1 /* Test of POSIX compatible vsprintf() and sprintf() functions.
2 Copyright (C) 2007 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. */
19 /* The Compaq (ex-DEC) C 6.4 compiler chokes on the expression 0.0 / 0.0. */
24 static double zero = 0.0;
28 # define NaN() (0.0 / 0.0)
31 /* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0. */
35 static double plus_zero = 0.0;
36 static double minus_zero = -0.0;
37 return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0;
40 /* Representation of an 80-bit 'long double' as an initializer for a sequence
41 of 'unsigned int' words. */
42 #ifdef WORDS_BIGENDIAN
43 # define LDBL80_WORDS(exponent,manthi,mantlo) \
44 { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \
45 ((unsigned int) (manthi) << 16) | (unsigned int) (mantlo) >> 16), \
46 (unsigned int) (mantlo) << 16 \
49 # define LDBL80_WORDS(exponent,manthi,mantlo) \
50 { mantlo, manthi, exponent }
54 strmatch (const char *pattern, const char *string)
56 if (strlen (pattern) != strlen (string))
58 for (; *pattern != '\0'; pattern++, string++)
59 if (*pattern != '*' && *string != *pattern)
64 /* Test whether string[start_index..end_index-1] is a valid textual
65 representation of NaN. */
67 strisnan (const char *string, size_t start_index, size_t end_index, int uppercase)
69 if (start_index < end_index)
71 if (string[start_index] == '-')
73 if (start_index + 3 <= end_index
74 && memcmp (string + start_index, uppercase ? "NAN" : "nan", 3) == 0)
77 if (start_index == end_index
78 || (string[start_index] == '(' && string[end_index - 1] == ')'))
86 test_function (int (*my_sprintf) (char *, const char *, ...))
90 /* Test return value convention. */
95 memcpy (buf, "DEADBEEF", 8);
96 retval = my_sprintf (buf, "%d", 12345);
98 ASSERT (memcmp (buf, "12345\0EF", 8) == 0);
101 /* Test support of size specifiers as in C99. */
106 my_sprintf (result, "%ju %d", (uintmax_t) 12345671, 33, 44, 55);
107 ASSERT (strcmp (result, "12345671 33") == 0);
108 ASSERT (retval == strlen (result));
114 my_sprintf (result, "%zu %d", (size_t) 12345672, 33, 44, 55);
115 ASSERT (strcmp (result, "12345672 33") == 0);
116 ASSERT (retval == strlen (result));
122 my_sprintf (result, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55);
123 ASSERT (strcmp (result, "12345673 33") == 0);
124 ASSERT (retval == strlen (result));
130 my_sprintf (result, "%Lg %d", (long double) 1.5, 33, 44, 55);
131 ASSERT (strcmp (result, "1.5 33") == 0);
132 ASSERT (retval == strlen (result));
135 /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
136 output of floating-point numbers. */
138 { /* A positive number. */
141 my_sprintf (result, "%a %d", 3.1416015625, 33, 44, 55);
142 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
143 || strcmp (result, "0x3.244p+0 33") == 0
144 || strcmp (result, "0x6.488p-1 33") == 0
145 || strcmp (result, "0xc.91p-2 33") == 0);
146 ASSERT (retval == strlen (result));
149 { /* A negative number. */
152 my_sprintf (result, "%A %d", -3.1416015625, 33, 44, 55);
153 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
154 || strcmp (result, "-0X3.244P+0 33") == 0
155 || strcmp (result, "-0X6.488P-1 33") == 0
156 || strcmp (result, "-0XC.91P-2 33") == 0);
157 ASSERT (retval == strlen (result));
160 { /* Positive zero. */
163 my_sprintf (result, "%a %d", 0.0, 33, 44, 55);
164 ASSERT (strcmp (result, "0x0p+0 33") == 0);
165 ASSERT (retval == strlen (result));
168 { /* Negative zero. */
171 my_sprintf (result, "%a %d", -0.0, 33, 44, 55);
172 if (have_minus_zero ())
173 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
174 ASSERT (retval == strlen (result));
177 { /* Positive infinity. */
180 my_sprintf (result, "%a %d", 1.0 / 0.0, 33, 44, 55);
181 ASSERT (strcmp (result, "inf 33") == 0);
182 ASSERT (retval == strlen (result));
185 { /* Negative infinity. */
188 my_sprintf (result, "%a %d", -1.0 / 0.0, 33, 44, 55);
189 ASSERT (strcmp (result, "-inf 33") == 0);
190 ASSERT (retval == strlen (result));
196 my_sprintf (result, "%a %d", NaN (), 33, 44, 55);
197 ASSERT (strlen (result) >= 3 + 3
198 && strisnan (result, 0, strlen (result) - 3, 0)
199 && strcmp (result + strlen (result) - 3, " 33") == 0);
200 ASSERT (retval == strlen (result));
203 { /* Rounding near the decimal point. */
206 my_sprintf (result, "%.0a %d", 1.5, 33, 44, 55);
207 ASSERT (strcmp (result, "0x2p+0 33") == 0
208 || strcmp (result, "0x3p-1 33") == 0
209 || strcmp (result, "0x6p-2 33") == 0
210 || strcmp (result, "0xcp-3 33") == 0);
211 ASSERT (retval == strlen (result));
214 { /* Rounding with precision 0. */
217 my_sprintf (result, "%.0a %d", 1.51, 33, 44, 55);
218 ASSERT (strcmp (result, "0x2p+0 33") == 0
219 || strcmp (result, "0x3p-1 33") == 0
220 || strcmp (result, "0x6p-2 33") == 0
221 || strcmp (result, "0xcp-3 33") == 0);
222 ASSERT (retval == strlen (result));
225 { /* Rounding with precision 1. */
228 my_sprintf (result, "%.1a %d", 1.51, 33, 44, 55);
229 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
230 || strcmp (result, "0x3.0p-1 33") == 0
231 || strcmp (result, "0x6.1p-2 33") == 0
232 || strcmp (result, "0xc.1p-3 33") == 0);
233 ASSERT (retval == strlen (result));
236 { /* Rounding with precision 2. */
239 my_sprintf (result, "%.2a %d", 1.51, 33, 44, 55);
240 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
241 || strcmp (result, "0x3.05p-1 33") == 0
242 || strcmp (result, "0x6.0ap-2 33") == 0
243 || strcmp (result, "0xc.14p-3 33") == 0);
244 ASSERT (retval == strlen (result));
247 { /* Rounding with precision 3. */
250 my_sprintf (result, "%.3a %d", 1.51, 33, 44, 55);
251 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
252 || strcmp (result, "0x3.052p-1 33") == 0
253 || strcmp (result, "0x6.0a4p-2 33") == 0
254 || strcmp (result, "0xc.148p-3 33") == 0);
255 ASSERT (retval == strlen (result));
258 { /* Rounding can turn a ...FFF into a ...000. */
261 my_sprintf (result, "%.3a %d", 1.49999, 33, 44, 55);
262 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
263 || strcmp (result, "0x3.000p-1 33") == 0
264 || strcmp (result, "0x6.000p-2 33") == 0
265 || strcmp (result, "0xc.000p-3 33") == 0);
266 ASSERT (retval == strlen (result));
269 { /* Rounding can turn a ...FFF into a ...000.
270 This shows a MacOS X 10.3.9 (Darwin 7.9) bug. */
273 my_sprintf (result, "%.1a %d", 1.999, 33, 44, 55);
274 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
275 || strcmp (result, "0x2.0p+0 33") == 0
276 || strcmp (result, "0x4.0p-1 33") == 0
277 || strcmp (result, "0x8.0p-2 33") == 0);
278 ASSERT (retval == strlen (result));
284 my_sprintf (result, "%10a %d", 1.75, 33, 44, 55);
285 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
286 || strcmp (result, " 0x3.8p-1 33") == 0
287 || strcmp (result, " 0x7p-2 33") == 0
288 || strcmp (result, " 0xep-3 33") == 0);
289 ASSERT (retval == strlen (result));
292 { /* Small precision. */
295 my_sprintf (result, "%.10a %d", 1.75, 33, 44, 55);
296 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
297 || strcmp (result, "0x3.8000000000p-1 33") == 0
298 || strcmp (result, "0x7.0000000000p-2 33") == 0
299 || strcmp (result, "0xe.0000000000p-3 33") == 0);
300 ASSERT (retval == strlen (result));
303 { /* Large precision. */
306 my_sprintf (result, "%.50a %d", 1.75, 33, 44, 55);
307 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
308 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
309 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
310 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
311 ASSERT (retval == strlen (result));
317 my_sprintf (result, "%-10a %d", 1.75, 33, 44, 55);
318 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
319 || strcmp (result, "0x3.8p-1 33") == 0
320 || strcmp (result, "0x7p-2 33") == 0
321 || strcmp (result, "0xep-3 33") == 0);
322 ASSERT (retval == strlen (result));
325 { /* FLAG_SHOWSIGN. */
328 my_sprintf (result, "%+a %d", 1.75, 33, 44, 55);
329 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
330 || strcmp (result, "+0x3.8p-1 33") == 0
331 || strcmp (result, "+0x7p-2 33") == 0
332 || strcmp (result, "+0xep-3 33") == 0);
333 ASSERT (retval == strlen (result));
339 my_sprintf (result, "% a %d", 1.75, 33, 44, 55);
340 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
341 || strcmp (result, " 0x3.8p-1 33") == 0
342 || strcmp (result, " 0x7p-2 33") == 0
343 || strcmp (result, " 0xep-3 33") == 0);
344 ASSERT (retval == strlen (result));
350 my_sprintf (result, "%#a %d", 1.75, 33, 44, 55);
351 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
352 || strcmp (result, "0x3.8p-1 33") == 0
353 || strcmp (result, "0x7.p-2 33") == 0
354 || strcmp (result, "0xe.p-3 33") == 0);
355 ASSERT (retval == strlen (result));
361 my_sprintf (result, "%#a %d", 1.0, 33, 44, 55);
362 ASSERT (strcmp (result, "0x1.p+0 33") == 0
363 || strcmp (result, "0x2.p-1 33") == 0
364 || strcmp (result, "0x4.p-2 33") == 0
365 || strcmp (result, "0x8.p-3 33") == 0);
366 ASSERT (retval == strlen (result));
369 { /* FLAG_ZERO with finite number. */
372 my_sprintf (result, "%010a %d", 1.75, 33, 44, 55);
373 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
374 || strcmp (result, "0x003.8p-1 33") == 0
375 || strcmp (result, "0x00007p-2 33") == 0
376 || strcmp (result, "0x0000ep-3 33") == 0);
377 ASSERT (retval == strlen (result));
380 { /* FLAG_ZERO with infinite number. */
383 my_sprintf (result, "%010a %d", 1.0 / 0.0, 33, 44, 55);
384 /* "0000000inf 33" is not a valid result; see
385 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
386 ASSERT (strcmp (result, " inf 33") == 0);
387 ASSERT (retval == strlen (result));
390 { /* FLAG_ZERO with NaN. */
393 my_sprintf (result, "%050a %d", NaN (), 33, 44, 55);
394 /* "0000000nan 33" is not a valid result; see
395 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
396 ASSERT (strlen (result) == 50 + 3
397 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
398 && strcmp (result + strlen (result) - 3, " 33") == 0);
399 ASSERT (retval == strlen (result));
402 { /* A positive number. */
405 my_sprintf (result, "%La %d", 3.1416015625L, 33, 44, 55);
406 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
407 || strcmp (result, "0x3.244p+0 33") == 0
408 || strcmp (result, "0x6.488p-1 33") == 0
409 || strcmp (result, "0xc.91p-2 33") == 0);
410 ASSERT (retval == strlen (result));
413 { /* A negative number. */
416 my_sprintf (result, "%LA %d", -3.1416015625L, 33, 44, 55);
417 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
418 || strcmp (result, "-0X3.244P+0 33") == 0
419 || strcmp (result, "-0X6.488P-1 33") == 0
420 || strcmp (result, "-0XC.91P-2 33") == 0);
421 ASSERT (retval == strlen (result));
424 { /* Positive zero. */
427 my_sprintf (result, "%La %d", 0.0L, 33, 44, 55);
428 ASSERT (strcmp (result, "0x0p+0 33") == 0);
429 ASSERT (retval == strlen (result));
432 { /* Negative zero. */
435 my_sprintf (result, "%La %d", -0.0L, 33, 44, 55);
436 if (have_minus_zero ())
437 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
438 ASSERT (retval == strlen (result));
441 { /* Positive infinity. */
444 my_sprintf (result, "%La %d", 1.0L / 0.0L, 33, 44, 55);
445 ASSERT (strcmp (result, "inf 33") == 0);
446 ASSERT (retval == strlen (result));
449 { /* Negative infinity. */
452 my_sprintf (result, "%La %d", -1.0L / 0.0L, 33, 44, 55);
453 ASSERT (strcmp (result, "-inf 33") == 0);
454 ASSERT (retval == strlen (result));
460 my_sprintf (result, "%La %d", 0.0L / 0.0L, 33, 44, 55);
461 ASSERT (strlen (result) >= 3 + 3
462 && strisnan (result, 0, strlen (result) - 3, 0)
463 && strcmp (result + strlen (result) - 3, " 33") == 0);
464 ASSERT (retval == strlen (result));
466 #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_))
468 static union { unsigned int word[4]; long double value; } x =
469 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
472 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
473 ASSERT (strlen (result) >= 3 + 3
474 && strisnan (result, 0, strlen (result) - 3, 0)
475 && strcmp (result + strlen (result) - 3, " 33") == 0);
476 ASSERT (retval == strlen (result));
479 /* Signalling NaN. */
480 static union { unsigned int word[4]; long double value; } x =
481 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
484 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
485 ASSERT (strlen (result) >= 3 + 3
486 && strisnan (result, 0, strlen (result) - 3, 0)
487 && strcmp (result + strlen (result) - 3, " 33") == 0);
488 ASSERT (retval == strlen (result));
490 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
491 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
492 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
493 Application Architecture.
494 Table 5-2 "Floating-Point Register Encodings"
495 Figure 5-6 "Memory to Floating-Point Register Data Translation"
498 static union { unsigned int word[4]; long double value; } x =
499 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
502 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
503 ASSERT (strlen (result) >= 3 + 3
504 && strisnan (result, 0, strlen (result) - 3, 0)
505 && strcmp (result + strlen (result) - 3, " 33") == 0);
506 ASSERT (retval == strlen (result));
508 { /* Pseudo-Infinity. */
509 static union { unsigned int word[4]; long double value; } x =
510 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
513 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
514 ASSERT (strlen (result) >= 3 + 3
515 && strisnan (result, 0, strlen (result) - 3, 0)
516 && strcmp (result + strlen (result) - 3, " 33") == 0);
517 ASSERT (retval == strlen (result));
520 static union { unsigned int word[4]; long double value; } x =
521 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
524 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
525 ASSERT (strlen (result) >= 3 + 3
526 && strisnan (result, 0, strlen (result) - 3, 0)
527 && strcmp (result + strlen (result) - 3, " 33") == 0);
528 ASSERT (retval == strlen (result));
530 { /* Unnormalized number. */
531 static union { unsigned int word[4]; long double value; } x =
532 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
535 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
536 ASSERT (strlen (result) >= 3 + 3
537 && strisnan (result, 0, strlen (result) - 3, 0)
538 && strcmp (result + strlen (result) - 3, " 33") == 0);
539 ASSERT (retval == strlen (result));
541 { /* Pseudo-Denormal. */
542 static union { unsigned int word[4]; long double value; } x =
543 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
546 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
547 ASSERT (strlen (result) >= 3 + 3
548 && strisnan (result, 0, strlen (result) - 3, 0)
549 && strcmp (result + strlen (result) - 3, " 33") == 0);
550 ASSERT (retval == strlen (result));
554 { /* Rounding near the decimal point. */
557 my_sprintf (result, "%.0La %d", 1.5L, 33, 44, 55);
558 ASSERT (strcmp (result, "0x2p+0 33") == 0
559 || strcmp (result, "0x3p-1 33") == 0
560 || strcmp (result, "0x6p-2 33") == 0
561 || strcmp (result, "0xcp-3 33") == 0);
562 ASSERT (retval == strlen (result));
565 { /* Rounding with precision 0. */
568 my_sprintf (result, "%.0La %d", 1.51L, 33, 44, 55);
569 ASSERT (strcmp (result, "0x2p+0 33") == 0
570 || strcmp (result, "0x3p-1 33") == 0
571 || strcmp (result, "0x6p-2 33") == 0
572 || strcmp (result, "0xcp-3 33") == 0);
573 ASSERT (retval == strlen (result));
576 { /* Rounding with precision 1. */
579 my_sprintf (result, "%.1La %d", 1.51L, 33, 44, 55);
580 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
581 || strcmp (result, "0x3.0p-1 33") == 0
582 || strcmp (result, "0x6.1p-2 33") == 0
583 || strcmp (result, "0xc.1p-3 33") == 0);
584 ASSERT (retval == strlen (result));
587 { /* Rounding with precision 2. */
590 my_sprintf (result, "%.2La %d", 1.51L, 33, 44, 55);
591 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
592 || strcmp (result, "0x3.05p-1 33") == 0
593 || strcmp (result, "0x6.0ap-2 33") == 0
594 || strcmp (result, "0xc.14p-3 33") == 0);
595 ASSERT (retval == strlen (result));
598 { /* Rounding with precision 3. */
601 my_sprintf (result, "%.3La %d", 1.51L, 33, 44, 55);
602 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
603 || strcmp (result, "0x3.052p-1 33") == 0
604 || strcmp (result, "0x6.0a4p-2 33") == 0
605 || strcmp (result, "0xc.148p-3 33") == 0);
606 ASSERT (retval == strlen (result));
609 { /* Rounding can turn a ...FFF into a ...000. */
612 my_sprintf (result, "%.3La %d", 1.49999L, 33, 44, 55);
613 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
614 || strcmp (result, "0x3.000p-1 33") == 0
615 || strcmp (result, "0x6.000p-2 33") == 0
616 || strcmp (result, "0xc.000p-3 33") == 0);
617 ASSERT (retval == strlen (result));
620 { /* Rounding can turn a ...FFF into a ...000.
621 This shows a MacOS X 10.3.9 (Darwin 7.9) bug and a
622 glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
625 my_sprintf (result, "%.1La %d", 1.999L, 33, 44, 55);
626 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
627 || strcmp (result, "0x2.0p+0 33") == 0
628 || strcmp (result, "0x4.0p-1 33") == 0
629 || strcmp (result, "0x8.0p-2 33") == 0);
630 ASSERT (retval == strlen (result));
636 my_sprintf (result, "%10La %d", 1.75L, 33, 44, 55);
637 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
638 || strcmp (result, " 0x3.8p-1 33") == 0
639 || strcmp (result, " 0x7p-2 33") == 0
640 || strcmp (result, " 0xep-3 33") == 0);
641 ASSERT (retval == strlen (result));
644 { /* Small precision. */
647 my_sprintf (result, "%.10La %d", 1.75L, 33, 44, 55);
648 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
649 || strcmp (result, "0x3.8000000000p-1 33") == 0
650 || strcmp (result, "0x7.0000000000p-2 33") == 0
651 || strcmp (result, "0xe.0000000000p-3 33") == 0);
652 ASSERT (retval == strlen (result));
655 { /* Large precision. */
658 my_sprintf (result, "%.50La %d", 1.75L, 33, 44, 55);
659 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
660 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
661 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
662 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
663 ASSERT (retval == strlen (result));
669 my_sprintf (result, "%-10La %d", 1.75L, 33, 44, 55);
670 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
671 || strcmp (result, "0x3.8p-1 33") == 0
672 || strcmp (result, "0x7p-2 33") == 0
673 || strcmp (result, "0xep-3 33") == 0);
674 ASSERT (retval == strlen (result));
677 { /* FLAG_SHOWSIGN. */
680 my_sprintf (result, "%+La %d", 1.75L, 33, 44, 55);
681 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
682 || strcmp (result, "+0x3.8p-1 33") == 0
683 || strcmp (result, "+0x7p-2 33") == 0
684 || strcmp (result, "+0xep-3 33") == 0);
685 ASSERT (retval == strlen (result));
691 my_sprintf (result, "% La %d", 1.75L, 33, 44, 55);
692 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
693 || strcmp (result, " 0x3.8p-1 33") == 0
694 || strcmp (result, " 0x7p-2 33") == 0
695 || strcmp (result, " 0xep-3 33") == 0);
696 ASSERT (retval == strlen (result));
702 my_sprintf (result, "%#La %d", 1.75L, 33, 44, 55);
703 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
704 || strcmp (result, "0x3.8p-1 33") == 0
705 || strcmp (result, "0x7.p-2 33") == 0
706 || strcmp (result, "0xe.p-3 33") == 0);
707 ASSERT (retval == strlen (result));
713 my_sprintf (result, "%#La %d", 1.0L, 33, 44, 55);
714 ASSERT (strcmp (result, "0x1.p+0 33") == 0
715 || strcmp (result, "0x2.p-1 33") == 0
716 || strcmp (result, "0x4.p-2 33") == 0
717 || strcmp (result, "0x8.p-3 33") == 0);
718 ASSERT (retval == strlen (result));
721 { /* FLAG_ZERO with finite number. */
724 my_sprintf (result, "%010La %d", 1.75L, 33, 44, 55);
725 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
726 || strcmp (result, "0x003.8p-1 33") == 0
727 || strcmp (result, "0x00007p-2 33") == 0
728 || strcmp (result, "0x0000ep-3 33") == 0);
729 ASSERT (retval == strlen (result));
732 { /* FLAG_ZERO with infinite number. */
735 my_sprintf (result, "%010La %d", 1.0L / 0.0L, 33, 44, 55);
736 /* "0000000inf 33" is not a valid result; see
737 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
738 ASSERT (strcmp (result, " inf 33") == 0);
739 ASSERT (retval == strlen (result));
742 { /* FLAG_ZERO with NaN. */
745 my_sprintf (result, "%050La %d", 0.0L / 0.0L, 33, 44, 55);
746 /* "0000000nan 33" is not a valid result; see
747 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
748 ASSERT (strlen (result) == 50 + 3
749 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
750 && strcmp (result + strlen (result) - 3, " 33") == 0);
751 ASSERT (retval == strlen (result));
754 /* Test the support of the %f format directive. */
756 { /* A positive number. */
759 my_sprintf (result, "%f %d", 12.75, 33, 44, 55);
760 ASSERT (strcmp (result, "12.750000 33") == 0);
761 ASSERT (retval == strlen (result));
764 { /* A larger positive number. */
767 my_sprintf (result, "%f %d", 1234567.0, 33, 44, 55);
768 ASSERT (strcmp (result, "1234567.000000 33") == 0);
769 ASSERT (retval == strlen (result));
772 { /* Small and large positive numbers. */
773 static struct { double value; const char *string; } data[] =
775 { 1.234321234321234e-37, "0.000000" },
776 { 1.234321234321234e-36, "0.000000" },
777 { 1.234321234321234e-35, "0.000000" },
778 { 1.234321234321234e-34, "0.000000" },
779 { 1.234321234321234e-33, "0.000000" },
780 { 1.234321234321234e-32, "0.000000" },
781 { 1.234321234321234e-31, "0.000000" },
782 { 1.234321234321234e-30, "0.000000" },
783 { 1.234321234321234e-29, "0.000000" },
784 { 1.234321234321234e-28, "0.000000" },
785 { 1.234321234321234e-27, "0.000000" },
786 { 1.234321234321234e-26, "0.000000" },
787 { 1.234321234321234e-25, "0.000000" },
788 { 1.234321234321234e-24, "0.000000" },
789 { 1.234321234321234e-23, "0.000000" },
790 { 1.234321234321234e-22, "0.000000" },
791 { 1.234321234321234e-21, "0.000000" },
792 { 1.234321234321234e-20, "0.000000" },
793 { 1.234321234321234e-19, "0.000000" },
794 { 1.234321234321234e-18, "0.000000" },
795 { 1.234321234321234e-17, "0.000000" },
796 { 1.234321234321234e-16, "0.000000" },
797 { 1.234321234321234e-15, "0.000000" },
798 { 1.234321234321234e-14, "0.000000" },
799 { 1.234321234321234e-13, "0.000000" },
800 { 1.234321234321234e-12, "0.000000" },
801 { 1.234321234321234e-11, "0.000000" },
802 { 1.234321234321234e-10, "0.000000" },
803 { 1.234321234321234e-9, "0.000000" },
804 { 1.234321234321234e-8, "0.000000" },
805 { 1.234321234321234e-7, "0.000000" },
806 { 1.234321234321234e-6, "0.000001" },
807 { 1.234321234321234e-5, "0.000012" },
808 { 1.234321234321234e-4, "0.000123" },
809 { 1.234321234321234e-3, "0.001234" },
810 { 1.234321234321234e-2, "0.012343" },
811 { 1.234321234321234e-1, "0.123432" },
812 { 1.234321234321234, "1.234321" },
813 { 1.234321234321234e1, "12.343212" },
814 { 1.234321234321234e2, "123.432123" },
815 { 1.234321234321234e3, "1234.321234" },
816 { 1.234321234321234e4, "12343.212343" },
817 { 1.234321234321234e5, "123432.123432" },
818 { 1.234321234321234e6, "1234321.234321" },
819 { 1.234321234321234e7, "12343212.343212" },
820 { 1.234321234321234e8, "123432123.432123" },
821 { 1.234321234321234e9, "1234321234.321234" },
822 { 1.234321234321234e10, "12343212343.2123**" },
823 { 1.234321234321234e11, "123432123432.123***" },
824 { 1.234321234321234e12, "1234321234321.23****" },
825 { 1.234321234321234e13, "12343212343212.3*****" },
826 { 1.234321234321234e14, "123432123432123.******" },
827 { 1.234321234321234e15, "1234321234321234.000000" },
828 { 1.234321234321234e16, "123432123432123**.000000" },
829 { 1.234321234321234e17, "123432123432123***.000000" },
830 { 1.234321234321234e18, "123432123432123****.000000" },
831 { 1.234321234321234e19, "123432123432123*****.000000" },
832 { 1.234321234321234e20, "123432123432123******.000000" },
833 { 1.234321234321234e21, "123432123432123*******.000000" },
834 { 1.234321234321234e22, "123432123432123********.000000" },
835 { 1.234321234321234e23, "123432123432123*********.000000" },
836 { 1.234321234321234e24, "123432123432123**********.000000" },
837 { 1.234321234321234e25, "123432123432123***********.000000" },
838 { 1.234321234321234e26, "123432123432123************.000000" },
839 { 1.234321234321234e27, "123432123432123*************.000000" },
840 { 1.234321234321234e28, "123432123432123**************.000000" },
841 { 1.234321234321234e29, "123432123432123***************.000000" },
842 { 1.234321234321234e30, "123432123432123****************.000000" },
843 { 1.234321234321234e31, "123432123432123*****************.000000" },
844 { 1.234321234321234e32, "123432123432123******************.000000" },
845 { 1.234321234321234e33, "123432123432123*******************.000000" },
846 { 1.234321234321234e34, "123432123432123********************.000000" },
847 { 1.234321234321234e35, "123432123432123*********************.000000" },
848 { 1.234321234321234e36, "123432123432123**********************.000000" }
851 for (k = 0; k < SIZEOF (data); k++)
855 my_sprintf (result, "%f", data[k].value);
856 ASSERT (strmatch (data[k].string, result));
857 ASSERT (retval == strlen (result));
861 { /* A negative number. */
864 my_sprintf (result, "%f %d", -0.03125, 33, 44, 55);
865 ASSERT (strcmp (result, "-0.031250 33") == 0);
866 ASSERT (retval == strlen (result));
869 { /* Positive zero. */
872 my_sprintf (result, "%f %d", 0.0, 33, 44, 55);
873 ASSERT (strcmp (result, "0.000000 33") == 0);
874 ASSERT (retval == strlen (result));
877 { /* Negative zero. */
880 my_sprintf (result, "%f %d", -0.0, 33, 44, 55);
881 if (have_minus_zero ())
882 ASSERT (strcmp (result, "-0.000000 33") == 0);
883 ASSERT (retval == strlen (result));
886 { /* Positive infinity. */
889 my_sprintf (result, "%f %d", 1.0 / 0.0, 33, 44, 55);
890 ASSERT (strcmp (result, "inf 33") == 0
891 || strcmp (result, "infinity 33") == 0);
892 ASSERT (retval == strlen (result));
895 { /* Negative infinity. */
898 my_sprintf (result, "%f %d", -1.0 / 0.0, 33, 44, 55);
899 ASSERT (strcmp (result, "-inf 33") == 0
900 || strcmp (result, "-infinity 33") == 0);
901 ASSERT (retval == strlen (result));
907 my_sprintf (result, "%f %d", NaN (), 33, 44, 55);
908 ASSERT (strlen (result) >= 3 + 3
909 && strisnan (result, 0, strlen (result) - 3, 0)
910 && strcmp (result + strlen (result) - 3, " 33") == 0);
911 ASSERT (retval == strlen (result));
917 my_sprintf (result, "%10f %d", 1.75, 33, 44, 55);
918 ASSERT (strcmp (result, " 1.750000 33") == 0);
919 ASSERT (retval == strlen (result));
925 my_sprintf (result, "%-10f %d", 1.75, 33, 44, 55);
926 ASSERT (strcmp (result, "1.750000 33") == 0);
927 ASSERT (retval == strlen (result));
930 { /* FLAG_SHOWSIGN. */
933 my_sprintf (result, "%+f %d", 1.75, 33, 44, 55);
934 ASSERT (strcmp (result, "+1.750000 33") == 0);
935 ASSERT (retval == strlen (result));
941 my_sprintf (result, "% f %d", 1.75, 33, 44, 55);
942 ASSERT (strcmp (result, " 1.750000 33") == 0);
943 ASSERT (retval == strlen (result));
949 my_sprintf (result, "%#f %d", 1.75, 33, 44, 55);
950 ASSERT (strcmp (result, "1.750000 33") == 0);
951 ASSERT (retval == strlen (result));
957 my_sprintf (result, "%#.f %d", 1.75, 33, 44, 55);
958 ASSERT (strcmp (result, "2. 33") == 0);
959 ASSERT (retval == strlen (result));
962 { /* FLAG_ZERO with finite number. */
965 my_sprintf (result, "%015f %d", 1234.0, 33, 44, 55);
966 ASSERT (strcmp (result, "00001234.000000 33") == 0);
967 ASSERT (retval == strlen (result));
970 { /* FLAG_ZERO with infinite number. */
973 my_sprintf (result, "%015f %d", -1.0 / 0.0, 33, 44, 55);
974 ASSERT (strcmp (result, " -inf 33") == 0
975 || strcmp (result, " -infinity 33") == 0);
976 ASSERT (retval == strlen (result));
979 { /* FLAG_ZERO with NaN. */
982 my_sprintf (result, "%050f %d", NaN (), 33, 44, 55);
983 ASSERT (strlen (result) == 50 + 3
984 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
985 && strcmp (result + strlen (result) - 3, " 33") == 0);
986 ASSERT (retval == strlen (result));
992 my_sprintf (result, "%.f %d", 1234.0, 33, 44, 55);
993 ASSERT (strcmp (result, "1234 33") == 0);
994 ASSERT (retval == strlen (result));
997 { /* A positive number. */
1000 my_sprintf (result, "%Lf %d", 12.75L, 33, 44, 55);
1001 ASSERT (strcmp (result, "12.750000 33") == 0);
1002 ASSERT (retval == strlen (result));
1005 { /* A larger positive number. */
1008 my_sprintf (result, "%Lf %d", 1234567.0L, 33, 44, 55);
1009 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1010 ASSERT (retval == strlen (result));
1013 { /* Small and large positive numbers. */
1014 static struct { long double value; const char *string; } data[] =
1016 { 1.234321234321234e-37L, "0.000000" },
1017 { 1.234321234321234e-36L, "0.000000" },
1018 { 1.234321234321234e-35L, "0.000000" },
1019 { 1.234321234321234e-34L, "0.000000" },
1020 { 1.234321234321234e-33L, "0.000000" },
1021 { 1.234321234321234e-32L, "0.000000" },
1022 { 1.234321234321234e-31L, "0.000000" },
1023 { 1.234321234321234e-30L, "0.000000" },
1024 { 1.234321234321234e-29L, "0.000000" },
1025 { 1.234321234321234e-28L, "0.000000" },
1026 { 1.234321234321234e-27L, "0.000000" },
1027 { 1.234321234321234e-26L, "0.000000" },
1028 { 1.234321234321234e-25L, "0.000000" },
1029 { 1.234321234321234e-24L, "0.000000" },
1030 { 1.234321234321234e-23L, "0.000000" },
1031 { 1.234321234321234e-22L, "0.000000" },
1032 { 1.234321234321234e-21L, "0.000000" },
1033 { 1.234321234321234e-20L, "0.000000" },
1034 { 1.234321234321234e-19L, "0.000000" },
1035 { 1.234321234321234e-18L, "0.000000" },
1036 { 1.234321234321234e-17L, "0.000000" },
1037 { 1.234321234321234e-16L, "0.000000" },
1038 { 1.234321234321234e-15L, "0.000000" },
1039 { 1.234321234321234e-14L, "0.000000" },
1040 { 1.234321234321234e-13L, "0.000000" },
1041 { 1.234321234321234e-12L, "0.000000" },
1042 { 1.234321234321234e-11L, "0.000000" },
1043 { 1.234321234321234e-10L, "0.000000" },
1044 { 1.234321234321234e-9L, "0.000000" },
1045 { 1.234321234321234e-8L, "0.000000" },
1046 { 1.234321234321234e-7L, "0.000000" },
1047 { 1.234321234321234e-6L, "0.000001" },
1048 { 1.234321234321234e-5L, "0.000012" },
1049 { 1.234321234321234e-4L, "0.000123" },
1050 { 1.234321234321234e-3L, "0.001234" },
1051 { 1.234321234321234e-2L, "0.012343" },
1052 { 1.234321234321234e-1L, "0.123432" },
1053 { 1.234321234321234L, "1.234321" },
1054 { 1.234321234321234e1L, "12.343212" },
1055 { 1.234321234321234e2L, "123.432123" },
1056 { 1.234321234321234e3L, "1234.321234" },
1057 { 1.234321234321234e4L, "12343.212343" },
1058 { 1.234321234321234e5L, "123432.123432" },
1059 { 1.234321234321234e6L, "1234321.234321" },
1060 { 1.234321234321234e7L, "12343212.343212" },
1061 { 1.234321234321234e8L, "123432123.432123" },
1062 { 1.234321234321234e9L, "1234321234.321234" },
1063 { 1.234321234321234e10L, "12343212343.2123**" },
1064 { 1.234321234321234e11L, "123432123432.123***" },
1065 { 1.234321234321234e12L, "1234321234321.23****" },
1066 { 1.234321234321234e13L, "12343212343212.3*****" },
1067 { 1.234321234321234e14L, "123432123432123.******" },
1068 { 1.234321234321234e15L, "1234321234321234.000000" },
1069 { 1.234321234321234e16L, "123432123432123**.000000" },
1070 { 1.234321234321234e17L, "123432123432123***.000000" },
1071 { 1.234321234321234e18L, "123432123432123****.000000" },
1072 { 1.234321234321234e19L, "123432123432123*****.000000" },
1073 { 1.234321234321234e20L, "123432123432123******.000000" },
1074 { 1.234321234321234e21L, "123432123432123*******.000000" },
1075 { 1.234321234321234e22L, "123432123432123********.000000" },
1076 { 1.234321234321234e23L, "123432123432123*********.000000" },
1077 { 1.234321234321234e24L, "123432123432123**********.000000" },
1078 { 1.234321234321234e25L, "123432123432123***********.000000" },
1079 { 1.234321234321234e26L, "123432123432123************.000000" },
1080 { 1.234321234321234e27L, "123432123432123*************.000000" },
1081 { 1.234321234321234e28L, "123432123432123**************.000000" },
1082 { 1.234321234321234e29L, "123432123432123***************.000000" },
1083 { 1.234321234321234e30L, "123432123432123****************.000000" },
1084 { 1.234321234321234e31L, "123432123432123*****************.000000" },
1085 { 1.234321234321234e32L, "123432123432123******************.000000" },
1086 { 1.234321234321234e33L, "123432123432123*******************.000000" },
1087 { 1.234321234321234e34L, "123432123432123********************.000000" },
1088 { 1.234321234321234e35L, "123432123432123*********************.000000" },
1089 { 1.234321234321234e36L, "123432123432123**********************.000000" }
1092 for (k = 0; k < SIZEOF (data); k++)
1096 my_sprintf (result, "%Lf", data[k].value);
1097 ASSERT (strmatch (data[k].string, result));
1098 ASSERT (retval == strlen (result));
1102 { /* A negative number. */
1105 my_sprintf (result, "%Lf %d", -0.03125L, 33, 44, 55);
1106 ASSERT (strcmp (result, "-0.031250 33") == 0);
1107 ASSERT (retval == strlen (result));
1110 { /* Positive zero. */
1113 my_sprintf (result, "%Lf %d", 0.0L, 33, 44, 55);
1114 ASSERT (strcmp (result, "0.000000 33") == 0);
1115 ASSERT (retval == strlen (result));
1118 { /* Negative zero. */
1121 my_sprintf (result, "%Lf %d", -0.0L, 33, 44, 55);
1122 if (have_minus_zero ())
1123 ASSERT (strcmp (result, "-0.000000 33") == 0);
1124 ASSERT (retval == strlen (result));
1127 { /* Positive infinity. */
1130 my_sprintf (result, "%Lf %d", 1.0L / 0.0L, 33, 44, 55);
1131 ASSERT (strcmp (result, "inf 33") == 0
1132 || strcmp (result, "infinity 33") == 0);
1133 ASSERT (retval == strlen (result));
1136 { /* Negative infinity. */
1139 my_sprintf (result, "%Lf %d", -1.0L / 0.0L, 33, 44, 55);
1140 ASSERT (strcmp (result, "-inf 33") == 0
1141 || strcmp (result, "-infinity 33") == 0);
1142 ASSERT (retval == strlen (result));
1146 static long double zero = 0.0L;
1149 my_sprintf (result, "%Lf %d", zero / zero, 33, 44, 55);
1150 ASSERT (strlen (result) >= 3 + 3
1151 && strisnan (result, 0, strlen (result) - 3, 0)
1152 && strcmp (result + strlen (result) - 3, " 33") == 0);
1153 ASSERT (retval == strlen (result));
1155 #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_))
1157 static union { unsigned int word[4]; long double value; } x =
1158 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
1161 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1162 ASSERT (strlen (result) >= 3 + 3
1163 && strisnan (result, 0, strlen (result) - 3, 0)
1164 && strcmp (result + strlen (result) - 3, " 33") == 0);
1165 ASSERT (retval == strlen (result));
1168 /* Signalling NaN. */
1169 static union { unsigned int word[4]; long double value; } x =
1170 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
1173 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1174 ASSERT (strlen (result) >= 3 + 3
1175 && strisnan (result, 0, strlen (result) - 3, 0)
1176 && strcmp (result + strlen (result) - 3, " 33") == 0);
1177 ASSERT (retval == strlen (result));
1179 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
1180 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
1181 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
1182 Application Architecture.
1183 Table 5-2 "Floating-Point Register Encodings"
1184 Figure 5-6 "Memory to Floating-Point Register Data Translation"
1187 static union { unsigned int word[4]; long double value; } x =
1188 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
1191 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1192 ASSERT (strlen (result) >= 3 + 3
1193 && strisnan (result, 0, strlen (result) - 3, 0)
1194 && strcmp (result + strlen (result) - 3, " 33") == 0);
1195 ASSERT (retval == strlen (result));
1197 { /* Pseudo-Infinity. */
1198 static union { unsigned int word[4]; long double value; } x =
1199 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
1202 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1203 ASSERT (strlen (result) >= 3 + 3
1204 && strisnan (result, 0, strlen (result) - 3, 0)
1205 && strcmp (result + strlen (result) - 3, " 33") == 0);
1206 ASSERT (retval == strlen (result));
1208 { /* Pseudo-Zero. */
1209 static union { unsigned int word[4]; long double value; } x =
1210 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
1213 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1214 ASSERT (strlen (result) >= 3 + 3
1215 && strisnan (result, 0, strlen (result) - 3, 0)
1216 && strcmp (result + strlen (result) - 3, " 33") == 0);
1217 ASSERT (retval == strlen (result));
1219 { /* Unnormalized number. */
1220 static union { unsigned int word[4]; long double value; } x =
1221 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
1224 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1225 ASSERT (strlen (result) >= 3 + 3
1226 && strisnan (result, 0, strlen (result) - 3, 0)
1227 && strcmp (result + strlen (result) - 3, " 33") == 0);
1228 ASSERT (retval == strlen (result));
1230 { /* Pseudo-Denormal. */
1231 static union { unsigned int word[4]; long double value; } x =
1232 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
1235 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1236 ASSERT (strlen (result) >= 3 + 3
1237 && strisnan (result, 0, strlen (result) - 3, 0)
1238 && strcmp (result + strlen (result) - 3, " 33") == 0);
1239 ASSERT (retval == strlen (result));
1246 my_sprintf (result, "%10Lf %d", 1.75L, 33, 44, 55);
1247 ASSERT (strcmp (result, " 1.750000 33") == 0);
1248 ASSERT (retval == strlen (result));
1254 my_sprintf (result, "%-10Lf %d", 1.75L, 33, 44, 55);
1255 ASSERT (strcmp (result, "1.750000 33") == 0);
1256 ASSERT (retval == strlen (result));
1259 { /* FLAG_SHOWSIGN. */
1262 my_sprintf (result, "%+Lf %d", 1.75L, 33, 44, 55);
1263 ASSERT (strcmp (result, "+1.750000 33") == 0);
1264 ASSERT (retval == strlen (result));
1270 my_sprintf (result, "% Lf %d", 1.75L, 33, 44, 55);
1271 ASSERT (strcmp (result, " 1.750000 33") == 0);
1272 ASSERT (retval == strlen (result));
1278 my_sprintf (result, "%#Lf %d", 1.75L, 33, 44, 55);
1279 ASSERT (strcmp (result, "1.750000 33") == 0);
1280 ASSERT (retval == strlen (result));
1286 my_sprintf (result, "%#.Lf %d", 1.75L, 33, 44, 55);
1287 ASSERT (strcmp (result, "2. 33") == 0);
1288 ASSERT (retval == strlen (result));
1291 { /* FLAG_ZERO with finite number. */
1294 my_sprintf (result, "%015Lf %d", 1234.0L, 33, 44, 55);
1295 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1296 ASSERT (retval == strlen (result));
1299 { /* FLAG_ZERO with infinite number. */
1302 my_sprintf (result, "%015Lf %d", -1.0L / 0.0L, 33, 44, 55);
1303 ASSERT (strcmp (result, " -inf 33") == 0
1304 || strcmp (result, " -infinity 33") == 0);
1305 ASSERT (retval == strlen (result));
1308 { /* FLAG_ZERO with NaN. */
1309 static long double zero = 0.0L;
1312 my_sprintf (result, "%050Lf %d", zero / zero, 33, 44, 55);
1313 ASSERT (strlen (result) == 50 + 3
1314 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1315 && strcmp (result + strlen (result) - 3, " 33") == 0);
1316 ASSERT (retval == strlen (result));
1322 my_sprintf (result, "%.Lf %d", 1234.0L, 33, 44, 55);
1323 ASSERT (strcmp (result, "1234 33") == 0);
1324 ASSERT (retval == strlen (result));
1327 /* Test the support of the %F format directive. */
1329 { /* A positive number. */
1332 my_sprintf (result, "%F %d", 12.75, 33, 44, 55);
1333 ASSERT (strcmp (result, "12.750000 33") == 0);
1334 ASSERT (retval == strlen (result));
1337 { /* A larger positive number. */
1340 my_sprintf (result, "%F %d", 1234567.0, 33, 44, 55);
1341 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1342 ASSERT (retval == strlen (result));
1345 { /* A negative number. */
1348 my_sprintf (result, "%F %d", -0.03125, 33, 44, 55);
1349 ASSERT (strcmp (result, "-0.031250 33") == 0);
1350 ASSERT (retval == strlen (result));
1353 { /* Positive zero. */
1356 my_sprintf (result, "%F %d", 0.0, 33, 44, 55);
1357 ASSERT (strcmp (result, "0.000000 33") == 0);
1358 ASSERT (retval == strlen (result));
1361 { /* Negative zero. */
1364 my_sprintf (result, "%F %d", -0.0, 33, 44, 55);
1365 if (have_minus_zero ())
1366 ASSERT (strcmp (result, "-0.000000 33") == 0);
1367 ASSERT (retval == strlen (result));
1370 { /* Positive infinity. */
1373 my_sprintf (result, "%F %d", 1.0 / 0.0, 33, 44, 55);
1374 ASSERT (strcmp (result, "INF 33") == 0
1375 || strcmp (result, "INFINITY 33") == 0);
1376 ASSERT (retval == strlen (result));
1379 { /* Negative infinity. */
1382 my_sprintf (result, "%F %d", -1.0 / 0.0, 33, 44, 55);
1383 ASSERT (strcmp (result, "-INF 33") == 0
1384 || strcmp (result, "-INFINITY 33") == 0);
1385 ASSERT (retval == strlen (result));
1391 my_sprintf (result, "%F %d", NaN (), 33, 44, 55);
1392 ASSERT (strlen (result) >= 3 + 3
1393 && strisnan (result, 0, strlen (result) - 3, 1)
1394 && strcmp (result + strlen (result) - 3, " 33") == 0);
1395 ASSERT (retval == strlen (result));
1401 my_sprintf (result, "%015F %d", 1234.0, 33, 44, 55);
1402 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1403 ASSERT (retval == strlen (result));
1406 { /* FLAG_ZERO with infinite number. */
1409 my_sprintf (result, "%015F %d", -1.0 / 0.0, 33, 44, 55);
1410 ASSERT (strcmp (result, " -INF 33") == 0
1411 || strcmp (result, " -INFINITY 33") == 0);
1412 ASSERT (retval == strlen (result));
1418 my_sprintf (result, "%.F %d", 1234.0, 33, 44, 55);
1419 ASSERT (strcmp (result, "1234 33") == 0);
1420 ASSERT (retval == strlen (result));
1423 { /* A positive number. */
1426 my_sprintf (result, "%LF %d", 12.75L, 33, 44, 55);
1427 ASSERT (strcmp (result, "12.750000 33") == 0);
1428 ASSERT (retval == strlen (result));
1431 { /* A larger positive number. */
1434 my_sprintf (result, "%LF %d", 1234567.0L, 33, 44, 55);
1435 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1436 ASSERT (retval == strlen (result));
1439 { /* A negative number. */
1442 my_sprintf (result, "%LF %d", -0.03125L, 33, 44, 55);
1443 ASSERT (strcmp (result, "-0.031250 33") == 0);
1444 ASSERT (retval == strlen (result));
1447 { /* Positive zero. */
1450 my_sprintf (result, "%LF %d", 0.0L, 33, 44, 55);
1451 ASSERT (strcmp (result, "0.000000 33") == 0);
1452 ASSERT (retval == strlen (result));
1455 { /* Negative zero. */
1458 my_sprintf (result, "%LF %d", -0.0L, 33, 44, 55);
1459 if (have_minus_zero ())
1460 ASSERT (strcmp (result, "-0.000000 33") == 0);
1461 ASSERT (retval == strlen (result));
1464 { /* Positive infinity. */
1467 my_sprintf (result, "%LF %d", 1.0L / 0.0L, 33, 44, 55);
1468 ASSERT (strcmp (result, "INF 33") == 0
1469 || strcmp (result, "INFINITY 33") == 0);
1470 ASSERT (retval == strlen (result));
1473 { /* Negative infinity. */
1476 my_sprintf (result, "%LF %d", -1.0L / 0.0L, 33, 44, 55);
1477 ASSERT (strcmp (result, "-INF 33") == 0
1478 || strcmp (result, "-INFINITY 33") == 0);
1479 ASSERT (retval == strlen (result));
1483 static long double zero = 0.0L;
1486 my_sprintf (result, "%LF %d", zero / zero, 33, 44, 55);
1487 ASSERT (strlen (result) >= 3 + 3
1488 && strisnan (result, 0, strlen (result) - 3, 1)
1489 && strcmp (result + strlen (result) - 3, " 33") == 0);
1490 ASSERT (retval == strlen (result));
1496 my_sprintf (result, "%015LF %d", 1234.0L, 33, 44, 55);
1497 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1498 ASSERT (retval == strlen (result));
1501 { /* FLAG_ZERO with infinite number. */
1504 my_sprintf (result, "%015LF %d", -1.0L / 0.0L, 33, 44, 55);
1505 ASSERT (strcmp (result, " -INF 33") == 0
1506 || strcmp (result, " -INFINITY 33") == 0);
1507 ASSERT (retval == strlen (result));
1513 my_sprintf (result, "%.LF %d", 1234.0L, 33, 44, 55);
1514 ASSERT (strcmp (result, "1234 33") == 0);
1515 ASSERT (retval == strlen (result));
1518 /* Test the support of the %e format directive. */
1520 { /* A positive number. */
1523 my_sprintf (result, "%e %d", 12.75, 33, 44, 55);
1524 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1525 || strcmp (result, "1.275000e+001 33") == 0);
1526 ASSERT (retval == strlen (result));
1529 { /* A larger positive number. */
1532 my_sprintf (result, "%e %d", 1234567.0, 33, 44, 55);
1533 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1534 || strcmp (result, "1.234567e+006 33") == 0);
1535 ASSERT (retval == strlen (result));
1538 { /* Small and large positive numbers. */
1539 static struct { double value; const char *string; } data[] =
1541 { 1.234321234321234e-37, "1.234321e-37" },
1542 { 1.234321234321234e-36, "1.234321e-36" },
1543 { 1.234321234321234e-35, "1.234321e-35" },
1544 { 1.234321234321234e-34, "1.234321e-34" },
1545 { 1.234321234321234e-33, "1.234321e-33" },
1546 { 1.234321234321234e-32, "1.234321e-32" },
1547 { 1.234321234321234e-31, "1.234321e-31" },
1548 { 1.234321234321234e-30, "1.234321e-30" },
1549 { 1.234321234321234e-29, "1.234321e-29" },
1550 { 1.234321234321234e-28, "1.234321e-28" },
1551 { 1.234321234321234e-27, "1.234321e-27" },
1552 { 1.234321234321234e-26, "1.234321e-26" },
1553 { 1.234321234321234e-25, "1.234321e-25" },
1554 { 1.234321234321234e-24, "1.234321e-24" },
1555 { 1.234321234321234e-23, "1.234321e-23" },
1556 { 1.234321234321234e-22, "1.234321e-22" },
1557 { 1.234321234321234e-21, "1.234321e-21" },
1558 { 1.234321234321234e-20, "1.234321e-20" },
1559 { 1.234321234321234e-19, "1.234321e-19" },
1560 { 1.234321234321234e-18, "1.234321e-18" },
1561 { 1.234321234321234e-17, "1.234321e-17" },
1562 { 1.234321234321234e-16, "1.234321e-16" },
1563 { 1.234321234321234e-15, "1.234321e-15" },
1564 { 1.234321234321234e-14, "1.234321e-14" },
1565 { 1.234321234321234e-13, "1.234321e-13" },
1566 { 1.234321234321234e-12, "1.234321e-12" },
1567 { 1.234321234321234e-11, "1.234321e-11" },
1568 { 1.234321234321234e-10, "1.234321e-10" },
1569 { 1.234321234321234e-9, "1.234321e-09" },
1570 { 1.234321234321234e-8, "1.234321e-08" },
1571 { 1.234321234321234e-7, "1.234321e-07" },
1572 { 1.234321234321234e-6, "1.234321e-06" },
1573 { 1.234321234321234e-5, "1.234321e-05" },
1574 { 1.234321234321234e-4, "1.234321e-04" },
1575 { 1.234321234321234e-3, "1.234321e-03" },
1576 { 1.234321234321234e-2, "1.234321e-02" },
1577 { 1.234321234321234e-1, "1.234321e-01" },
1578 { 1.234321234321234, "1.234321e+00" },
1579 { 1.234321234321234e1, "1.234321e+01" },
1580 { 1.234321234321234e2, "1.234321e+02" },
1581 { 1.234321234321234e3, "1.234321e+03" },
1582 { 1.234321234321234e4, "1.234321e+04" },
1583 { 1.234321234321234e5, "1.234321e+05" },
1584 { 1.234321234321234e6, "1.234321e+06" },
1585 { 1.234321234321234e7, "1.234321e+07" },
1586 { 1.234321234321234e8, "1.234321e+08" },
1587 { 1.234321234321234e9, "1.234321e+09" },
1588 { 1.234321234321234e10, "1.234321e+10" },
1589 { 1.234321234321234e11, "1.234321e+11" },
1590 { 1.234321234321234e12, "1.234321e+12" },
1591 { 1.234321234321234e13, "1.234321e+13" },
1592 { 1.234321234321234e14, "1.234321e+14" },
1593 { 1.234321234321234e15, "1.234321e+15" },
1594 { 1.234321234321234e16, "1.234321e+16" },
1595 { 1.234321234321234e17, "1.234321e+17" },
1596 { 1.234321234321234e18, "1.234321e+18" },
1597 { 1.234321234321234e19, "1.234321e+19" },
1598 { 1.234321234321234e20, "1.234321e+20" },
1599 { 1.234321234321234e21, "1.234321e+21" },
1600 { 1.234321234321234e22, "1.234321e+22" },
1601 { 1.234321234321234e23, "1.234321e+23" },
1602 { 1.234321234321234e24, "1.234321e+24" },
1603 { 1.234321234321234e25, "1.234321e+25" },
1604 { 1.234321234321234e26, "1.234321e+26" },
1605 { 1.234321234321234e27, "1.234321e+27" },
1606 { 1.234321234321234e28, "1.234321e+28" },
1607 { 1.234321234321234e29, "1.234321e+29" },
1608 { 1.234321234321234e30, "1.234321e+30" },
1609 { 1.234321234321234e31, "1.234321e+31" },
1610 { 1.234321234321234e32, "1.234321e+32" },
1611 { 1.234321234321234e33, "1.234321e+33" },
1612 { 1.234321234321234e34, "1.234321e+34" },
1613 { 1.234321234321234e35, "1.234321e+35" },
1614 { 1.234321234321234e36, "1.234321e+36" }
1617 for (k = 0; k < SIZEOF (data); k++)
1621 my_sprintf (result, "%e", data[k].value);
1622 const char *expected = data[k].string;
1623 ASSERT (result != NULL);
1624 ASSERT (strcmp (result, expected) == 0
1625 /* Some implementations produce exponents with 3 digits. */
1626 || (strlen (result) == strlen (expected) + 1
1627 && memcmp (result, expected, strlen (expected) - 2) == 0
1628 && result[strlen (expected) - 2] == '0'
1629 && strcmp (result + strlen (expected) - 1,
1630 expected + strlen (expected) - 2)
1632 ASSERT (retval == strlen (result));
1636 { /* A negative number. */
1639 my_sprintf (result, "%e %d", -0.03125, 33, 44, 55);
1640 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
1641 || strcmp (result, "-3.125000e-002 33") == 0);
1642 ASSERT (retval == strlen (result));
1645 { /* Positive zero. */
1648 my_sprintf (result, "%e %d", 0.0, 33, 44, 55);
1649 ASSERT (strcmp (result, "0.000000e+00 33") == 0
1650 || strcmp (result, "0.000000e+000 33") == 0);
1651 ASSERT (retval == strlen (result));
1654 { /* Negative zero. */
1657 my_sprintf (result, "%e %d", -0.0, 33, 44, 55);
1658 if (have_minus_zero ())
1659 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
1660 || strcmp (result, "-0.000000e+000 33") == 0);
1661 ASSERT (retval == strlen (result));
1664 { /* Positive infinity. */
1667 my_sprintf (result, "%e %d", 1.0 / 0.0, 33, 44, 55);
1668 ASSERT (strcmp (result, "inf 33") == 0
1669 || strcmp (result, "infinity 33") == 0);
1670 ASSERT (retval == strlen (result));
1673 { /* Negative infinity. */
1676 my_sprintf (result, "%e %d", -1.0 / 0.0, 33, 44, 55);
1677 ASSERT (strcmp (result, "-inf 33") == 0
1678 || strcmp (result, "-infinity 33") == 0);
1679 ASSERT (retval == strlen (result));
1685 my_sprintf (result, "%e %d", NaN (), 33, 44, 55);
1686 ASSERT (strlen (result) >= 3 + 3
1687 && strisnan (result, 0, strlen (result) - 3, 0)
1688 && strcmp (result + strlen (result) - 3, " 33") == 0);
1689 ASSERT (retval == strlen (result));
1695 my_sprintf (result, "%15e %d", 1.75, 33, 44, 55);
1696 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1697 || strcmp (result, " 1.750000e+000 33") == 0);
1698 ASSERT (retval == strlen (result));
1704 my_sprintf (result, "%-15e %d", 1.75, 33, 44, 55);
1705 ASSERT (strcmp (result, "1.750000e+00 33") == 0
1706 || strcmp (result, "1.750000e+000 33") == 0);
1707 ASSERT (retval == strlen (result));
1710 { /* FLAG_SHOWSIGN. */
1713 my_sprintf (result, "%+e %d", 1.75, 33, 44, 55);
1714 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
1715 || strcmp (result, "+1.750000e+000 33") == 0);
1716 ASSERT (retval == strlen (result));
1722 my_sprintf (result, "% e %d", 1.75, 33, 44, 55);
1723 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1724 || strcmp (result, " 1.750000e+000 33") == 0);
1725 ASSERT (retval == strlen (result));
1731 my_sprintf (result, "%#e %d", 1.75, 33, 44, 55);
1732 ASSERT (strcmp (result, "1.750000e+00 33") == 0
1733 || strcmp (result, "1.750000e+000 33") == 0);
1734 ASSERT (retval == strlen (result));
1740 my_sprintf (result, "%#.e %d", 1.75, 33, 44, 55);
1741 ASSERT (strcmp (result, "2.e+00 33") == 0
1742 || strcmp (result, "2.e+000 33") == 0);
1743 ASSERT (retval == strlen (result));
1749 my_sprintf (result, "%#.e %d", 9.75, 33, 44, 55);
1750 ASSERT (strcmp (result, "1.e+01 33") == 0
1751 || strcmp (result, "1.e+001 33") == 0);
1752 ASSERT (retval == strlen (result));
1755 { /* FLAG_ZERO with finite number. */
1758 my_sprintf (result, "%015e %d", 1234.0, 33, 44, 55);
1759 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
1760 || strcmp (result, "001.234000e+003 33") == 0);
1761 ASSERT (retval == strlen (result));
1764 { /* FLAG_ZERO with infinite number. */
1767 my_sprintf (result, "%015e %d", -1.0 / 0.0, 33, 44, 55);
1768 ASSERT (strcmp (result, " -inf 33") == 0
1769 || strcmp (result, " -infinity 33") == 0);
1770 ASSERT (retval == strlen (result));
1773 { /* FLAG_ZERO with NaN. */
1776 my_sprintf (result, "%050e %d", NaN (), 33, 44, 55);
1777 ASSERT (strlen (result) == 50 + 3
1778 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1779 && strcmp (result + strlen (result) - 3, " 33") == 0);
1780 ASSERT (retval == strlen (result));
1786 my_sprintf (result, "%.e %d", 1234.0, 33, 44, 55);
1787 ASSERT (strcmp (result, "1e+03 33") == 0
1788 || strcmp (result, "1e+003 33") == 0);
1789 ASSERT (retval == strlen (result));
1792 { /* A positive number. */
1795 my_sprintf (result, "%Le %d", 12.75L, 33, 44, 55);
1796 ASSERT (strcmp (result, "1.275000e+01 33") == 0);
1797 ASSERT (retval == strlen (result));
1800 { /* A larger positive number. */
1803 my_sprintf (result, "%Le %d", 1234567.0L, 33, 44, 55);
1804 ASSERT (strcmp (result, "1.234567e+06 33") == 0);
1805 ASSERT (retval == strlen (result));
1808 { /* Small and large positive numbers. */
1809 static struct { long double value; const char *string; } data[] =
1811 { 1.234321234321234e-37L, "1.234321e-37" },
1812 { 1.234321234321234e-36L, "1.234321e-36" },
1813 { 1.234321234321234e-35L, "1.234321e-35" },
1814 { 1.234321234321234e-34L, "1.234321e-34" },
1815 { 1.234321234321234e-33L, "1.234321e-33" },
1816 { 1.234321234321234e-32L, "1.234321e-32" },
1817 { 1.234321234321234e-31L, "1.234321e-31" },
1818 { 1.234321234321234e-30L, "1.234321e-30" },
1819 { 1.234321234321234e-29L, "1.234321e-29" },
1820 { 1.234321234321234e-28L, "1.234321e-28" },
1821 { 1.234321234321234e-27L, "1.234321e-27" },
1822 { 1.234321234321234e-26L, "1.234321e-26" },
1823 { 1.234321234321234e-25L, "1.234321e-25" },
1824 { 1.234321234321234e-24L, "1.234321e-24" },
1825 { 1.234321234321234e-23L, "1.234321e-23" },
1826 { 1.234321234321234e-22L, "1.234321e-22" },
1827 { 1.234321234321234e-21L, "1.234321e-21" },
1828 { 1.234321234321234e-20L, "1.234321e-20" },
1829 { 1.234321234321234e-19L, "1.234321e-19" },
1830 { 1.234321234321234e-18L, "1.234321e-18" },
1831 { 1.234321234321234e-17L, "1.234321e-17" },
1832 { 1.234321234321234e-16L, "1.234321e-16" },
1833 { 1.234321234321234e-15L, "1.234321e-15" },
1834 { 1.234321234321234e-14L, "1.234321e-14" },
1835 { 1.234321234321234e-13L, "1.234321e-13" },
1836 { 1.234321234321234e-12L, "1.234321e-12" },
1837 { 1.234321234321234e-11L, "1.234321e-11" },
1838 { 1.234321234321234e-10L, "1.234321e-10" },
1839 { 1.234321234321234e-9L, "1.234321e-09" },
1840 { 1.234321234321234e-8L, "1.234321e-08" },
1841 { 1.234321234321234e-7L, "1.234321e-07" },
1842 { 1.234321234321234e-6L, "1.234321e-06" },
1843 { 1.234321234321234e-5L, "1.234321e-05" },
1844 { 1.234321234321234e-4L, "1.234321e-04" },
1845 { 1.234321234321234e-3L, "1.234321e-03" },
1846 { 1.234321234321234e-2L, "1.234321e-02" },
1847 { 1.234321234321234e-1L, "1.234321e-01" },
1848 { 1.234321234321234L, "1.234321e+00" },
1849 { 1.234321234321234e1L, "1.234321e+01" },
1850 { 1.234321234321234e2L, "1.234321e+02" },
1851 { 1.234321234321234e3L, "1.234321e+03" },
1852 { 1.234321234321234e4L, "1.234321e+04" },
1853 { 1.234321234321234e5L, "1.234321e+05" },
1854 { 1.234321234321234e6L, "1.234321e+06" },
1855 { 1.234321234321234e7L, "1.234321e+07" },
1856 { 1.234321234321234e8L, "1.234321e+08" },
1857 { 1.234321234321234e9L, "1.234321e+09" },
1858 { 1.234321234321234e10L, "1.234321e+10" },
1859 { 1.234321234321234e11L, "1.234321e+11" },
1860 { 1.234321234321234e12L, "1.234321e+12" },
1861 { 1.234321234321234e13L, "1.234321e+13" },
1862 { 1.234321234321234e14L, "1.234321e+14" },
1863 { 1.234321234321234e15L, "1.234321e+15" },
1864 { 1.234321234321234e16L, "1.234321e+16" },
1865 { 1.234321234321234e17L, "1.234321e+17" },
1866 { 1.234321234321234e18L, "1.234321e+18" },
1867 { 1.234321234321234e19L, "1.234321e+19" },
1868 { 1.234321234321234e20L, "1.234321e+20" },
1869 { 1.234321234321234e21L, "1.234321e+21" },
1870 { 1.234321234321234e22L, "1.234321e+22" },
1871 { 1.234321234321234e23L, "1.234321e+23" },
1872 { 1.234321234321234e24L, "1.234321e+24" },
1873 { 1.234321234321234e25L, "1.234321e+25" },
1874 { 1.234321234321234e26L, "1.234321e+26" },
1875 { 1.234321234321234e27L, "1.234321e+27" },
1876 { 1.234321234321234e28L, "1.234321e+28" },
1877 { 1.234321234321234e29L, "1.234321e+29" },
1878 { 1.234321234321234e30L, "1.234321e+30" },
1879 { 1.234321234321234e31L, "1.234321e+31" },
1880 { 1.234321234321234e32L, "1.234321e+32" },
1881 { 1.234321234321234e33L, "1.234321e+33" },
1882 { 1.234321234321234e34L, "1.234321e+34" },
1883 { 1.234321234321234e35L, "1.234321e+35" },
1884 { 1.234321234321234e36L, "1.234321e+36" }
1887 for (k = 0; k < SIZEOF (data); k++)
1891 my_sprintf (result, "%Le", data[k].value);
1892 ASSERT (strcmp (result, data[k].string) == 0);
1893 ASSERT (retval == strlen (result));
1897 { /* A negative number. */
1900 my_sprintf (result, "%Le %d", -0.03125L, 33, 44, 55);
1901 ASSERT (strcmp (result, "-3.125000e-02 33") == 0);
1902 ASSERT (retval == strlen (result));
1905 { /* Positive zero. */
1908 my_sprintf (result, "%Le %d", 0.0L, 33, 44, 55);
1909 ASSERT (strcmp (result, "0.000000e+00 33") == 0);
1910 ASSERT (retval == strlen (result));
1913 { /* Negative zero. */
1916 my_sprintf (result, "%Le %d", -0.0L, 33, 44, 55);
1917 if (have_minus_zero ())
1918 ASSERT (strcmp (result, "-0.000000e+00 33") == 0);
1919 ASSERT (retval == strlen (result));
1922 { /* Positive infinity. */
1925 my_sprintf (result, "%Le %d", 1.0L / 0.0L, 33, 44, 55);
1926 ASSERT (strcmp (result, "inf 33") == 0
1927 || strcmp (result, "infinity 33") == 0);
1928 ASSERT (retval == strlen (result));
1931 { /* Negative infinity. */
1934 my_sprintf (result, "%Le %d", -1.0L / 0.0L, 33, 44, 55);
1935 ASSERT (strcmp (result, "-inf 33") == 0
1936 || strcmp (result, "-infinity 33") == 0);
1937 ASSERT (retval == strlen (result));
1941 static long double zero = 0.0L;
1944 my_sprintf (result, "%Le %d", zero / zero, 33, 44, 55);
1945 ASSERT (strlen (result) >= 3 + 3
1946 && strisnan (result, 0, strlen (result) - 3, 0)
1947 && strcmp (result + strlen (result) - 3, " 33") == 0);
1948 ASSERT (retval == strlen (result));
1950 #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_))
1952 static union { unsigned int word[4]; long double value; } x =
1953 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
1956 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
1957 ASSERT (strlen (result) >= 3 + 3
1958 && strisnan (result, 0, strlen (result) - 3, 0)
1959 && strcmp (result + strlen (result) - 3, " 33") == 0);
1960 ASSERT (retval == strlen (result));
1963 /* Signalling NaN. */
1964 static union { unsigned int word[4]; long double value; } x =
1965 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
1968 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
1969 ASSERT (strlen (result) >= 3 + 3
1970 && strisnan (result, 0, strlen (result) - 3, 0)
1971 && strcmp (result + strlen (result) - 3, " 33") == 0);
1972 ASSERT (retval == strlen (result));
1974 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
1975 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
1976 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
1977 Application Architecture.
1978 Table 5-2 "Floating-Point Register Encodings"
1979 Figure 5-6 "Memory to Floating-Point Register Data Translation"
1982 static union { unsigned int word[4]; long double value; } x =
1983 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
1986 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
1987 ASSERT (strlen (result) >= 3 + 3
1988 && strisnan (result, 0, strlen (result) - 3, 0)
1989 && strcmp (result + strlen (result) - 3, " 33") == 0);
1990 ASSERT (retval == strlen (result));
1992 { /* Pseudo-Infinity. */
1993 static union { unsigned int word[4]; long double value; } x =
1994 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
1997 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
1998 ASSERT (strlen (result) >= 3 + 3
1999 && strisnan (result, 0, strlen (result) - 3, 0)
2000 && strcmp (result + strlen (result) - 3, " 33") == 0);
2001 ASSERT (retval == strlen (result));
2003 { /* Pseudo-Zero. */
2004 static union { unsigned int word[4]; long double value; } x =
2005 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2008 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2009 ASSERT (strlen (result) >= 3 + 3
2010 && strisnan (result, 0, strlen (result) - 3, 0)
2011 && strcmp (result + strlen (result) - 3, " 33") == 0);
2012 ASSERT (retval == strlen (result));
2014 { /* Unnormalized number. */
2015 static union { unsigned int word[4]; long double value; } x =
2016 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2019 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2020 ASSERT (strlen (result) >= 3 + 3
2021 && strisnan (result, 0, strlen (result) - 3, 0)
2022 && strcmp (result + strlen (result) - 3, " 33") == 0);
2023 ASSERT (retval == strlen (result));
2025 { /* Pseudo-Denormal. */
2026 static union { unsigned int word[4]; long double value; } x =
2027 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2030 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2031 ASSERT (strlen (result) >= 3 + 3
2032 && strisnan (result, 0, strlen (result) - 3, 0)
2033 && strcmp (result + strlen (result) - 3, " 33") == 0);
2034 ASSERT (retval == strlen (result));
2041 my_sprintf (result, "%15Le %d", 1.75L, 33, 44, 55);
2042 ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
2043 ASSERT (retval == strlen (result));
2049 my_sprintf (result, "%-15Le %d", 1.75L, 33, 44, 55);
2050 ASSERT (strcmp (result, "1.750000e+00 33") == 0);
2051 ASSERT (retval == strlen (result));
2054 { /* FLAG_SHOWSIGN. */
2057 my_sprintf (result, "%+Le %d", 1.75L, 33, 44, 55);
2058 ASSERT (strcmp (result, "+1.750000e+00 33") == 0);
2059 ASSERT (retval == strlen (result));
2065 my_sprintf (result, "% Le %d", 1.75L, 33, 44, 55);
2066 ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
2067 ASSERT (retval == strlen (result));
2073 my_sprintf (result, "%#Le %d", 1.75L, 33, 44, 55);
2074 ASSERT (strcmp (result, "1.750000e+00 33") == 0);
2075 ASSERT (retval == strlen (result));
2081 my_sprintf (result, "%#.Le %d", 1.75L, 33, 44, 55);
2082 ASSERT (strcmp (result, "2.e+00 33") == 0);
2083 ASSERT (retval == strlen (result));
2089 my_sprintf (result, "%#.Le %d", 9.75L, 33, 44, 55);
2090 ASSERT (strcmp (result, "1.e+01 33") == 0);
2091 ASSERT (retval == strlen (result));
2094 { /* FLAG_ZERO with finite number. */
2097 my_sprintf (result, "%015Le %d", 1234.0L, 33, 44, 55);
2098 ASSERT (strcmp (result, "0001.234000e+03 33") == 0);
2099 ASSERT (retval == strlen (result));
2102 { /* FLAG_ZERO with infinite number. */
2105 my_sprintf (result, "%015Le %d", -1.0L / 0.0L, 33, 44, 55);
2106 ASSERT (strcmp (result, " -inf 33") == 0
2107 || strcmp (result, " -infinity 33") == 0);
2108 ASSERT (retval == strlen (result));
2111 { /* FLAG_ZERO with NaN. */
2112 static long double zero = 0.0L;
2115 my_sprintf (result, "%050Le %d", zero / zero, 33, 44, 55);
2116 ASSERT (strlen (result) == 50 + 3
2117 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2118 && strcmp (result + strlen (result) - 3, " 33") == 0);
2119 ASSERT (retval == strlen (result));
2125 my_sprintf (result, "%.Le %d", 1234.0L, 33, 44, 55);
2126 ASSERT (strcmp (result, "1e+03 33") == 0);
2127 ASSERT (retval == strlen (result));
2130 /* Test the support of the %g format directive. */
2132 { /* A positive number. */
2135 my_sprintf (result, "%g %d", 12.75, 33, 44, 55);
2136 ASSERT (strcmp (result, "12.75 33") == 0);
2137 ASSERT (retval == strlen (result));
2140 { /* A larger positive number. */
2143 my_sprintf (result, "%g %d", 1234567.0, 33, 44, 55);
2144 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2145 || strcmp (result, "1.23457e+006 33") == 0);
2146 ASSERT (retval == strlen (result));
2149 { /* Small and large positive numbers. */
2150 static struct { double value; const char *string; } data[] =
2152 { 1.234321234321234e-37, "1.23432e-37" },
2153 { 1.234321234321234e-36, "1.23432e-36" },
2154 { 1.234321234321234e-35, "1.23432e-35" },
2155 { 1.234321234321234e-34, "1.23432e-34" },
2156 { 1.234321234321234e-33, "1.23432e-33" },
2157 { 1.234321234321234e-32, "1.23432e-32" },
2158 { 1.234321234321234e-31, "1.23432e-31" },
2159 { 1.234321234321234e-30, "1.23432e-30" },
2160 { 1.234321234321234e-29, "1.23432e-29" },
2161 { 1.234321234321234e-28, "1.23432e-28" },
2162 { 1.234321234321234e-27, "1.23432e-27" },
2163 { 1.234321234321234e-26, "1.23432e-26" },
2164 { 1.234321234321234e-25, "1.23432e-25" },
2165 { 1.234321234321234e-24, "1.23432e-24" },
2166 { 1.234321234321234e-23, "1.23432e-23" },
2167 { 1.234321234321234e-22, "1.23432e-22" },
2168 { 1.234321234321234e-21, "1.23432e-21" },
2169 { 1.234321234321234e-20, "1.23432e-20" },
2170 { 1.234321234321234e-19, "1.23432e-19" },
2171 { 1.234321234321234e-18, "1.23432e-18" },
2172 { 1.234321234321234e-17, "1.23432e-17" },
2173 { 1.234321234321234e-16, "1.23432e-16" },
2174 { 1.234321234321234e-15, "1.23432e-15" },
2175 { 1.234321234321234e-14, "1.23432e-14" },
2176 { 1.234321234321234e-13, "1.23432e-13" },
2177 { 1.234321234321234e-12, "1.23432e-12" },
2178 { 1.234321234321234e-11, "1.23432e-11" },
2179 { 1.234321234321234e-10, "1.23432e-10" },
2180 { 1.234321234321234e-9, "1.23432e-09" },
2181 { 1.234321234321234e-8, "1.23432e-08" },
2182 { 1.234321234321234e-7, "1.23432e-07" },
2183 { 1.234321234321234e-6, "1.23432e-06" },
2184 { 1.234321234321234e-5, "1.23432e-05" },
2185 { 1.234321234321234e-4, "0.000123432" },
2186 { 1.234321234321234e-3, "0.00123432" },
2187 { 1.234321234321234e-2, "0.0123432" },
2188 { 1.234321234321234e-1, "0.123432" },
2189 { 1.234321234321234, "1.23432" },
2190 { 1.234321234321234e1, "12.3432" },
2191 { 1.234321234321234e2, "123.432" },
2192 { 1.234321234321234e3, "1234.32" },
2193 { 1.234321234321234e4, "12343.2" },
2194 { 1.234321234321234e5, "123432" },
2195 { 1.234321234321234e6, "1.23432e+06" },
2196 { 1.234321234321234e7, "1.23432e+07" },
2197 { 1.234321234321234e8, "1.23432e+08" },
2198 { 1.234321234321234e9, "1.23432e+09" },
2199 { 1.234321234321234e10, "1.23432e+10" },
2200 { 1.234321234321234e11, "1.23432e+11" },
2201 { 1.234321234321234e12, "1.23432e+12" },
2202 { 1.234321234321234e13, "1.23432e+13" },
2203 { 1.234321234321234e14, "1.23432e+14" },
2204 { 1.234321234321234e15, "1.23432e+15" },
2205 { 1.234321234321234e16, "1.23432e+16" },
2206 { 1.234321234321234e17, "1.23432e+17" },
2207 { 1.234321234321234e18, "1.23432e+18" },
2208 { 1.234321234321234e19, "1.23432e+19" },
2209 { 1.234321234321234e20, "1.23432e+20" },
2210 { 1.234321234321234e21, "1.23432e+21" },
2211 { 1.234321234321234e22, "1.23432e+22" },
2212 { 1.234321234321234e23, "1.23432e+23" },
2213 { 1.234321234321234e24, "1.23432e+24" },
2214 { 1.234321234321234e25, "1.23432e+25" },
2215 { 1.234321234321234e26, "1.23432e+26" },
2216 { 1.234321234321234e27, "1.23432e+27" },
2217 { 1.234321234321234e28, "1.23432e+28" },
2218 { 1.234321234321234e29, "1.23432e+29" },
2219 { 1.234321234321234e30, "1.23432e+30" },
2220 { 1.234321234321234e31, "1.23432e+31" },
2221 { 1.234321234321234e32, "1.23432e+32" },
2222 { 1.234321234321234e33, "1.23432e+33" },
2223 { 1.234321234321234e34, "1.23432e+34" },
2224 { 1.234321234321234e35, "1.23432e+35" },
2225 { 1.234321234321234e36, "1.23432e+36" }
2228 for (k = 0; k < SIZEOF (data); k++)
2232 my_sprintf (result, "%g", data[k].value);
2233 const char *expected = data[k].string;
2234 ASSERT (strcmp (result, expected) == 0
2235 /* Some implementations produce exponents with 3 digits. */
2236 || (expected[strlen (expected) - 4] == 'e'
2237 && strlen (result) == strlen (expected) + 1
2238 && memcmp (result, expected, strlen (expected) - 2) == 0
2239 && result[strlen (expected) - 2] == '0'
2240 && strcmp (result + strlen (expected) - 1,
2241 expected + strlen (expected) - 2)
2243 ASSERT (retval == strlen (result));
2247 { /* A negative number. */
2250 my_sprintf (result, "%g %d", -0.03125, 33, 44, 55);
2251 ASSERT (strcmp (result, "-0.03125 33") == 0);
2252 ASSERT (retval == strlen (result));
2255 { /* Positive zero. */
2258 my_sprintf (result, "%g %d", 0.0, 33, 44, 55);
2259 ASSERT (strcmp (result, "0 33") == 0);
2260 ASSERT (retval == strlen (result));
2263 { /* Negative zero. */
2266 my_sprintf (result, "%g %d", -0.0, 33, 44, 55);
2267 if (have_minus_zero ())
2268 ASSERT (strcmp (result, "-0 33") == 0);
2269 ASSERT (retval == strlen (result));
2272 { /* Positive infinity. */
2275 my_sprintf (result, "%g %d", 1.0 / 0.0, 33, 44, 55);
2276 ASSERT (strcmp (result, "inf 33") == 0
2277 || strcmp (result, "infinity 33") == 0);
2278 ASSERT (retval == strlen (result));
2281 { /* Negative infinity. */
2284 my_sprintf (result, "%g %d", -1.0 / 0.0, 33, 44, 55);
2285 ASSERT (strcmp (result, "-inf 33") == 0
2286 || strcmp (result, "-infinity 33") == 0);
2287 ASSERT (retval == strlen (result));
2293 my_sprintf (result, "%g %d", NaN (), 33, 44, 55);
2294 ASSERT (strlen (result) >= 3 + 3
2295 && strisnan (result, 0, strlen (result) - 3, 0)
2296 && strcmp (result + strlen (result) - 3, " 33") == 0);
2297 ASSERT (retval == strlen (result));
2303 my_sprintf (result, "%10g %d", 1.75, 33, 44, 55);
2304 ASSERT (strcmp (result, " 1.75 33") == 0);
2305 ASSERT (retval == strlen (result));
2311 my_sprintf (result, "%-10g %d", 1.75, 33, 44, 55);
2312 ASSERT (strcmp (result, "1.75 33") == 0);
2313 ASSERT (retval == strlen (result));
2316 { /* FLAG_SHOWSIGN. */
2319 my_sprintf (result, "%+g %d", 1.75, 33, 44, 55);
2320 ASSERT (strcmp (result, "+1.75 33") == 0);
2321 ASSERT (retval == strlen (result));
2327 my_sprintf (result, "% g %d", 1.75, 33, 44, 55);
2328 ASSERT (strcmp (result, " 1.75 33") == 0);
2329 ASSERT (retval == strlen (result));
2335 my_sprintf (result, "%#g %d", 1.75, 33, 44, 55);
2336 ASSERT (strcmp (result, "1.75000 33") == 0);
2337 ASSERT (retval == strlen (result));
2343 my_sprintf (result, "%#.g %d", 1.75, 33, 44, 55);
2344 ASSERT (strcmp (result, "2. 33") == 0);
2345 ASSERT (retval == strlen (result));
2351 my_sprintf (result, "%#.g %d", 9.75, 33, 44, 55);
2352 ASSERT (strcmp (result, "1.e+01 33") == 0
2353 || strcmp (result, "1.e+001 33") == 0);
2354 ASSERT (retval == strlen (result));
2357 { /* FLAG_ZERO with finite number. */
2360 my_sprintf (result, "%010g %d", 1234.0, 33, 44, 55);
2361 ASSERT (strcmp (result, "0000001234 33") == 0);
2362 ASSERT (retval == strlen (result));
2365 { /* FLAG_ZERO with infinite number. */
2368 my_sprintf (result, "%015g %d", -1.0 / 0.0, 33, 44, 55);
2369 ASSERT (strcmp (result, " -inf 33") == 0
2370 || strcmp (result, " -infinity 33") == 0);
2371 ASSERT (retval == strlen (result));
2374 { /* FLAG_ZERO with NaN. */
2377 my_sprintf (result, "%050g %d", NaN (), 33, 44, 55);
2378 ASSERT (strlen (result) == 50 + 3
2379 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2380 && strcmp (result + strlen (result) - 3, " 33") == 0);
2381 ASSERT (retval == strlen (result));
2387 my_sprintf (result, "%.g %d", 1234.0, 33, 44, 55);
2388 ASSERT (strcmp (result, "1e+03 33") == 0
2389 || strcmp (result, "1e+003 33") == 0);
2390 ASSERT (retval == strlen (result));
2393 { /* A positive number. */
2396 my_sprintf (result, "%Lg %d", 12.75L, 33, 44, 55);
2397 ASSERT (strcmp (result, "12.75 33") == 0);
2398 ASSERT (retval == strlen (result));
2401 { /* A larger positive number. */
2404 my_sprintf (result, "%Lg %d", 1234567.0L, 33, 44, 55);
2405 ASSERT (strcmp (result, "1.23457e+06 33") == 0);
2406 ASSERT (retval == strlen (result));
2409 { /* Small and large positive numbers. */
2410 static struct { long double value; const char *string; } data[] =
2412 { 1.234321234321234e-37L, "1.23432e-37" },
2413 { 1.234321234321234e-36L, "1.23432e-36" },
2414 { 1.234321234321234e-35L, "1.23432e-35" },
2415 { 1.234321234321234e-34L, "1.23432e-34" },
2416 { 1.234321234321234e-33L, "1.23432e-33" },
2417 { 1.234321234321234e-32L, "1.23432e-32" },
2418 { 1.234321234321234e-31L, "1.23432e-31" },
2419 { 1.234321234321234e-30L, "1.23432e-30" },
2420 { 1.234321234321234e-29L, "1.23432e-29" },
2421 { 1.234321234321234e-28L, "1.23432e-28" },
2422 { 1.234321234321234e-27L, "1.23432e-27" },
2423 { 1.234321234321234e-26L, "1.23432e-26" },
2424 { 1.234321234321234e-25L, "1.23432e-25" },
2425 { 1.234321234321234e-24L, "1.23432e-24" },
2426 { 1.234321234321234e-23L, "1.23432e-23" },
2427 { 1.234321234321234e-22L, "1.23432e-22" },
2428 { 1.234321234321234e-21L, "1.23432e-21" },
2429 { 1.234321234321234e-20L, "1.23432e-20" },
2430 { 1.234321234321234e-19L, "1.23432e-19" },
2431 { 1.234321234321234e-18L, "1.23432e-18" },
2432 { 1.234321234321234e-17L, "1.23432e-17" },
2433 { 1.234321234321234e-16L, "1.23432e-16" },
2434 { 1.234321234321234e-15L, "1.23432e-15" },
2435 { 1.234321234321234e-14L, "1.23432e-14" },
2436 { 1.234321234321234e-13L, "1.23432e-13" },
2437 { 1.234321234321234e-12L, "1.23432e-12" },
2438 { 1.234321234321234e-11L, "1.23432e-11" },
2439 { 1.234321234321234e-10L, "1.23432e-10" },
2440 { 1.234321234321234e-9L, "1.23432e-09" },
2441 { 1.234321234321234e-8L, "1.23432e-08" },
2442 { 1.234321234321234e-7L, "1.23432e-07" },
2443 { 1.234321234321234e-6L, "1.23432e-06" },
2444 { 1.234321234321234e-5L, "1.23432e-05" },
2445 { 1.234321234321234e-4L, "0.000123432" },
2446 { 1.234321234321234e-3L, "0.00123432" },
2447 { 1.234321234321234e-2L, "0.0123432" },
2448 { 1.234321234321234e-1L, "0.123432" },
2449 { 1.234321234321234L, "1.23432" },
2450 { 1.234321234321234e1L, "12.3432" },
2451 { 1.234321234321234e2L, "123.432" },
2452 { 1.234321234321234e3L, "1234.32" },
2453 { 1.234321234321234e4L, "12343.2" },
2454 { 1.234321234321234e5L, "123432" },
2455 { 1.234321234321234e6L, "1.23432e+06" },
2456 { 1.234321234321234e7L, "1.23432e+07" },
2457 { 1.234321234321234e8L, "1.23432e+08" },
2458 { 1.234321234321234e9L, "1.23432e+09" },
2459 { 1.234321234321234e10L, "1.23432e+10" },
2460 { 1.234321234321234e11L, "1.23432e+11" },
2461 { 1.234321234321234e12L, "1.23432e+12" },
2462 { 1.234321234321234e13L, "1.23432e+13" },
2463 { 1.234321234321234e14L, "1.23432e+14" },
2464 { 1.234321234321234e15L, "1.23432e+15" },
2465 { 1.234321234321234e16L, "1.23432e+16" },
2466 { 1.234321234321234e17L, "1.23432e+17" },
2467 { 1.234321234321234e18L, "1.23432e+18" },
2468 { 1.234321234321234e19L, "1.23432e+19" },
2469 { 1.234321234321234e20L, "1.23432e+20" },
2470 { 1.234321234321234e21L, "1.23432e+21" },
2471 { 1.234321234321234e22L, "1.23432e+22" },
2472 { 1.234321234321234e23L, "1.23432e+23" },
2473 { 1.234321234321234e24L, "1.23432e+24" },
2474 { 1.234321234321234e25L, "1.23432e+25" },
2475 { 1.234321234321234e26L, "1.23432e+26" },
2476 { 1.234321234321234e27L, "1.23432e+27" },
2477 { 1.234321234321234e28L, "1.23432e+28" },
2478 { 1.234321234321234e29L, "1.23432e+29" },
2479 { 1.234321234321234e30L, "1.23432e+30" },
2480 { 1.234321234321234e31L, "1.23432e+31" },
2481 { 1.234321234321234e32L, "1.23432e+32" },
2482 { 1.234321234321234e33L, "1.23432e+33" },
2483 { 1.234321234321234e34L, "1.23432e+34" },
2484 { 1.234321234321234e35L, "1.23432e+35" },
2485 { 1.234321234321234e36L, "1.23432e+36" }
2488 for (k = 0; k < SIZEOF (data); k++)
2492 my_sprintf (result, "%Lg", data[k].value);
2493 ASSERT (strcmp (result, data[k].string) == 0);
2494 ASSERT (retval == strlen (result));
2498 { /* A negative number. */
2501 my_sprintf (result, "%Lg %d", -0.03125L, 33, 44, 55);
2502 ASSERT (strcmp (result, "-0.03125 33") == 0);
2503 ASSERT (retval == strlen (result));
2506 { /* Positive zero. */
2509 my_sprintf (result, "%Lg %d", 0.0L, 33, 44, 55);
2510 ASSERT (strcmp (result, "0 33") == 0);
2511 ASSERT (retval == strlen (result));
2514 { /* Negative zero. */
2517 my_sprintf (result, "%Lg %d", -0.0L, 33, 44, 55);
2518 if (have_minus_zero ())
2519 ASSERT (strcmp (result, "-0 33") == 0);
2520 ASSERT (retval == strlen (result));
2523 { /* Positive infinity. */
2526 my_sprintf (result, "%Lg %d", 1.0L / 0.0L, 33, 44, 55);
2527 ASSERT (strcmp (result, "inf 33") == 0
2528 || strcmp (result, "infinity 33") == 0);
2529 ASSERT (retval == strlen (result));
2532 { /* Negative infinity. */
2535 my_sprintf (result, "%Lg %d", -1.0L / 0.0L, 33, 44, 55);
2536 ASSERT (strcmp (result, "-inf 33") == 0
2537 || strcmp (result, "-infinity 33") == 0);
2538 ASSERT (retval == strlen (result));
2542 static long double zero = 0.0L;
2545 my_sprintf (result, "%Lg %d", zero / zero, 33, 44, 55);
2546 ASSERT (strlen (result) >= 3 + 3
2547 && strisnan (result, 0, strlen (result) - 3, 0)
2548 && strcmp (result + strlen (result) - 3, " 33") == 0);
2549 ASSERT (retval == strlen (result));
2551 #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_))
2553 static union { unsigned int word[4]; long double value; } x =
2554 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2557 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
2558 ASSERT (strlen (result) >= 3 + 3
2559 && strisnan (result, 0, strlen (result) - 3, 0)
2560 && strcmp (result + strlen (result) - 3, " 33") == 0);
2561 ASSERT (retval == strlen (result));
2564 /* Signalling NaN. */
2565 static union { unsigned int word[4]; long double value; } x =
2566 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2569 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
2570 ASSERT (strlen (result) >= 3 + 3
2571 && strisnan (result, 0, strlen (result) - 3, 0)
2572 && strcmp (result + strlen (result) - 3, " 33") == 0);
2573 ASSERT (retval == strlen (result));
2575 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
2576 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
2577 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
2578 Application Architecture.
2579 Table 5-2 "Floating-Point Register Encodings"
2580 Figure 5-6 "Memory to Floating-Point Register Data Translation"
2583 static union { unsigned int word[4]; long double value; } x =
2584 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2587 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2588 ASSERT (strlen (result) >= 3 + 3
2589 && strisnan (result, 0, strlen (result) - 3, 0)
2590 && strcmp (result + strlen (result) - 3, " 33") == 0);
2591 ASSERT (retval == strlen (result));
2593 { /* Pseudo-Infinity. */
2594 static union { unsigned int word[4]; long double value; } x =
2595 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2598 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2599 ASSERT (strlen (result) >= 3 + 3
2600 && strisnan (result, 0, strlen (result) - 3, 0)
2601 && strcmp (result + strlen (result) - 3, " 33") == 0);
2602 ASSERT (retval == strlen (result));
2604 { /* Pseudo-Zero. */
2605 static union { unsigned int word[4]; long double value; } x =
2606 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2609 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2610 ASSERT (strlen (result) >= 3 + 3
2611 && strisnan (result, 0, strlen (result) - 3, 0)
2612 && strcmp (result + strlen (result) - 3, " 33") == 0);
2613 ASSERT (retval == strlen (result));
2615 { /* Unnormalized number. */
2616 static union { unsigned int word[4]; long double value; } x =
2617 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2620 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2621 ASSERT (strlen (result) >= 3 + 3
2622 && strisnan (result, 0, strlen (result) - 3, 0)
2623 && strcmp (result + strlen (result) - 3, " 33") == 0);
2624 ASSERT (retval == strlen (result));
2626 { /* Pseudo-Denormal. */
2627 static union { unsigned int word[4]; long double value; } x =
2628 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2631 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2632 ASSERT (strlen (result) >= 3 + 3
2633 && strisnan (result, 0, strlen (result) - 3, 0)
2634 && strcmp (result + strlen (result) - 3, " 33") == 0);
2635 ASSERT (retval == strlen (result));
2642 my_sprintf (result, "%10Lg %d", 1.75L, 33, 44, 55);
2643 ASSERT (strcmp (result, " 1.75 33") == 0);
2644 ASSERT (retval == strlen (result));
2650 my_sprintf (result, "%-10Lg %d", 1.75L, 33, 44, 55);
2651 ASSERT (strcmp (result, "1.75 33") == 0);
2652 ASSERT (retval == strlen (result));
2655 { /* FLAG_SHOWSIGN. */
2658 my_sprintf (result, "%+Lg %d", 1.75L, 33, 44, 55);
2659 ASSERT (strcmp (result, "+1.75 33") == 0);
2660 ASSERT (retval == strlen (result));
2666 my_sprintf (result, "% Lg %d", 1.75L, 33, 44, 55);
2667 ASSERT (strcmp (result, " 1.75 33") == 0);
2668 ASSERT (retval == strlen (result));
2674 my_sprintf (result, "%#Lg %d", 1.75L, 33, 44, 55);
2675 ASSERT (strcmp (result, "1.75000 33") == 0);
2676 ASSERT (retval == strlen (result));
2682 my_sprintf (result, "%#.Lg %d", 1.75L, 33, 44, 55);
2683 ASSERT (strcmp (result, "2. 33") == 0);
2684 ASSERT (retval == strlen (result));
2690 my_sprintf (result, "%#.Lg %d", 9.75L, 33, 44, 55);
2691 ASSERT (strcmp (result, "1.e+01 33") == 0);
2692 ASSERT (retval == strlen (result));
2695 { /* FLAG_ZERO with finite number. */
2698 my_sprintf (result, "%010Lg %d", 1234.0L, 33, 44, 55);
2699 ASSERT (strcmp (result, "0000001234 33") == 0);
2700 ASSERT (retval == strlen (result));
2703 { /* FLAG_ZERO with infinite number. */
2706 my_sprintf (result, "%015Lg %d", -1.0L / 0.0L, 33, 44, 55);
2707 ASSERT (strcmp (result, " -inf 33") == 0
2708 || strcmp (result, " -infinity 33") == 0);
2709 ASSERT (retval == strlen (result));
2712 { /* FLAG_ZERO with NaN. */
2713 static long double zero = 0.0L;
2716 my_sprintf (result, "%050Lg %d", zero / zero, 33, 44, 55);
2717 ASSERT (strlen (result) == 50 + 3
2718 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2719 && strcmp (result + strlen (result) - 3, " 33") == 0);
2720 ASSERT (retval == strlen (result));
2726 my_sprintf (result, "%.Lg %d", 1234.0L, 33, 44, 55);
2727 ASSERT (strcmp (result, "1e+03 33") == 0);
2728 ASSERT (retval == strlen (result));
2731 /* Test the support of the %n format directive. */
2737 my_sprintf (result, "%d %n", 123, &count, 33, 44, 55);
2738 ASSERT (strcmp (result, "123 ") == 0);
2739 ASSERT (retval == strlen (result));
2740 ASSERT (count == 4);
2743 /* Test the support of the POSIX/XSI format strings with positions. */
2748 my_sprintf (result, "%2$d %1$d", 33, 55);
2749 ASSERT (strcmp (result, "55 33") == 0);
2750 ASSERT (retval == strlen (result));
2753 /* Test the support of the grouping flag. */
2758 my_sprintf (result, "%'d %d", 1234567, 99);
2759 ASSERT (result[strlen (result) - 1] == '9');
2760 ASSERT (retval == strlen (result));