1 /* Test of POSIX compatible vsprintf() and sprintf() functions.
2 Copyright (C) 2007-2011 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 #include "minus-zero.h"
22 /* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0. */
26 static double plus_zero = 0.0;
27 double minus_zero = minus_zerod;
28 return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0;
31 /* Representation of an 80-bit 'long double' as an initializer for a sequence
32 of 'unsigned int' words. */
33 #ifdef WORDS_BIGENDIAN
34 # define LDBL80_WORDS(exponent,manthi,mantlo) \
35 { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \
36 ((unsigned int) (manthi) << 16) | (unsigned int) (mantlo) >> 16), \
37 (unsigned int) (mantlo) << 16 \
40 # define LDBL80_WORDS(exponent,manthi,mantlo) \
41 { mantlo, manthi, exponent }
45 strmatch (const char *pattern, const char *string)
47 if (strlen (pattern) != strlen (string))
49 for (; *pattern != '\0'; pattern++, string++)
50 if (*pattern != '*' && *string != *pattern)
55 /* Test whether string[start_index..end_index-1] is a valid textual
56 representation of NaN. */
58 strisnan (const char *string, size_t start_index, size_t end_index, int uppercase)
60 if (start_index < end_index)
62 if (string[start_index] == '-')
64 if (start_index + 3 <= end_index
65 && memcmp (string + start_index, uppercase ? "NAN" : "nan", 3) == 0)
68 if (start_index == end_index
69 || (string[start_index] == '(' && string[end_index - 1] == ')'))
77 test_function (int (*my_sprintf) (char *, const char *, ...))
81 /* Test return value convention. */
86 memcpy (buf, "DEADBEEF", 8);
87 retval = my_sprintf (buf, "%d", 12345);
89 ASSERT (memcmp (buf, "12345\0EF", 8) == 0);
92 /* Test support of size specifiers as in C99. */
97 my_sprintf (result, "%ju %d", (uintmax_t) 12345671, 33, 44, 55);
98 ASSERT (strcmp (result, "12345671 33") == 0);
99 ASSERT (retval == strlen (result));
105 my_sprintf (result, "%zu %d", (size_t) 12345672, 33, 44, 55);
106 ASSERT (strcmp (result, "12345672 33") == 0);
107 ASSERT (retval == strlen (result));
113 my_sprintf (result, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55);
114 ASSERT (strcmp (result, "12345673 33") == 0);
115 ASSERT (retval == strlen (result));
121 my_sprintf (result, "%Lg %d", (long double) 1.5, 33, 44, 55);
122 ASSERT (strcmp (result, "1.5 33") == 0);
123 ASSERT (retval == strlen (result));
126 /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
127 output of floating-point numbers. */
129 { /* A positive number. */
132 my_sprintf (result, "%a %d", 3.1416015625, 33, 44, 55);
133 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
134 || strcmp (result, "0x3.244p+0 33") == 0
135 || strcmp (result, "0x6.488p-1 33") == 0
136 || strcmp (result, "0xc.91p-2 33") == 0);
137 ASSERT (retval == strlen (result));
140 { /* A negative number. */
143 my_sprintf (result, "%A %d", -3.1416015625, 33, 44, 55);
144 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
145 || strcmp (result, "-0X3.244P+0 33") == 0
146 || strcmp (result, "-0X6.488P-1 33") == 0
147 || strcmp (result, "-0XC.91P-2 33") == 0);
148 ASSERT (retval == strlen (result));
151 { /* Positive zero. */
154 my_sprintf (result, "%a %d", 0.0, 33, 44, 55);
155 ASSERT (strcmp (result, "0x0p+0 33") == 0);
156 ASSERT (retval == strlen (result));
159 { /* Negative zero. */
162 my_sprintf (result, "%a %d", minus_zerod, 33, 44, 55);
163 if (have_minus_zero ())
164 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
165 ASSERT (retval == strlen (result));
168 { /* Positive infinity. */
171 my_sprintf (result, "%a %d", 1.0 / 0.0, 33, 44, 55);
172 ASSERT (strcmp (result, "inf 33") == 0);
173 ASSERT (retval == strlen (result));
176 { /* Negative infinity. */
179 my_sprintf (result, "%a %d", -1.0 / 0.0, 33, 44, 55);
180 ASSERT (strcmp (result, "-inf 33") == 0);
181 ASSERT (retval == strlen (result));
187 my_sprintf (result, "%a %d", NaNd (), 33, 44, 55);
188 ASSERT (strlen (result) >= 3 + 3
189 && strisnan (result, 0, strlen (result) - 3, 0)
190 && strcmp (result + strlen (result) - 3, " 33") == 0);
191 ASSERT (retval == strlen (result));
194 { /* Rounding near the decimal point. */
197 my_sprintf (result, "%.0a %d", 1.5, 33, 44, 55);
198 ASSERT (strcmp (result, "0x2p+0 33") == 0
199 || strcmp (result, "0x3p-1 33") == 0
200 || strcmp (result, "0x6p-2 33") == 0
201 || strcmp (result, "0xcp-3 33") == 0);
202 ASSERT (retval == strlen (result));
205 { /* Rounding with precision 0. */
208 my_sprintf (result, "%.0a %d", 1.51, 33, 44, 55);
209 ASSERT (strcmp (result, "0x2p+0 33") == 0
210 || strcmp (result, "0x3p-1 33") == 0
211 || strcmp (result, "0x6p-2 33") == 0
212 || strcmp (result, "0xcp-3 33") == 0);
213 ASSERT (retval == strlen (result));
216 { /* Rounding with precision 1. */
219 my_sprintf (result, "%.1a %d", 1.51, 33, 44, 55);
220 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
221 || strcmp (result, "0x3.0p-1 33") == 0
222 || strcmp (result, "0x6.1p-2 33") == 0
223 || strcmp (result, "0xc.1p-3 33") == 0);
224 ASSERT (retval == strlen (result));
227 { /* Rounding with precision 2. */
230 my_sprintf (result, "%.2a %d", 1.51, 33, 44, 55);
231 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
232 || strcmp (result, "0x3.05p-1 33") == 0
233 || strcmp (result, "0x6.0ap-2 33") == 0
234 || strcmp (result, "0xc.14p-3 33") == 0);
235 ASSERT (retval == strlen (result));
238 { /* Rounding with precision 3. */
241 my_sprintf (result, "%.3a %d", 1.51, 33, 44, 55);
242 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
243 || strcmp (result, "0x3.052p-1 33") == 0
244 || strcmp (result, "0x6.0a4p-2 33") == 0
245 || strcmp (result, "0xc.148p-3 33") == 0);
246 ASSERT (retval == strlen (result));
249 { /* Rounding can turn a ...FFF into a ...000. */
252 my_sprintf (result, "%.3a %d", 1.49999, 33, 44, 55);
253 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
254 || strcmp (result, "0x3.000p-1 33") == 0
255 || strcmp (result, "0x6.000p-2 33") == 0
256 || strcmp (result, "0xc.000p-3 33") == 0);
257 ASSERT (retval == strlen (result));
260 { /* Rounding can turn a ...FFF into a ...000.
261 This shows a MacOS X 10.3.9 (Darwin 7.9) bug. */
264 my_sprintf (result, "%.1a %d", 1.999, 33, 44, 55);
265 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
266 || strcmp (result, "0x2.0p+0 33") == 0
267 || strcmp (result, "0x4.0p-1 33") == 0
268 || strcmp (result, "0x8.0p-2 33") == 0);
269 ASSERT (retval == strlen (result));
275 my_sprintf (result, "%10a %d", 1.75, 33, 44, 55);
276 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
277 || strcmp (result, " 0x3.8p-1 33") == 0
278 || strcmp (result, " 0x7p-2 33") == 0
279 || strcmp (result, " 0xep-3 33") == 0);
280 ASSERT (retval == strlen (result));
283 { /* Small precision. */
286 my_sprintf (result, "%.10a %d", 1.75, 33, 44, 55);
287 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
288 || strcmp (result, "0x3.8000000000p-1 33") == 0
289 || strcmp (result, "0x7.0000000000p-2 33") == 0
290 || strcmp (result, "0xe.0000000000p-3 33") == 0);
291 ASSERT (retval == strlen (result));
294 { /* Large precision. */
297 my_sprintf (result, "%.50a %d", 1.75, 33, 44, 55);
298 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
299 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
300 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
301 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
302 ASSERT (retval == strlen (result));
308 my_sprintf (result, "%-10a %d", 1.75, 33, 44, 55);
309 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
310 || strcmp (result, "0x3.8p-1 33") == 0
311 || strcmp (result, "0x7p-2 33") == 0
312 || strcmp (result, "0xep-3 33") == 0);
313 ASSERT (retval == strlen (result));
316 { /* FLAG_SHOWSIGN. */
319 my_sprintf (result, "%+a %d", 1.75, 33, 44, 55);
320 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
321 || strcmp (result, "+0x3.8p-1 33") == 0
322 || strcmp (result, "+0x7p-2 33") == 0
323 || strcmp (result, "+0xep-3 33") == 0);
324 ASSERT (retval == strlen (result));
330 my_sprintf (result, "% a %d", 1.75, 33, 44, 55);
331 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
332 || strcmp (result, " 0x3.8p-1 33") == 0
333 || strcmp (result, " 0x7p-2 33") == 0
334 || strcmp (result, " 0xep-3 33") == 0);
335 ASSERT (retval == strlen (result));
341 my_sprintf (result, "%#a %d", 1.75, 33, 44, 55);
342 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
343 || strcmp (result, "0x3.8p-1 33") == 0
344 || strcmp (result, "0x7.p-2 33") == 0
345 || strcmp (result, "0xe.p-3 33") == 0);
346 ASSERT (retval == strlen (result));
352 my_sprintf (result, "%#a %d", 1.0, 33, 44, 55);
353 ASSERT (strcmp (result, "0x1.p+0 33") == 0
354 || strcmp (result, "0x2.p-1 33") == 0
355 || strcmp (result, "0x4.p-2 33") == 0
356 || strcmp (result, "0x8.p-3 33") == 0);
357 ASSERT (retval == strlen (result));
360 { /* FLAG_ZERO with finite number. */
363 my_sprintf (result, "%010a %d", 1.75, 33, 44, 55);
364 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
365 || strcmp (result, "0x003.8p-1 33") == 0
366 || strcmp (result, "0x00007p-2 33") == 0
367 || strcmp (result, "0x0000ep-3 33") == 0);
368 ASSERT (retval == strlen (result));
371 { /* FLAG_ZERO with infinite number. */
374 my_sprintf (result, "%010a %d", 1.0 / 0.0, 33, 44, 55);
375 /* "0000000inf 33" is not a valid result; see
376 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
377 ASSERT (strcmp (result, " inf 33") == 0);
378 ASSERT (retval == strlen (result));
381 { /* FLAG_ZERO with NaN. */
384 my_sprintf (result, "%050a %d", NaNd (), 33, 44, 55);
385 /* "0000000nan 33" is not a valid result; see
386 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
387 ASSERT (strlen (result) == 50 + 3
388 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
389 && strcmp (result + strlen (result) - 3, " 33") == 0);
390 ASSERT (retval == strlen (result));
393 { /* A positive number. */
396 my_sprintf (result, "%La %d", 3.1416015625L, 33, 44, 55);
397 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
398 || strcmp (result, "0x3.244p+0 33") == 0
399 || strcmp (result, "0x6.488p-1 33") == 0
400 || strcmp (result, "0xc.91p-2 33") == 0);
401 ASSERT (retval == strlen (result));
404 { /* A negative number. */
407 my_sprintf (result, "%LA %d", -3.1416015625L, 33, 44, 55);
408 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
409 || strcmp (result, "-0X3.244P+0 33") == 0
410 || strcmp (result, "-0X6.488P-1 33") == 0
411 || strcmp (result, "-0XC.91P-2 33") == 0);
412 ASSERT (retval == strlen (result));
415 { /* Positive zero. */
418 my_sprintf (result, "%La %d", 0.0L, 33, 44, 55);
419 ASSERT (strcmp (result, "0x0p+0 33") == 0);
420 ASSERT (retval == strlen (result));
423 { /* Negative zero. */
426 my_sprintf (result, "%La %d", minus_zerol, 33, 44, 55);
427 if (have_minus_zero ())
428 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
429 ASSERT (retval == strlen (result));
432 { /* Positive infinity. */
435 my_sprintf (result, "%La %d", 1.0L / 0.0L, 33, 44, 55);
436 ASSERT (strcmp (result, "inf 33") == 0);
437 ASSERT (retval == strlen (result));
440 { /* Negative infinity. */
443 my_sprintf (result, "%La %d", -1.0L / 0.0L, 33, 44, 55);
444 ASSERT (strcmp (result, "-inf 33") == 0);
445 ASSERT (retval == strlen (result));
451 my_sprintf (result, "%La %d", NaNl (), 33, 44, 55);
452 ASSERT (strlen (result) >= 3 + 3
453 && strisnan (result, 0, strlen (result) - 3, 0)
454 && strcmp (result + strlen (result) - 3, " 33") == 0);
455 ASSERT (retval == strlen (result));
457 #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_))
459 static union { unsigned int word[4]; long double value; } x =
460 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
463 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
464 ASSERT (strlen (result) >= 3 + 3
465 && strisnan (result, 0, strlen (result) - 3, 0)
466 && strcmp (result + strlen (result) - 3, " 33") == 0);
467 ASSERT (retval == strlen (result));
470 /* Signalling NaN. */
471 static union { unsigned int word[4]; long double value; } x =
472 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
475 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
476 ASSERT (strlen (result) >= 3 + 3
477 && strisnan (result, 0, strlen (result) - 3, 0)
478 && strcmp (result + strlen (result) - 3, " 33") == 0);
479 ASSERT (retval == strlen (result));
481 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
482 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
483 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
484 Application Architecture.
485 Table 5-2 "Floating-Point Register Encodings"
486 Figure 5-6 "Memory to Floating-Point Register Data Translation"
489 static union { unsigned int word[4]; long double value; } x =
490 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
493 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
494 ASSERT (strlen (result) >= 3 + 3
495 && strisnan (result, 0, strlen (result) - 3, 0)
496 && strcmp (result + strlen (result) - 3, " 33") == 0);
497 ASSERT (retval == strlen (result));
499 { /* Pseudo-Infinity. */
500 static union { unsigned int word[4]; long double value; } x =
501 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
504 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
505 ASSERT (strlen (result) >= 3 + 3
506 && strisnan (result, 0, strlen (result) - 3, 0)
507 && strcmp (result + strlen (result) - 3, " 33") == 0);
508 ASSERT (retval == strlen (result));
511 static union { unsigned int word[4]; long double value; } x =
512 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
515 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
516 ASSERT (strlen (result) >= 3 + 3
517 && strisnan (result, 0, strlen (result) - 3, 0)
518 && strcmp (result + strlen (result) - 3, " 33") == 0);
519 ASSERT (retval == strlen (result));
521 { /* Unnormalized number. */
522 static union { unsigned int word[4]; long double value; } x =
523 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
526 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
527 ASSERT (strlen (result) >= 3 + 3
528 && strisnan (result, 0, strlen (result) - 3, 0)
529 && strcmp (result + strlen (result) - 3, " 33") == 0);
530 ASSERT (retval == strlen (result));
532 { /* Pseudo-Denormal. */
533 static union { unsigned int word[4]; long double value; } x =
534 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
537 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
538 ASSERT (strlen (result) >= 3 + 3
539 && strisnan (result, 0, strlen (result) - 3, 0)
540 && strcmp (result + strlen (result) - 3, " 33") == 0);
541 ASSERT (retval == strlen (result));
545 { /* Rounding near the decimal point. */
548 my_sprintf (result, "%.0La %d", 1.5L, 33, 44, 55);
549 ASSERT (strcmp (result, "0x2p+0 33") == 0
550 || strcmp (result, "0x3p-1 33") == 0
551 || strcmp (result, "0x6p-2 33") == 0
552 || strcmp (result, "0xcp-3 33") == 0);
553 ASSERT (retval == strlen (result));
556 { /* Rounding with precision 0. */
559 my_sprintf (result, "%.0La %d", 1.51L, 33, 44, 55);
560 ASSERT (strcmp (result, "0x2p+0 33") == 0
561 || strcmp (result, "0x3p-1 33") == 0
562 || strcmp (result, "0x6p-2 33") == 0
563 || strcmp (result, "0xcp-3 33") == 0);
564 ASSERT (retval == strlen (result));
567 { /* Rounding with precision 1. */
570 my_sprintf (result, "%.1La %d", 1.51L, 33, 44, 55);
571 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
572 || strcmp (result, "0x3.0p-1 33") == 0
573 || strcmp (result, "0x6.1p-2 33") == 0
574 || strcmp (result, "0xc.1p-3 33") == 0);
575 ASSERT (retval == strlen (result));
578 { /* Rounding with precision 2. */
581 my_sprintf (result, "%.2La %d", 1.51L, 33, 44, 55);
582 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
583 || strcmp (result, "0x3.05p-1 33") == 0
584 || strcmp (result, "0x6.0ap-2 33") == 0
585 || strcmp (result, "0xc.14p-3 33") == 0);
586 ASSERT (retval == strlen (result));
589 { /* Rounding with precision 3. */
592 my_sprintf (result, "%.3La %d", 1.51L, 33, 44, 55);
593 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
594 || strcmp (result, "0x3.052p-1 33") == 0
595 || strcmp (result, "0x6.0a4p-2 33") == 0
596 || strcmp (result, "0xc.148p-3 33") == 0);
597 ASSERT (retval == strlen (result));
600 { /* Rounding can turn a ...FFF into a ...000. */
603 my_sprintf (result, "%.3La %d", 1.49999L, 33, 44, 55);
604 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
605 || strcmp (result, "0x3.000p-1 33") == 0
606 || strcmp (result, "0x6.000p-2 33") == 0
607 || strcmp (result, "0xc.000p-3 33") == 0);
608 ASSERT (retval == strlen (result));
611 { /* Rounding can turn a ...FFF into a ...000.
612 This shows a MacOS X 10.3.9 (Darwin 7.9) bug and a
613 glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
616 my_sprintf (result, "%.1La %d", 1.999L, 33, 44, 55);
617 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
618 || strcmp (result, "0x2.0p+0 33") == 0
619 || strcmp (result, "0x4.0p-1 33") == 0
620 || strcmp (result, "0x8.0p-2 33") == 0);
621 ASSERT (retval == strlen (result));
627 my_sprintf (result, "%10La %d", 1.75L, 33, 44, 55);
628 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
629 || strcmp (result, " 0x3.8p-1 33") == 0
630 || strcmp (result, " 0x7p-2 33") == 0
631 || strcmp (result, " 0xep-3 33") == 0);
632 ASSERT (retval == strlen (result));
635 { /* Small precision. */
638 my_sprintf (result, "%.10La %d", 1.75L, 33, 44, 55);
639 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
640 || strcmp (result, "0x3.8000000000p-1 33") == 0
641 || strcmp (result, "0x7.0000000000p-2 33") == 0
642 || strcmp (result, "0xe.0000000000p-3 33") == 0);
643 ASSERT (retval == strlen (result));
646 { /* Large precision. */
649 my_sprintf (result, "%.50La %d", 1.75L, 33, 44, 55);
650 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
651 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
652 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
653 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
654 ASSERT (retval == strlen (result));
660 my_sprintf (result, "%-10La %d", 1.75L, 33, 44, 55);
661 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
662 || strcmp (result, "0x3.8p-1 33") == 0
663 || strcmp (result, "0x7p-2 33") == 0
664 || strcmp (result, "0xep-3 33") == 0);
665 ASSERT (retval == strlen (result));
668 { /* FLAG_SHOWSIGN. */
671 my_sprintf (result, "%+La %d", 1.75L, 33, 44, 55);
672 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
673 || strcmp (result, "+0x3.8p-1 33") == 0
674 || strcmp (result, "+0x7p-2 33") == 0
675 || strcmp (result, "+0xep-3 33") == 0);
676 ASSERT (retval == strlen (result));
682 my_sprintf (result, "% La %d", 1.75L, 33, 44, 55);
683 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
684 || strcmp (result, " 0x3.8p-1 33") == 0
685 || strcmp (result, " 0x7p-2 33") == 0
686 || strcmp (result, " 0xep-3 33") == 0);
687 ASSERT (retval == strlen (result));
693 my_sprintf (result, "%#La %d", 1.75L, 33, 44, 55);
694 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
695 || strcmp (result, "0x3.8p-1 33") == 0
696 || strcmp (result, "0x7.p-2 33") == 0
697 || strcmp (result, "0xe.p-3 33") == 0);
698 ASSERT (retval == strlen (result));
704 my_sprintf (result, "%#La %d", 1.0L, 33, 44, 55);
705 ASSERT (strcmp (result, "0x1.p+0 33") == 0
706 || strcmp (result, "0x2.p-1 33") == 0
707 || strcmp (result, "0x4.p-2 33") == 0
708 || strcmp (result, "0x8.p-3 33") == 0);
709 ASSERT (retval == strlen (result));
712 { /* FLAG_ZERO with finite number. */
715 my_sprintf (result, "%010La %d", 1.75L, 33, 44, 55);
716 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
717 || strcmp (result, "0x003.8p-1 33") == 0
718 || strcmp (result, "0x00007p-2 33") == 0
719 || strcmp (result, "0x0000ep-3 33") == 0);
720 ASSERT (retval == strlen (result));
723 { /* FLAG_ZERO with infinite number. */
726 my_sprintf (result, "%010La %d", 1.0L / 0.0L, 33, 44, 55);
727 /* "0000000inf 33" is not a valid result; see
728 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
729 ASSERT (strcmp (result, " inf 33") == 0);
730 ASSERT (retval == strlen (result));
733 { /* FLAG_ZERO with NaN. */
736 my_sprintf (result, "%050La %d", NaNl (), 33, 44, 55);
737 /* "0000000nan 33" is not a valid result; see
738 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
739 ASSERT (strlen (result) == 50 + 3
740 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
741 && strcmp (result + strlen (result) - 3, " 33") == 0);
742 ASSERT (retval == strlen (result));
745 /* Test the support of the %f format directive. */
747 { /* A positive number. */
750 my_sprintf (result, "%f %d", 12.75, 33, 44, 55);
751 ASSERT (strcmp (result, "12.750000 33") == 0);
752 ASSERT (retval == strlen (result));
755 { /* A larger positive number. */
758 my_sprintf (result, "%f %d", 1234567.0, 33, 44, 55);
759 ASSERT (strcmp (result, "1234567.000000 33") == 0);
760 ASSERT (retval == strlen (result));
763 { /* Small and large positive numbers. */
764 static struct { double value; const char *string; } data[] =
766 { 1.234321234321234e-37, "0.000000" },
767 { 1.234321234321234e-36, "0.000000" },
768 { 1.234321234321234e-35, "0.000000" },
769 { 1.234321234321234e-34, "0.000000" },
770 { 1.234321234321234e-33, "0.000000" },
771 { 1.234321234321234e-32, "0.000000" },
772 { 1.234321234321234e-31, "0.000000" },
773 { 1.234321234321234e-30, "0.000000" },
774 { 1.234321234321234e-29, "0.000000" },
775 { 1.234321234321234e-28, "0.000000" },
776 { 1.234321234321234e-27, "0.000000" },
777 { 1.234321234321234e-26, "0.000000" },
778 { 1.234321234321234e-25, "0.000000" },
779 { 1.234321234321234e-24, "0.000000" },
780 { 1.234321234321234e-23, "0.000000" },
781 { 1.234321234321234e-22, "0.000000" },
782 { 1.234321234321234e-21, "0.000000" },
783 { 1.234321234321234e-20, "0.000000" },
784 { 1.234321234321234e-19, "0.000000" },
785 { 1.234321234321234e-18, "0.000000" },
786 { 1.234321234321234e-17, "0.000000" },
787 { 1.234321234321234e-16, "0.000000" },
788 { 1.234321234321234e-15, "0.000000" },
789 { 1.234321234321234e-14, "0.000000" },
790 { 1.234321234321234e-13, "0.000000" },
791 { 1.234321234321234e-12, "0.000000" },
792 { 1.234321234321234e-11, "0.000000" },
793 { 1.234321234321234e-10, "0.000000" },
794 { 1.234321234321234e-9, "0.000000" },
795 { 1.234321234321234e-8, "0.000000" },
796 { 1.234321234321234e-7, "0.000000" },
797 { 1.234321234321234e-6, "0.000001" },
798 { 1.234321234321234e-5, "0.000012" },
799 { 1.234321234321234e-4, "0.000123" },
800 { 1.234321234321234e-3, "0.001234" },
801 { 1.234321234321234e-2, "0.012343" },
802 { 1.234321234321234e-1, "0.123432" },
803 { 1.234321234321234, "1.234321" },
804 { 1.234321234321234e1, "12.343212" },
805 { 1.234321234321234e2, "123.432123" },
806 { 1.234321234321234e3, "1234.321234" },
807 { 1.234321234321234e4, "12343.212343" },
808 { 1.234321234321234e5, "123432.123432" },
809 { 1.234321234321234e6, "1234321.234321" },
810 { 1.234321234321234e7, "12343212.343212" },
811 { 1.234321234321234e8, "123432123.432123" },
812 { 1.234321234321234e9, "1234321234.321234" },
813 { 1.234321234321234e10, "12343212343.2123**" },
814 { 1.234321234321234e11, "123432123432.123***" },
815 { 1.234321234321234e12, "1234321234321.23****" },
816 { 1.234321234321234e13, "12343212343212.3*****" },
817 { 1.234321234321234e14, "123432123432123.******" },
818 { 1.234321234321234e15, "1234321234321234.000000" },
819 { 1.234321234321234e16, "123432123432123**.000000" },
820 { 1.234321234321234e17, "123432123432123***.000000" },
821 { 1.234321234321234e18, "123432123432123****.000000" },
822 { 1.234321234321234e19, "123432123432123*****.000000" },
823 { 1.234321234321234e20, "123432123432123******.000000" },
824 { 1.234321234321234e21, "123432123432123*******.000000" },
825 { 1.234321234321234e22, "123432123432123********.000000" },
826 { 1.234321234321234e23, "123432123432123*********.000000" },
827 { 1.234321234321234e24, "123432123432123**********.000000" },
828 { 1.234321234321234e25, "123432123432123***********.000000" },
829 { 1.234321234321234e26, "123432123432123************.000000" },
830 { 1.234321234321234e27, "123432123432123*************.000000" },
831 { 1.234321234321234e28, "123432123432123**************.000000" },
832 { 1.234321234321234e29, "123432123432123***************.000000" },
833 { 1.234321234321234e30, "123432123432123****************.000000" },
834 { 1.234321234321234e31, "123432123432123*****************.000000" },
835 { 1.234321234321234e32, "123432123432123******************.000000" },
836 { 1.234321234321234e33, "123432123432123*******************.000000" },
837 { 1.234321234321234e34, "123432123432123********************.000000" },
838 { 1.234321234321234e35, "123432123432123*********************.000000" },
839 { 1.234321234321234e36, "123432123432123**********************.000000" }
842 for (k = 0; k < SIZEOF (data); k++)
846 my_sprintf (result, "%f", data[k].value);
847 ASSERT (strmatch (data[k].string, result));
848 ASSERT (retval == strlen (result));
852 { /* A negative number. */
855 my_sprintf (result, "%f %d", -0.03125, 33, 44, 55);
856 ASSERT (strcmp (result, "-0.031250 33") == 0);
857 ASSERT (retval == strlen (result));
860 { /* Positive zero. */
863 my_sprintf (result, "%f %d", 0.0, 33, 44, 55);
864 ASSERT (strcmp (result, "0.000000 33") == 0);
865 ASSERT (retval == strlen (result));
868 { /* Negative zero. */
871 my_sprintf (result, "%f %d", minus_zerod, 33, 44, 55);
872 if (have_minus_zero ())
873 ASSERT (strcmp (result, "-0.000000 33") == 0);
874 ASSERT (retval == strlen (result));
877 { /* Positive infinity. */
880 my_sprintf (result, "%f %d", 1.0 / 0.0, 33, 44, 55);
881 ASSERT (strcmp (result, "inf 33") == 0
882 || strcmp (result, "infinity 33") == 0);
883 ASSERT (retval == strlen (result));
886 { /* Negative 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));
898 my_sprintf (result, "%f %d", NaNd (), 33, 44, 55);
899 ASSERT (strlen (result) >= 3 + 3
900 && strisnan (result, 0, strlen (result) - 3, 0)
901 && strcmp (result + strlen (result) - 3, " 33") == 0);
902 ASSERT (retval == strlen (result));
908 my_sprintf (result, "%10f %d", 1.75, 33, 44, 55);
909 ASSERT (strcmp (result, " 1.750000 33") == 0);
910 ASSERT (retval == strlen (result));
916 my_sprintf (result, "%-10f %d", 1.75, 33, 44, 55);
917 ASSERT (strcmp (result, "1.750000 33") == 0);
918 ASSERT (retval == strlen (result));
921 { /* FLAG_SHOWSIGN. */
924 my_sprintf (result, "%+f %d", 1.75, 33, 44, 55);
925 ASSERT (strcmp (result, "+1.750000 33") == 0);
926 ASSERT (retval == strlen (result));
932 my_sprintf (result, "% f %d", 1.75, 33, 44, 55);
933 ASSERT (strcmp (result, " 1.750000 33") == 0);
934 ASSERT (retval == strlen (result));
940 my_sprintf (result, "%#f %d", 1.75, 33, 44, 55);
941 ASSERT (strcmp (result, "1.750000 33") == 0);
942 ASSERT (retval == strlen (result));
948 my_sprintf (result, "%#.f %d", 1.75, 33, 44, 55);
949 ASSERT (strcmp (result, "2. 33") == 0);
950 ASSERT (retval == strlen (result));
953 { /* FLAG_ZERO with finite number. */
956 my_sprintf (result, "%015f %d", 1234.0, 33, 44, 55);
957 ASSERT (strcmp (result, "00001234.000000 33") == 0);
958 ASSERT (retval == strlen (result));
961 { /* FLAG_ZERO with infinite number. */
964 my_sprintf (result, "%015f %d", -1.0 / 0.0, 33, 44, 55);
965 ASSERT (strcmp (result, " -inf 33") == 0
966 || strcmp (result, " -infinity 33") == 0);
967 ASSERT (retval == strlen (result));
970 { /* FLAG_ZERO with NaN. */
973 my_sprintf (result, "%050f %d", NaNd (), 33, 44, 55);
974 ASSERT (strlen (result) == 50 + 3
975 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
976 && strcmp (result + strlen (result) - 3, " 33") == 0);
977 ASSERT (retval == strlen (result));
983 my_sprintf (result, "%.f %d", 1234.0, 33, 44, 55);
984 ASSERT (strcmp (result, "1234 33") == 0);
985 ASSERT (retval == strlen (result));
988 { /* Precision with no rounding. */
991 my_sprintf (result, "%.2f %d", 999.951, 33, 44, 55);
992 ASSERT (strcmp (result, "999.95 33") == 0);
993 ASSERT (retval == strlen (result));
996 { /* Precision with rounding. */
999 my_sprintf (result, "%.2f %d", 999.996, 33, 44, 55);
1000 ASSERT (strcmp (result, "1000.00 33") == 0);
1001 ASSERT (retval == strlen (result));
1004 { /* A positive number. */
1007 my_sprintf (result, "%Lf %d", 12.75L, 33, 44, 55);
1008 ASSERT (strcmp (result, "12.750000 33") == 0);
1009 ASSERT (retval == strlen (result));
1012 { /* A larger positive number. */
1015 my_sprintf (result, "%Lf %d", 1234567.0L, 33, 44, 55);
1016 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1017 ASSERT (retval == strlen (result));
1020 { /* Small and large positive numbers. */
1021 static struct { long double value; const char *string; } data[] =
1023 { 1.234321234321234e-37L, "0.000000" },
1024 { 1.234321234321234e-36L, "0.000000" },
1025 { 1.234321234321234e-35L, "0.000000" },
1026 { 1.234321234321234e-34L, "0.000000" },
1027 { 1.234321234321234e-33L, "0.000000" },
1028 { 1.234321234321234e-32L, "0.000000" },
1029 { 1.234321234321234e-31L, "0.000000" },
1030 { 1.234321234321234e-30L, "0.000000" },
1031 { 1.234321234321234e-29L, "0.000000" },
1032 { 1.234321234321234e-28L, "0.000000" },
1033 { 1.234321234321234e-27L, "0.000000" },
1034 { 1.234321234321234e-26L, "0.000000" },
1035 { 1.234321234321234e-25L, "0.000000" },
1036 { 1.234321234321234e-24L, "0.000000" },
1037 { 1.234321234321234e-23L, "0.000000" },
1038 { 1.234321234321234e-22L, "0.000000" },
1039 { 1.234321234321234e-21L, "0.000000" },
1040 { 1.234321234321234e-20L, "0.000000" },
1041 { 1.234321234321234e-19L, "0.000000" },
1042 { 1.234321234321234e-18L, "0.000000" },
1043 { 1.234321234321234e-17L, "0.000000" },
1044 { 1.234321234321234e-16L, "0.000000" },
1045 { 1.234321234321234e-15L, "0.000000" },
1046 { 1.234321234321234e-14L, "0.000000" },
1047 { 1.234321234321234e-13L, "0.000000" },
1048 { 1.234321234321234e-12L, "0.000000" },
1049 { 1.234321234321234e-11L, "0.000000" },
1050 { 1.234321234321234e-10L, "0.000000" },
1051 { 1.234321234321234e-9L, "0.000000" },
1052 { 1.234321234321234e-8L, "0.000000" },
1053 { 1.234321234321234e-7L, "0.000000" },
1054 { 1.234321234321234e-6L, "0.000001" },
1055 { 1.234321234321234e-5L, "0.000012" },
1056 { 1.234321234321234e-4L, "0.000123" },
1057 { 1.234321234321234e-3L, "0.001234" },
1058 { 1.234321234321234e-2L, "0.012343" },
1059 { 1.234321234321234e-1L, "0.123432" },
1060 { 1.234321234321234L, "1.234321" },
1061 { 1.234321234321234e1L, "12.343212" },
1062 { 1.234321234321234e2L, "123.432123" },
1063 { 1.234321234321234e3L, "1234.321234" },
1064 { 1.234321234321234e4L, "12343.212343" },
1065 { 1.234321234321234e5L, "123432.123432" },
1066 { 1.234321234321234e6L, "1234321.234321" },
1067 { 1.234321234321234e7L, "12343212.343212" },
1068 { 1.234321234321234e8L, "123432123.432123" },
1069 { 1.234321234321234e9L, "1234321234.321234" },
1070 { 1.234321234321234e10L, "12343212343.2123**" },
1071 { 1.234321234321234e11L, "123432123432.123***" },
1072 { 1.234321234321234e12L, "1234321234321.23****" },
1073 { 1.234321234321234e13L, "12343212343212.3*****" },
1074 { 1.234321234321234e14L, "123432123432123.******" },
1075 { 1.234321234321234e15L, "1234321234321234.000000" },
1076 { 1.234321234321234e16L, "123432123432123**.000000" },
1077 { 1.234321234321234e17L, "123432123432123***.000000" },
1078 { 1.234321234321234e18L, "123432123432123****.000000" },
1079 { 1.234321234321234e19L, "123432123432123*****.000000" },
1080 { 1.234321234321234e20L, "123432123432123******.000000" },
1081 { 1.234321234321234e21L, "123432123432123*******.000000" },
1082 { 1.234321234321234e22L, "123432123432123********.000000" },
1083 { 1.234321234321234e23L, "123432123432123*********.000000" },
1084 { 1.234321234321234e24L, "123432123432123**********.000000" },
1085 { 1.234321234321234e25L, "123432123432123***********.000000" },
1086 { 1.234321234321234e26L, "123432123432123************.000000" },
1087 { 1.234321234321234e27L, "123432123432123*************.000000" },
1088 { 1.234321234321234e28L, "123432123432123**************.000000" },
1089 { 1.234321234321234e29L, "123432123432123***************.000000" },
1090 { 1.234321234321234e30L, "123432123432123****************.000000" },
1091 { 1.234321234321234e31L, "123432123432123*****************.000000" },
1092 { 1.234321234321234e32L, "123432123432123******************.000000" },
1093 { 1.234321234321234e33L, "123432123432123*******************.000000" },
1094 { 1.234321234321234e34L, "123432123432123********************.000000" },
1095 { 1.234321234321234e35L, "123432123432123*********************.000000" },
1096 { 1.234321234321234e36L, "123432123432123**********************.000000" }
1099 for (k = 0; k < SIZEOF (data); k++)
1103 my_sprintf (result, "%Lf", data[k].value);
1104 ASSERT (strmatch (data[k].string, result));
1105 ASSERT (retval == strlen (result));
1109 { /* A negative number. */
1112 my_sprintf (result, "%Lf %d", -0.03125L, 33, 44, 55);
1113 ASSERT (strcmp (result, "-0.031250 33") == 0);
1114 ASSERT (retval == strlen (result));
1117 { /* Positive zero. */
1120 my_sprintf (result, "%Lf %d", 0.0L, 33, 44, 55);
1121 ASSERT (strcmp (result, "0.000000 33") == 0);
1122 ASSERT (retval == strlen (result));
1125 { /* Negative zero. */
1128 my_sprintf (result, "%Lf %d", minus_zerol, 33, 44, 55);
1129 if (have_minus_zero ())
1130 ASSERT (strcmp (result, "-0.000000 33") == 0);
1131 ASSERT (retval == strlen (result));
1134 { /* Positive infinity. */
1137 my_sprintf (result, "%Lf %d", 1.0L / 0.0L, 33, 44, 55);
1138 ASSERT (strcmp (result, "inf 33") == 0
1139 || strcmp (result, "infinity 33") == 0);
1140 ASSERT (retval == strlen (result));
1143 { /* Negative infinity. */
1146 my_sprintf (result, "%Lf %d", -1.0L / 0.0L, 33, 44, 55);
1147 ASSERT (strcmp (result, "-inf 33") == 0
1148 || strcmp (result, "-infinity 33") == 0);
1149 ASSERT (retval == strlen (result));
1155 my_sprintf (result, "%Lf %d", NaNl (), 33, 44, 55);
1156 ASSERT (strlen (result) >= 3 + 3
1157 && strisnan (result, 0, strlen (result) - 3, 0)
1158 && strcmp (result + strlen (result) - 3, " 33") == 0);
1159 ASSERT (retval == strlen (result));
1161 #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_))
1163 static union { unsigned int word[4]; long double value; } x =
1164 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
1167 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1168 ASSERT (strlen (result) >= 3 + 3
1169 && strisnan (result, 0, strlen (result) - 3, 0)
1170 && strcmp (result + strlen (result) - 3, " 33") == 0);
1171 ASSERT (retval == strlen (result));
1174 /* Signalling NaN. */
1175 static union { unsigned int word[4]; long double value; } x =
1176 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
1179 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1180 ASSERT (strlen (result) >= 3 + 3
1181 && strisnan (result, 0, strlen (result) - 3, 0)
1182 && strcmp (result + strlen (result) - 3, " 33") == 0);
1183 ASSERT (retval == strlen (result));
1185 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
1186 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
1187 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
1188 Application Architecture.
1189 Table 5-2 "Floating-Point Register Encodings"
1190 Figure 5-6 "Memory to Floating-Point Register Data Translation"
1193 static union { unsigned int word[4]; long double value; } x =
1194 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
1197 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1198 ASSERT (strlen (result) >= 3 + 3
1199 && strisnan (result, 0, strlen (result) - 3, 0)
1200 && strcmp (result + strlen (result) - 3, " 33") == 0);
1201 ASSERT (retval == strlen (result));
1203 { /* Pseudo-Infinity. */
1204 static union { unsigned int word[4]; long double value; } x =
1205 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
1208 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1209 ASSERT (strlen (result) >= 3 + 3
1210 && strisnan (result, 0, strlen (result) - 3, 0)
1211 && strcmp (result + strlen (result) - 3, " 33") == 0);
1212 ASSERT (retval == strlen (result));
1214 { /* Pseudo-Zero. */
1215 static union { unsigned int word[4]; long double value; } x =
1216 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
1219 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1220 ASSERT (strlen (result) >= 3 + 3
1221 && strisnan (result, 0, strlen (result) - 3, 0)
1222 && strcmp (result + strlen (result) - 3, " 33") == 0);
1223 ASSERT (retval == strlen (result));
1225 { /* Unnormalized number. */
1226 static union { unsigned int word[4]; long double value; } x =
1227 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
1230 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1231 ASSERT (strlen (result) >= 3 + 3
1232 && strisnan (result, 0, strlen (result) - 3, 0)
1233 && strcmp (result + strlen (result) - 3, " 33") == 0);
1234 ASSERT (retval == strlen (result));
1236 { /* Pseudo-Denormal. */
1237 static union { unsigned int word[4]; long double value; } x =
1238 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
1241 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1242 ASSERT (strlen (result) >= 3 + 3
1243 && strisnan (result, 0, strlen (result) - 3, 0)
1244 && strcmp (result + strlen (result) - 3, " 33") == 0);
1245 ASSERT (retval == strlen (result));
1252 my_sprintf (result, "%10Lf %d", 1.75L, 33, 44, 55);
1253 ASSERT (strcmp (result, " 1.750000 33") == 0);
1254 ASSERT (retval == strlen (result));
1260 my_sprintf (result, "%-10Lf %d", 1.75L, 33, 44, 55);
1261 ASSERT (strcmp (result, "1.750000 33") == 0);
1262 ASSERT (retval == strlen (result));
1265 { /* FLAG_SHOWSIGN. */
1268 my_sprintf (result, "%+Lf %d", 1.75L, 33, 44, 55);
1269 ASSERT (strcmp (result, "+1.750000 33") == 0);
1270 ASSERT (retval == strlen (result));
1276 my_sprintf (result, "% Lf %d", 1.75L, 33, 44, 55);
1277 ASSERT (strcmp (result, " 1.750000 33") == 0);
1278 ASSERT (retval == strlen (result));
1284 my_sprintf (result, "%#Lf %d", 1.75L, 33, 44, 55);
1285 ASSERT (strcmp (result, "1.750000 33") == 0);
1286 ASSERT (retval == strlen (result));
1292 my_sprintf (result, "%#.Lf %d", 1.75L, 33, 44, 55);
1293 ASSERT (strcmp (result, "2. 33") == 0);
1294 ASSERT (retval == strlen (result));
1297 { /* FLAG_ZERO with finite number. */
1300 my_sprintf (result, "%015Lf %d", 1234.0L, 33, 44, 55);
1301 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1302 ASSERT (retval == strlen (result));
1305 { /* FLAG_ZERO with infinite number. */
1308 my_sprintf (result, "%015Lf %d", -1.0L / 0.0L, 33, 44, 55);
1309 ASSERT (strcmp (result, " -inf 33") == 0
1310 || strcmp (result, " -infinity 33") == 0);
1311 ASSERT (retval == strlen (result));
1314 { /* FLAG_ZERO with NaN. */
1317 my_sprintf (result, "%050Lf %d", NaNl (), 33, 44, 55);
1318 ASSERT (strlen (result) == 50 + 3
1319 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1320 && strcmp (result + strlen (result) - 3, " 33") == 0);
1321 ASSERT (retval == strlen (result));
1327 my_sprintf (result, "%.Lf %d", 1234.0L, 33, 44, 55);
1328 ASSERT (strcmp (result, "1234 33") == 0);
1329 ASSERT (retval == strlen (result));
1332 { /* Precision with no rounding. */
1335 my_sprintf (result, "%.2Lf %d", 999.951L, 33, 44, 55);
1336 ASSERT (strcmp (result, "999.95 33") == 0);
1337 ASSERT (retval == strlen (result));
1340 { /* Precision with rounding. */
1343 my_sprintf (result, "%.2Lf %d", 999.996L, 33, 44, 55);
1344 ASSERT (strcmp (result, "1000.00 33") == 0);
1345 ASSERT (retval == strlen (result));
1348 /* Test the support of the %F format directive. */
1350 { /* A positive number. */
1353 my_sprintf (result, "%F %d", 12.75, 33, 44, 55);
1354 ASSERT (strcmp (result, "12.750000 33") == 0);
1355 ASSERT (retval == strlen (result));
1358 { /* A larger positive number. */
1361 my_sprintf (result, "%F %d", 1234567.0, 33, 44, 55);
1362 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1363 ASSERT (retval == strlen (result));
1366 { /* A negative number. */
1369 my_sprintf (result, "%F %d", -0.03125, 33, 44, 55);
1370 ASSERT (strcmp (result, "-0.031250 33") == 0);
1371 ASSERT (retval == strlen (result));
1374 { /* Positive zero. */
1377 my_sprintf (result, "%F %d", 0.0, 33, 44, 55);
1378 ASSERT (strcmp (result, "0.000000 33") == 0);
1379 ASSERT (retval == strlen (result));
1382 { /* Negative zero. */
1385 my_sprintf (result, "%F %d", minus_zerod, 33, 44, 55);
1386 if (have_minus_zero ())
1387 ASSERT (strcmp (result, "-0.000000 33") == 0);
1388 ASSERT (retval == strlen (result));
1391 { /* Positive infinity. */
1394 my_sprintf (result, "%F %d", 1.0 / 0.0, 33, 44, 55);
1395 ASSERT (strcmp (result, "INF 33") == 0
1396 || strcmp (result, "INFINITY 33") == 0);
1397 ASSERT (retval == strlen (result));
1400 { /* Negative infinity. */
1403 my_sprintf (result, "%F %d", -1.0 / 0.0, 33, 44, 55);
1404 ASSERT (strcmp (result, "-INF 33") == 0
1405 || strcmp (result, "-INFINITY 33") == 0);
1406 ASSERT (retval == strlen (result));
1412 my_sprintf (result, "%F %d", NaNd (), 33, 44, 55);
1413 ASSERT (strlen (result) >= 3 + 3
1414 && strisnan (result, 0, strlen (result) - 3, 1)
1415 && strcmp (result + strlen (result) - 3, " 33") == 0);
1416 ASSERT (retval == strlen (result));
1422 my_sprintf (result, "%015F %d", 1234.0, 33, 44, 55);
1423 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1424 ASSERT (retval == strlen (result));
1427 { /* FLAG_ZERO with infinite number. */
1430 my_sprintf (result, "%015F %d", -1.0 / 0.0, 33, 44, 55);
1431 ASSERT (strcmp (result, " -INF 33") == 0
1432 || strcmp (result, " -INFINITY 33") == 0);
1433 ASSERT (retval == strlen (result));
1439 my_sprintf (result, "%.F %d", 1234.0, 33, 44, 55);
1440 ASSERT (strcmp (result, "1234 33") == 0);
1441 ASSERT (retval == strlen (result));
1444 { /* Precision with no rounding. */
1447 my_sprintf (result, "%.2F %d", 999.951, 33, 44, 55);
1448 ASSERT (strcmp (result, "999.95 33") == 0);
1449 ASSERT (retval == strlen (result));
1452 { /* Precision with rounding. */
1455 my_sprintf (result, "%.2F %d", 999.996, 33, 44, 55);
1456 ASSERT (strcmp (result, "1000.00 33") == 0);
1457 ASSERT (retval == strlen (result));
1460 { /* A positive number. */
1463 my_sprintf (result, "%LF %d", 12.75L, 33, 44, 55);
1464 ASSERT (strcmp (result, "12.750000 33") == 0);
1465 ASSERT (retval == strlen (result));
1468 { /* A larger positive number. */
1471 my_sprintf (result, "%LF %d", 1234567.0L, 33, 44, 55);
1472 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1473 ASSERT (retval == strlen (result));
1476 { /* A negative number. */
1479 my_sprintf (result, "%LF %d", -0.03125L, 33, 44, 55);
1480 ASSERT (strcmp (result, "-0.031250 33") == 0);
1481 ASSERT (retval == strlen (result));
1484 { /* Positive zero. */
1487 my_sprintf (result, "%LF %d", 0.0L, 33, 44, 55);
1488 ASSERT (strcmp (result, "0.000000 33") == 0);
1489 ASSERT (retval == strlen (result));
1492 { /* Negative zero. */
1495 my_sprintf (result, "%LF %d", minus_zerol, 33, 44, 55);
1496 if (have_minus_zero ())
1497 ASSERT (strcmp (result, "-0.000000 33") == 0);
1498 ASSERT (retval == strlen (result));
1501 { /* Positive infinity. */
1504 my_sprintf (result, "%LF %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));
1510 { /* Negative infinity. */
1513 my_sprintf (result, "%LF %d", -1.0L / 0.0L, 33, 44, 55);
1514 ASSERT (strcmp (result, "-INF 33") == 0
1515 || strcmp (result, "-INFINITY 33") == 0);
1516 ASSERT (retval == strlen (result));
1522 my_sprintf (result, "%LF %d", NaNl (), 33, 44, 55);
1523 ASSERT (strlen (result) >= 3 + 3
1524 && strisnan (result, 0, strlen (result) - 3, 1)
1525 && strcmp (result + strlen (result) - 3, " 33") == 0);
1526 ASSERT (retval == strlen (result));
1532 my_sprintf (result, "%015LF %d", 1234.0L, 33, 44, 55);
1533 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1534 ASSERT (retval == strlen (result));
1537 { /* FLAG_ZERO with infinite number. */
1540 my_sprintf (result, "%015LF %d", -1.0L / 0.0L, 33, 44, 55);
1541 ASSERT (strcmp (result, " -INF 33") == 0
1542 || strcmp (result, " -INFINITY 33") == 0);
1543 ASSERT (retval == strlen (result));
1549 my_sprintf (result, "%.LF %d", 1234.0L, 33, 44, 55);
1550 ASSERT (strcmp (result, "1234 33") == 0);
1551 ASSERT (retval == strlen (result));
1554 { /* Precision with no rounding. */
1557 my_sprintf (result, "%.2LF %d", 999.951L, 33, 44, 55);
1558 ASSERT (strcmp (result, "999.95 33") == 0);
1559 ASSERT (retval == strlen (result));
1562 { /* Precision with rounding. */
1565 my_sprintf (result, "%.2LF %d", 999.996L, 33, 44, 55);
1566 ASSERT (strcmp (result, "1000.00 33") == 0);
1567 ASSERT (retval == strlen (result));
1570 /* Test the support of the %e format directive. */
1572 { /* A positive number. */
1575 my_sprintf (result, "%e %d", 12.75, 33, 44, 55);
1576 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1577 || strcmp (result, "1.275000e+001 33") == 0);
1578 ASSERT (retval == strlen (result));
1581 { /* A larger positive number. */
1584 my_sprintf (result, "%e %d", 1234567.0, 33, 44, 55);
1585 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1586 || strcmp (result, "1.234567e+006 33") == 0);
1587 ASSERT (retval == strlen (result));
1590 { /* Small and large positive numbers. */
1591 static struct { double value; const char *string; } data[] =
1593 { 1.234321234321234e-37, "1.234321e-37" },
1594 { 1.234321234321234e-36, "1.234321e-36" },
1595 { 1.234321234321234e-35, "1.234321e-35" },
1596 { 1.234321234321234e-34, "1.234321e-34" },
1597 { 1.234321234321234e-33, "1.234321e-33" },
1598 { 1.234321234321234e-32, "1.234321e-32" },
1599 { 1.234321234321234e-31, "1.234321e-31" },
1600 { 1.234321234321234e-30, "1.234321e-30" },
1601 { 1.234321234321234e-29, "1.234321e-29" },
1602 { 1.234321234321234e-28, "1.234321e-28" },
1603 { 1.234321234321234e-27, "1.234321e-27" },
1604 { 1.234321234321234e-26, "1.234321e-26" },
1605 { 1.234321234321234e-25, "1.234321e-25" },
1606 { 1.234321234321234e-24, "1.234321e-24" },
1607 { 1.234321234321234e-23, "1.234321e-23" },
1608 { 1.234321234321234e-22, "1.234321e-22" },
1609 { 1.234321234321234e-21, "1.234321e-21" },
1610 { 1.234321234321234e-20, "1.234321e-20" },
1611 { 1.234321234321234e-19, "1.234321e-19" },
1612 { 1.234321234321234e-18, "1.234321e-18" },
1613 { 1.234321234321234e-17, "1.234321e-17" },
1614 { 1.234321234321234e-16, "1.234321e-16" },
1615 { 1.234321234321234e-15, "1.234321e-15" },
1616 { 1.234321234321234e-14, "1.234321e-14" },
1617 { 1.234321234321234e-13, "1.234321e-13" },
1618 { 1.234321234321234e-12, "1.234321e-12" },
1619 { 1.234321234321234e-11, "1.234321e-11" },
1620 { 1.234321234321234e-10, "1.234321e-10" },
1621 { 1.234321234321234e-9, "1.234321e-09" },
1622 { 1.234321234321234e-8, "1.234321e-08" },
1623 { 1.234321234321234e-7, "1.234321e-07" },
1624 { 1.234321234321234e-6, "1.234321e-06" },
1625 { 1.234321234321234e-5, "1.234321e-05" },
1626 { 1.234321234321234e-4, "1.234321e-04" },
1627 { 1.234321234321234e-3, "1.234321e-03" },
1628 { 1.234321234321234e-2, "1.234321e-02" },
1629 { 1.234321234321234e-1, "1.234321e-01" },
1630 { 1.234321234321234, "1.234321e+00" },
1631 { 1.234321234321234e1, "1.234321e+01" },
1632 { 1.234321234321234e2, "1.234321e+02" },
1633 { 1.234321234321234e3, "1.234321e+03" },
1634 { 1.234321234321234e4, "1.234321e+04" },
1635 { 1.234321234321234e5, "1.234321e+05" },
1636 { 1.234321234321234e6, "1.234321e+06" },
1637 { 1.234321234321234e7, "1.234321e+07" },
1638 { 1.234321234321234e8, "1.234321e+08" },
1639 { 1.234321234321234e9, "1.234321e+09" },
1640 { 1.234321234321234e10, "1.234321e+10" },
1641 { 1.234321234321234e11, "1.234321e+11" },
1642 { 1.234321234321234e12, "1.234321e+12" },
1643 { 1.234321234321234e13, "1.234321e+13" },
1644 { 1.234321234321234e14, "1.234321e+14" },
1645 { 1.234321234321234e15, "1.234321e+15" },
1646 { 1.234321234321234e16, "1.234321e+16" },
1647 { 1.234321234321234e17, "1.234321e+17" },
1648 { 1.234321234321234e18, "1.234321e+18" },
1649 { 1.234321234321234e19, "1.234321e+19" },
1650 { 1.234321234321234e20, "1.234321e+20" },
1651 { 1.234321234321234e21, "1.234321e+21" },
1652 { 1.234321234321234e22, "1.234321e+22" },
1653 { 1.234321234321234e23, "1.234321e+23" },
1654 { 1.234321234321234e24, "1.234321e+24" },
1655 { 1.234321234321234e25, "1.234321e+25" },
1656 { 1.234321234321234e26, "1.234321e+26" },
1657 { 1.234321234321234e27, "1.234321e+27" },
1658 { 1.234321234321234e28, "1.234321e+28" },
1659 { 1.234321234321234e29, "1.234321e+29" },
1660 { 1.234321234321234e30, "1.234321e+30" },
1661 { 1.234321234321234e31, "1.234321e+31" },
1662 { 1.234321234321234e32, "1.234321e+32" },
1663 { 1.234321234321234e33, "1.234321e+33" },
1664 { 1.234321234321234e34, "1.234321e+34" },
1665 { 1.234321234321234e35, "1.234321e+35" },
1666 { 1.234321234321234e36, "1.234321e+36" }
1669 for (k = 0; k < SIZEOF (data); k++)
1673 my_sprintf (result, "%e", data[k].value);
1674 const char *expected = data[k].string;
1675 ASSERT (strcmp (result, expected) == 0
1676 /* Some implementations produce exponents with 3 digits. */
1677 || (strlen (result) == strlen (expected) + 1
1678 && memcmp (result, expected, strlen (expected) - 2) == 0
1679 && result[strlen (expected) - 2] == '0'
1680 && strcmp (result + strlen (expected) - 1,
1681 expected + strlen (expected) - 2)
1683 ASSERT (retval == strlen (result));
1687 { /* A negative number. */
1690 my_sprintf (result, "%e %d", -0.03125, 33, 44, 55);
1691 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
1692 || strcmp (result, "-3.125000e-002 33") == 0);
1693 ASSERT (retval == strlen (result));
1696 { /* Positive zero. */
1699 my_sprintf (result, "%e %d", 0.0, 33, 44, 55);
1700 ASSERT (strcmp (result, "0.000000e+00 33") == 0
1701 || strcmp (result, "0.000000e+000 33") == 0);
1702 ASSERT (retval == strlen (result));
1705 { /* Negative zero. */
1708 my_sprintf (result, "%e %d", minus_zerod, 33, 44, 55);
1709 if (have_minus_zero ())
1710 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
1711 || strcmp (result, "-0.000000e+000 33") == 0);
1712 ASSERT (retval == strlen (result));
1715 { /* Positive infinity. */
1718 my_sprintf (result, "%e %d", 1.0 / 0.0, 33, 44, 55);
1719 ASSERT (strcmp (result, "inf 33") == 0
1720 || strcmp (result, "infinity 33") == 0);
1721 ASSERT (retval == strlen (result));
1724 { /* Negative infinity. */
1727 my_sprintf (result, "%e %d", -1.0 / 0.0, 33, 44, 55);
1728 ASSERT (strcmp (result, "-inf 33") == 0
1729 || strcmp (result, "-infinity 33") == 0);
1730 ASSERT (retval == strlen (result));
1736 my_sprintf (result, "%e %d", NaNd (), 33, 44, 55);
1737 ASSERT (strlen (result) >= 3 + 3
1738 && strisnan (result, 0, strlen (result) - 3, 0)
1739 && strcmp (result + strlen (result) - 3, " 33") == 0);
1740 ASSERT (retval == strlen (result));
1746 my_sprintf (result, "%15e %d", 1.75, 33, 44, 55);
1747 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1748 || strcmp (result, " 1.750000e+000 33") == 0);
1749 ASSERT (retval == strlen (result));
1755 my_sprintf (result, "%-15e %d", 1.75, 33, 44, 55);
1756 ASSERT (strcmp (result, "1.750000e+00 33") == 0
1757 || strcmp (result, "1.750000e+000 33") == 0);
1758 ASSERT (retval == strlen (result));
1761 { /* FLAG_SHOWSIGN. */
1764 my_sprintf (result, "%+e %d", 1.75, 33, 44, 55);
1765 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
1766 || strcmp (result, "+1.750000e+000 33") == 0);
1767 ASSERT (retval == strlen (result));
1773 my_sprintf (result, "% e %d", 1.75, 33, 44, 55);
1774 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1775 || strcmp (result, " 1.750000e+000 33") == 0);
1776 ASSERT (retval == strlen (result));
1782 my_sprintf (result, "%#e %d", 1.75, 33, 44, 55);
1783 ASSERT (strcmp (result, "1.750000e+00 33") == 0
1784 || strcmp (result, "1.750000e+000 33") == 0);
1785 ASSERT (retval == strlen (result));
1791 my_sprintf (result, "%#.e %d", 1.75, 33, 44, 55);
1792 ASSERT (strcmp (result, "2.e+00 33") == 0
1793 || strcmp (result, "2.e+000 33") == 0);
1794 ASSERT (retval == strlen (result));
1800 my_sprintf (result, "%#.e %d", 9.75, 33, 44, 55);
1801 ASSERT (strcmp (result, "1.e+01 33") == 0
1802 || strcmp (result, "1.e+001 33") == 0);
1803 ASSERT (retval == strlen (result));
1806 { /* FLAG_ZERO with finite number. */
1809 my_sprintf (result, "%015e %d", 1234.0, 33, 44, 55);
1810 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
1811 || strcmp (result, "001.234000e+003 33") == 0);
1812 ASSERT (retval == strlen (result));
1815 { /* FLAG_ZERO with infinite number. */
1818 my_sprintf (result, "%015e %d", -1.0 / 0.0, 33, 44, 55);
1819 ASSERT (strcmp (result, " -inf 33") == 0
1820 || strcmp (result, " -infinity 33") == 0);
1821 ASSERT (retval == strlen (result));
1824 { /* FLAG_ZERO with NaN. */
1827 my_sprintf (result, "%050e %d", NaNd (), 33, 44, 55);
1828 ASSERT (strlen (result) == 50 + 3
1829 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1830 && strcmp (result + strlen (result) - 3, " 33") == 0);
1831 ASSERT (retval == strlen (result));
1837 my_sprintf (result, "%.e %d", 1234.0, 33, 44, 55);
1838 ASSERT (strcmp (result, "1e+03 33") == 0
1839 || strcmp (result, "1e+003 33") == 0);
1840 ASSERT (retval == strlen (result));
1843 { /* Precision with no rounding. */
1846 my_sprintf (result, "%.4e %d", 999.951, 33, 44, 55);
1847 ASSERT (strcmp (result, "9.9995e+02 33") == 0
1848 || strcmp (result, "9.9995e+002 33") == 0);
1849 ASSERT (retval == strlen (result));
1852 { /* Precision with rounding. */
1855 my_sprintf (result, "%.4e %d", 999.996, 33, 44, 55);
1856 ASSERT (strcmp (result, "1.0000e+03 33") == 0
1857 || strcmp (result, "1.0000e+003 33") == 0);
1858 ASSERT (retval == strlen (result));
1861 { /* A positive number. */
1864 my_sprintf (result, "%Le %d", 12.75L, 33, 44, 55);
1865 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1866 || strcmp (result, "1.275000e+001 33") == 0);
1867 ASSERT (retval == strlen (result));
1870 { /* A larger positive number. */
1873 my_sprintf (result, "%Le %d", 1234567.0L, 33, 44, 55);
1874 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1875 || strcmp (result, "1.234567e+006 33") == 0);
1876 ASSERT (retval == strlen (result));
1879 { /* Small and large positive numbers. */
1880 static struct { long double value; const char *string; } data[] =
1882 { 1.234321234321234e-37L, "1.234321e-37" },
1883 { 1.234321234321234e-36L, "1.234321e-36" },
1884 { 1.234321234321234e-35L, "1.234321e-35" },
1885 { 1.234321234321234e-34L, "1.234321e-34" },
1886 { 1.234321234321234e-33L, "1.234321e-33" },
1887 { 1.234321234321234e-32L, "1.234321e-32" },
1888 { 1.234321234321234e-31L, "1.234321e-31" },
1889 { 1.234321234321234e-30L, "1.234321e-30" },
1890 { 1.234321234321234e-29L, "1.234321e-29" },
1891 { 1.234321234321234e-28L, "1.234321e-28" },
1892 { 1.234321234321234e-27L, "1.234321e-27" },
1893 { 1.234321234321234e-26L, "1.234321e-26" },
1894 { 1.234321234321234e-25L, "1.234321e-25" },
1895 { 1.234321234321234e-24L, "1.234321e-24" },
1896 { 1.234321234321234e-23L, "1.234321e-23" },
1897 { 1.234321234321234e-22L, "1.234321e-22" },
1898 { 1.234321234321234e-21L, "1.234321e-21" },
1899 { 1.234321234321234e-20L, "1.234321e-20" },
1900 { 1.234321234321234e-19L, "1.234321e-19" },
1901 { 1.234321234321234e-18L, "1.234321e-18" },
1902 { 1.234321234321234e-17L, "1.234321e-17" },
1903 { 1.234321234321234e-16L, "1.234321e-16" },
1904 { 1.234321234321234e-15L, "1.234321e-15" },
1905 { 1.234321234321234e-14L, "1.234321e-14" },
1906 { 1.234321234321234e-13L, "1.234321e-13" },
1907 { 1.234321234321234e-12L, "1.234321e-12" },
1908 { 1.234321234321234e-11L, "1.234321e-11" },
1909 { 1.234321234321234e-10L, "1.234321e-10" },
1910 { 1.234321234321234e-9L, "1.234321e-09" },
1911 { 1.234321234321234e-8L, "1.234321e-08" },
1912 { 1.234321234321234e-7L, "1.234321e-07" },
1913 { 1.234321234321234e-6L, "1.234321e-06" },
1914 { 1.234321234321234e-5L, "1.234321e-05" },
1915 { 1.234321234321234e-4L, "1.234321e-04" },
1916 { 1.234321234321234e-3L, "1.234321e-03" },
1917 { 1.234321234321234e-2L, "1.234321e-02" },
1918 { 1.234321234321234e-1L, "1.234321e-01" },
1919 { 1.234321234321234L, "1.234321e+00" },
1920 { 1.234321234321234e1L, "1.234321e+01" },
1921 { 1.234321234321234e2L, "1.234321e+02" },
1922 { 1.234321234321234e3L, "1.234321e+03" },
1923 { 1.234321234321234e4L, "1.234321e+04" },
1924 { 1.234321234321234e5L, "1.234321e+05" },
1925 { 1.234321234321234e6L, "1.234321e+06" },
1926 { 1.234321234321234e7L, "1.234321e+07" },
1927 { 1.234321234321234e8L, "1.234321e+08" },
1928 { 1.234321234321234e9L, "1.234321e+09" },
1929 { 1.234321234321234e10L, "1.234321e+10" },
1930 { 1.234321234321234e11L, "1.234321e+11" },
1931 { 1.234321234321234e12L, "1.234321e+12" },
1932 { 1.234321234321234e13L, "1.234321e+13" },
1933 { 1.234321234321234e14L, "1.234321e+14" },
1934 { 1.234321234321234e15L, "1.234321e+15" },
1935 { 1.234321234321234e16L, "1.234321e+16" },
1936 { 1.234321234321234e17L, "1.234321e+17" },
1937 { 1.234321234321234e18L, "1.234321e+18" },
1938 { 1.234321234321234e19L, "1.234321e+19" },
1939 { 1.234321234321234e20L, "1.234321e+20" },
1940 { 1.234321234321234e21L, "1.234321e+21" },
1941 { 1.234321234321234e22L, "1.234321e+22" },
1942 { 1.234321234321234e23L, "1.234321e+23" },
1943 { 1.234321234321234e24L, "1.234321e+24" },
1944 { 1.234321234321234e25L, "1.234321e+25" },
1945 { 1.234321234321234e26L, "1.234321e+26" },
1946 { 1.234321234321234e27L, "1.234321e+27" },
1947 { 1.234321234321234e28L, "1.234321e+28" },
1948 { 1.234321234321234e29L, "1.234321e+29" },
1949 { 1.234321234321234e30L, "1.234321e+30" },
1950 { 1.234321234321234e31L, "1.234321e+31" },
1951 { 1.234321234321234e32L, "1.234321e+32" },
1952 { 1.234321234321234e33L, "1.234321e+33" },
1953 { 1.234321234321234e34L, "1.234321e+34" },
1954 { 1.234321234321234e35L, "1.234321e+35" },
1955 { 1.234321234321234e36L, "1.234321e+36" }
1958 for (k = 0; k < SIZEOF (data); k++)
1962 my_sprintf (result, "%Le", data[k].value);
1963 const char *expected = data[k].string;
1964 ASSERT (strcmp (result, expected) == 0
1965 /* Some implementations produce exponents with 3 digits. */
1966 || (strlen (result) == strlen (expected) + 1
1967 && memcmp (result, expected, strlen (expected) - 2) == 0
1968 && result[strlen (expected) - 2] == '0'
1969 && strcmp (result + strlen (expected) - 1,
1970 expected + strlen (expected) - 2)
1972 ASSERT (retval == strlen (result));
1976 { /* A negative number. */
1979 my_sprintf (result, "%Le %d", -0.03125L, 33, 44, 55);
1980 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
1981 || strcmp (result, "-3.125000e-002 33") == 0);
1982 ASSERT (retval == strlen (result));
1985 { /* Positive zero. */
1988 my_sprintf (result, "%Le %d", 0.0L, 33, 44, 55);
1989 ASSERT (strcmp (result, "0.000000e+00 33") == 0
1990 || strcmp (result, "0.000000e+000 33") == 0);
1991 ASSERT (retval == strlen (result));
1994 { /* Negative zero. */
1997 my_sprintf (result, "%Le %d", minus_zerol, 33, 44, 55);
1998 if (have_minus_zero ())
1999 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
2000 || strcmp (result, "-0.000000e+000 33") == 0);
2001 ASSERT (retval == strlen (result));
2004 { /* Positive infinity. */
2007 my_sprintf (result, "%Le %d", 1.0L / 0.0L, 33, 44, 55);
2008 ASSERT (strcmp (result, "inf 33") == 0
2009 || strcmp (result, "infinity 33") == 0);
2010 ASSERT (retval == strlen (result));
2013 { /* Negative infinity. */
2016 my_sprintf (result, "%Le %d", -1.0L / 0.0L, 33, 44, 55);
2017 ASSERT (strcmp (result, "-inf 33") == 0
2018 || strcmp (result, "-infinity 33") == 0);
2019 ASSERT (retval == strlen (result));
2025 my_sprintf (result, "%Le %d", NaNl (), 33, 44, 55);
2026 ASSERT (strlen (result) >= 3 + 3
2027 && strisnan (result, 0, strlen (result) - 3, 0)
2028 && strcmp (result + strlen (result) - 3, " 33") == 0);
2029 ASSERT (retval == strlen (result));
2031 #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_))
2033 static union { unsigned int word[4]; long double value; } x =
2034 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2037 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2038 ASSERT (strlen (result) >= 3 + 3
2039 && strisnan (result, 0, strlen (result) - 3, 0)
2040 && strcmp (result + strlen (result) - 3, " 33") == 0);
2041 ASSERT (retval == strlen (result));
2044 /* Signalling NaN. */
2045 static union { unsigned int word[4]; long double value; } x =
2046 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2049 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2050 ASSERT (strlen (result) >= 3 + 3
2051 && strisnan (result, 0, strlen (result) - 3, 0)
2052 && strcmp (result + strlen (result) - 3, " 33") == 0);
2053 ASSERT (retval == strlen (result));
2055 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
2056 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
2057 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
2058 Application Architecture.
2059 Table 5-2 "Floating-Point Register Encodings"
2060 Figure 5-6 "Memory to Floating-Point Register Data Translation"
2063 static union { unsigned int word[4]; long double value; } x =
2064 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2067 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2068 ASSERT (strlen (result) >= 3 + 3
2069 && strisnan (result, 0, strlen (result) - 3, 0)
2070 && strcmp (result + strlen (result) - 3, " 33") == 0);
2071 ASSERT (retval == strlen (result));
2073 { /* Pseudo-Infinity. */
2074 static union { unsigned int word[4]; long double value; } x =
2075 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2078 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2079 ASSERT (strlen (result) >= 3 + 3
2080 && strisnan (result, 0, strlen (result) - 3, 0)
2081 && strcmp (result + strlen (result) - 3, " 33") == 0);
2082 ASSERT (retval == strlen (result));
2084 { /* Pseudo-Zero. */
2085 static union { unsigned int word[4]; long double value; } x =
2086 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2089 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2090 ASSERT (strlen (result) >= 3 + 3
2091 && strisnan (result, 0, strlen (result) - 3, 0)
2092 && strcmp (result + strlen (result) - 3, " 33") == 0);
2093 ASSERT (retval == strlen (result));
2095 { /* Unnormalized number. */
2096 static union { unsigned int word[4]; long double value; } x =
2097 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2100 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2101 ASSERT (strlen (result) >= 3 + 3
2102 && strisnan (result, 0, strlen (result) - 3, 0)
2103 && strcmp (result + strlen (result) - 3, " 33") == 0);
2104 ASSERT (retval == strlen (result));
2106 { /* Pseudo-Denormal. */
2107 static union { unsigned int word[4]; long double value; } x =
2108 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2111 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2112 ASSERT (strlen (result) >= 3 + 3
2113 && strisnan (result, 0, strlen (result) - 3, 0)
2114 && strcmp (result + strlen (result) - 3, " 33") == 0);
2115 ASSERT (retval == strlen (result));
2122 my_sprintf (result, "%15Le %d", 1.75L, 33, 44, 55);
2123 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2124 || strcmp (result, " 1.750000e+000 33") == 0);
2125 ASSERT (retval == strlen (result));
2131 my_sprintf (result, "%-15Le %d", 1.75L, 33, 44, 55);
2132 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2133 || strcmp (result, "1.750000e+000 33") == 0);
2134 ASSERT (retval == strlen (result));
2137 { /* FLAG_SHOWSIGN. */
2140 my_sprintf (result, "%+Le %d", 1.75L, 33, 44, 55);
2141 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
2142 || strcmp (result, "+1.750000e+000 33") == 0);
2143 ASSERT (retval == strlen (result));
2149 my_sprintf (result, "% Le %d", 1.75L, 33, 44, 55);
2150 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2151 || strcmp (result, " 1.750000e+000 33") == 0);
2152 ASSERT (retval == strlen (result));
2158 my_sprintf (result, "%#Le %d", 1.75L, 33, 44, 55);
2159 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2160 || strcmp (result, "1.750000e+000 33") == 0);
2161 ASSERT (retval == strlen (result));
2167 my_sprintf (result, "%#.Le %d", 1.75L, 33, 44, 55);
2168 ASSERT (strcmp (result, "2.e+00 33") == 0
2169 || strcmp (result, "2.e+000 33") == 0);
2170 ASSERT (retval == strlen (result));
2176 my_sprintf (result, "%#.Le %d", 9.75L, 33, 44, 55);
2177 ASSERT (strcmp (result, "1.e+01 33") == 0
2178 || strcmp (result, "1.e+001 33") == 0);
2179 ASSERT (retval == strlen (result));
2182 { /* FLAG_ZERO with finite number. */
2185 my_sprintf (result, "%015Le %d", 1234.0L, 33, 44, 55);
2186 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
2187 || strcmp (result, "001.234000e+003 33") == 0);
2188 ASSERT (retval == strlen (result));
2191 { /* FLAG_ZERO with infinite number. */
2194 my_sprintf (result, "%015Le %d", -1.0L / 0.0L, 33, 44, 55);
2195 ASSERT (strcmp (result, " -inf 33") == 0
2196 || strcmp (result, " -infinity 33") == 0);
2197 ASSERT (retval == strlen (result));
2200 { /* FLAG_ZERO with NaN. */
2203 my_sprintf (result, "%050Le %d", NaNl (), 33, 44, 55);
2204 ASSERT (strlen (result) == 50 + 3
2205 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2206 && strcmp (result + strlen (result) - 3, " 33") == 0);
2207 ASSERT (retval == strlen (result));
2213 my_sprintf (result, "%.Le %d", 1234.0L, 33, 44, 55);
2214 ASSERT (strcmp (result, "1e+03 33") == 0
2215 || strcmp (result, "1e+003 33") == 0);
2216 ASSERT (retval == strlen (result));
2219 { /* Precision with no rounding. */
2222 my_sprintf (result, "%.4Le %d", 999.951L, 33, 44, 55);
2223 ASSERT (strcmp (result, "9.9995e+02 33") == 0
2224 || strcmp (result, "9.9995e+002 33") == 0);
2225 ASSERT (retval == strlen (result));
2228 { /* Precision with rounding. */
2231 my_sprintf (result, "%.4Le %d", 999.996L, 33, 44, 55);
2232 ASSERT (strcmp (result, "1.0000e+03 33") == 0
2233 || strcmp (result, "1.0000e+003 33") == 0);
2234 ASSERT (retval == strlen (result));
2237 /* Test the support of the %g format directive. */
2239 { /* A positive number. */
2242 my_sprintf (result, "%g %d", 12.75, 33, 44, 55);
2243 ASSERT (strcmp (result, "12.75 33") == 0);
2244 ASSERT (retval == strlen (result));
2247 { /* A larger positive number. */
2250 my_sprintf (result, "%g %d", 1234567.0, 33, 44, 55);
2251 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2252 || strcmp (result, "1.23457e+006 33") == 0);
2253 ASSERT (retval == strlen (result));
2256 { /* Small and large positive numbers. */
2257 static struct { double value; const char *string; } data[] =
2259 { 1.234321234321234e-37, "1.23432e-37" },
2260 { 1.234321234321234e-36, "1.23432e-36" },
2261 { 1.234321234321234e-35, "1.23432e-35" },
2262 { 1.234321234321234e-34, "1.23432e-34" },
2263 { 1.234321234321234e-33, "1.23432e-33" },
2264 { 1.234321234321234e-32, "1.23432e-32" },
2265 { 1.234321234321234e-31, "1.23432e-31" },
2266 { 1.234321234321234e-30, "1.23432e-30" },
2267 { 1.234321234321234e-29, "1.23432e-29" },
2268 { 1.234321234321234e-28, "1.23432e-28" },
2269 { 1.234321234321234e-27, "1.23432e-27" },
2270 { 1.234321234321234e-26, "1.23432e-26" },
2271 { 1.234321234321234e-25, "1.23432e-25" },
2272 { 1.234321234321234e-24, "1.23432e-24" },
2273 { 1.234321234321234e-23, "1.23432e-23" },
2274 { 1.234321234321234e-22, "1.23432e-22" },
2275 { 1.234321234321234e-21, "1.23432e-21" },
2276 { 1.234321234321234e-20, "1.23432e-20" },
2277 { 1.234321234321234e-19, "1.23432e-19" },
2278 { 1.234321234321234e-18, "1.23432e-18" },
2279 { 1.234321234321234e-17, "1.23432e-17" },
2280 { 1.234321234321234e-16, "1.23432e-16" },
2281 { 1.234321234321234e-15, "1.23432e-15" },
2282 { 1.234321234321234e-14, "1.23432e-14" },
2283 { 1.234321234321234e-13, "1.23432e-13" },
2284 { 1.234321234321234e-12, "1.23432e-12" },
2285 { 1.234321234321234e-11, "1.23432e-11" },
2286 { 1.234321234321234e-10, "1.23432e-10" },
2287 { 1.234321234321234e-9, "1.23432e-09" },
2288 { 1.234321234321234e-8, "1.23432e-08" },
2289 { 1.234321234321234e-7, "1.23432e-07" },
2290 { 1.234321234321234e-6, "1.23432e-06" },
2291 { 1.234321234321234e-5, "1.23432e-05" },
2292 { 1.234321234321234e-4, "0.000123432" },
2293 { 1.234321234321234e-3, "0.00123432" },
2294 { 1.234321234321234e-2, "0.0123432" },
2295 { 1.234321234321234e-1, "0.123432" },
2296 { 1.234321234321234, "1.23432" },
2297 { 1.234321234321234e1, "12.3432" },
2298 { 1.234321234321234e2, "123.432" },
2299 { 1.234321234321234e3, "1234.32" },
2300 { 1.234321234321234e4, "12343.2" },
2301 { 1.234321234321234e5, "123432" },
2302 { 1.234321234321234e6, "1.23432e+06" },
2303 { 1.234321234321234e7, "1.23432e+07" },
2304 { 1.234321234321234e8, "1.23432e+08" },
2305 { 1.234321234321234e9, "1.23432e+09" },
2306 { 1.234321234321234e10, "1.23432e+10" },
2307 { 1.234321234321234e11, "1.23432e+11" },
2308 { 1.234321234321234e12, "1.23432e+12" },
2309 { 1.234321234321234e13, "1.23432e+13" },
2310 { 1.234321234321234e14, "1.23432e+14" },
2311 { 1.234321234321234e15, "1.23432e+15" },
2312 { 1.234321234321234e16, "1.23432e+16" },
2313 { 1.234321234321234e17, "1.23432e+17" },
2314 { 1.234321234321234e18, "1.23432e+18" },
2315 { 1.234321234321234e19, "1.23432e+19" },
2316 { 1.234321234321234e20, "1.23432e+20" },
2317 { 1.234321234321234e21, "1.23432e+21" },
2318 { 1.234321234321234e22, "1.23432e+22" },
2319 { 1.234321234321234e23, "1.23432e+23" },
2320 { 1.234321234321234e24, "1.23432e+24" },
2321 { 1.234321234321234e25, "1.23432e+25" },
2322 { 1.234321234321234e26, "1.23432e+26" },
2323 { 1.234321234321234e27, "1.23432e+27" },
2324 { 1.234321234321234e28, "1.23432e+28" },
2325 { 1.234321234321234e29, "1.23432e+29" },
2326 { 1.234321234321234e30, "1.23432e+30" },
2327 { 1.234321234321234e31, "1.23432e+31" },
2328 { 1.234321234321234e32, "1.23432e+32" },
2329 { 1.234321234321234e33, "1.23432e+33" },
2330 { 1.234321234321234e34, "1.23432e+34" },
2331 { 1.234321234321234e35, "1.23432e+35" },
2332 { 1.234321234321234e36, "1.23432e+36" }
2335 for (k = 0; k < SIZEOF (data); k++)
2339 my_sprintf (result, "%g", data[k].value);
2340 const char *expected = data[k].string;
2341 ASSERT (strcmp (result, expected) == 0
2342 /* Some implementations produce exponents with 3 digits. */
2343 || (expected[strlen (expected) - 4] == 'e'
2344 && strlen (result) == strlen (expected) + 1
2345 && memcmp (result, expected, strlen (expected) - 2) == 0
2346 && result[strlen (expected) - 2] == '0'
2347 && strcmp (result + strlen (expected) - 1,
2348 expected + strlen (expected) - 2)
2350 ASSERT (retval == strlen (result));
2354 { /* A negative number. */
2357 my_sprintf (result, "%g %d", -0.03125, 33, 44, 55);
2358 ASSERT (strcmp (result, "-0.03125 33") == 0);
2359 ASSERT (retval == strlen (result));
2362 { /* Positive zero. */
2365 my_sprintf (result, "%g %d", 0.0, 33, 44, 55);
2366 ASSERT (strcmp (result, "0 33") == 0);
2367 ASSERT (retval == strlen (result));
2370 { /* Negative zero. */
2373 my_sprintf (result, "%g %d", minus_zerod, 33, 44, 55);
2374 if (have_minus_zero ())
2375 ASSERT (strcmp (result, "-0 33") == 0);
2376 ASSERT (retval == strlen (result));
2379 { /* Positive infinity. */
2382 my_sprintf (result, "%g %d", 1.0 / 0.0, 33, 44, 55);
2383 ASSERT (strcmp (result, "inf 33") == 0
2384 || strcmp (result, "infinity 33") == 0);
2385 ASSERT (retval == strlen (result));
2388 { /* Negative infinity. */
2391 my_sprintf (result, "%g %d", -1.0 / 0.0, 33, 44, 55);
2392 ASSERT (strcmp (result, "-inf 33") == 0
2393 || strcmp (result, "-infinity 33") == 0);
2394 ASSERT (retval == strlen (result));
2400 my_sprintf (result, "%g %d", NaNd (), 33, 44, 55);
2401 ASSERT (strlen (result) >= 3 + 3
2402 && strisnan (result, 0, strlen (result) - 3, 0)
2403 && strcmp (result + strlen (result) - 3, " 33") == 0);
2404 ASSERT (retval == strlen (result));
2410 my_sprintf (result, "%10g %d", 1.75, 33, 44, 55);
2411 ASSERT (strcmp (result, " 1.75 33") == 0);
2412 ASSERT (retval == strlen (result));
2418 my_sprintf (result, "%-10g %d", 1.75, 33, 44, 55);
2419 ASSERT (strcmp (result, "1.75 33") == 0);
2420 ASSERT (retval == strlen (result));
2423 { /* FLAG_SHOWSIGN. */
2426 my_sprintf (result, "%+g %d", 1.75, 33, 44, 55);
2427 ASSERT (strcmp (result, "+1.75 33") == 0);
2428 ASSERT (retval == strlen (result));
2434 my_sprintf (result, "% g %d", 1.75, 33, 44, 55);
2435 ASSERT (strcmp (result, " 1.75 33") == 0);
2436 ASSERT (retval == strlen (result));
2442 my_sprintf (result, "%#g %d", 1.75, 33, 44, 55);
2443 ASSERT (strcmp (result, "1.75000 33") == 0);
2444 ASSERT (retval == strlen (result));
2450 my_sprintf (result, "%#.g %d", 1.75, 33, 44, 55);
2451 ASSERT (strcmp (result, "2. 33") == 0);
2452 ASSERT (retval == strlen (result));
2458 my_sprintf (result, "%#.g %d", 9.75, 33, 44, 55);
2459 ASSERT (strcmp (result, "1.e+01 33") == 0
2460 || strcmp (result, "1.e+001 33") == 0);
2461 ASSERT (retval == strlen (result));
2464 { /* FLAG_ZERO with finite number. */
2467 my_sprintf (result, "%010g %d", 1234.0, 33, 44, 55);
2468 ASSERT (strcmp (result, "0000001234 33") == 0);
2469 ASSERT (retval == strlen (result));
2472 { /* FLAG_ZERO with infinite number. */
2475 my_sprintf (result, "%015g %d", -1.0 / 0.0, 33, 44, 55);
2476 ASSERT (strcmp (result, " -inf 33") == 0
2477 || strcmp (result, " -infinity 33") == 0);
2478 ASSERT (retval == strlen (result));
2481 { /* FLAG_ZERO with NaN. */
2484 my_sprintf (result, "%050g %d", NaNd (), 33, 44, 55);
2485 ASSERT (strlen (result) == 50 + 3
2486 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2487 && strcmp (result + strlen (result) - 3, " 33") == 0);
2488 ASSERT (retval == strlen (result));
2494 my_sprintf (result, "%.g %d", 1234.0, 33, 44, 55);
2495 ASSERT (strcmp (result, "1e+03 33") == 0
2496 || strcmp (result, "1e+003 33") == 0);
2497 ASSERT (retval == strlen (result));
2500 { /* Precision with no rounding. */
2503 my_sprintf (result, "%.5g %d", 999.951, 33, 44, 55);
2504 ASSERT (strcmp (result, "999.95 33") == 0);
2505 ASSERT (retval == strlen (result));
2508 { /* Precision with rounding. */
2511 my_sprintf (result, "%.5g %d", 999.996, 33, 44, 55);
2512 ASSERT (strcmp (result, "1000 33") == 0);
2513 ASSERT (retval == strlen (result));
2516 { /* A positive number. */
2519 my_sprintf (result, "%Lg %d", 12.75L, 33, 44, 55);
2520 ASSERT (strcmp (result, "12.75 33") == 0);
2521 ASSERT (retval == strlen (result));
2524 { /* A larger positive number. */
2527 my_sprintf (result, "%Lg %d", 1234567.0L, 33, 44, 55);
2528 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2529 || strcmp (result, "1.23457e+006 33") == 0);
2530 ASSERT (retval == strlen (result));
2533 { /* Small and large positive numbers. */
2534 static struct { long double value; const char *string; } data[] =
2536 { 1.234321234321234e-37L, "1.23432e-37" },
2537 { 1.234321234321234e-36L, "1.23432e-36" },
2538 { 1.234321234321234e-35L, "1.23432e-35" },
2539 { 1.234321234321234e-34L, "1.23432e-34" },
2540 { 1.234321234321234e-33L, "1.23432e-33" },
2541 { 1.234321234321234e-32L, "1.23432e-32" },
2542 { 1.234321234321234e-31L, "1.23432e-31" },
2543 { 1.234321234321234e-30L, "1.23432e-30" },
2544 { 1.234321234321234e-29L, "1.23432e-29" },
2545 { 1.234321234321234e-28L, "1.23432e-28" },
2546 { 1.234321234321234e-27L, "1.23432e-27" },
2547 { 1.234321234321234e-26L, "1.23432e-26" },
2548 { 1.234321234321234e-25L, "1.23432e-25" },
2549 { 1.234321234321234e-24L, "1.23432e-24" },
2550 { 1.234321234321234e-23L, "1.23432e-23" },
2551 { 1.234321234321234e-22L, "1.23432e-22" },
2552 { 1.234321234321234e-21L, "1.23432e-21" },
2553 { 1.234321234321234e-20L, "1.23432e-20" },
2554 { 1.234321234321234e-19L, "1.23432e-19" },
2555 { 1.234321234321234e-18L, "1.23432e-18" },
2556 { 1.234321234321234e-17L, "1.23432e-17" },
2557 { 1.234321234321234e-16L, "1.23432e-16" },
2558 { 1.234321234321234e-15L, "1.23432e-15" },
2559 { 1.234321234321234e-14L, "1.23432e-14" },
2560 { 1.234321234321234e-13L, "1.23432e-13" },
2561 { 1.234321234321234e-12L, "1.23432e-12" },
2562 { 1.234321234321234e-11L, "1.23432e-11" },
2563 { 1.234321234321234e-10L, "1.23432e-10" },
2564 { 1.234321234321234e-9L, "1.23432e-09" },
2565 { 1.234321234321234e-8L, "1.23432e-08" },
2566 { 1.234321234321234e-7L, "1.23432e-07" },
2567 { 1.234321234321234e-6L, "1.23432e-06" },
2568 { 1.234321234321234e-5L, "1.23432e-05" },
2569 { 1.234321234321234e-4L, "0.000123432" },
2570 { 1.234321234321234e-3L, "0.00123432" },
2571 { 1.234321234321234e-2L, "0.0123432" },
2572 { 1.234321234321234e-1L, "0.123432" },
2573 { 1.234321234321234L, "1.23432" },
2574 { 1.234321234321234e1L, "12.3432" },
2575 { 1.234321234321234e2L, "123.432" },
2576 { 1.234321234321234e3L, "1234.32" },
2577 { 1.234321234321234e4L, "12343.2" },
2578 { 1.234321234321234e5L, "123432" },
2579 { 1.234321234321234e6L, "1.23432e+06" },
2580 { 1.234321234321234e7L, "1.23432e+07" },
2581 { 1.234321234321234e8L, "1.23432e+08" },
2582 { 1.234321234321234e9L, "1.23432e+09" },
2583 { 1.234321234321234e10L, "1.23432e+10" },
2584 { 1.234321234321234e11L, "1.23432e+11" },
2585 { 1.234321234321234e12L, "1.23432e+12" },
2586 { 1.234321234321234e13L, "1.23432e+13" },
2587 { 1.234321234321234e14L, "1.23432e+14" },
2588 { 1.234321234321234e15L, "1.23432e+15" },
2589 { 1.234321234321234e16L, "1.23432e+16" },
2590 { 1.234321234321234e17L, "1.23432e+17" },
2591 { 1.234321234321234e18L, "1.23432e+18" },
2592 { 1.234321234321234e19L, "1.23432e+19" },
2593 { 1.234321234321234e20L, "1.23432e+20" },
2594 { 1.234321234321234e21L, "1.23432e+21" },
2595 { 1.234321234321234e22L, "1.23432e+22" },
2596 { 1.234321234321234e23L, "1.23432e+23" },
2597 { 1.234321234321234e24L, "1.23432e+24" },
2598 { 1.234321234321234e25L, "1.23432e+25" },
2599 { 1.234321234321234e26L, "1.23432e+26" },
2600 { 1.234321234321234e27L, "1.23432e+27" },
2601 { 1.234321234321234e28L, "1.23432e+28" },
2602 { 1.234321234321234e29L, "1.23432e+29" },
2603 { 1.234321234321234e30L, "1.23432e+30" },
2604 { 1.234321234321234e31L, "1.23432e+31" },
2605 { 1.234321234321234e32L, "1.23432e+32" },
2606 { 1.234321234321234e33L, "1.23432e+33" },
2607 { 1.234321234321234e34L, "1.23432e+34" },
2608 { 1.234321234321234e35L, "1.23432e+35" },
2609 { 1.234321234321234e36L, "1.23432e+36" }
2612 for (k = 0; k < SIZEOF (data); k++)
2616 my_sprintf (result, "%Lg", data[k].value);
2617 const char *expected = data[k].string;
2618 ASSERT (strcmp (result, expected) == 0
2619 /* Some implementations produce exponents with 3 digits. */
2620 || (expected[strlen (expected) - 4] == 'e'
2621 && strlen (result) == strlen (expected) + 1
2622 && memcmp (result, expected, strlen (expected) - 2) == 0
2623 && result[strlen (expected) - 2] == '0'
2624 && strcmp (result + strlen (expected) - 1,
2625 expected + strlen (expected) - 2)
2627 ASSERT (retval == strlen (result));
2631 { /* A negative number. */
2634 my_sprintf (result, "%Lg %d", -0.03125L, 33, 44, 55);
2635 ASSERT (strcmp (result, "-0.03125 33") == 0);
2636 ASSERT (retval == strlen (result));
2639 { /* Positive zero. */
2642 my_sprintf (result, "%Lg %d", 0.0L, 33, 44, 55);
2643 ASSERT (strcmp (result, "0 33") == 0);
2644 ASSERT (retval == strlen (result));
2647 { /* Negative zero. */
2650 my_sprintf (result, "%Lg %d", minus_zerol, 33, 44, 55);
2651 if (have_minus_zero ())
2652 ASSERT (strcmp (result, "-0 33") == 0);
2653 ASSERT (retval == strlen (result));
2656 { /* Positive infinity. */
2659 my_sprintf (result, "%Lg %d", 1.0L / 0.0L, 33, 44, 55);
2660 ASSERT (strcmp (result, "inf 33") == 0
2661 || strcmp (result, "infinity 33") == 0);
2662 ASSERT (retval == strlen (result));
2665 { /* Negative infinity. */
2668 my_sprintf (result, "%Lg %d", -1.0L / 0.0L, 33, 44, 55);
2669 ASSERT (strcmp (result, "-inf 33") == 0
2670 || strcmp (result, "-infinity 33") == 0);
2671 ASSERT (retval == strlen (result));
2677 my_sprintf (result, "%Lg %d", NaNl (), 33, 44, 55);
2678 ASSERT (strlen (result) >= 3 + 3
2679 && strisnan (result, 0, strlen (result) - 3, 0)
2680 && strcmp (result + strlen (result) - 3, " 33") == 0);
2681 ASSERT (retval == strlen (result));
2683 #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_))
2685 static union { unsigned int word[4]; long double value; } x =
2686 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2689 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
2690 ASSERT (strlen (result) >= 3 + 3
2691 && strisnan (result, 0, strlen (result) - 3, 0)
2692 && strcmp (result + strlen (result) - 3, " 33") == 0);
2693 ASSERT (retval == strlen (result));
2696 /* Signalling NaN. */
2697 static union { unsigned int word[4]; long double value; } x =
2698 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2701 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
2702 ASSERT (strlen (result) >= 3 + 3
2703 && strisnan (result, 0, strlen (result) - 3, 0)
2704 && strcmp (result + strlen (result) - 3, " 33") == 0);
2705 ASSERT (retval == strlen (result));
2707 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
2708 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
2709 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
2710 Application Architecture.
2711 Table 5-2 "Floating-Point Register Encodings"
2712 Figure 5-6 "Memory to Floating-Point Register Data Translation"
2715 static union { unsigned int word[4]; long double value; } x =
2716 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2719 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2720 ASSERT (strlen (result) >= 3 + 3
2721 && strisnan (result, 0, strlen (result) - 3, 0)
2722 && strcmp (result + strlen (result) - 3, " 33") == 0);
2723 ASSERT (retval == strlen (result));
2725 { /* Pseudo-Infinity. */
2726 static union { unsigned int word[4]; long double value; } x =
2727 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2730 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2731 ASSERT (strlen (result) >= 3 + 3
2732 && strisnan (result, 0, strlen (result) - 3, 0)
2733 && strcmp (result + strlen (result) - 3, " 33") == 0);
2734 ASSERT (retval == strlen (result));
2736 { /* Pseudo-Zero. */
2737 static union { unsigned int word[4]; long double value; } x =
2738 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2741 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2742 ASSERT (strlen (result) >= 3 + 3
2743 && strisnan (result, 0, strlen (result) - 3, 0)
2744 && strcmp (result + strlen (result) - 3, " 33") == 0);
2745 ASSERT (retval == strlen (result));
2747 { /* Unnormalized number. */
2748 static union { unsigned int word[4]; long double value; } x =
2749 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2752 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2753 ASSERT (strlen (result) >= 3 + 3
2754 && strisnan (result, 0, strlen (result) - 3, 0)
2755 && strcmp (result + strlen (result) - 3, " 33") == 0);
2756 ASSERT (retval == strlen (result));
2758 { /* Pseudo-Denormal. */
2759 static union { unsigned int word[4]; long double value; } x =
2760 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2763 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2764 ASSERT (strlen (result) >= 3 + 3
2765 && strisnan (result, 0, strlen (result) - 3, 0)
2766 && strcmp (result + strlen (result) - 3, " 33") == 0);
2767 ASSERT (retval == strlen (result));
2774 my_sprintf (result, "%10Lg %d", 1.75L, 33, 44, 55);
2775 ASSERT (strcmp (result, " 1.75 33") == 0);
2776 ASSERT (retval == strlen (result));
2782 my_sprintf (result, "%-10Lg %d", 1.75L, 33, 44, 55);
2783 ASSERT (strcmp (result, "1.75 33") == 0);
2784 ASSERT (retval == strlen (result));
2787 { /* FLAG_SHOWSIGN. */
2790 my_sprintf (result, "%+Lg %d", 1.75L, 33, 44, 55);
2791 ASSERT (strcmp (result, "+1.75 33") == 0);
2792 ASSERT (retval == strlen (result));
2798 my_sprintf (result, "% Lg %d", 1.75L, 33, 44, 55);
2799 ASSERT (strcmp (result, " 1.75 33") == 0);
2800 ASSERT (retval == strlen (result));
2806 my_sprintf (result, "%#Lg %d", 1.75L, 33, 44, 55);
2807 ASSERT (strcmp (result, "1.75000 33") == 0);
2808 ASSERT (retval == strlen (result));
2814 my_sprintf (result, "%#.Lg %d", 1.75L, 33, 44, 55);
2815 ASSERT (strcmp (result, "2. 33") == 0);
2816 ASSERT (retval == strlen (result));
2822 my_sprintf (result, "%#.Lg %d", 9.75L, 33, 44, 55);
2823 ASSERT (strcmp (result, "1.e+01 33") == 0
2824 || strcmp (result, "1.e+001 33") == 0);
2825 ASSERT (retval == strlen (result));
2828 { /* FLAG_ZERO with finite number. */
2831 my_sprintf (result, "%010Lg %d", 1234.0L, 33, 44, 55);
2832 ASSERT (strcmp (result, "0000001234 33") == 0);
2833 ASSERT (retval == strlen (result));
2836 { /* FLAG_ZERO with infinite number. */
2839 my_sprintf (result, "%015Lg %d", -1.0L / 0.0L, 33, 44, 55);
2840 ASSERT (strcmp (result, " -inf 33") == 0
2841 || strcmp (result, " -infinity 33") == 0);
2842 ASSERT (retval == strlen (result));
2845 { /* FLAG_ZERO with NaN. */
2848 my_sprintf (result, "%050Lg %d", NaNl (), 33, 44, 55);
2849 ASSERT (strlen (result) == 50 + 3
2850 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2851 && strcmp (result + strlen (result) - 3, " 33") == 0);
2852 ASSERT (retval == strlen (result));
2858 my_sprintf (result, "%.Lg %d", 1234.0L, 33, 44, 55);
2859 ASSERT (strcmp (result, "1e+03 33") == 0
2860 || strcmp (result, "1e+003 33") == 0);
2861 ASSERT (retval == strlen (result));
2864 { /* Precision with no rounding. */
2867 my_sprintf (result, "%.5Lg %d", 999.951L, 33, 44, 55);
2868 ASSERT (strcmp (result, "999.95 33") == 0);
2869 ASSERT (retval == strlen (result));
2872 { /* Precision with rounding. */
2875 my_sprintf (result, "%.5Lg %d", 999.996L, 33, 44, 55);
2876 ASSERT (strcmp (result, "1000 33") == 0);
2877 ASSERT (retval == strlen (result));
2880 /* Test the support of the %n format directive. */
2886 my_sprintf (result, "%d %n", 123, &count, 33, 44, 55);
2887 ASSERT (strcmp (result, "123 ") == 0);
2888 ASSERT (retval == strlen (result));
2889 ASSERT (count == 4);
2892 /* Test the support of the POSIX/XSI format strings with positions. */
2897 my_sprintf (result, "%2$d %1$d", 33, 55);
2898 ASSERT (strcmp (result, "55 33") == 0);
2899 ASSERT (retval == strlen (result));
2902 /* Test the support of the grouping flag. */
2907 my_sprintf (result, "%'d %d", 1234567, 99);
2908 ASSERT (result[strlen (result) - 1] == '9');
2909 ASSERT (retval == strlen (result));
2912 /* Test the support of the left-adjust flag. */
2917 my_sprintf (result, "a%*sc", -3, "b");
2918 ASSERT (strcmp (result, "ab c") == 0);
2919 ASSERT (retval == strlen (result));
2925 my_sprintf (result, "a%-*sc", 3, "b");
2926 ASSERT (strcmp (result, "ab c") == 0);
2927 ASSERT (retval == strlen (result));
2933 my_sprintf (result, "a%-*sc", -3, "b");
2934 ASSERT (strcmp (result, "ab c") == 0);
2935 ASSERT (retval == strlen (result));
2938 /* Test the support of large precision. */
2943 my_sprintf (result, "%.4000d %d", 1234567, 99);
2945 for (i = 0; i < 4000 - 7; i++)
2946 ASSERT (result[i] == '0');
2947 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
2948 ASSERT (retval == strlen (result));
2954 my_sprintf (result, "%.*d %d", 4000, 1234567, 99);
2956 for (i = 0; i < 4000 - 7; i++)
2957 ASSERT (result[i] == '0');
2958 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
2959 ASSERT (retval == strlen (result));
2965 my_sprintf (result, "%.4000d %d", -1234567, 99);
2967 ASSERT (result[0] == '-');
2968 for (i = 0; i < 4000 - 7; i++)
2969 ASSERT (result[1 + i] == '0');
2970 ASSERT (strcmp (result + 1 + 4000 - 7, "1234567 99") == 0);
2971 ASSERT (retval == strlen (result));
2977 my_sprintf (result, "%.4000u %d", 1234567, 99);
2979 for (i = 0; i < 4000 - 7; i++)
2980 ASSERT (result[i] == '0');
2981 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
2982 ASSERT (retval == strlen (result));
2988 my_sprintf (result, "%.4000o %d", 1234567, 99);
2990 for (i = 0; i < 4000 - 7; i++)
2991 ASSERT (result[i] == '0');
2992 ASSERT (strcmp (result + 4000 - 7, "4553207 99") == 0);
2993 ASSERT (retval == strlen (result));
2999 my_sprintf (result, "%.4000x %d", 1234567, 99);
3001 for (i = 0; i < 4000 - 6; i++)
3002 ASSERT (result[i] == '0');
3003 ASSERT (strcmp (result + 4000 - 6, "12d687 99") == 0);
3004 ASSERT (retval == strlen (result));
3010 my_sprintf (result, "%#.4000x %d", 1234567, 99);
3012 ASSERT (result[0] == '0');
3013 ASSERT (result[1] == 'x');
3014 for (i = 0; i < 4000 - 6; i++)
3015 ASSERT (result[2 + i] == '0');
3016 ASSERT (strcmp (result + 2 + 4000 - 6, "12d687 99") == 0);
3017 ASSERT (retval == strlen (result));
3023 my_sprintf (result, "%.4000f %d", 1.0, 99);
3025 ASSERT (result[0] == '1');
3026 ASSERT (result[1] == '.');
3027 for (i = 0; i < 4000; i++)
3028 ASSERT (result[2 + i] == '0');
3029 ASSERT (strcmp (result + 2 + 4000, " 99") == 0);
3030 ASSERT (retval == strlen (result));
3036 my_sprintf (result, "%.511f %d", 1.0, 99);
3038 ASSERT (result[0] == '1');
3039 ASSERT (result[1] == '.');
3040 for (i = 0; i < 511; i++)
3041 ASSERT (result[2 + i] == '0');
3042 ASSERT (strcmp (result + 2 + 511, " 99") == 0);
3043 ASSERT (retval == strlen (result));
3052 for (i = 0; i < sizeof (input) - 1; i++)
3053 input[i] = 'a' + ((1000000 / (i + 1)) % 26);
3055 retval = my_sprintf (result, "%.4000s %d", input, 99);
3056 ASSERT (memcmp (result, input, 4000) == 0);
3057 ASSERT (strcmp (result + 4000, " 99") == 0);
3058 ASSERT (retval == strlen (result));
3061 /* Test the support of the %s format directive. */
3063 /* To verify that these tests succeed, it is necessary to run them under
3064 a tool that checks against invalid memory accesses, such as ElectricFence
3065 or "valgrind --tool=memcheck". */
3069 for (i = 1; i <= 8; i++)
3075 block = (char *) malloc (i);
3076 memcpy (block, "abcdefgh", i);
3077 retval = my_sprintf (result, "%.*s", (int) i, block);
3078 ASSERT (memcmp (result, block, i) == 0);
3079 ASSERT (result[i] == '\0');
3080 ASSERT (retval == strlen (result));
3088 for (i = 1; i <= 8; i++)
3095 block = (wchar_t *) malloc (i * sizeof (wchar_t));
3096 for (j = 0; j < i; j++)
3097 block[j] = "abcdefgh"[j];
3098 retval = my_sprintf (result, "%.*ls", (int) i, block);
3099 ASSERT (memcmp (result, "abcdefgh", i) == 0);
3100 ASSERT (result[i] == '\0');
3101 ASSERT (retval == strlen (result));