.000000" },
1257 { 1.234321234321234e-10L, "0.000000" },
1258 { 1.234321234321234e-9L, "0.000000" },
1259 { 1.234321234321234e-8L, "0.000000" },
1260 { 1.234321234321234e-7L, "0.000000" },
1261 { 1.234321234321234e-6L, "0.000001" },
1262 { 1.234321234321234e-5L, "0.000012" },
1263 { 1.234321234321234e-4L, "0.000123" },
1264 { 1.234321234321234e-3L, "0.001234" },
1265 { 1.234321234321234e-2L, "0.012343" },
1266 { 1.234321234321234e-1L, "0.123432" },
1267 { 1.234321234321234L, "1.234321" },
1268 { 1.234321234321234e1L, "12.343212" },
1269 { 1.234321234321234e2L, "123.432123" },
1270 { 1.234321234321234e3L, "1234.321234" },
1271 { 1.234321234321234e4L, "12343.212343" },
1272 { 1.234321234321234e5L, "123432.123432" },
1273 { 1.234321234321234e6L, "1234321.234321" },
1274 { 1.234321234321234e7L, "12343212.343212" },
1275 { 1.234321234321234e8L, "123432123.432123" },
1276 { 1.234321234321234e9L, "1234321234.321234" },
1277 { 1.234321234321234e10L, "12343212343.2123**" },
1278 { 1.234321234321234e11L, "123432123432.123***" },
1279 { 1.234321234321234e12L, "1234321234321.23****" },
1280 { 1.234321234321234e13L, "12343212343212.3*****" },
1281 { 1.234321234321234e14L, "123432123432123.******" },
1282 { 1.234321234321234e15L, "1234321234321234.000000" },
1283 { 1.234321234321234e16L, "123432123432123**.000000" },
1284 { 1.234321234321234e17L, "123432123432123***.000000" },
1285 { 1.234321234321234e18L, "123432123432123****.000000" },
1286 { 1.234321234321234e19L, "123432123432123*****.000000" },
1287 { 1.234321234321234e20L, "123432123432123******.000000" },
1288 { 1.234321234321234e21L, "123432123432123*******.000000" },
1289 { 1.234321234321234e22L, "123432123432123********.000000" },
1290 { 1.234321234321234e23L, "123432123432123*********.000000" },
1291 { 1.234321234321234e24L, "123432123432123**********.000000" },
1292 { 1.234321234321234e25L, "123432123432123***********.000000" },
1293 { 1.234321234321234e26L, "123432123432123************.000000" },
1294 { 1.234321234321234e27L, "123432123432123*************.000000" },
1295 { 1.234321234321234e28L, "123432123432123**************.000000" },
1296 { 1.234321234321234e29L, "123432123432123***************.000000" },
1297 { 1.234321234321234e30L, "123432123432123****************.000000" },
1298 { 1.234321234321234e31L, "123432123432123*****************.000000" },
1299 { 1.234321234321234e32L, "123432123432123******************.000000" },
1300 { 1.234321234321234e33L, "123432123432123*******************.000000" },
1301 { 1.234321234321234e34L, "123432123432123********************.000000" },
1302 { 1.234321234321234e35L, "123432123432123*********************.000000" },
1303 { 1.234321234321234e36L, "123432123432123**********************.000000" }
1306 for (k = 0; k < SIZEOF (data); k++)
1310 my_asprintf (&result, "%Lf", data[k].value);
1311 ASSERT (result != NULL);
1312 ASSERT (strmatch (data[k].string, result));
1313 ASSERT (retval == strlen (result));
1318 { /* A negative number. */
1321 my_asprintf (&result, "%Lf %d", -0.03125L, 33, 44, 55);
1322 ASSERT (result != NULL);
1323 ASSERT (strcmp (result, "-0.031250 33") == 0);
1324 ASSERT (retval == strlen (result));
1328 { /* Positive zero. */
1331 my_asprintf (&result, "%Lf %d", 0.0L, 33, 44, 55);
1332 ASSERT (result != NULL);
1333 ASSERT (strcmp (result, "0.000000 33") == 0);
1334 ASSERT (retval == strlen (result));
1338 { /* Negative zero. */
1341 my_asprintf (&result, "%Lf %d", minus_zerol, 33, 44, 55);
1342 ASSERT (result != NULL);
1343 if (have_minus_zero ())
1344 ASSERT (strcmp (result, "-0.000000 33") == 0);
1345 ASSERT (retval == strlen (result));
1349 { /* Positive infinity. */
1352 my_asprintf (&result, "%Lf %d", 1.0L / 0.0L, 33, 44, 55);
1353 ASSERT (result != NULL);
1354 ASSERT (strcmp (result, "inf 33") == 0
1355 || strcmp (result, "infinity 33") == 0);
1356 ASSERT (retval == strlen (result));
1360 { /* Negative infinity. */
1363 my_asprintf (&result, "%Lf %d", -1.0L / 0.0L, 33, 44, 55);
1364 ASSERT (result != NULL);
1365 ASSERT (strcmp (result, "-inf 33") == 0
1366 || strcmp (result, "-infinity 33") == 0);
1367 ASSERT (retval == strlen (result));
1374 my_asprintf (&result, "%Lf %d", NaNl (), 33, 44, 55);
1375 ASSERT (result != NULL);
1376 ASSERT (strlen (result) >= 3 + 3
1377 && strisnan (result, 0, strlen (result) - 3, 0)
1378 && strcmp (result + strlen (result) - 3, " 33") == 0);
1379 ASSERT (retval == strlen (result));
1382 #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_))
1384 static union { unsigned int word[4]; long double value; } x =
1385 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
1388 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1389 ASSERT (result != NULL);
1390 ASSERT (strlen (result) >= 3 + 3
1391 && strisnan (result, 0, strlen (result) - 3, 0)
1392 && strcmp (result + strlen (result) - 3, " 33") == 0);
1393 ASSERT (retval == strlen (result));
1397 /* Signalling NaN. */
1398 static union { unsigned int word[4]; long double value; } x =
1399 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
1402 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1403 ASSERT (result != NULL);
1404 ASSERT (strlen (result) >= 3 + 3
1405 && strisnan (result, 0, strlen (result) - 3, 0)
1406 && strcmp (result + strlen (result) - 3, " 33") == 0);
1407 ASSERT (retval == strlen (result));
1410 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
1411 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
1412 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
1413 Application Architecture.
1414 Table 5-2 "Floating-Point Register Encodings"
1415 Figure 5-6 "Memory to Floating-Point Register Data Translation"
1418 static union { unsigned int word[4]; long double value; } x =
1419 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
1422 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1423 ASSERT (result != NULL);
1424 ASSERT (strlen (result) >= 3 + 3
1425 && strisnan (result, 0, strlen (result) - 3, 0)
1426 && strcmp (result + strlen (result) - 3, " 33") == 0);
1427 ASSERT (retval == strlen (result));
1430 { /* Pseudo-Infinity. */
1431 static union { unsigned int word[4]; long double value; } x =
1432 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
1435 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1436 ASSERT (result != NULL);
1437 ASSERT (strlen (result) >= 3 + 3
1438 && strisnan (result, 0, strlen (result) - 3, 0)
1439 && strcmp (result + strlen (result) - 3, " 33") == 0);
1440 ASSERT (retval == strlen (result));
1443 { /* Pseudo-Zero. */
1444 static union { unsigned int word[4]; long double value; } x =
1445 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
1448 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1449 ASSERT (result != NULL);
1450 ASSERT (strlen (result) >= 3 + 3
1451 && strisnan (result, 0, strlen (result) - 3, 0)
1452 && strcmp (result + strlen (result) - 3, " 33") == 0);
1453 ASSERT (retval == strlen (result));
1456 { /* Unnormalized number. */
1457 static union { unsigned int word[4]; long double value; } x =
1458 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
1461 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1462 ASSERT (result != NULL);
1463 ASSERT (strlen (result) >= 3 + 3
1464 && strisnan (result, 0, strlen (result) - 3, 0)
1465 && strcmp (result + strlen (result) - 3, " 33") == 0);
1466 ASSERT (retval == strlen (result));
1469 { /* Pseudo-Denormal. */
1470 static union { unsigned int word[4]; long double value; } x =
1471 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
1474 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1475 ASSERT (result != NULL);
1476 ASSERT (strlen (result) >= 3 + 3
1477 && strisnan (result, 0, strlen (result) - 3, 0)
1478 && strcmp (result + strlen (result) - 3, " 33") == 0);
1479 ASSERT (retval == strlen (result));
1487 my_asprintf (&result, "%10Lf %d", 1.75L, 33, 44, 55);
1488 ASSERT (result != NULL);
1489 ASSERT (strcmp (result, " 1.750000 33") == 0);
1490 ASSERT (retval == strlen (result));
1497 my_asprintf (&result, "%-10Lf %d", 1.75L, 33, 44, 55);
1498 ASSERT (result != NULL);
1499 ASSERT (strcmp (result, "1.750000 33") == 0);
1500 ASSERT (retval == strlen (result));
1504 { /* FLAG_SHOWSIGN. */
1507 my_asprintf (&result, "%+Lf %d", 1.75L, 33, 44, 55);
1508 ASSERT (result != NULL);
1509 ASSERT (strcmp (result, "+1.750000 33") == 0);
1510 ASSERT (retval == strlen (result));
1517 my_asprintf (&result, "% Lf %d", 1.75L, 33, 44, 55);
1518 ASSERT (result != NULL);
1519 ASSERT (strcmp (result, " 1.750000 33") == 0);
1520 ASSERT (retval == strlen (result));
1527 my_asprintf (&result, "%#Lf %d", 1.75L, 33, 44, 55);
1528 ASSERT (result != NULL);
1529 ASSERT (strcmp (result, "1.750000 33") == 0);
1530 ASSERT (retval == strlen (result));
1537 my_asprintf (&result, "%#.Lf %d", 1.75L, 33, 44, 55);
1538 ASSERT (result != NULL);
1539 ASSERT (strcmp (result, "2. 33") == 0);
1540 ASSERT (retval == strlen (result));
1544 { /* FLAG_ZERO with finite number. */
1547 my_asprintf (&result, "%015Lf %d", 1234.0L, 33, 44, 55);
1548 ASSERT (result != NULL);
1549 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1550 ASSERT (retval == strlen (result));
1554 { /* FLAG_ZERO with infinite number. */
1557 my_asprintf (&result, "%015Lf %d", -1.0L / 0.0L, 33, 44, 55);
1558 ASSERT (result != NULL);
1559 ASSERT (strcmp (result, " -inf 33") == 0
1560 || strcmp (result, " -infinity 33") == 0);
1561 ASSERT (retval == strlen (result));
1565 { /* FLAG_ZERO with NaN. */
1568 my_asprintf (&result, "%050Lf %d", NaNl (), 33, 44, 55);
1569 ASSERT (result != NULL);
1570 ASSERT (strlen (result) == 50 + 3
1571 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1572 && strcmp (result + strlen (result) - 3, " 33") == 0);
1573 ASSERT (retval == strlen (result));
1580 my_asprintf (&result, "%.Lf %d", 1234.0L, 33, 44, 55);
1581 ASSERT (result != NULL);
1582 ASSERT (strcmp (result, "1234 33") == 0);
1583 ASSERT (retval == strlen (result));
1587 { /* Precision with no rounding. */
1590 my_asprintf (&result, "%.2Lf %d", 999.951L, 33, 44, 55);
1591 ASSERT (result != NULL);
1592 ASSERT (strcmp (result, "999.95 33") == 0);
1593 ASSERT (retval == strlen (result));
1597 { /* Precision with rounding. */
1600 my_asprintf (&result, "%.2Lf %d", 999.996L, 33, 44, 55);
1601 ASSERT (result != NULL);
1602 ASSERT (strcmp (result, "1000.00 33") == 0);
1603 ASSERT (retval == strlen (result));
1607 /* Test the support of the %F format directive. */
1609 { /* A positive number. */
1612 my_asprintf (&result, "%F %d", 12.75, 33, 44, 55);
1613 ASSERT (result != NULL);
1614 ASSERT (strcmp (result, "12.750000 33") == 0);
1615 ASSERT (retval == strlen (result));
1619 { /* A larger positive number. */
1622 my_asprintf (&result, "%F %d", 1234567.0, 33, 44, 55);
1623 ASSERT (result != NULL);
1624 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1625 ASSERT (retval == strlen (result));
1629 { /* A negative number. */
1632 my_asprintf (&result, "%F %d", -0.03125, 33, 44, 55);
1633 ASSERT (result != NULL);
1634 ASSERT (strcmp (result, "-0.031250 33") == 0);
1635 ASSERT (retval == strlen (result));
1639 { /* Positive zero. */
1642 my_asprintf (&result, "%F %d", 0.0, 33, 44, 55);
1643 ASSERT (result != NULL);
1644 ASSERT (strcmp (result, "0.000000 33") == 0);
1645 ASSERT (retval == strlen (result));
1649 { /* Negative zero. */
1652 my_asprintf (&result, "%F %d", -zerod, 33, 44, 55);
1653 ASSERT (result != NULL);
1654 if (have_minus_zero ())
1655 ASSERT (strcmp (result, "-0.000000 33") == 0);
1656 ASSERT (retval == strlen (result));
1660 { /* Positive infinity. */
1663 my_asprintf (&result, "%F %d", 1.0 / 0.0, 33, 44, 55);
1664 ASSERT (result != NULL);
1665 ASSERT (strcmp (result, "INF 33") == 0
1666 || strcmp (result, "INFINITY 33") == 0);
1667 ASSERT (retval == strlen (result));
1671 { /* Negative infinity. */
1674 my_asprintf (&result, "%F %d", -1.0 / 0.0, 33, 44, 55);
1675 ASSERT (result != NULL);
1676 ASSERT (strcmp (result, "-INF 33") == 0
1677 || strcmp (result, "-INFINITY 33") == 0);
1678 ASSERT (retval == strlen (result));
1685 my_asprintf (&result, "%F %d", NaNd (), 33, 44, 55);
1686 ASSERT (result != NULL);
1687 ASSERT (strlen (result) >= 3 + 3
1688 && strisnan (result, 0, strlen (result) - 3, 1)
1689 && strcmp (result + strlen (result) - 3, " 33") == 0);
1690 ASSERT (retval == strlen (result));
1697 my_asprintf (&result, "%015F %d", 1234.0, 33, 44, 55);
1698 ASSERT (result != NULL);
1699 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1700 ASSERT (retval == strlen (result));
1704 { /* FLAG_ZERO with infinite number. */
1707 my_asprintf (&result, "%015F %d", -1.0 / 0.0, 33, 44, 55);
1708 ASSERT (result != NULL);
1709 ASSERT (strcmp (result, " -INF 33") == 0
1710 || strcmp (result, " -INFINITY 33") == 0);
1711 ASSERT (retval == strlen (result));
1718 my_asprintf (&result, "%.F %d", 1234.0, 33, 44, 55);
1719 ASSERT (result != NULL);
1720 ASSERT (strcmp (result, "1234 33") == 0);
1721 ASSERT (retval == strlen (result));
1725 { /* Precision with no rounding. */
1728 my_asprintf (&result, "%.2F %d", 999.951, 33, 44, 55);
1729 ASSERT (result != NULL);
1730 ASSERT (strcmp (result, "999.95 33") == 0);
1731 ASSERT (retval == strlen (result));
1735 { /* Precision with rounding. */
1738 my_asprintf (&result, "%.2F %d", 999.996, 33, 44, 55);
1739 ASSERT (result != NULL);
1740 ASSERT (strcmp (result, "1000.00 33") == 0);
1741 ASSERT (retval == strlen (result));
1745 { /* A positive number. */
1748 my_asprintf (&result, "%LF %d", 12.75L, 33, 44, 55);
1749 ASSERT (result != NULL);
1750 ASSERT (strcmp (result, "12.750000 33") == 0);
1751 ASSERT (retval == strlen (result));
1755 { /* A larger positive number. */
1758 my_asprintf (&result, "%LF %d", 1234567.0L, 33, 44, 55);
1759 ASSERT (result != NULL);
1760 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1761 ASSERT (retval == strlen (result));
1765 { /* A negative number. */
1768 my_asprintf (&result, "%LF %d", -0.03125L, 33, 44, 55);
1769 ASSERT (result != NULL);
1770 ASSERT (strcmp (result, "-0.031250 33") == 0);
1771 ASSERT (retval == strlen (result));
1775 { /* Positive zero. */
1778 my_asprintf (&result, "%LF %d", 0.0L, 33, 44, 55);
1779 ASSERT (result != NULL);
1780 ASSERT (strcmp (result, "0.000000 33") == 0);
1781 ASSERT (retval == strlen (result));
1785 { /* Negative zero. */
1788 my_asprintf (&result, "%LF %d", minus_zerol, 33, 44, 55);
1789 ASSERT (result != NULL);
1790 if (have_minus_zero ())
1791 ASSERT (strcmp (result, "-0.000000 33") == 0);
1792 ASSERT (retval == strlen (result));
1796 { /* Positive infinity. */
1799 my_asprintf (&result, "%LF %d", 1.0L / 0.0L, 33, 44, 55);
1800 ASSERT (result != NULL);
1801 ASSERT (strcmp (result, "INF 33") == 0
1802 || strcmp (result, "INFINITY 33") == 0);
1803 ASSERT (retval == strlen (result));
1807 { /* Negative infinity. */
1810 my_asprintf (&result, "%LF %d", -1.0L / 0.0L, 33, 44, 55);
1811 ASSERT (result != NULL);
1812 ASSERT (strcmp (result, "-INF 33") == 0
1813 || strcmp (result, "-INFINITY 33") == 0);
1814 ASSERT (retval == strlen (result));
1821 my_asprintf (&result, "%LF %d", NaNl (), 33, 44, 55);
1822 ASSERT (result != NULL);
1823 ASSERT (strlen (result) >= 3 + 3
1824 && strisnan (result, 0, strlen (result) - 3, 1)
1825 && strcmp (result + strlen (result) - 3, " 33") == 0);
1826 ASSERT (retval == strlen (result));
1833 my_asprintf (&result, "%015LF %d", 1234.0L, 33, 44, 55);
1834 ASSERT (result != NULL);
1835 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1836 ASSERT (retval == strlen (result));
1840 { /* FLAG_ZERO with infinite number. */
1843 my_asprintf (&result, "%015LF %d", -1.0L / 0.0L, 33, 44, 55);
1844 ASSERT (result != NULL);
1845 ASSERT (strcmp (result, " -INF 33") == 0
1846 || strcmp (result, " -INFINITY 33") == 0);
1847 ASSERT (retval == strlen (result));
1854 my_asprintf (&result, "%.LF %d", 1234.0L, 33, 44, 55);
1855 ASSERT (result != NULL);
1856 ASSERT (strcmp (result, "1234 33") == 0);
1857 ASSERT (retval == strlen (result));
1861 { /* Precision with no rounding. */
1864 my_asprintf (&result, "%.2LF %d", 999.951L, 33, 44, 55);
1865 ASSERT (result != NULL);
1866 ASSERT (strcmp (result, "999.95 33") == 0);
1867 ASSERT (retval == strlen (result));
1871 { /* Precision with rounding. */
1874 my_asprintf (&result, "%.2LF %d", 999.996L, 33, 44, 55);
1875 ASSERT (result != NULL);
1876 ASSERT (strcmp (result, "1000.00 33") == 0);
1877 ASSERT (retval == strlen (result));
1881 /* Test the support of the %e format directive. */
1883 { /* A positive number. */
1886 my_asprintf (&result, "%e %d", 12.75, 33, 44, 55);
1887 ASSERT (result != NULL);
1888 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1889 || strcmp (result, "1.275000e+001 33") == 0);
1890 ASSERT (retval == strlen (result));
1894 { /* A larger positive number. */
1897 my_asprintf (&result, "%e %d", 1234567.0, 33, 44, 55);
1898 ASSERT (result != NULL);
1899 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1900 || strcmp (result, "1.234567e+006 33") == 0);
1901 ASSERT (retval == strlen (result));
1905 { /* Small and large positive numbers. */
1906 static struct { double value; const char *string; } data[] =
1908 { 1.234321234321234e-37, "1.234321e-37" },
1909 { 1.234321234321234e-36, "1.234321e-36" },
1910 { 1.234321234321234e-35, "1.234321e-35" },
1911 { 1.234321234321234e-34, "1.234321e-34" },
1912 { 1.234321234321234e-33, "1.234321e-33" },
1913 { 1.234321234321234e-32, "1.234321e-32" },
1914 { 1.234321234321234e-31, "1.234321e-31" },
1915 { 1.234321234321234e-30, "1.234321e-30" },
1916 { 1.234321234321234e-29, "1.234321e-29" },
1917 { 1.234321234321234e-28, "1.234321e-28" },
1918 { 1.234321234321234e-27, "1.234321e-27" },
1919 { 1.234321234321234e-26, "1.234321e-26" },
1920 { 1.234321234321234e-25, "1.234321e-25" },
1921 { 1.234321234321234e-24, "1.234321e-24" },
1922 { 1.234321234321234e-23, "1.234321e-23" },
1923 { 1.234321234321234e-22, "1.234321e-22" },
1924 { 1.234321234321234e-21, "1.234321e-21" },
1925 { 1.234321234321234e-20, "1.234321e-20" },
1926 { 1.234321234321234e-19, "1.234321e-19" },
1927 { 1.234321234321234e-18, "1.234321e-18" },
1928 { 1.234321234321234e-17, "1.234321e-17" },
1929 { 1.234321234321234e-16, "1.234321e-16" },
1930 { 1.234321234321234e-15, "1.234321e-15" },
1931 { 1.234321234321234e-14, "1.234321e-14" },
1932 { 1.234321234321234e-13, "1.234321e-13" },
1933 { 1.234321234321234e-12, "1.234321e-12" },
1934 { 1.234321234321234e-11, "1.234321e-11" },
1935 { 1.234321234321234e-10, "1.234321e-10" },
1936 { 1.234321234321234e-9, "1.234321e-09" },
1937 { 1.234321234321234e-8, "1.234321e-08" },
1938 { 1.234321234321234e-7, "1.234321e-07" },
1939 { 1.234321234321234e-6, "1.234321e-06" },
1940 { 1.234321234321234e-5, "1.234321e-05" },
1941 { 1.234321234321234e-4, "1.234321e-04" },
1942 { 1.234321234321234e-3, "1.234321e-03" },
1943 { 1.234321234321234e-2, "1.234321e-02" },
1944 { 1.234321234321234e-1, "1.234321e-01" },
1945 { 1.234321234321234, "1.234321e+00" },
1946 { 1.234321234321234e1, "1.234321e+01" },
1947 { 1.234321234321234e2, "1.234321e+02" },
1948 { 1.234321234321234e3, "1.234321e+03" },
1949 { 1.234321234321234e4, "1.234321e+04" },
1950 { 1.234321234321234e5, "1.234321e+05" },
1951 { 1.234321234321234e6, "1.234321e+06" },
1952 { 1.234321234321234e7, "1.234321e+07" },
1953 { 1.234321234321234e8, "1.234321e+08" },
1954 { 1.234321234321234e9, "1.234321e+09" },
1955 { 1.234321234321234e10, "1.234321e+10" },
1956 { 1.234321234321234e11, "1.234321e+11" },
1957 { 1.234321234321234e12, "1.234321e+12" },
1958 { 1.234321234321234e13, "1.234321e+13" },
1959 { 1.234321234321234e14, "1.234321e+14" },
1960 { 1.234321234321234e15, "1.234321e+15" },
1961 { 1.234321234321234e16, "1.234321e+16" },
1962 { 1.234321234321234e17, "1.234321e+17" },
1963 { 1.234321234321234e18, "1.234321e+18" },
1964 { 1.234321234321234e19, "1.234321e+19" },
1965 { 1.234321234321234e20, "1.234321e+20" },
1966 { 1.234321234321234e21, "1.234321e+21" },
1967 { 1.234321234321234e22, "1.234321e+22" },
1968 { 1.234321234321234e23, "1.234321e+23" },
1969 { 1.234321234321234e24, "1.234321e+24" },
1970 { 1.234321234321234e25, "1.234321e+25" },
1971 { 1.234321234321234e26, "1.234321e+26" },
1972 { 1.234321234321234e27, "1.234321e+27" },
1973 { 1.234321234321234e28, "1.234321e+28" },
1974 { 1.234321234321234e29, "1.234321e+29" },
1975 { 1.234321234321234e30, "1.234321e+30" },
1976 { 1.234321234321234e31, "1.234321e+31" },
1977 { 1.234321234321234e32, "1.234321e+32" },
1978 { 1.234321234321234e33, "1.234321e+33" },
1979 { 1.234321234321234e34, "1.234321e+34" },
1980 { 1.234321234321234e35, "1.234321e+35" },
1981 { 1.234321234321234e36, "1.234321e+36" }
1984 for (k = 0; k < SIZEOF (data); k++)
1988 my_asprintf (&result, "%e", data[k].value);
1989 const char *expected = data[k].string;
1990 ASSERT (result != NULL);
1991 ASSERT (strcmp (result, expected) == 0
1992 /* Some implementations produce exponents with 3 digits. */
1993 || (strlen (result) == strlen (expected) + 1
1994 && memcmp (result, expected, strlen (expected) - 2) == 0
1995 && result[strlen (expected) - 2] == '0'
1996 && strcmp (result + strlen (expected) - 1,
1997 expected + strlen (expected) - 2)
1999 ASSERT (retval == strlen (result));
2004 { /* A negative number. */
2007 my_asprintf (&result, "%e %d", -0.03125, 33, 44, 55);
2008 ASSERT (result != NULL);
2009 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
2010 || strcmp (result, "-3.125000e-002 33") == 0);
2011 ASSERT (retval == strlen (result));
2015 { /* Positive zero. */
2018 my_asprintf (&result, "%e %d", 0.0, 33, 44, 55);
2019 ASSERT (result != NULL);
2020 ASSERT (strcmp (result, "0.000000e+00 33") == 0
2021 || strcmp (result, "0.000000e+000 33") == 0);
2022 ASSERT (retval == strlen (result));
2026 { /* Negative zero. */
2029 my_asprintf (&result, "%e %d", -zerod, 33, 44, 55);
2030 ASSERT (result != NULL);
2031 if (have_minus_zero ())
2032 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
2033 || strcmp (result, "-0.000000e+000 33") == 0);
2034 ASSERT (retval == strlen (result));
2038 { /* Positive infinity. */
2041 my_asprintf (&result, "%e %d", 1.0 / 0.0, 33, 44, 55);
2042 ASSERT (result != NULL);
2043 ASSERT (strcmp (result, "inf 33") == 0
2044 || strcmp (result, "infinity 33") == 0);
2045 ASSERT (retval == strlen (result));
2049 { /* Negative infinity. */
2052 my_asprintf (&result, "%e %d", -1.0 / 0.0, 33, 44, 55);
2053 ASSERT (result != NULL);
2054 ASSERT (strcmp (result, "-inf 33") == 0
2055 || strcmp (result, "-infinity 33") == 0);
2056 ASSERT (retval == strlen (result));
2063 my_asprintf (&result, "%e %d", NaNd (), 33, 44, 55);
2064 ASSERT (result != NULL);
2065 ASSERT (strlen (result) >= 3 + 3
2066 && strisnan (result, 0, strlen (result) - 3, 0)
2067 && strcmp (result + strlen (result) - 3, " 33") == 0);
2068 ASSERT (retval == strlen (result));
2075 my_asprintf (&result, "%15e %d", 1.75, 33, 44, 55);
2076 ASSERT (result != NULL);
2077 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2078 || strcmp (result, " 1.750000e+000 33") == 0);
2079 ASSERT (retval == strlen (result));
2086 my_asprintf (&result, "%-15e %d", 1.75, 33, 44, 55);
2087 ASSERT (result != NULL);
2088 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2089 || strcmp (result, "1.750000e+000 33") == 0);
2090 ASSERT (retval == strlen (result));
2094 { /* FLAG_SHOWSIGN. */
2097 my_asprintf (&result, "%+e %d", 1.75, 33, 44, 55);
2098 ASSERT (result != NULL);
2099 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
2100 || strcmp (result, "+1.750000e+000 33") == 0);
2101 ASSERT (retval == strlen (result));
2108 my_asprintf (&result, "% e %d", 1.75, 33, 44, 55);
2109 ASSERT (result != NULL);
2110 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2111 || strcmp (result, " 1.750000e+000 33") == 0);
2112 ASSERT (retval == strlen (result));
2119 my_asprintf (&result, "%#e %d", 1.75, 33, 44, 55);
2120 ASSERT (result != NULL);
2121 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2122 || strcmp (result, "1.750000e+000 33") == 0);
2123 ASSERT (retval == strlen (result));
2130 my_asprintf (&result, "%#.e %d", 1.75, 33, 44, 55);
2131 ASSERT (result != NULL);
2132 ASSERT (strcmp (result, "2.e+00 33") == 0
2133 || strcmp (result, "2.e+000 33") == 0);
2134 ASSERT (retval == strlen (result));
2141 my_asprintf (&result, "%#.e %d", 9.75, 33, 44, 55);
2142 ASSERT (result != NULL);
2143 ASSERT (strcmp (result, "1.e+01 33") == 0
2144 || strcmp (result, "1.e+001 33") == 0);
2145 ASSERT (retval == strlen (result));
2149 { /* FLAG_ZERO with finite number. */
2152 my_asprintf (&result, "%015e %d", 1234.0, 33, 44, 55);
2153 ASSERT (result != NULL);
2154 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
2155 || strcmp (result, "001.234000e+003 33") == 0);
2156 ASSERT (retval == strlen (result));
2160 { /* FLAG_ZERO with infinite number. */
2163 my_asprintf (&result, "%015e %d", -1.0 / 0.0, 33, 44, 55);
2164 ASSERT (result != NULL);
2165 ASSERT (strcmp (result, " -inf 33") == 0
2166 || strcmp (result, " -infinity 33") == 0);
2167 ASSERT (retval == strlen (result));
2171 { /* FLAG_ZERO with NaN. */
2174 my_asprintf (&result, "%050e %d", NaNd (), 33, 44, 55);
2175 ASSERT (result != NULL);
2176 ASSERT (strlen (result) == 50 + 3
2177 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2178 && strcmp (result + strlen (result) - 3, " 33") == 0);
2179 ASSERT (retval == strlen (result));
2186 my_asprintf (&result, "%.e %d", 1234.0, 33, 44, 55);
2187 ASSERT (result != NULL);
2188 ASSERT (strcmp (result, "1e+03 33") == 0
2189 || strcmp (result, "1e+003 33") == 0);
2190 ASSERT (retval == strlen (result));
2194 { /* Precision with no rounding. */
2197 my_asprintf (&result, "%.4e %d", 999.951, 33, 44, 55);
2198 ASSERT (result != NULL);
2199 ASSERT (strcmp (result, "9.9995e+02 33") == 0
2200 || strcmp (result, "9.9995e+002 33") == 0);
2201 ASSERT (retval == strlen (result));
2205 { /* Precision with rounding. */
2208 my_asprintf (&result, "%.4e %d", 999.996, 33, 44, 55);
2209 ASSERT (result != NULL);
2210 ASSERT (strcmp (result, "1.0000e+03 33") == 0
2211 || strcmp (result, "1.0000e+003 33") == 0);
2212 ASSERT (retval == strlen (result));
2216 { /* A positive number. */
2219 my_asprintf (&result, "%Le %d", 12.75L, 33, 44, 55);
2220 ASSERT (result != NULL);
2221 ASSERT (strcmp (result, "1.275000e+01 33") == 0
2222 || strcmp (result, "1.275000e+001 33") == 0);
2223 ASSERT (retval == strlen (result));
2227 { /* A larger positive number. */
2230 my_asprintf (&result, "%Le %d", 1234567.0L, 33, 44, 55);
2231 ASSERT (result != NULL);
2232 ASSERT (strcmp (result, "1.234567e+06 33") == 0
2233 || strcmp (result, "1.234567e+006 33") == 0);
2234 ASSERT (retval == strlen (result));
2238 { /* Small and large positive numbers. */
2239 static struct { long double value; const char *string; } data[] =
2241 { 1.234321234321234e-37L, "1.234321e-37" },
2242 { 1.234321234321234e-36L, "1.234321e-36" },
2243 { 1.234321234321234e-35L, "1.234321e-35" },
2244 { 1.234321234321234e-34L, "1.234321e-34" },
2245 { 1.234321234321234e-33L, "1.234321e-33" },
2246 { 1.234321234321234e-32L, "1.234321e-32" },
2247 { 1.234321234321234e-31L, "1.234321e-31" },
2248 { 1.234321234321234e-30L, "1.234321e-30" },
2249 { 1.234321234321234e-29L, "1.234321e-29" },
2250 { 1.234321234321234e-28L, "1.234321e-28" },
2251 { 1.234321234321234e-27L, "1.234321e-27" },
2252 { 1.234321234321234e-26L, "1.234321e-26" },
2253 { 1.234321234321234e-25L, "1.234321e-25" },
2254 { 1.234321234321234e-24L, "1.234321e-24" },
2255 { 1.234321234321234e-23L, "1.234321e-23" },
2256 { 1.234321234321234e-22L, "1.234321e-22" },
2257 { 1.234321234321234e-21L, "1.234321e-21" },
2258 { 1.234321234321234e-20L, "1.234321e-20" },
2259 { 1.234321234321234e-19L, "1.234321e-19" },
2260 { 1.234321234321234e-18L, "1.234321e-18" },
2261 { 1.234321234321234e-17L, "1.234321e-17" },
2262 { 1.234321234321234e-16L, "1.234321e-16" },
2263 { 1.234321234321234e-15L, "1.234321e-15" },
2264 { 1.234321234321234e-14L, "1.234321e-14" },
2265 { 1.234321234321234e-13L, "1.234321e-13" },
2266 { 1.234321234321234e-12L, "1.234321e-12" },
2267 { 1.234321234321234e-11L, "1.234321e-11" },
2268 { 1.234321234321234e-10L, "1.234321e-10" },
2269 { 1.234321234321234e-9L, "1.234321e-09" },
2270 { 1.234321234321234e-8L, "1.234321e-08" },
2271 { 1.234321234321234e-7L, "1.234321e-07" },
2272 { 1.234321234321234e-6L, "1.234321e-06" },
2273 { 1.234321234321234e-5L, "1.234321e-05" },
2274 { 1.234321234321234e-4L, "1.234321e-04" },
2275 { 1.234321234321234e-3L, "1.234321e-03" },
2276 { 1.234321234321234e-2L, "1.234321e-02" },
2277 { 1.234321234321234e-1L, "1.234321e-01" },
2278 { 1.234321234321234L, "1.234321e+00" },
2279 { 1.234321234321234e1L, "1.234321e+01" },
2280 { 1.234321234321234e2L, "1.234321e+02" },
2281 { 1.234321234321234e3L, "1.234321e+03" },
2282 { 1.234321234321234e4L, "1.234321e+04" },
2283 { 1.234321234321234e5L, "1.234321e+05" },
2284 { 1.234321234321234e6L, "1.234321e+06" },
2285 { 1.234321234321234e7L, "1.234321e+07" },
2286 { 1.234321234321234e8L, "1.234321e+08" },
2287 { 1.234321234321234e9L, "1.234321e+09" },
2288 { 1.234321234321234e10L, "1.234321e+10" },
2289 { 1.234321234321234e11L, "1.234321e+11" },
2290 { 1.234321234321234e12L, "1.234321e+12" },
2291 { 1.234321234321234e13L, "1.234321e+13" },
2292 { 1.234321234321234e14L, "1.234321e+14" },
2293 { 1.234321234321234e15L, "1.234321e+15" },
2294 { 1.234321234321234e16L, "1.234321e+16" },
2295 { 1.234321234321234e17L, "1.234321e+17" },
2296 { 1.234321234321234e18L, "1.234321e+18" },
2297 { 1.234321234321234e19L, "1.234321e+19" },
2298 { 1.234321234321234e20L, "1.234321e+20" },
2299 { 1.234321234321234e21L, "1.234321e+21" },
2300 { 1.234321234321234e22L, "1.234321e+22" },
2301 { 1.234321234321234e23L, "1.234321e+23" },
2302 { 1.234321234321234e24L, "1.234321e+24" },
2303 { 1.234321234321234e25L, "1.234321e+25" },
2304 { 1.234321234321234e26L, "1.234321e+26" },
2305 { 1.234321234321234e27L, "1.234321e+27" },
2306 { 1.234321234321234e28L, "1.234321e+28" },
2307 { 1.234321234321234e29L, "1.234321e+29" },
2308 { 1.234321234321234e30L, "1.234321e+30" },
2309 { 1.234321234321234e31L, "1.234321e+31" },
2310 { 1.234321234321234e32L, "1.234321e+32" },
2311 { 1.234321234321234e33L, "1.234321e+33" },
2312 { 1.234321234321234e34L, "1.234321e+34" },
2313 { 1.234321234321234e35L, "1.234321e+35" },
2314 { 1.234321234321234e36L, "1.234321e+36" }
2317 for (k = 0; k < SIZEOF (data); k++)
2321 my_asprintf (&result, "%Le", data[k].value);
2322 const char *expected = data[k].string;
2323 ASSERT (result != NULL);
2324 ASSERT (strcmp (result, expected) == 0
2325 /* Some implementations produce exponents with 3 digits. */
2326 || (strlen (result) == strlen (expected) + 1
2327 && memcmp (result, expected, strlen (expected) - 2) == 0
2328 && result[strlen (expected) - 2] == '0'
2329 && strcmp (result + strlen (expected) - 1,
2330 expected + strlen (expected) - 2)
2332 ASSERT (retval == strlen (result));
2337 { /* A negative number. */
2340 my_asprintf (&result, "%Le %d", -0.03125L, 33, 44, 55);
2341 ASSERT (result != NULL);
2342 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
2343 || strcmp (result, "-3.125000e-002 33") == 0);
2344 ASSERT (retval == strlen (result));
2348 { /* Positive zero. */
2351 my_asprintf (&result, "%Le %d", 0.0L, 33, 44, 55);
2352 ASSERT (result != NULL);
2353 ASSERT (strcmp (result, "0.000000e+00 33") == 0
2354 || strcmp (result, "0.000000e+000 33") == 0);
2355 ASSERT (retval == strlen (result));
2359 { /* Negative zero. */
2362 my_asprintf (&result, "%Le %d", minus_zerol, 33, 44, 55);
2363 ASSERT (result != NULL);
2364 if (have_minus_zero ())
2365 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
2366 || strcmp (result, "-0.000000e+000 33") == 0);
2367 ASSERT (retval == strlen (result));
2371 { /* Positive infinity. */
2374 my_asprintf (&result, "%Le %d", 1.0L / 0.0L, 33, 44, 55);
2375 ASSERT (result != NULL);
2376 ASSERT (strcmp (result, "inf 33") == 0
2377 || strcmp (result, "infinity 33") == 0);
2378 ASSERT (retval == strlen (result));
2382 { /* Negative infinity. */
2385 my_asprintf (&result, "%Le %d", -1.0L / 0.0L, 33, 44, 55);
2386 ASSERT (result != NULL);
2387 ASSERT (strcmp (result, "-inf 33") == 0
2388 || strcmp (result, "-infinity 33") == 0);
2389 ASSERT (retval == strlen (result));
2396 my_asprintf (&result, "%Le %d", NaNl (), 33, 44, 55);
2397 ASSERT (result != NULL);
2398 ASSERT (strlen (result) >= 3 + 3
2399 && strisnan (result, 0, strlen (result) - 3, 0)
2400 && strcmp (result + strlen (result) - 3, " 33") == 0);
2401 ASSERT (retval == strlen (result));
2404 #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_))
2406 static union { unsigned int word[4]; long double value; } x =
2407 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2410 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2411 ASSERT (result != NULL);
2412 ASSERT (strlen (result) >= 3 + 3
2413 && strisnan (result, 0, strlen (result) - 3, 0)
2414 && strcmp (result + strlen (result) - 3, " 33") == 0);
2415 ASSERT (retval == strlen (result));
2419 /* Signalling NaN. */
2420 static union { unsigned int word[4]; long double value; } x =
2421 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2424 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2425 ASSERT (result != NULL);
2426 ASSERT (strlen (result) >= 3 + 3
2427 && strisnan (result, 0, strlen (result) - 3, 0)
2428 && strcmp (result + strlen (result) - 3, " 33") == 0);
2429 ASSERT (retval == strlen (result));
2432 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
2433 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
2434 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
2435 Application Architecture.
2436 Table 5-2 "Floating-Point Register Encodings"
2437 Figure 5-6 "Memory to Floating-Point Register Data Translation"
2440 static union { unsigned int word[4]; long double value; } x =
2441 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2444 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2445 ASSERT (result != NULL);
2446 ASSERT (strlen (result) >= 3 + 3
2447 && strisnan (result, 0, strlen (result) - 3, 0)
2448 && strcmp (result + strlen (result) - 3, " 33") == 0);
2449 ASSERT (retval == strlen (result));
2452 { /* Pseudo-Infinity. */
2453 static union { unsigned int word[4]; long double value; } x =
2454 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2457 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2458 ASSERT (result != NULL);
2459 ASSERT (strlen (result) >= 3 + 3
2460 && strisnan (result, 0, strlen (result) - 3, 0)
2461 && strcmp (result + strlen (result) - 3, " 33") == 0);
2462 ASSERT (retval == strlen (result));
2465 { /* Pseudo-Zero. */
2466 static union { unsigned int word[4]; long double value; } x =
2467 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2470 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2471 ASSERT (result != NULL);
2472 ASSERT (strlen (result) >= 3 + 3
2473 && strisnan (result, 0, strlen (result) - 3, 0)
2474 && strcmp (result + strlen (result) - 3, " 33") == 0);
2475 ASSERT (retval == strlen (result));
2478 { /* Unnormalized number. */
2479 static union { unsigned int word[4]; long double value; } x =
2480 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2483 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2484 ASSERT (result != NULL);
2485 ASSERT (strlen (result) >= 3 + 3
2486 && strisnan (result, 0, strlen (result) - 3, 0)
2487 && strcmp (result + strlen (result) - 3, " 33") == 0);
2488 ASSERT (retval == strlen (result));
2491 { /* Pseudo-Denormal. */
2492 static union { unsigned int word[4]; long double value; } x =
2493 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2496 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2497 ASSERT (result != NULL);
2498 ASSERT (strlen (result) >= 3 + 3
2499 && strisnan (result, 0, strlen (result) - 3, 0)
2500 && strcmp (result + strlen (result) - 3, " 33") == 0);
2501 ASSERT (retval == strlen (result));
2509 my_asprintf (&result, "%15Le %d", 1.75L, 33, 44, 55);
2510 ASSERT (result != NULL);
2511 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2512 || strcmp (result, " 1.750000e+000 33") == 0);
2513 ASSERT (retval == strlen (result));
2520 my_asprintf (&result, "%-15Le %d", 1.75L, 33, 44, 55);
2521 ASSERT (result != NULL);
2522 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2523 || strcmp (result, "1.750000e+000 33") == 0);
2524 ASSERT (retval == strlen (result));
2528 { /* FLAG_SHOWSIGN. */
2531 my_asprintf (&result, "%+Le %d", 1.75L, 33, 44, 55);
2532 ASSERT (result != NULL);
2533 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
2534 || strcmp (result, "+1.750000e+000 33") == 0);
2535 ASSERT (retval == strlen (result));
2542 my_asprintf (&result, "% Le %d", 1.75L, 33, 44, 55);
2543 ASSERT (result != NULL);
2544 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2545 || strcmp (result, " 1.750000e+000 33") == 0);
2546 ASSERT (retval == strlen (result));
2553 my_asprintf (&result, "%#Le %d", 1.75L, 33, 44, 55);
2554 ASSERT (result != NULL);
2555 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2556 || strcmp (result, "1.750000e+000 33") == 0);
2557 ASSERT (retval == strlen (result));
2564 my_asprintf (&result, "%#.Le %d", 1.75L, 33, 44, 55);
2565 ASSERT (result != NULL);
2566 ASSERT (strcmp (result, "2.e+00 33") == 0
2567 || strcmp (result, "2.e+000 33") == 0);
2568 ASSERT (retval == strlen (result));
2575 my_asprintf (&result, "%#.Le %d", 9.75L, 33, 44, 55);
2576 ASSERT (result != NULL);
2577 ASSERT (strcmp (result, "1.e+01 33") == 0
2578 || strcmp (result, "1.e+001 33") == 0);
2579 ASSERT (retval == strlen (result));
2583 { /* FLAG_ZERO with finite number. */
2586 my_asprintf (&result, "%015Le %d", 1234.0L, 33, 44, 55);
2587 ASSERT (result != NULL);
2588 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
2589 || strcmp (result, "001.234000e+003 33") == 0);
2590 ASSERT (retval == strlen (result));
2594 { /* FLAG_ZERO with infinite number. */
2597 my_asprintf (&result, "%015Le %d", -1.0L / 0.0L, 33, 44, 55);
2598 ASSERT (result != NULL);
2599 ASSERT (strcmp (result, " -inf 33") == 0
2600 || strcmp (result, " -infinity 33") == 0);
2601 ASSERT (retval == strlen (result));
2605 { /* FLAG_ZERO with NaN. */
2608 my_asprintf (&result, "%050Le %d", NaNl (), 33, 44, 55);
2609 ASSERT (result != NULL);
2610 ASSERT (strlen (result) == 50 + 3
2611 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2612 && strcmp (result + strlen (result) - 3, " 33") == 0);
2613 ASSERT (retval == strlen (result));
2620 my_asprintf (&result, "%.Le %d", 1234.0L, 33, 44, 55);
2621 ASSERT (result != NULL);
2622 ASSERT (strcmp (result, "1e+03 33") == 0
2623 || strcmp (result, "1e+003 33") == 0);
2624 ASSERT (retval == strlen (result));
2628 { /* Precision with no rounding. */
2631 my_asprintf (&result, "%.4Le %d", 999.951L, 33, 44, 55);
2632 ASSERT (result != NULL);
2633 ASSERT (strcmp (result, "9.9995e+02 33") == 0
2634 || strcmp (result, "9.9995e+002 33") == 0);
2635 ASSERT (retval == strlen (result));
2639 { /* Precision with rounding. */
2642 my_asprintf (&result, "%.4Le %d", 999.996L, 33, 44, 55);
2643 ASSERT (result != NULL);
2644 ASSERT (strcmp (result, "1.0000e+03 33") == 0
2645 || strcmp (result, "1.0000e+003 33") == 0);
2646 ASSERT (retval == strlen (result));
2650 /* Test the support of the %g format directive. */
2652 { /* A positive number. */
2655 my_asprintf (&result, "%g %d", 12.75, 33, 44, 55);
2656 ASSERT (result != NULL);
2657 ASSERT (strcmp (result, "12.75 33") == 0);
2658 ASSERT (retval == strlen (result));
2662 { /* A larger positive number. */
2665 my_asprintf (&result, "%g %d", 1234567.0, 33, 44, 55);
2666 ASSERT (result != NULL);
2667 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2668 || strcmp (result, "1.23457e+006 33") == 0);
2669 ASSERT (retval == strlen (result));
2673 { /* Small and large positive numbers. */
2674 static struct { double value; const char *string; } data[] =
2676 { 1.234321234321234e-37, "1.23432e-37" },
2677 { 1.234321234321234e-36, "1.23432e-36" },
2678 { 1.234321234321234e-35, "1.23432e-35" },
2679 { 1.234321234321234e-34, "1.23432e-34" },
2680 { 1.234321234321234e-33, "1.23432e-33" },
2681 { 1.234321234321234e-32, "1.23432e-32" },
2682 { 1.234321234321234e-31, "1.23432e-31" },
2683 { 1.234321234321234e-30, "1.23432e-30" },
2684 { 1.234321234321234e-29, "1.23432e-29" },
2685 { 1.234321234321234e-28, "1.23432e-28" },
2686 { 1.234321234321234e-27, "1.23432e-27" },
2687 { 1.234321234321234e-26, "1.23432e-26" },
2688 { 1.234321234321234e-25, "1.23432e-25" },
2689 { 1.234321234321234e-24, "1.23432e-24" },
2690 { 1.234321234321234e-23, "1.23432e-23" },
2691 { 1.234321234321234e-22, "1.23432e-22" },
2692 { 1.234321234321234e-21, "1.23432e-21" },
2693 { 1.234321234321234e-20, "1.23432e-20" },
2694 { 1.234321234321234e-19, "1.23432e-19" },
2695 { 1.234321234321234e-18, "1.23432e-18" },
2696 { 1.234321234321234e-17, "1.23432e-17" },
2697 { 1.234321234321234e-16, "1.23432e-16" },
2698 { 1.234321234321234e-15, "1.23432e-15" },
2699 { 1.234321234321234e-14, "1.23432e-14" },
2700 { 1.234321234321234e-13, "1.23432e-13" },
2701 { 1.234321234321234e-12, "1.23432e-12" },
2702 { 1.234321234321234e-11, "1.23432e-11" },
2703 { 1.234321234321234e-10, "1.23432e-10" },
2704 { 1.234321234321234e-9, "1.23432e-09" },
2705 { 1.234321234321234e-8, "1.23432e-08" },
2706 { 1.234321234321234e-7, "1.23432e-07" },
2707 { 1.234321234321234e-6, "1.23432e-06" },
2708 { 1.234321234321234e-5, "1.23432e-05" },
2709 { 1.234321234321234e-4, "0.000123432" },
2710 { 1.234321234321234e-3, "0.00123432" },
2711 { 1.234321234321234e-2, "0.0123432" },
2712 { 1.234321234321234e-1, "0.123432" },
2713 { 1.234321234321234, "1.23432" },
2714 { 1.234321234321234e1, "12.3432" },
2715 { 1.234321234321234e2, "123.432" },
2716 { 1.234321234321234e3, "1234.32" },
2717 { 1.234321234321234e4, "12343.2" },
2718 { 1.234321234321234e5, "123432" },
2719 { 1.234321234321234e6, "1.23432e+06" },
2720 { 1.234321234321234e7, "1.23432e+07" },
2721 { 1.234321234321234e8, "1.23432e+08" },
2722 { 1.234321234321234e9, "1.23432e+09" },
2723 { 1.234321234321234e10, "1.23432e+10" },
2724 { 1.234321234321234e11, "1.23432e+11" },
2725 { 1.234321234321234e12, "1.23432e+12" },
2726 { 1.234321234321234e13, "1.23432e+13" },
2727 { 1.234321234321234e14, "1.23432e+14" },
2728 { 1.234321234321234e15, "1.23432e+15" },
2729 { 1.234321234321234e16, "1.23432e+16" },
2730 { 1.234321234321234e17, "1.23432e+17" },
2731 { 1.234321234321234e18, "1.23432e+18" },
2732 { 1.234321234321234e19, "1.23432e+19" },
2733 { 1.234321234321234e20, "1.23432e+20" },
2734 { 1.234321234321234e21, "1.23432e+21" },
2735 { 1.234321234321234e22, "1.23432e+22" },
2736 { 1.234321234321234e23, "1.23432e+23" },
2737 { 1.234321234321234e24, "1.23432e+24" },
2738 { 1.234321234321234e25, "1.23432e+25" },
2739 { 1.234321234321234e26, "1.23432e+26" },
2740 { 1.234321234321234e27, "1.23432e+27" },
2741 { 1.234321234321234e28, "1.23432e+28" },
2742 { 1.234321234321234e29, "1.23432e+29" },
2743 { 1.234321234321234e30, "1.23432e+30" },
2744 { 1.234321234321234e31, "1.23432e+31" },
2745 { 1.234321234321234e32, "1.23432e+32" },
2746 { 1.234321234321234e33, "1.23432e+33" },
2747 { 1.234321234321234e34, "1.23432e+34" },
2748 { 1.234321234321234e35, "1.23432e+35" },
2749 { 1.234321234321234e36, "1.23432e+36" }
2752 for (k = 0; k < SIZEOF (data); k++)
2756 my_asprintf (&result, "%g", data[k].value);
2757 const char *expected = data[k].string;
2758 ASSERT (result != NULL);
2759 ASSERT (strcmp (result, expected) == 0
2760 /* Some implementations produce exponents with 3 digits. */
2761 || (expected[strlen (expected) - 4] == 'e'
2762 && strlen (result) == strlen (expected) + 1
2763 && memcmp (result, expected, strlen (expected) - 2) == 0
2764 && result[strlen (expected) - 2] == '0'
2765 && strcmp (result + strlen (expected) - 1,
2766 expected + strlen (expected) - 2)
2768 ASSERT (retval == strlen (result));
2773 { /* A negative number. */
2776 my_asprintf (&result, "%g %d", -0.03125, 33, 44, 55);
2777 ASSERT (result != NULL);
2778 ASSERT (strcmp (result, "-0.03125 33") == 0);
2779 ASSERT (retval == strlen (result));
2783 { /* Positive zero. */
2786 my_asprintf (&result, "%g %d", 0.0, 33, 44, 55);
2787 ASSERT (result != NULL);
2788 ASSERT (strcmp (result, "0 33") == 0);
2789 ASSERT (retval == strlen (result));
2793 { /* Negative zero. */
2796 my_asprintf (&result, "%g %d", -zerod, 33, 44, 55);
2797 ASSERT (result != NULL);
2798 if (have_minus_zero ())
2799 ASSERT (strcmp (result, "-0 33") == 0);
2800 ASSERT (retval == strlen (result));
2804 { /* Positive infinity. */
2807 my_asprintf (&result, "%g %d", 1.0 / 0.0, 33, 44, 55);
2808 ASSERT (result != NULL);
2809 ASSERT (strcmp (result, "inf 33") == 0
2810 || strcmp (result, "infinity 33") == 0);
2811 ASSERT (retval == strlen (result));
2815 { /* Negative infinity. */
2818 my_asprintf (&result, "%g %d", -1.0 / 0.0, 33, 44, 55);
2819 ASSERT (result != NULL);
2820 ASSERT (strcmp (result, "-inf 33") == 0
2821 || strcmp (result, "-infinity 33") == 0);
2822 ASSERT (retval == strlen (result));
2829 my_asprintf (&result, "%g %d", NaNd (), 33, 44, 55);
2830 ASSERT (result != NULL);
2831 ASSERT (strlen (result) >= 3 + 3
2832 && strisnan (result, 0, strlen (result) - 3, 0)
2833 && strcmp (result + strlen (result) - 3, " 33") == 0);
2834 ASSERT (retval == strlen (result));
2841 my_asprintf (&result, "%10g %d", 1.75, 33, 44, 55);
2842 ASSERT (result != NULL);
2843 ASSERT (strcmp (result, " 1.75 33") == 0);
2844 ASSERT (retval == strlen (result));
2851 my_asprintf (&result, "%-10g %d", 1.75, 33, 44, 55);
2852 ASSERT (result != NULL);
2853 ASSERT (strcmp (result, "1.75 33") == 0);
2854 ASSERT (retval == strlen (result));
2858 { /* FLAG_SHOWSIGN. */
2861 my_asprintf (&result, "%+g %d", 1.75, 33, 44, 55);
2862 ASSERT (result != NULL);
2863 ASSERT (strcmp (result, "+1.75 33") == 0);
2864 ASSERT (retval == strlen (result));
2871 my_asprintf (&result, "% g %d", 1.75, 33, 44, 55);
2872 ASSERT (result != NULL);
2873 ASSERT (strcmp (result, " 1.75 33") == 0);
2874 ASSERT (retval == strlen (result));
2881 my_asprintf (&result, "%#g %d", 1.75, 33, 44, 55);
2882 ASSERT (result != NULL);
2883 ASSERT (strcmp (result, "1.75000 33") == 0);
2884 ASSERT (retval == strlen (result));
2891 my_asprintf (&result, "%#.g %d", 1.75, 33, 44, 55);
2892 ASSERT (result != NULL);
2893 ASSERT (strcmp (result, "2. 33") == 0);
2894 ASSERT (retval == strlen (result));
2901 my_asprintf (&result, "%#.g %d", 9.75, 33, 44, 55);
2902 ASSERT (result != NULL);
2903 ASSERT (strcmp (result, "1.e+01 33") == 0
2904 || strcmp (result, "1.e+001 33") == 0);
2905 ASSERT (retval == strlen (result));
2909 { /* FLAG_ZERO with finite number. */
2912 my_asprintf (&result, "%010g %d", 1234.0, 33, 44, 55);
2913 ASSERT (result != NULL);
2914 ASSERT (strcmp (result, "0000001234 33") == 0);
2915 ASSERT (retval == strlen (result));
2919 { /* FLAG_ZERO with infinite number. */
2922 my_asprintf (&result, "%015g %d", -1.0 / 0.0, 33, 44, 55);
2923 ASSERT (result != NULL);
2924 ASSERT (strcmp (result, " -inf 33") == 0
2925 || strcmp (result, " -infinity 33") == 0);
2926 ASSERT (retval == strlen (result));
2930 { /* FLAG_ZERO with NaN. */
2933 my_asprintf (&result, "%050g %d", NaNd (), 33, 44, 55);
2934 ASSERT (result != NULL);
2935 ASSERT (strlen (result) == 50 + 3
2936 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2937 && strcmp (result + strlen (result) - 3, " 33") == 0);
2938 ASSERT (retval == strlen (result));
2945 my_asprintf (&result, "%.g %d", 1234.0, 33, 44, 55);
2946 ASSERT (result != NULL);
2947 ASSERT (strcmp (result, "1e+03 33") == 0
2948 || strcmp (result, "1e+003 33") == 0);
2949 ASSERT (retval == strlen (result));
2953 { /* Precision with no rounding. */
2956 my_asprintf (&result, "%.5g %d", 999.951, 33, 44, 55);
2957 ASSERT (result != NULL);
2958 ASSERT (strcmp (result, "999.95 33") == 0);
2959 ASSERT (retval == strlen (result));
2963 { /* Precision with rounding. */
2966 my_asprintf (&result, "%.5g %d", 999.996, 33, 44, 55);
2967 ASSERT (result != NULL);
2968 ASSERT (strcmp (result, "1000 33") == 0);
2969 ASSERT (retval == strlen (result));
2973 { /* A positive number. */
2976 my_asprintf (&result, "%Lg %d", 12.75L, 33, 44, 55);
2977 ASSERT (result != NULL);
2978 ASSERT (strcmp (result, "12.75 33") == 0);
2979 ASSERT (retval == strlen (result));
2983 { /* A larger positive number. */
2986 my_asprintf (&result, "%Lg %d", 1234567.0L, 33, 44, 55);
2987 ASSERT (result != NULL);
2988 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2989 || strcmp (result, "1.23457e+006 33") == 0);
2990 ASSERT (retval == strlen (result));
2994 { /* Small and large positive numbers. */
2995 static struct { long double value; const char *string; } data[] =
2997 { 1.234321234321234e-37L, "1.23432e-37" },
2998 { 1.234321234321234e-36L, "1.23432e-36" },
2999 { 1.234321234321234e-35L, "1.23432e-35" },
3000 { 1.234321234321234e-34L, "1.23432e-34" },
3001 { 1.234321234321234e-33L, "1.23432e-33" },
3002 { 1.234321234321234e-32L, "1.23432e-32" },
3003 { 1.234321234321234e-31L, "1.23432e-31" },
3004 { 1.234321234321234e-30L, "1.23432e-30" },
3005 { 1.234321234321234e-29L, "1.23432e-29" },
3006 { 1.234321234321234e-28L, "1.23432e-28" },
3007 { 1.234321234321234e-27L, "1.23432e-27" },
3008 { 1.234321234321234e-26L, "1.23432e-26" },
3009 { 1.234321234321234e-25L, "1.23432e-25" },
3010 { 1.234321234321234e-24L, "1.23432e-24" },
3011 { 1.234321234321234e-23L, "1.23432e-23" },
3012 { 1.234321234321234e-22L, "1.23432e-22" },
3013 { 1.234321234321234e-21L, "1.23432e-21" },
3014 { 1.234321234321234e-20L, "1.23432e-20" },
3015 { 1.234321234321234e-19L, "1.23432e-19" },
3016 { 1.234321234321234e-18L, "1.23432e-18" },
3017 { 1.234321234321234e-17L, "1.23432e-17" },
3018 { 1.234321234321234e-16L, "1.23432e-16" },
3019 { 1.234321234321234e-15L, "1.23432e-15" },
3020 { 1.234321234321234e-14L, "1.23432e-14" },
3021 { 1.234321234321234e-13L, "1.23432e-13" },
3022 { 1.234321234321234e-12L, "1.23432e-12" },
3023 { 1.234321234321234e-11L, "1.23432e-11" },
3024 { 1.234321234321234e-10L, "1.23432e-10" },
3025 { 1.234321234321234e-9L, "1.23432e-09" },
3026 { 1.234321234321234e-8L, "1.23432e-08" },
3027 { 1.234321234321234e-7L, "1.23432e-07" },
3028 { 1.234321234321234e-6L, "1.23432e-06" },
3029 { 1.234321234321234e-5L, "1.23432e-05" },
3030 { 1.234321234321234e-4L, "0.000123432" },
3031 { 1.234321234321234e-3L, "0.00123432" },
3032 { 1.234321234321234e-2L, "0.0123432" },
3033 { 1.234321234321234e-1L, "0.123432" },
3034 { 1.234321234321234L, "1.23432" },
3035 { 1.234321234321234e1L, "12.3432" },
3036 { 1.234321234321234e2L, "123.432" },
3037 { 1.234321234321234e3L, "1234.32" },
3038 { 1.234321234321234e4L, "12343.2" },
3039 { 1.234321234321234e5L, "123432" },
3040 { 1.234321234321234e6L, "1.23432e+06" },
3041 { 1.234321234321234e7L, "1.23432e+07" },
3042 { 1.234321234321234e8L, "1.23432e+08" },
3043 { 1.234321234321234e9L, "1.23432e+09" },
3044 { 1.234321234321234e10L, "1.23432e+10" },
3045 { 1.234321234321234e11L, "1.23432e+11" },
3046 { 1.234321234321234e12L, "1.23432e+12" },
3047 { 1.234321234321234e13L, "1.23432e+13" },
3048 { 1.234321234321234e14L, "1.23432e+14" },
3049 { 1.234321234321234e15L, "1.23432e+15" },
3050 { 1.234321234321234e16L, "1.23432e+16" },
3051 { 1.234321234321234e17L, "1.23432e+17" },
3052 { 1.234321234321234e18L, "1.23432e+18" },
3053 { 1.234321234321234e19L, "1.23432e+19" },
3054 { 1.234321234321234e20L, "1.23432e+20" },
3055 { 1.234321234321234e21L, "1.23432e+21" },
3056 { 1.234321234321234e22L, "1.23432e+22" },
3057 { 1.234321234321234e23L, "1.23432e+23" },
3058 { 1.234321234321234e24L, "1.23432e+24" },
3059 { 1.234321234321234e25L, "1.23432e+25" },
3060 { 1.234321234321234e26L, "1.23432e+26" },
3061 { 1.234321234321234e27L, "1.23432e+27" },
3062 { 1.234321234321234e28L, "1.23432e+28" },
3063 { 1.234321234321234e29L, "1.23432e+29" },
3064 { 1.234321234321234e30L, "1.23432e+30" },
3065 { 1.234321234321234e31L, "1.23432e+31" },
3066 { 1.234321234321234e32L, "1.23432e+32" },
3067 { 1.234321234321234e33L, "1.23432e+33" },
3068 { 1.234321234321234e34L, "1.23432e+34" },
3069 { 1.234321234321234e35L, "1.23432e+35" },
3070 { 1.234321234321234e36L, "1.23432e+36" }
3073 for (k = 0; k < SIZEOF (data); k++)
3077 my_asprintf (&result, "%Lg", data[k].value);
3078 const char *expected = data[k].string;
3079 ASSERT (result != NULL);
3080 ASSERT (strcmp (result, expected) == 0
3081 /* Some implementations produce exponents with 3 digits. */
3082 || (expected[strlen (expected) - 4] == 'e'
3083 && strlen (result) == strlen (expected) + 1
3084 && memcmp (result, expected, strlen (expected) - 2) == 0
3085 && result[strlen (expected) - 2] == '0'
3086 && strcmp (result + strlen (expected) - 1,
3087 expected + strlen (expected) - 2)
3089 ASSERT (retval == strlen (result));
3094 { /* A negative number. */
3097 my_asprintf (&result, "%Lg %d", -0.03125L, 33, 44, 55);
3098 ASSERT (result != NULL);
3099 ASSERT (strcmp (result, "-0.03125 33") == 0);
3100 ASSERT (retval == strlen (result));
3104 { /* Positive zero. */
3107 my_asprintf (&result, "%Lg %d", 0.0L, 33, 44, 55);
3108 ASSERT (result != NULL);
3109 ASSERT (strcmp (result, "0 33") == 0);
3110 ASSERT (retval == strlen (result));
3114 { /* Negative zero. */
3117 my_asprintf (&result, "%Lg %d", minus_zerol, 33, 44, 55);
3118 ASSERT (result != NULL);
3119 if (have_minus_zero ())
3120 ASSERT (strcmp (result, "-0 33") == 0);
3121 ASSERT (retval == strlen (result));
3125 { /* Positive infinity. */
3128 my_asprintf (&result, "%Lg %d", 1.0L / 0.0L, 33, 44, 55);
3129 ASSERT (result != NULL);
3130 ASSERT (strcmp (result, "inf 33") == 0
3131 || strcmp (result, "infinity 33") == 0);
3132 ASSERT (retval == strlen (result));
3136 { /* Negative infinity. */
3139 my_asprintf (&result, "%Lg %d", -1.0L / 0.0L, 33, 44, 55);
3140 ASSERT (result != NULL);
3141 ASSERT (strcmp (result, "-inf 33") == 0
3142 || strcmp (result, "-infinity 33") == 0);
3143 ASSERT (retval == strlen (result));
3150 my_asprintf (&result, "%Lg %d", NaNl (), 33, 44, 55);
3151 ASSERT (result != NULL);
3152 ASSERT (strlen (result) >= 3 + 3
3153 && strisnan (result, 0, strlen (result) - 3, 0)
3154 && strcmp (result + strlen (result) - 3, " 33") == 0);
3155 ASSERT (retval == strlen (result));
3158 #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_))
3160 static union { unsigned int word[4]; long double value; } x =
3161 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
3164 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3165 ASSERT (result != NULL);
3166 ASSERT (strlen (result) >= 3 + 3
3167 && strisnan (result, 0, strlen (result) - 3, 0)
3168 && strcmp (result + strlen (result) - 3, " 33") == 0);
3169 ASSERT (retval == strlen (result));
3173 /* Signalling NaN. */
3174 static union { unsigned int word[4]; long double value; } x =
3175 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
3178 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3179 ASSERT (result != NULL);
3180 ASSERT (strlen (result) >= 3 + 3
3181 && strisnan (result, 0, strlen (result) - 3, 0)
3182 && strcmp (result + strlen (result) - 3, " 33") == 0);
3183 ASSERT (retval == strlen (result));
3186 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
3187 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
3188 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
3189 Application Architecture.
3190 Table 5-2 "Floating-Point Register Encodings"
3191 Figure 5-6 "Memory to Floating-Point Register Data Translation"
3194 static union { unsigned int word[4]; long double value; } x =
3195 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
3198 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3199 ASSERT (result != NULL);
3200 ASSERT (strlen (result) >= 3 + 3
3201 && strisnan (result, 0, strlen (result) - 3, 0)
3202 && strcmp (result + strlen (result) - 3, " 33") == 0);
3203 ASSERT (retval == strlen (result));
3206 { /* Pseudo-Infinity. */
3207 static union { unsigned int word[4]; long double value; } x =
3208 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
3211 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3212 ASSERT (result != NULL);
3213 ASSERT (strlen (result) >= 3 + 3
3214 && strisnan (result, 0, strlen (result) - 3, 0)
3215 && strcmp (result + strlen (result) - 3, " 33") == 0);
3216 ASSERT (retval == strlen (result));
3219 { /* Pseudo-Zero. */
3220 static union { unsigned int word[4]; long double value; } x =
3221 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
3224 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3225 ASSERT (result != NULL);
3226 ASSERT (strlen (result) >= 3 + 3
3227 && strisnan (result, 0, strlen (result) - 3, 0)
3228 && strcmp (result + strlen (result) - 3, " 33") == 0);
3229 ASSERT (retval == strlen (result));
3232 { /* Unnormalized number. */
3233 static union { unsigned int word[4]; long double value; } x =
3234 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
3237 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3238 ASSERT (result != NULL);
3239 ASSERT (strlen (result) >= 3 + 3
3240 && strisnan (result, 0, strlen (result) - 3, 0)
3241 && strcmp (result + strlen (result) - 3, " 33") == 0);
3242 ASSERT (retval == strlen (result));
3245 { /* Pseudo-Denormal. */
3246 static union { unsigned int word[4]; long double value; } x =
3247 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
3250 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3251 ASSERT (result != NULL);
3252 ASSERT (strlen (result) >= 3 + 3
3253 && strisnan (result, 0, strlen (result) - 3, 0)
3254 && strcmp (result + strlen (result) - 3, " 33") == 0);
3255 ASSERT (retval == strlen (result));
3263 my_asprintf (&result, "%10Lg %d", 1.75L, 33, 44, 55);
3264 ASSERT (result != NULL);
3265 ASSERT (strcmp (result, " 1.75 33") == 0);
3266 ASSERT (retval == strlen (result));
3273 my_asprintf (&result, "%-10Lg %d", 1.75L, 33, 44, 55);
3274 ASSERT (result != NULL);
3275 ASSERT (strcmp (result, "1.75 33") == 0);
3276 ASSERT (retval == strlen (result));
3280 { /* FLAG_SHOWSIGN. */
3283 my_asprintf (&result, "%+Lg %d", 1.75L, 33, 44, 55);
3284 ASSERT (result != NULL);
3285 ASSERT (strcmp (result, "+1.75 33") == 0);
3286 ASSERT (retval == strlen (result));
3293 my_asprintf (&result, "% Lg %d", 1.75L, 33, 44, 55);
3294 ASSERT (result != NULL);
3295 ASSERT (strcmp (result, " 1.75 33") == 0);
3296 ASSERT (retval == strlen (result));
3303 my_asprintf (&result, "%#Lg %d", 1.75L, 33, 44, 55);
3304 ASSERT (result != NULL);
3305 ASSERT (strcmp (result, "1.75000 33") == 0);
3306 ASSERT (retval == strlen (result));
3313 my_asprintf (&result, "%#.Lg %d", 1.75L, 33, 44, 55);
3314 ASSERT (result != NULL);
3315 ASSERT (strcmp (result, "2. 33") == 0);
3316 ASSERT (retval == strlen (result));
3323 my_asprintf (&result, "%#.Lg %d", 9.75L, 33, 44, 55);
3324 ASSERT (result != NULL);
3325 ASSERT (strcmp (result, "1.e+01 33") == 0
3326 || strcmp (result, "1.e+001 33") == 0);
3327 ASSERT (retval == strlen (result));
3331 { /* FLAG_ZERO with finite number. */
3334 my_asprintf (&result, "%010Lg %d", 1234.0L, 33, 44, 55);
3335 ASSERT (result != NULL);
3336 ASSERT (strcmp (result, "0000001234 33") == 0);
3337 ASSERT (retval == strlen (result));
3341 { /* FLAG_ZERO with infinite number. */
3344 my_asprintf (&result, "%015Lg %d", -1.0L / 0.0L, 33, 44, 55);
3345 ASSERT (result != NULL);
3346 ASSERT (strcmp (result, " -inf 33") == 0
3347 || strcmp (result, " -infinity 33") == 0);
3348 ASSERT (retval == strlen (result));
3352 { /* FLAG_ZERO with NaN. */
3355 my_asprintf (&result, "%050Lg %d", NaNl (), 33, 44, 55);
3356 ASSERT (result != NULL);
3357 ASSERT (strlen (result) == 50 + 3
3358 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
3359 && strcmp (result + strlen (result) - 3, " 33") == 0);
3360 ASSERT (retval == strlen (result));
3367 my_asprintf (&result, "%.Lg %d", 1234.0L, 33, 44, 55);
3368 ASSERT (result != NULL);
3369 ASSERT (strcmp (result, "1e+03 33") == 0
3370 || strcmp (result, "1e+003 33") == 0);
3371 ASSERT (retval == strlen (result));
3375 { /* Precision with no rounding. */
3378 my_asprintf (&result, "%.5Lg %d", 999.951L, 33, 44, 55);
3379 ASSERT (result != NULL);
3380 ASSERT (strcmp (result, "999.95 33") == 0);
3381 ASSERT (retval == strlen (result));
3385 { /* Precision with rounding. */
3388 my_asprintf (&result, "%.5Lg %d", 999.996L, 33, 44, 55);
3389 ASSERT (result != NULL);
3390 ASSERT (strcmp (result, "1000 33") == 0);
3391 ASSERT (retval == strlen (result));
3395 /* Test the support of the %n format directive. */
3401 my_asprintf (&result, "%d %n", 123, &count, 33, 44, 55);
3402 ASSERT (result != NULL);
3403 ASSERT (strcmp (result, "123 ") == 0);
3404 ASSERT (retval == strlen (result));
3405 ASSERT (count == 4);
3409 /* Test the support of the POSIX/XSI format strings with positions. */
3414 my_asprintf (&result, "%2$d %1$d", 33, 55);
3415 ASSERT (result != NULL);
3416 ASSERT (strcmp (result, "55 33") == 0);
3417 ASSERT (retval == strlen (result));
3421 /* Test the support of the grouping flag. */
3426 my_asprintf (&result, "%'d %d", 1234567, 99);
3427 ASSERT (result != NULL);
3428 ASSERT (result[strlen (result) - 1] == '9');
3429 ASSERT (retval == strlen (result));
3433 /* Test the support of the left-adjust flag. */
3438 my_asprintf (&result, "a%*sc", -3, "b");
3439 ASSERT (result != NULL);
3440 ASSERT (strcmp (result, "ab c") == 0);
3441 ASSERT (retval == strlen (result));
3448 my_asprintf (&result, "a%-*sc", 3, "b");
3449 ASSERT (result != NULL);
3450 ASSERT (strcmp (result, "ab c") == 0);
3451 ASSERT (retval == strlen (result));
3458 my_asprintf (&result, "a%-*sc", -3, "b");
3459 ASSERT (result != NULL);
3460 ASSERT (strcmp (result, "ab c") == 0);
3461 ASSERT (retval == strlen (result));
3465 /* Test the support of large precision. */
3470 my_asprintf (&result, "%.4000d %d", 1234567, 99);
3472 ASSERT (result != NULL);
3473 for (i = 0; i < 4000 - 7; i++)
3474 ASSERT (result[i] == '0');
3475 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3476 ASSERT (retval == strlen (result));
3483 my_asprintf (&result, "%.*d %d", 4000, 1234567, 99);
3485 ASSERT (result != NULL);
3486 for (i = 0; i < 4000 - 7; i++)
3487 ASSERT (result[i] == '0');
3488 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3489 ASSERT (retval == strlen (result));
3496 my_asprintf (&result, "%.4000d %d", -1234567, 99);
3498 ASSERT (result != NULL);
3499 ASSERT (result[0] == '-');
3500 for (i = 0; i < 4000 - 7; i++)
3501 ASSERT (result[1 + i] == '0');
3502 ASSERT (strcmp (result + 1 + 4000 - 7, "1234567 99") == 0);
3503 ASSERT (retval == strlen (result));
3510 my_asprintf (&result, "%.4000u %d", 1234567, 99);
3512 ASSERT (result != NULL);
3513 for (i = 0; i < 4000 - 7; i++)
3514 ASSERT (result[i] == '0');
3515 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3516 ASSERT (retval == strlen (result));
3523 my_asprintf (&result, "%.4000o %d", 1234567, 99);
3525 ASSERT (result != NULL);
3526 for (i = 0; i < 4000 - 7; i++)
3527 ASSERT (result[i] == '0');
3528 ASSERT (strcmp (result + 4000 - 7, "4553207 99") == 0);
3529 ASSERT (retval == strlen (result));
3536 my_asprintf (&result, "%.4000x %d", 1234567, 99);
3538 ASSERT (result != NULL);
3539 for (i = 0; i < 4000 - 6; i++)
3540 ASSERT (result[i] == '0');
3541 ASSERT (strcmp (result + 4000 - 6, "12d687 99") == 0);
3542 ASSERT (retval == strlen (result));
3549 my_asprintf (&result, "%#.4000x %d", 1234567, 99);
3551 ASSERT (result != NULL);
3552 ASSERT (result[0] == '0');
3553 ASSERT (result[1] == 'x');
3554 for (i = 0; i < 4000 - 6; i++)
3555 ASSERT (result[2 + i] == '0');
3556 ASSERT (strcmp (result + 2 + 4000 - 6, "12d687 99") == 0);
3557 ASSERT (retval == strlen (result));
3567 for (i = 0; i < sizeof (input) - 1; i++)
3568 input[i] = 'a' + ((1000000 / (i + 1)) % 26);
3570 retval = my_asprintf (&result, "%.4000s %d", input, 99);
3571 ASSERT (result != NULL);
3572 ASSERT (memcmp (result, input, 4000) == 0);
3573 ASSERT (strcmp (result + 4000, " 99") == 0);
3574 ASSERT (retval == strlen (result));
3580 my_asprintf (char **result, const char *format, ...)
3585 va_start (args, format);
3586 ret = vasprintf (result, format, args);
3594 test_function (my_asprintf);
3600 test_function (asprintf);
3604 main (int argc, char *argv[])