1 /* Test of POSIX compatible vsnprintf() and snprintf() functions.
2 Copyright (C) 2007-2008 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */
21 /* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0. */
25 static double plus_zero = 0.0;
26 static double minus_zero = -0.0;
27 return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0;
30 /* Representation of an 80-bit 'long double' as an initializer for a sequence
31 of 'unsigned int' words. */
32 #ifdef WORDS_BIGENDIAN
33 # define LDBL80_WORDS(exponent,manthi,mantlo) \
34 { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \
35 ((unsigned int) (manthi) << 16) | (unsigned int) (mantlo) >> 16), \
36 (unsigned int) (mantlo) << 16 \
39 # define LDBL80_WORDS(exponent,manthi,mantlo) \
40 { mantlo, manthi, exponent }
44 strmatch (const char *pattern, const char *string)
46 if (strlen (pattern) != strlen (string))
48 for (; *pattern != '\0'; pattern++, string++)
49 if (*pattern != '*' && *string != *pattern)
54 /* Test whether string[start_index..end_index-1] is a valid textual
55 representation of NaN. */
57 strisnan (const char *string, size_t start_index, size_t end_index, int uppercase)
59 if (start_index < end_index)
61 if (string[start_index] == '-')
63 if (start_index + 3 <= end_index
64 && memcmp (string + start_index, uppercase ? "NAN" : "nan", 3) == 0)
67 if (start_index == end_index
68 || (string[start_index] == '(' && string[end_index - 1] == ')'))
76 test_function (int (*my_snprintf) (char *, size_t, const char *, ...))
81 /* Test return value convention. */
83 for (size = 0; size <= 8; size++)
87 memcpy (buf, "DEADBEEF", 8);
88 retval = my_snprintf (buf, size, "%d", 12345);
94 ASSERT (memcmp (buf, "12345", size - 1) == 0);
95 ASSERT (buf[size - 1] == '\0');
97 ASSERT (memcmp (buf + size, "DEADBEEF" + size, 8 - size) == 0);
101 ASSERT (memcmp (buf, "12345\0EF", 8) == 0);
105 /* Test support of size specifiers as in C99. */
110 my_snprintf (result, sizeof (result), "%ju %d", (uintmax_t) 12345671, 33, 44, 55);
111 ASSERT (strcmp (result, "12345671 33") == 0);
112 ASSERT (retval == strlen (result));
118 my_snprintf (result, sizeof (result), "%zu %d", (size_t) 12345672, 33, 44, 55);
119 ASSERT (strcmp (result, "12345672 33") == 0);
120 ASSERT (retval == strlen (result));
126 my_snprintf (result, sizeof (result), "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55);
127 ASSERT (strcmp (result, "12345673 33") == 0);
128 ASSERT (retval == strlen (result));
134 my_snprintf (result, sizeof (result), "%Lg %d", (long double) 1.5, 33, 44, 55);
135 ASSERT (strcmp (result, "1.5 33") == 0);
136 ASSERT (retval == strlen (result));
139 /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
140 output of floating-point numbers. */
142 { /* A positive number. */
145 my_snprintf (result, sizeof (result), "%a %d", 3.1416015625, 33, 44, 55);
146 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
147 || strcmp (result, "0x3.244p+0 33") == 0
148 || strcmp (result, "0x6.488p-1 33") == 0
149 || strcmp (result, "0xc.91p-2 33") == 0);
150 ASSERT (retval == strlen (result));
153 { /* A negative number. */
156 my_snprintf (result, sizeof (result), "%A %d", -3.1416015625, 33, 44, 55);
157 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
158 || strcmp (result, "-0X3.244P+0 33") == 0
159 || strcmp (result, "-0X6.488P-1 33") == 0
160 || strcmp (result, "-0XC.91P-2 33") == 0);
161 ASSERT (retval == strlen (result));
164 { /* Positive zero. */
167 my_snprintf (result, sizeof (result), "%a %d", 0.0, 33, 44, 55);
168 ASSERT (strcmp (result, "0x0p+0 33") == 0);
169 ASSERT (retval == strlen (result));
172 { /* Negative zero. */
175 my_snprintf (result, sizeof (result), "%a %d", -0.0, 33, 44, 55);
176 if (have_minus_zero ())
177 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
178 ASSERT (retval == strlen (result));
181 { /* Positive infinity. */
184 my_snprintf (result, sizeof (result), "%a %d", 1.0 / 0.0, 33, 44, 55);
185 ASSERT (strcmp (result, "inf 33") == 0);
186 ASSERT (retval == strlen (result));
189 { /* Negative infinity. */
192 my_snprintf (result, sizeof (result), "%a %d", -1.0 / 0.0, 33, 44, 55);
193 ASSERT (strcmp (result, "-inf 33") == 0);
194 ASSERT (retval == strlen (result));
200 my_snprintf (result, sizeof (result), "%a %d", NaNd (), 33, 44, 55);
201 ASSERT (strlen (result) >= 3 + 3
202 && strisnan (result, 0, strlen (result) - 3, 0)
203 && strcmp (result + strlen (result) - 3, " 33") == 0);
204 ASSERT (retval == strlen (result));
207 { /* Rounding near the decimal point. */
210 my_snprintf (result, sizeof (result), "%.0a %d", 1.5, 33, 44, 55);
211 ASSERT (strcmp (result, "0x2p+0 33") == 0
212 || strcmp (result, "0x3p-1 33") == 0
213 || strcmp (result, "0x6p-2 33") == 0
214 || strcmp (result, "0xcp-3 33") == 0);
215 ASSERT (retval == strlen (result));
218 { /* Rounding with precision 0. */
221 my_snprintf (result, sizeof (result), "%.0a %d", 1.51, 33, 44, 55);
222 ASSERT (strcmp (result, "0x2p+0 33") == 0
223 || strcmp (result, "0x3p-1 33") == 0
224 || strcmp (result, "0x6p-2 33") == 0
225 || strcmp (result, "0xcp-3 33") == 0);
226 ASSERT (retval == strlen (result));
229 { /* Rounding with precision 1. */
232 my_snprintf (result, sizeof (result), "%.1a %d", 1.51, 33, 44, 55);
233 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
234 || strcmp (result, "0x3.0p-1 33") == 0
235 || strcmp (result, "0x6.1p-2 33") == 0
236 || strcmp (result, "0xc.1p-3 33") == 0);
237 ASSERT (retval == strlen (result));
240 { /* Rounding with precision 2. */
243 my_snprintf (result, sizeof (result), "%.2a %d", 1.51, 33, 44, 55);
244 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
245 || strcmp (result, "0x3.05p-1 33") == 0
246 || strcmp (result, "0x6.0ap-2 33") == 0
247 || strcmp (result, "0xc.14p-3 33") == 0);
248 ASSERT (retval == strlen (result));
251 { /* Rounding with precision 3. */
254 my_snprintf (result, sizeof (result), "%.3a %d", 1.51, 33, 44, 55);
255 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
256 || strcmp (result, "0x3.052p-1 33") == 0
257 || strcmp (result, "0x6.0a4p-2 33") == 0
258 || strcmp (result, "0xc.148p-3 33") == 0);
259 ASSERT (retval == strlen (result));
262 { /* Rounding can turn a ...FFF into a ...000. */
265 my_snprintf (result, sizeof (result), "%.3a %d", 1.49999, 33, 44, 55);
266 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
267 || strcmp (result, "0x3.000p-1 33") == 0
268 || strcmp (result, "0x6.000p-2 33") == 0
269 || strcmp (result, "0xc.000p-3 33") == 0);
270 ASSERT (retval == strlen (result));
273 { /* Rounding can turn a ...FFF into a ...000.
274 This shows a MacOS X 10.3.9 (Darwin 7.9) bug. */
277 my_snprintf (result, sizeof (result), "%.1a %d", 1.999, 33, 44, 55);
278 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
279 || strcmp (result, "0x2.0p+0 33") == 0
280 || strcmp (result, "0x4.0p-1 33") == 0
281 || strcmp (result, "0x8.0p-2 33") == 0);
282 ASSERT (retval == strlen (result));
288 my_snprintf (result, sizeof (result), "%10a %d", 1.75, 33, 44, 55);
289 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
290 || strcmp (result, " 0x3.8p-1 33") == 0
291 || strcmp (result, " 0x7p-2 33") == 0
292 || strcmp (result, " 0xep-3 33") == 0);
293 ASSERT (retval == strlen (result));
296 { /* Small precision. */
299 my_snprintf (result, sizeof (result), "%.10a %d", 1.75, 33, 44, 55);
300 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
301 || strcmp (result, "0x3.8000000000p-1 33") == 0
302 || strcmp (result, "0x7.0000000000p-2 33") == 0
303 || strcmp (result, "0xe.0000000000p-3 33") == 0);
304 ASSERT (retval == strlen (result));
307 { /* Large precision. */
310 my_snprintf (result, sizeof (result), "%.50a %d", 1.75, 33, 44, 55);
311 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
312 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
313 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
314 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
315 ASSERT (retval == strlen (result));
321 my_snprintf (result, sizeof (result), "%-10a %d", 1.75, 33, 44, 55);
322 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
323 || strcmp (result, "0x3.8p-1 33") == 0
324 || strcmp (result, "0x7p-2 33") == 0
325 || strcmp (result, "0xep-3 33") == 0);
326 ASSERT (retval == strlen (result));
329 { /* FLAG_SHOWSIGN. */
332 my_snprintf (result, sizeof (result), "%+a %d", 1.75, 33, 44, 55);
333 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
334 || strcmp (result, "+0x3.8p-1 33") == 0
335 || strcmp (result, "+0x7p-2 33") == 0
336 || strcmp (result, "+0xep-3 33") == 0);
337 ASSERT (retval == strlen (result));
343 my_snprintf (result, sizeof (result), "% a %d", 1.75, 33, 44, 55);
344 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
345 || strcmp (result, " 0x3.8p-1 33") == 0
346 || strcmp (result, " 0x7p-2 33") == 0
347 || strcmp (result, " 0xep-3 33") == 0);
348 ASSERT (retval == strlen (result));
354 my_snprintf (result, sizeof (result), "%#a %d", 1.75, 33, 44, 55);
355 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
356 || strcmp (result, "0x3.8p-1 33") == 0
357 || strcmp (result, "0x7.p-2 33") == 0
358 || strcmp (result, "0xe.p-3 33") == 0);
359 ASSERT (retval == strlen (result));
365 my_snprintf (result, sizeof (result), "%#a %d", 1.0, 33, 44, 55);
366 ASSERT (strcmp (result, "0x1.p+0 33") == 0
367 || strcmp (result, "0x2.p-1 33") == 0
368 || strcmp (result, "0x4.p-2 33") == 0
369 || strcmp (result, "0x8.p-3 33") == 0);
370 ASSERT (retval == strlen (result));
373 { /* FLAG_ZERO with finite number. */
376 my_snprintf (result, sizeof (result), "%010a %d", 1.75, 33, 44, 55);
377 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
378 || strcmp (result, "0x003.8p-1 33") == 0
379 || strcmp (result, "0x00007p-2 33") == 0
380 || strcmp (result, "0x0000ep-3 33") == 0);
381 ASSERT (retval == strlen (result));
384 { /* FLAG_ZERO with infinite number. */
387 my_snprintf (result, sizeof (result), "%010a %d", 1.0 / 0.0, 33, 44, 55);
388 /* "0000000inf 33" is not a valid result; see
389 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
390 ASSERT (strcmp (result, " inf 33") == 0);
391 ASSERT (retval == strlen (result));
394 { /* FLAG_ZERO with NaN. */
397 my_snprintf (result, sizeof (result), "%050a %d", NaNd (), 33, 44, 55);
398 /* "0000000nan 33" is not a valid result; see
399 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
400 ASSERT (strlen (result) == 50 + 3
401 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
402 && strcmp (result + strlen (result) - 3, " 33") == 0);
403 ASSERT (retval == strlen (result));
406 { /* A positive number. */
409 my_snprintf (result, sizeof (result), "%La %d", 3.1416015625L, 33, 44, 55);
410 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
411 || strcmp (result, "0x3.244p+0 33") == 0
412 || strcmp (result, "0x6.488p-1 33") == 0
413 || strcmp (result, "0xc.91p-2 33") == 0);
414 ASSERT (retval == strlen (result));
417 { /* A negative number. */
420 my_snprintf (result, sizeof (result), "%LA %d", -3.1416015625L, 33, 44, 55);
421 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
422 || strcmp (result, "-0X3.244P+0 33") == 0
423 || strcmp (result, "-0X6.488P-1 33") == 0
424 || strcmp (result, "-0XC.91P-2 33") == 0);
425 ASSERT (retval == strlen (result));
428 { /* Positive zero. */
431 my_snprintf (result, sizeof (result), "%La %d", 0.0L, 33, 44, 55);
432 ASSERT (strcmp (result, "0x0p+0 33") == 0);
433 ASSERT (retval == strlen (result));
436 { /* Negative zero. */
439 my_snprintf (result, sizeof (result), "%La %d", -0.0L, 33, 44, 55);
440 if (have_minus_zero ())
441 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
442 ASSERT (retval == strlen (result));
445 { /* Positive infinity. */
448 my_snprintf (result, sizeof (result), "%La %d", 1.0L / 0.0L, 33, 44, 55);
449 ASSERT (strcmp (result, "inf 33") == 0);
450 ASSERT (retval == strlen (result));
453 { /* Negative infinity. */
456 my_snprintf (result, sizeof (result), "%La %d", -1.0L / 0.0L, 33, 44, 55);
457 ASSERT (strcmp (result, "-inf 33") == 0);
458 ASSERT (retval == strlen (result));
464 my_snprintf (result, sizeof (result), "%La %d", NaNl (), 33, 44, 55);
465 ASSERT (strlen (result) >= 3 + 3
466 && strisnan (result, 0, strlen (result) - 3, 0)
467 && strcmp (result + strlen (result) - 3, " 33") == 0);
468 ASSERT (retval == strlen (result));
470 #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_))
472 static union { unsigned int word[4]; long double value; } x =
473 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
476 my_snprintf (result, sizeof (result), "%La %d", x.value, 33, 44, 55);
477 ASSERT (strlen (result) >= 3 + 3
478 && strisnan (result, 0, strlen (result) - 3, 0)
479 && strcmp (result + strlen (result) - 3, " 33") == 0);
480 ASSERT (retval == strlen (result));
483 /* Signalling NaN. */
484 static union { unsigned int word[4]; long double value; } x =
485 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
488 my_snprintf (result, sizeof (result), "%La %d", x.value, 33, 44, 55);
489 ASSERT (strlen (result) >= 3 + 3
490 && strisnan (result, 0, strlen (result) - 3, 0)
491 && strcmp (result + strlen (result) - 3, " 33") == 0);
492 ASSERT (retval == strlen (result));
494 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
495 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
496 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
497 Application Architecture.
498 Table 5-2 "Floating-Point Register Encodings"
499 Figure 5-6 "Memory to Floating-Point Register Data Translation"
502 static union { unsigned int word[4]; long double value; } x =
503 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
506 my_snprintf (result, sizeof (result), "%La %d", x.value, 33, 44, 55);
507 ASSERT (strlen (result) >= 3 + 3
508 && strisnan (result, 0, strlen (result) - 3, 0)
509 && strcmp (result + strlen (result) - 3, " 33") == 0);
510 ASSERT (retval == strlen (result));
512 { /* Pseudo-Infinity. */
513 static union { unsigned int word[4]; long double value; } x =
514 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
517 my_snprintf (result, sizeof (result), "%La %d", x.value, 33, 44, 55);
518 ASSERT (strlen (result) >= 3 + 3
519 && strisnan (result, 0, strlen (result) - 3, 0)
520 && strcmp (result + strlen (result) - 3, " 33") == 0);
521 ASSERT (retval == strlen (result));
524 static union { unsigned int word[4]; long double value; } x =
525 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
528 my_snprintf (result, sizeof (result), "%La %d", x.value, 33, 44, 55);
529 ASSERT (strlen (result) >= 3 + 3
530 && strisnan (result, 0, strlen (result) - 3, 0)
531 && strcmp (result + strlen (result) - 3, " 33") == 0);
532 ASSERT (retval == strlen (result));
534 { /* Unnormalized number. */
535 static union { unsigned int word[4]; long double value; } x =
536 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
539 my_snprintf (result, sizeof (result), "%La %d", x.value, 33, 44, 55);
540 ASSERT (strlen (result) >= 3 + 3
541 && strisnan (result, 0, strlen (result) - 3, 0)
542 && strcmp (result + strlen (result) - 3, " 33") == 0);
543 ASSERT (retval == strlen (result));
545 { /* Pseudo-Denormal. */
546 static union { unsigned int word[4]; long double value; } x =
547 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
550 my_snprintf (result, sizeof (result), "%La %d", x.value, 33, 44, 55);
551 ASSERT (strlen (result) >= 3 + 3
552 && strisnan (result, 0, strlen (result) - 3, 0)
553 && strcmp (result + strlen (result) - 3, " 33") == 0);
554 ASSERT (retval == strlen (result));
558 { /* Rounding near the decimal point. */
561 my_snprintf (result, sizeof (result), "%.0La %d", 1.5L, 33, 44, 55);
562 ASSERT (strcmp (result, "0x2p+0 33") == 0
563 || strcmp (result, "0x3p-1 33") == 0
564 || strcmp (result, "0x6p-2 33") == 0
565 || strcmp (result, "0xcp-3 33") == 0);
566 ASSERT (retval == strlen (result));
569 { /* Rounding with precision 0. */
572 my_snprintf (result, sizeof (result), "%.0La %d", 1.51L, 33, 44, 55);
573 ASSERT (strcmp (result, "0x2p+0 33") == 0
574 || strcmp (result, "0x3p-1 33") == 0
575 || strcmp (result, "0x6p-2 33") == 0
576 || strcmp (result, "0xcp-3 33") == 0);
577 ASSERT (retval == strlen (result));
580 { /* Rounding with precision 1. */
583 my_snprintf (result, sizeof (result), "%.1La %d", 1.51L, 33, 44, 55);
584 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
585 || strcmp (result, "0x3.0p-1 33") == 0
586 || strcmp (result, "0x6.1p-2 33") == 0
587 || strcmp (result, "0xc.1p-3 33") == 0);
588 ASSERT (retval == strlen (result));
591 { /* Rounding with precision 2. */
594 my_snprintf (result, sizeof (result), "%.2La %d", 1.51L, 33, 44, 55);
595 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
596 || strcmp (result, "0x3.05p-1 33") == 0
597 || strcmp (result, "0x6.0ap-2 33") == 0
598 || strcmp (result, "0xc.14p-3 33") == 0);
599 ASSERT (retval == strlen (result));
602 { /* Rounding with precision 3. */
605 my_snprintf (result, sizeof (result), "%.3La %d", 1.51L, 33, 44, 55);
606 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
607 || strcmp (result, "0x3.052p-1 33") == 0
608 || strcmp (result, "0x6.0a4p-2 33") == 0
609 || strcmp (result, "0xc.148p-3 33") == 0);
610 ASSERT (retval == strlen (result));
613 { /* Rounding can turn a ...FFF into a ...000. */
616 my_snprintf (result, sizeof (result), "%.3La %d", 1.49999L, 33, 44, 55);
617 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
618 || strcmp (result, "0x3.000p-1 33") == 0
619 || strcmp (result, "0x6.000p-2 33") == 0
620 || strcmp (result, "0xc.000p-3 33") == 0);
621 ASSERT (retval == strlen (result));
624 { /* Rounding can turn a ...FFF into a ...000.
625 This shows a MacOS X 10.3.9 (Darwin 7.9) bug and a
626 glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
629 my_snprintf (result, sizeof (result), "%.1La %d", 1.999L, 33, 44, 55);
630 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
631 || strcmp (result, "0x2.0p+0 33") == 0
632 || strcmp (result, "0x4.0p-1 33") == 0
633 || strcmp (result, "0x8.0p-2 33") == 0);
634 ASSERT (retval == strlen (result));
640 my_snprintf (result, sizeof (result), "%10La %d", 1.75L, 33, 44, 55);
641 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
642 || strcmp (result, " 0x3.8p-1 33") == 0
643 || strcmp (result, " 0x7p-2 33") == 0
644 || strcmp (result, " 0xep-3 33") == 0);
645 ASSERT (retval == strlen (result));
648 { /* Small precision. */
651 my_snprintf (result, sizeof (result), "%.10La %d", 1.75L, 33, 44, 55);
652 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
653 || strcmp (result, "0x3.8000000000p-1 33") == 0
654 || strcmp (result, "0x7.0000000000p-2 33") == 0
655 || strcmp (result, "0xe.0000000000p-3 33") == 0);
656 ASSERT (retval == strlen (result));
659 { /* Large precision. */
662 my_snprintf (result, sizeof (result), "%.50La %d", 1.75L, 33, 44, 55);
663 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
664 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
665 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
666 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
667 ASSERT (retval == strlen (result));
673 my_snprintf (result, sizeof (result), "%-10La %d", 1.75L, 33, 44, 55);
674 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
675 || strcmp (result, "0x3.8p-1 33") == 0
676 || strcmp (result, "0x7p-2 33") == 0
677 || strcmp (result, "0xep-3 33") == 0);
678 ASSERT (retval == strlen (result));
681 { /* FLAG_SHOWSIGN. */
684 my_snprintf (result, sizeof (result), "%+La %d", 1.75L, 33, 44, 55);
685 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
686 || strcmp (result, "+0x3.8p-1 33") == 0
687 || strcmp (result, "+0x7p-2 33") == 0
688 || strcmp (result, "+0xep-3 33") == 0);
689 ASSERT (retval == strlen (result));
695 my_snprintf (result, sizeof (result), "% La %d", 1.75L, 33, 44, 55);
696 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
697 || strcmp (result, " 0x3.8p-1 33") == 0
698 || strcmp (result, " 0x7p-2 33") == 0
699 || strcmp (result, " 0xep-3 33") == 0);
700 ASSERT (retval == strlen (result));
706 my_snprintf (result, sizeof (result), "%#La %d", 1.75L, 33, 44, 55);
707 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
708 || strcmp (result, "0x3.8p-1 33") == 0
709 || strcmp (result, "0x7.p-2 33") == 0
710 || strcmp (result, "0xe.p-3 33") == 0);
711 ASSERT (retval == strlen (result));
717 my_snprintf (result, sizeof (result), "%#La %d", 1.0L, 33, 44, 55);
718 ASSERT (strcmp (result, "0x1.p+0 33") == 0
719 || strcmp (result, "0x2.p-1 33") == 0
720 || strcmp (result, "0x4.p-2 33") == 0
721 || strcmp (result, "0x8.p-3 33") == 0);
722 ASSERT (retval == strlen (result));
725 { /* FLAG_ZERO with finite number. */
728 my_snprintf (result, sizeof (result), "%010La %d", 1.75L, 33, 44, 55);
729 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
730 || strcmp (result, "0x003.8p-1 33") == 0
731 || strcmp (result, "0x00007p-2 33") == 0
732 || strcmp (result, "0x0000ep-3 33") == 0);
733 ASSERT (retval == strlen (result));
736 { /* FLAG_ZERO with infinite number. */
739 my_snprintf (result, sizeof (result), "%010La %d", 1.0L / 0.0L, 33, 44, 55);
740 /* "0000000inf 33" is not a valid result; see
741 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
742 ASSERT (strcmp (result, " inf 33") == 0);
743 ASSERT (retval == strlen (result));
746 { /* FLAG_ZERO with NaN. */
749 my_snprintf (result, sizeof (result), "%050La %d", NaNl (), 33, 44, 55);
750 /* "0000000nan 33" is not a valid result; see
751 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
752 ASSERT (strlen (result) == 50 + 3
753 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
754 && strcmp (result + strlen (result) - 3, " 33") == 0);
755 ASSERT (retval == strlen (result));
758 /* Test the support of the %f format directive. */
760 { /* A positive number. */
763 my_snprintf (result, sizeof (result), "%f %d", 12.75, 33, 44, 55);
764 ASSERT (strcmp (result, "12.750000 33") == 0);
765 ASSERT (retval == strlen (result));
768 { /* A larger positive number. */
771 my_snprintf (result, sizeof (result), "%f %d", 1234567.0, 33, 44, 55);
772 ASSERT (strcmp (result, "1234567.000000 33") == 0);
773 ASSERT (retval == strlen (result));
776 { /* Small and large positive numbers. */
777 static struct { double value; const char *string; } data[] =
779 { 1.234321234321234e-37, "0.000000" },
780 { 1.234321234321234e-36, "0.000000" },
781 { 1.234321234321234e-35, "0.000000" },
782 { 1.234321234321234e-34, "0.000000" },
783 { 1.234321234321234e-33, "0.000000" },
784 { 1.234321234321234e-32, "0.000000" },
785 { 1.234321234321234e-31, "0.000000" },
786 { 1.234321234321234e-30, "0.000000" },
787 { 1.234321234321234e-29, "0.000000" },
788 { 1.234321234321234e-28, "0.000000" },
789 { 1.234321234321234e-27, "0.000000" },
790 { 1.234321234321234e-26, "0.000000" },
791 { 1.234321234321234e-25, "0.000000" },
792 { 1.234321234321234e-24, "0.000000" },
793 { 1.234321234321234e-23, "0.000000" },
794 { 1.234321234321234e-22, "0.000000" },
795 { 1.234321234321234e-21, "0.000000" },
796 { 1.234321234321234e-20, "0.000000" },
797 { 1.234321234321234e-19, "0.000000" },
798 { 1.234321234321234e-18, "0.000000" },
799 { 1.234321234321234e-17, "0.000000" },
800 { 1.234321234321234e-16, "0.000000" },
801 { 1.234321234321234e-15, "0.000000" },
802 { 1.234321234321234e-14, "0.000000" },
803 { 1.234321234321234e-13, "0.000000" },
804 { 1.234321234321234e-12, "0.000000" },
805 { 1.234321234321234e-11, "0.000000" },
806 { 1.234321234321234e-10, "0.000000" },
807 { 1.234321234321234e-9, "0.000000" },
808 { 1.234321234321234e-8, "0.000000" },
809 { 1.234321234321234e-7, "0.000000" },
810 { 1.234321234321234e-6, "0.000001" },
811 { 1.234321234321234e-5, "0.000012" },
812 { 1.234321234321234e-4, "0.000123" },
813 { 1.234321234321234e-3, "0.001234" },
814 { 1.234321234321234e-2, "0.012343" },
815 { 1.234321234321234e-1, "0.123432" },
816 { 1.234321234321234, "1.234321" },
817 { 1.234321234321234e1, "12.343212" },
818 { 1.234321234321234e2, "123.432123" },
819 { 1.234321234321234e3, "1234.321234" },
820 { 1.234321234321234e4, "12343.212343" },
821 { 1.234321234321234e5, "123432.123432" },
822 { 1.234321234321234e6, "1234321.234321" },
823 { 1.234321234321234e7, "12343212.343212" },
824 { 1.234321234321234e8, "123432123.432123" },
825 { 1.234321234321234e9, "1234321234.321234" },
826 { 1.234321234321234e10, "12343212343.2123**" },
827 { 1.234321234321234e11, "123432123432.123***" },
828 { 1.234321234321234e12, "1234321234321.23****" },
829 { 1.234321234321234e13, "12343212343212.3*****" },
830 { 1.234321234321234e14, "123432123432123.******" },
831 { 1.234321234321234e15, "1234321234321234.000000" },
832 { 1.234321234321234e16, "123432123432123**.000000" },
833 { 1.234321234321234e17, "123432123432123***.000000" },
834 { 1.234321234321234e18, "123432123432123****.000000" },
835 { 1.234321234321234e19, "123432123432123*****.000000" },
836 { 1.234321234321234e20, "123432123432123******.000000" },
837 { 1.234321234321234e21, "123432123432123*******.000000" },
838 { 1.234321234321234e22, "123432123432123********.000000" },
839 { 1.234321234321234e23, "123432123432123*********.000000" },
840 { 1.234321234321234e24, "123432123432123**********.000000" },
841 { 1.234321234321234e25, "123432123432123***********.000000" },
842 { 1.234321234321234e26, "123432123432123************.000000" },
843 { 1.234321234321234e27, "123432123432123*************.000000" },
844 { 1.234321234321234e28, "123432123432123**************.000000" },
845 { 1.234321234321234e29, "123432123432123***************.000000" },
846 { 1.234321234321234e30, "123432123432123****************.000000" },
847 { 1.234321234321234e31, "123432123432123*****************.000000" },
848 { 1.234321234321234e32, "123432123432123******************.000000" },
849 { 1.234321234321234e33, "123432123432123*******************.000000" },
850 { 1.234321234321234e34, "123432123432123********************.000000" },
851 { 1.234321234321234e35, "123432123432123*********************.000000" },
852 { 1.234321234321234e36, "123432123432123**********************.000000" }
855 for (k = 0; k < SIZEOF (data); k++)
859 my_snprintf (result, sizeof (result), "%f", data[k].value);
860 ASSERT (strmatch (data[k].string, result));
861 ASSERT (retval == strlen (result));
865 { /* A negative number. */
868 my_snprintf (result, sizeof (result), "%f %d", -0.03125, 33, 44, 55);
869 ASSERT (strcmp (result, "-0.031250 33") == 0);
870 ASSERT (retval == strlen (result));
873 { /* Positive zero. */
876 my_snprintf (result, sizeof (result), "%f %d", 0.0, 33, 44, 55);
877 ASSERT (strcmp (result, "0.000000 33") == 0);
878 ASSERT (retval == strlen (result));
881 { /* Negative zero. */
884 my_snprintf (result, sizeof (result), "%f %d", -0.0, 33, 44, 55);
885 if (have_minus_zero ())
886 ASSERT (strcmp (result, "-0.000000 33") == 0);
887 ASSERT (retval == strlen (result));
890 { /* Positive infinity. */
893 my_snprintf (result, sizeof (result), "%f %d", 1.0 / 0.0, 33, 44, 55);
894 ASSERT (strcmp (result, "inf 33") == 0
895 || strcmp (result, "infinity 33") == 0);
896 ASSERT (retval == strlen (result));
899 { /* Negative infinity. */
902 my_snprintf (result, sizeof (result), "%f %d", -1.0 / 0.0, 33, 44, 55);
903 ASSERT (strcmp (result, "-inf 33") == 0
904 || strcmp (result, "-infinity 33") == 0);
905 ASSERT (retval == strlen (result));
911 my_snprintf (result, sizeof (result), "%f %d", NaNd (), 33, 44, 55);
912 ASSERT (strlen (result) >= 3 + 3
913 && strisnan (result, 0, strlen (result) - 3, 0)
914 && strcmp (result + strlen (result) - 3, " 33") == 0);
915 ASSERT (retval == strlen (result));
921 my_snprintf (result, sizeof (result), "%10f %d", 1.75, 33, 44, 55);
922 ASSERT (result != NULL);
923 ASSERT (strcmp (result, " 1.750000 33") == 0);
924 ASSERT (retval == strlen (result));
930 my_snprintf (result, sizeof (result), "%-10f %d", 1.75, 33, 44, 55);
931 ASSERT (result != NULL);
932 ASSERT (strcmp (result, "1.750000 33") == 0);
933 ASSERT (retval == strlen (result));
936 { /* FLAG_SHOWSIGN. */
939 my_snprintf (result, sizeof (result), "%+f %d", 1.75, 33, 44, 55);
940 ASSERT (result != NULL);
941 ASSERT (strcmp (result, "+1.750000 33") == 0);
942 ASSERT (retval == strlen (result));
948 my_snprintf (result, sizeof (result), "% f %d", 1.75, 33, 44, 55);
949 ASSERT (result != NULL);
950 ASSERT (strcmp (result, " 1.750000 33") == 0);
951 ASSERT (retval == strlen (result));
957 my_snprintf (result, sizeof (result), "%#f %d", 1.75, 33, 44, 55);
958 ASSERT (result != NULL);
959 ASSERT (strcmp (result, "1.750000 33") == 0);
960 ASSERT (retval == strlen (result));
966 my_snprintf (result, sizeof (result), "%#.f %d", 1.75, 33, 44, 55);
967 ASSERT (result != NULL);
968 ASSERT (strcmp (result, "2. 33") == 0);
969 ASSERT (retval == strlen (result));
972 { /* FLAG_ZERO with finite number. */
975 my_snprintf (result, sizeof (result), "%015f %d", 1234.0, 33, 44, 55);
976 ASSERT (strcmp (result, "00001234.000000 33") == 0);
977 ASSERT (retval == strlen (result));
980 { /* FLAG_ZERO with infinite number. */
983 my_snprintf (result, sizeof (result), "%015f %d", -1.0 / 0.0, 33, 44, 55);
984 ASSERT (strcmp (result, " -inf 33") == 0
985 || strcmp (result, " -infinity 33") == 0);
986 ASSERT (retval == strlen (result));
989 { /* FLAG_ZERO with NaN. */
992 my_snprintf (result, sizeof (result), "%050f %d", NaNd (), 33, 44, 55);
993 ASSERT (strlen (result) == 50 + 3
994 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
995 && strcmp (result + strlen (result) - 3, " 33") == 0);
996 ASSERT (retval == strlen (result));
1002 my_snprintf (result, sizeof (result), "%.f %d", 1234.0, 33, 44, 55);
1003 ASSERT (strcmp (result, "1234 33") == 0);
1004 ASSERT (retval == strlen (result));
1007 { /* A positive number. */
1010 my_snprintf (result, sizeof (result), "%Lf %d", 12.75L, 33, 44, 55);
1011 ASSERT (strcmp (result, "12.750000 33") == 0);
1012 ASSERT (retval == strlen (result));
1015 { /* A larger positive number. */
1018 my_snprintf (result, sizeof (result), "%Lf %d", 1234567.0L, 33, 44, 55);
1019 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1020 ASSERT (retval == strlen (result));
1023 { /* Small and large positive numbers. */
1024 static struct { long double value; const char *string; } data[] =
1026 { 1.234321234321234e-37L, "0.000000" },
1027 { 1.234321234321234e-36L, "0.000000" },
1028 { 1.234321234321234e-35L, "0.000000" },
1029 { 1.234321234321234e-34L, "0.000000" },
1030 { 1.234321234321234e-33L, "0.000000" },
1031 { 1.234321234321234e-32L, "0.000000" },
1032 { 1.234321234321234e-31L, "0.000000" },
1033 { 1.234321234321234e-30L, "0.000000" },
1034 { 1.234321234321234e-29L, "0.000000" },
1035 { 1.234321234321234e-28L, "0.000000" },
1036 { 1.234321234321234e-27L, "0.000000" },
1037 { 1.234321234321234e-26L, "0.000000" },
1038 { 1.234321234321234e-25L, "0.000000" },
1039 { 1.234321234321234e-24L, "0.000000" },
1040 { 1.234321234321234e-23L, "0.000000" },
1041 { 1.234321234321234e-22L, "0.000000" },
1042 { 1.234321234321234e-21L, "0.000000" },
1043 { 1.234321234321234e-20L, "0.000000" },
1044 { 1.234321234321234e-19L, "0.000000" },
1045 { 1.234321234321234e-18L, "0.000000" },
1046 { 1.234321234321234e-17L, "0.000000" },
1047 { 1.234321234321234e-16L, "0.000000" },
1048 { 1.234321234321234e-15L, "0.000000" },
1049 { 1.234321234321234e-14L, "0.000000" },
1050 { 1.234321234321234e-13L, "0.000000" },
1051 { 1.234321234321234e-12L, "0.000000" },
1052 { 1.234321234321234e-11L, "0.000000" },
1053 { 1.234321234321234e-10L, "0.000000" },
1054 { 1.234321234321234e-9L, "0.000000" },
1055 { 1.234321234321234e-8L, "0.000000" },
1056 { 1.234321234321234e-7L, "0.000000" },
1057 { 1.234321234321234e-6L, "0.000001" },
1058 { 1.234321234321234e-5L, "0.000012" },
1059 { 1.234321234321234e-4L, "0.000123" },
1060 { 1.234321234321234e-3L, "0.001234" },
1061 { 1.234321234321234e-2L, "0.012343" },
1062 { 1.234321234321234e-1L, "0.123432" },
1063 { 1.234321234321234L, "1.234321" },
1064 { 1.234321234321234e1L, "12.343212" },
1065 { 1.234321234321234e2L, "123.432123" },
1066 { 1.234321234321234e3L, "1234.321234" },
1067 { 1.234321234321234e4L, "12343.212343" },
1068 { 1.234321234321234e5L, "123432.123432" },
1069 { 1.234321234321234e6L, "1234321.234321" },
1070 { 1.234321234321234e7L, "12343212.343212" },
1071 { 1.234321234321234e8L, "123432123.432123" },
1072 { 1.234321234321234e9L, "1234321234.321234" },
1073 { 1.234321234321234e10L, "12343212343.2123**" },
1074 { 1.234321234321234e11L, "123432123432.123***" },
1075 { 1.234321234321234e12L, "1234321234321.23****" },
1076 { 1.234321234321234e13L, "12343212343212.3*****" },
1077 { 1.234321234321234e14L, "123432123432123.******" },
1078 { 1.234321234321234e15L, "1234321234321234.000000" },
1079 { 1.234321234321234e16L, "123432123432123**.000000" },
1080 { 1.234321234321234e17L, "123432123432123***.000000" },
1081 { 1.234321234321234e18L, "123432123432123****.000000" },
1082 { 1.234321234321234e19L, "123432123432123*****.000000" },
1083 { 1.234321234321234e20L, "123432123432123******.000000" },
1084 { 1.234321234321234e21L, "123432123432123*******.000000" },
1085 { 1.234321234321234e22L, "123432123432123********.000000" },
1086 { 1.234321234321234e23L, "123432123432123*********.000000" },
1087 { 1.234321234321234e24L, "123432123432123**********.000000" },
1088 { 1.234321234321234e25L, "123432123432123***********.000000" },
1089 { 1.234321234321234e26L, "123432123432123************.000000" },
1090 { 1.234321234321234e27L, "123432123432123*************.000000" },
1091 { 1.234321234321234e28L, "123432123432123**************.000000" },
1092 { 1.234321234321234e29L, "123432123432123***************.000000" },
1093 { 1.234321234321234e30L, "123432123432123****************.000000" },
1094 { 1.234321234321234e31L, "123432123432123*****************.000000" },
1095 { 1.234321234321234e32L, "123432123432123******************.000000" },
1096 { 1.234321234321234e33L, "123432123432123*******************.000000" },
1097 { 1.234321234321234e34L, "123432123432123********************.000000" },
1098 { 1.234321234321234e35L, "123432123432123*********************.000000" },
1099 { 1.234321234321234e36L, "123432123432123**********************.000000" }
1102 for (k = 0; k < SIZEOF (data); k++)
1106 my_snprintf (result, sizeof (result), "%Lf", data[k].value);
1107 ASSERT (strmatch (data[k].string, result));
1108 ASSERT (retval == strlen (result));
1112 { /* A negative number. */
1115 my_snprintf (result, sizeof (result), "%Lf %d", -0.03125L, 33, 44, 55);
1116 ASSERT (strcmp (result, "-0.031250 33") == 0);
1117 ASSERT (retval == strlen (result));
1120 { /* Positive zero. */
1123 my_snprintf (result, sizeof (result), "%Lf %d", 0.0L, 33, 44, 55);
1124 ASSERT (strcmp (result, "0.000000 33") == 0);
1125 ASSERT (retval == strlen (result));
1128 { /* Negative zero. */
1131 my_snprintf (result, sizeof (result), "%Lf %d", -0.0L, 33, 44, 55);
1132 if (have_minus_zero ())
1133 ASSERT (strcmp (result, "-0.000000 33") == 0);
1134 ASSERT (retval == strlen (result));
1137 { /* Positive infinity. */
1140 my_snprintf (result, sizeof (result), "%Lf %d", 1.0L / 0.0L, 33, 44, 55);
1141 ASSERT (strcmp (result, "inf 33") == 0
1142 || strcmp (result, "infinity 33") == 0);
1143 ASSERT (retval == strlen (result));
1146 { /* Negative infinity. */
1149 my_snprintf (result, sizeof (result), "%Lf %d", -1.0L / 0.0L, 33, 44, 55);
1150 ASSERT (strcmp (result, "-inf 33") == 0
1151 || strcmp (result, "-infinity 33") == 0);
1152 ASSERT (retval == strlen (result));
1158 my_snprintf (result, sizeof (result), "%Lf %d", NaNl (), 33, 44, 55);
1159 ASSERT (strlen (result) >= 3 + 3
1160 && strisnan (result, 0, strlen (result) - 3, 0)
1161 && strcmp (result + strlen (result) - 3, " 33") == 0);
1162 ASSERT (retval == strlen (result));
1164 #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_))
1166 static union { unsigned int word[4]; long double value; } x =
1167 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
1170 my_snprintf (result, sizeof (result), "%Lf %d", x.value, 33, 44, 55);
1171 ASSERT (strlen (result) >= 3 + 3
1172 && strisnan (result, 0, strlen (result) - 3, 0)
1173 && strcmp (result + strlen (result) - 3, " 33") == 0);
1174 ASSERT (retval == strlen (result));
1177 /* Signalling NaN. */
1178 static union { unsigned int word[4]; long double value; } x =
1179 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
1182 my_snprintf (result, sizeof (result), "%Lf %d", x.value, 33, 44, 55);
1183 ASSERT (strlen (result) >= 3 + 3
1184 && strisnan (result, 0, strlen (result) - 3, 0)
1185 && strcmp (result + strlen (result) - 3, " 33") == 0);
1186 ASSERT (retval == strlen (result));
1188 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
1189 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
1190 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
1191 Application Architecture.
1192 Table 5-2 "Floating-Point Register Encodings"
1193 Figure 5-6 "Memory to Floating-Point Register Data Translation"
1196 static union { unsigned int word[4]; long double value; } x =
1197 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
1200 my_snprintf (result, sizeof (result), "%Lf %d", x.value, 33, 44, 55);
1201 ASSERT (strlen (result) >= 3 + 3
1202 && strisnan (result, 0, strlen (result) - 3, 0)
1203 && strcmp (result + strlen (result) - 3, " 33") == 0);
1204 ASSERT (retval == strlen (result));
1206 { /* Pseudo-Infinity. */
1207 static union { unsigned int word[4]; long double value; } x =
1208 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
1211 my_snprintf (result, sizeof (result), "%Lf %d", x.value, 33, 44, 55);
1212 ASSERT (strlen (result) >= 3 + 3
1213 && strisnan (result, 0, strlen (result) - 3, 0)
1214 && strcmp (result + strlen (result) - 3, " 33") == 0);
1215 ASSERT (retval == strlen (result));
1217 { /* Pseudo-Zero. */
1218 static union { unsigned int word[4]; long double value; } x =
1219 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
1222 my_snprintf (result, sizeof (result), "%Lf %d", x.value, 33, 44, 55);
1223 ASSERT (strlen (result) >= 3 + 3
1224 && strisnan (result, 0, strlen (result) - 3, 0)
1225 && strcmp (result + strlen (result) - 3, " 33") == 0);
1226 ASSERT (retval == strlen (result));
1228 { /* Unnormalized number. */
1229 static union { unsigned int word[4]; long double value; } x =
1230 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
1233 my_snprintf (result, sizeof (result), "%Lf %d", x.value, 33, 44, 55);
1234 ASSERT (strlen (result) >= 3 + 3
1235 && strisnan (result, 0, strlen (result) - 3, 0)
1236 && strcmp (result + strlen (result) - 3, " 33") == 0);
1237 ASSERT (retval == strlen (result));
1239 { /* Pseudo-Denormal. */
1240 static union { unsigned int word[4]; long double value; } x =
1241 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
1244 my_snprintf (result, sizeof (result), "%Lf %d", x.value, 33, 44, 55);
1245 ASSERT (strlen (result) >= 3 + 3
1246 && strisnan (result, 0, strlen (result) - 3, 0)
1247 && strcmp (result + strlen (result) - 3, " 33") == 0);
1248 ASSERT (retval == strlen (result));
1255 my_snprintf (result, sizeof (result), "%10Lf %d", 1.75L, 33, 44, 55);
1256 ASSERT (result != NULL);
1257 ASSERT (strcmp (result, " 1.750000 33") == 0);
1258 ASSERT (retval == strlen (result));
1264 my_snprintf (result, sizeof (result), "%-10Lf %d", 1.75L, 33, 44, 55);
1265 ASSERT (result != NULL);
1266 ASSERT (strcmp (result, "1.750000 33") == 0);
1267 ASSERT (retval == strlen (result));
1270 { /* FLAG_SHOWSIGN. */
1273 my_snprintf (result, sizeof (result), "%+Lf %d", 1.75L, 33, 44, 55);
1274 ASSERT (result != NULL);
1275 ASSERT (strcmp (result, "+1.750000 33") == 0);
1276 ASSERT (retval == strlen (result));
1282 my_snprintf (result, sizeof (result), "% Lf %d", 1.75L, 33, 44, 55);
1283 ASSERT (result != NULL);
1284 ASSERT (strcmp (result, " 1.750000 33") == 0);
1285 ASSERT (retval == strlen (result));
1291 my_snprintf (result, sizeof (result), "%#Lf %d", 1.75L, 33, 44, 55);
1292 ASSERT (result != NULL);
1293 ASSERT (strcmp (result, "1.750000 33") == 0);
1294 ASSERT (retval == strlen (result));
1300 my_snprintf (result, sizeof (result), "%#.Lf %d", 1.75L, 33, 44, 55);
1301 ASSERT (result != NULL);
1302 ASSERT (strcmp (result, "2. 33") == 0);
1303 ASSERT (retval == strlen (result));
1306 { /* FLAG_ZERO with finite number. */
1309 my_snprintf (result, sizeof (result), "%015Lf %d", 1234.0L, 33, 44, 55);
1310 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1311 ASSERT (retval == strlen (result));
1314 { /* FLAG_ZERO with infinite number. */
1317 my_snprintf (result, sizeof (result), "%015Lf %d", -1.0L / 0.0L, 33, 44, 55);
1318 ASSERT (strcmp (result, " -inf 33") == 0
1319 || strcmp (result, " -infinity 33") == 0);
1320 ASSERT (retval == strlen (result));
1323 { /* FLAG_ZERO with NaN. */
1326 my_snprintf (result, sizeof (result), "%050Lf %d", NaNl (), 33, 44, 55);
1327 ASSERT (strlen (result) == 50 + 3
1328 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1329 && strcmp (result + strlen (result) - 3, " 33") == 0);
1330 ASSERT (retval == strlen (result));
1336 my_snprintf (result, sizeof (result), "%.Lf %d", 1234.0L, 33, 44, 55);
1337 ASSERT (strcmp (result, "1234 33") == 0);
1338 ASSERT (retval == strlen (result));
1341 /* Test the support of the %F format directive. */
1343 { /* A positive number. */
1346 my_snprintf (result, sizeof (result), "%F %d", 12.75, 33, 44, 55);
1347 ASSERT (strcmp (result, "12.750000 33") == 0);
1348 ASSERT (retval == strlen (result));
1351 { /* A larger positive number. */
1354 my_snprintf (result, sizeof (result), "%F %d", 1234567.0, 33, 44, 55);
1355 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1356 ASSERT (retval == strlen (result));
1359 { /* A negative number. */
1362 my_snprintf (result, sizeof (result), "%F %d", -0.03125, 33, 44, 55);
1363 ASSERT (strcmp (result, "-0.031250 33") == 0);
1364 ASSERT (retval == strlen (result));
1367 { /* Positive zero. */
1370 my_snprintf (result, sizeof (result), "%F %d", 0.0, 33, 44, 55);
1371 ASSERT (strcmp (result, "0.000000 33") == 0);
1372 ASSERT (retval == strlen (result));
1375 { /* Negative zero. */
1378 my_snprintf (result, sizeof (result), "%F %d", -0.0, 33, 44, 55);
1379 if (have_minus_zero ())
1380 ASSERT (strcmp (result, "-0.000000 33") == 0);
1381 ASSERT (retval == strlen (result));
1384 { /* Positive infinity. */
1387 my_snprintf (result, sizeof (result), "%F %d", 1.0 / 0.0, 33, 44, 55);
1388 ASSERT (strcmp (result, "INF 33") == 0
1389 || strcmp (result, "INFINITY 33") == 0);
1390 ASSERT (retval == strlen (result));
1393 { /* Negative infinity. */
1396 my_snprintf (result, sizeof (result), "%F %d", -1.0 / 0.0, 33, 44, 55);
1397 ASSERT (strcmp (result, "-INF 33") == 0
1398 || strcmp (result, "-INFINITY 33") == 0);
1399 ASSERT (retval == strlen (result));
1405 my_snprintf (result, sizeof (result), "%F %d", NaNd (), 33, 44, 55);
1406 ASSERT (strlen (result) >= 3 + 3
1407 && strisnan (result, 0, strlen (result) - 3, 1)
1408 && strcmp (result + strlen (result) - 3, " 33") == 0);
1409 ASSERT (retval == strlen (result));
1415 my_snprintf (result, sizeof (result), "%015F %d", 1234.0, 33, 44, 55);
1416 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1417 ASSERT (retval == strlen (result));
1420 { /* FLAG_ZERO with infinite number. */
1423 my_snprintf (result, sizeof (result), "%015F %d", -1.0 / 0.0, 33, 44, 55);
1424 ASSERT (strcmp (result, " -INF 33") == 0
1425 || strcmp (result, " -INFINITY 33") == 0);
1426 ASSERT (retval == strlen (result));
1432 my_snprintf (result, sizeof (result), "%.F %d", 1234.0, 33, 44, 55);
1433 ASSERT (strcmp (result, "1234 33") == 0);
1434 ASSERT (retval == strlen (result));
1437 { /* A positive number. */
1440 my_snprintf (result, sizeof (result), "%LF %d", 12.75L, 33, 44, 55);
1441 ASSERT (strcmp (result, "12.750000 33") == 0);
1442 ASSERT (retval == strlen (result));
1445 { /* A larger positive number. */
1448 my_snprintf (result, sizeof (result), "%LF %d", 1234567.0L, 33, 44, 55);
1449 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1450 ASSERT (retval == strlen (result));
1453 { /* A negative number. */
1456 my_snprintf (result, sizeof (result), "%LF %d", -0.03125L, 33, 44, 55);
1457 ASSERT (strcmp (result, "-0.031250 33") == 0);
1458 ASSERT (retval == strlen (result));
1461 { /* Positive zero. */
1464 my_snprintf (result, sizeof (result), "%LF %d", 0.0L, 33, 44, 55);
1465 ASSERT (strcmp (result, "0.000000 33") == 0);
1466 ASSERT (retval == strlen (result));
1469 { /* Negative zero. */
1472 my_snprintf (result, sizeof (result), "%LF %d", -0.0L, 33, 44, 55);
1473 if (have_minus_zero ())
1474 ASSERT (strcmp (result, "-0.000000 33") == 0);
1475 ASSERT (retval == strlen (result));
1478 { /* Positive infinity. */
1481 my_snprintf (result, sizeof (result), "%LF %d", 1.0L / 0.0L, 33, 44, 55);
1482 ASSERT (strcmp (result, "INF 33") == 0
1483 || strcmp (result, "INFINITY 33") == 0);
1484 ASSERT (retval == strlen (result));
1487 { /* Negative infinity. */
1490 my_snprintf (result, sizeof (result), "%LF %d", -1.0L / 0.0L, 33, 44, 55);
1491 ASSERT (strcmp (result, "-INF 33") == 0
1492 || strcmp (result, "-INFINITY 33") == 0);
1493 ASSERT (retval == strlen (result));
1499 my_snprintf (result, sizeof (result), "%LF %d", NaNl (), 33, 44, 55);
1500 ASSERT (strlen (result) >= 3 + 3
1501 && strisnan (result, 0, strlen (result) - 3, 1)
1502 && strcmp (result + strlen (result) - 3, " 33") == 0);
1503 ASSERT (retval == strlen (result));
1509 my_snprintf (result, sizeof (result), "%015LF %d", 1234.0L, 33, 44, 55);
1510 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1511 ASSERT (retval == strlen (result));
1514 { /* FLAG_ZERO with infinite number. */
1517 my_snprintf (result, sizeof (result), "%015LF %d", -1.0L / 0.0L, 33, 44, 55);
1518 ASSERT (strcmp (result, " -INF 33") == 0
1519 || strcmp (result, " -INFINITY 33") == 0);
1520 ASSERT (retval == strlen (result));
1526 my_snprintf (result, sizeof (result), "%.LF %d", 1234.0L, 33, 44, 55);
1527 ASSERT (strcmp (result, "1234 33") == 0);
1528 ASSERT (retval == strlen (result));
1531 /* Test the support of the %e format directive. */
1533 { /* A positive number. */
1536 my_snprintf (result, sizeof (result), "%e %d", 12.75, 33, 44, 55);
1537 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1538 || strcmp (result, "1.275000e+001 33") == 0);
1539 ASSERT (retval == strlen (result));
1542 { /* A larger positive number. */
1545 my_snprintf (result, sizeof (result), "%e %d", 1234567.0, 33, 44, 55);
1546 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1547 || strcmp (result, "1.234567e+006 33") == 0);
1548 ASSERT (retval == strlen (result));
1551 { /* Small and large positive numbers. */
1552 static struct { double value; const char *string; } data[] =
1554 { 1.234321234321234e-37, "1.234321e-37" },
1555 { 1.234321234321234e-36, "1.234321e-36" },
1556 { 1.234321234321234e-35, "1.234321e-35" },
1557 { 1.234321234321234e-34, "1.234321e-34" },
1558 { 1.234321234321234e-33, "1.234321e-33" },
1559 { 1.234321234321234e-32, "1.234321e-32" },
1560 { 1.234321234321234e-31, "1.234321e-31" },
1561 { 1.234321234321234e-30, "1.234321e-30" },
1562 { 1.234321234321234e-29, "1.234321e-29" },
1563 { 1.234321234321234e-28, "1.234321e-28" },
1564 { 1.234321234321234e-27, "1.234321e-27" },
1565 { 1.234321234321234e-26, "1.234321e-26" },
1566 { 1.234321234321234e-25, "1.234321e-25" },
1567 { 1.234321234321234e-24, "1.234321e-24" },
1568 { 1.234321234321234e-23, "1.234321e-23" },
1569 { 1.234321234321234e-22, "1.234321e-22" },
1570 { 1.234321234321234e-21, "1.234321e-21" },
1571 { 1.234321234321234e-20, "1.234321e-20" },
1572 { 1.234321234321234e-19, "1.234321e-19" },
1573 { 1.234321234321234e-18, "1.234321e-18" },
1574 { 1.234321234321234e-17, "1.234321e-17" },
1575 { 1.234321234321234e-16, "1.234321e-16" },
1576 { 1.234321234321234e-15, "1.234321e-15" },
1577 { 1.234321234321234e-14, "1.234321e-14" },
1578 { 1.234321234321234e-13, "1.234321e-13" },
1579 { 1.234321234321234e-12, "1.234321e-12" },
1580 { 1.234321234321234e-11, "1.234321e-11" },
1581 { 1.234321234321234e-10, "1.234321e-10" },
1582 { 1.234321234321234e-9, "1.234321e-09" },
1583 { 1.234321234321234e-8, "1.234321e-08" },
1584 { 1.234321234321234e-7, "1.234321e-07" },
1585 { 1.234321234321234e-6, "1.234321e-06" },
1586 { 1.234321234321234e-5, "1.234321e-05" },
1587 { 1.234321234321234e-4, "1.234321e-04" },
1588 { 1.234321234321234e-3, "1.234321e-03" },
1589 { 1.234321234321234e-2, "1.234321e-02" },
1590 { 1.234321234321234e-1, "1.234321e-01" },
1591 { 1.234321234321234, "1.234321e+00" },
1592 { 1.234321234321234e1, "1.234321e+01" },
1593 { 1.234321234321234e2, "1.234321e+02" },
1594 { 1.234321234321234e3, "1.234321e+03" },
1595 { 1.234321234321234e4, "1.234321e+04" },
1596 { 1.234321234321234e5, "1.234321e+05" },
1597 { 1.234321234321234e6, "1.234321e+06" },
1598 { 1.234321234321234e7, "1.234321e+07" },
1599 { 1.234321234321234e8, "1.234321e+08" },
1600 { 1.234321234321234e9, "1.234321e+09" },
1601 { 1.234321234321234e10, "1.234321e+10" },
1602 { 1.234321234321234e11, "1.234321e+11" },
1603 { 1.234321234321234e12, "1.234321e+12" },
1604 { 1.234321234321234e13, "1.234321e+13" },
1605 { 1.234321234321234e14, "1.234321e+14" },
1606 { 1.234321234321234e15, "1.234321e+15" },
1607 { 1.234321234321234e16, "1.234321e+16" },
1608 { 1.234321234321234e17, "1.234321e+17" },
1609 { 1.234321234321234e18, "1.234321e+18" },
1610 { 1.234321234321234e19, "1.234321e+19" },
1611 { 1.234321234321234e20, "1.234321e+20" },
1612 { 1.234321234321234e21, "1.234321e+21" },
1613 { 1.234321234321234e22, "1.234321e+22" },
1614 { 1.234321234321234e23, "1.234321e+23" },
1615 { 1.234321234321234e24, "1.234321e+24" },
1616 { 1.234321234321234e25, "1.234321e+25" },
1617 { 1.234321234321234e26, "1.234321e+26" },
1618 { 1.234321234321234e27, "1.234321e+27" },
1619 { 1.234321234321234e28, "1.234321e+28" },
1620 { 1.234321234321234e29, "1.234321e+29" },
1621 { 1.234321234321234e30, "1.234321e+30" },
1622 { 1.234321234321234e31, "1.234321e+31" },
1623 { 1.234321234321234e32, "1.234321e+32" },
1624 { 1.234321234321234e33, "1.234321e+33" },
1625 { 1.234321234321234e34, "1.234321e+34" },
1626 { 1.234321234321234e35, "1.234321e+35" },
1627 { 1.234321234321234e36, "1.234321e+36" }
1630 for (k = 0; k < SIZEOF (data); k++)
1634 my_snprintf (result, sizeof (result), "%e", data[k].value);
1635 const char *expected = data[k].string;
1636 ASSERT (result != NULL);
1637 ASSERT (strcmp (result, expected) == 0
1638 /* Some implementations produce exponents with 3 digits. */
1639 || (strlen (result) == strlen (expected) + 1
1640 && memcmp (result, expected, strlen (expected) - 2) == 0
1641 && result[strlen (expected) - 2] == '0'
1642 && strcmp (result + strlen (expected) - 1,
1643 expected + strlen (expected) - 2)
1645 ASSERT (retval == strlen (result));
1649 { /* A negative number. */
1652 my_snprintf (result, sizeof (result), "%e %d", -0.03125, 33, 44, 55);
1653 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
1654 || strcmp (result, "-3.125000e-002 33") == 0);
1655 ASSERT (retval == strlen (result));
1658 { /* Positive zero. */
1661 my_snprintf (result, sizeof (result), "%e %d", 0.0, 33, 44, 55);
1662 ASSERT (strcmp (result, "0.000000e+00 33") == 0
1663 || strcmp (result, "0.000000e+000 33") == 0);
1664 ASSERT (retval == strlen (result));
1667 { /* Negative zero. */
1670 my_snprintf (result, sizeof (result), "%e %d", -0.0, 33, 44, 55);
1671 if (have_minus_zero ())
1672 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
1673 || strcmp (result, "-0.000000e+000 33") == 0);
1674 ASSERT (retval == strlen (result));
1677 { /* Positive infinity. */
1680 my_snprintf (result, sizeof (result), "%e %d", 1.0 / 0.0, 33, 44, 55);
1681 ASSERT (strcmp (result, "inf 33") == 0
1682 || strcmp (result, "infinity 33") == 0);
1683 ASSERT (retval == strlen (result));
1686 { /* Negative infinity. */
1689 my_snprintf (result, sizeof (result), "%e %d", -1.0 / 0.0, 33, 44, 55);
1690 ASSERT (strcmp (result, "-inf 33") == 0
1691 || strcmp (result, "-infinity 33") == 0);
1692 ASSERT (retval == strlen (result));
1698 my_snprintf (result, sizeof (result), "%e %d", NaNd (), 33, 44, 55);
1699 ASSERT (strlen (result) >= 3 + 3
1700 && strisnan (result, 0, strlen (result) - 3, 0)
1701 && strcmp (result + strlen (result) - 3, " 33") == 0);
1702 ASSERT (retval == strlen (result));
1708 my_snprintf (result, sizeof (result), "%15e %d", 1.75, 33, 44, 55);
1709 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1710 || strcmp (result, " 1.750000e+000 33") == 0);
1711 ASSERT (retval == strlen (result));
1717 my_snprintf (result, sizeof (result), "%-15e %d", 1.75, 33, 44, 55);
1718 ASSERT (strcmp (result, "1.750000e+00 33") == 0
1719 || strcmp (result, "1.750000e+000 33") == 0);
1720 ASSERT (retval == strlen (result));
1723 { /* FLAG_SHOWSIGN. */
1726 my_snprintf (result, sizeof (result), "%+e %d", 1.75, 33, 44, 55);
1727 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
1728 || strcmp (result, "+1.750000e+000 33") == 0);
1729 ASSERT (retval == strlen (result));
1735 my_snprintf (result, sizeof (result), "% e %d", 1.75, 33, 44, 55);
1736 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1737 || strcmp (result, " 1.750000e+000 33") == 0);
1738 ASSERT (retval == strlen (result));
1744 my_snprintf (result, sizeof (result), "%#e %d", 1.75, 33, 44, 55);
1745 ASSERT (strcmp (result, "1.750000e+00 33") == 0
1746 || strcmp (result, "1.750000e+000 33") == 0);
1747 ASSERT (retval == strlen (result));
1753 my_snprintf (result, sizeof (result), "%#.e %d", 1.75, 33, 44, 55);
1754 ASSERT (strcmp (result, "2.e+00 33") == 0
1755 || strcmp (result, "2.e+000 33") == 0);
1756 ASSERT (retval == strlen (result));
1762 my_snprintf (result, sizeof (result), "%#.e %d", 9.75, 33, 44, 55);
1763 ASSERT (strcmp (result, "1.e+01 33") == 0
1764 || strcmp (result, "1.e+001 33") == 0);
1765 ASSERT (retval == strlen (result));
1768 { /* FLAG_ZERO with finite number. */
1771 my_snprintf (result, sizeof (result), "%015e %d", 1234.0, 33, 44, 55);
1772 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
1773 || strcmp (result, "001.234000e+003 33") == 0);
1774 ASSERT (retval == strlen (result));
1777 { /* FLAG_ZERO with infinite number. */
1780 my_snprintf (result, sizeof (result), "%015e %d", -1.0 / 0.0, 33, 44, 55);
1781 ASSERT (strcmp (result, " -inf 33") == 0
1782 || strcmp (result, " -infinity 33") == 0);
1783 ASSERT (retval == strlen (result));
1786 { /* FLAG_ZERO with NaN. */
1789 my_snprintf (result, sizeof (result), "%050e %d", NaNd (), 33, 44, 55);
1790 ASSERT (strlen (result) == 50 + 3
1791 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1792 && strcmp (result + strlen (result) - 3, " 33") == 0);
1793 ASSERT (retval == strlen (result));
1799 my_snprintf (result, sizeof (result), "%.e %d", 1234.0, 33, 44, 55);
1800 ASSERT (strcmp (result, "1e+03 33") == 0
1801 || strcmp (result, "1e+003 33") == 0);
1802 ASSERT (retval == strlen (result));
1805 { /* A positive number. */
1808 my_snprintf (result, sizeof (result), "%Le %d", 12.75L, 33, 44, 55);
1809 ASSERT (strcmp (result, "1.275000e+01 33") == 0);
1810 ASSERT (retval == strlen (result));
1813 { /* A larger positive number. */
1816 my_snprintf (result, sizeof (result), "%Le %d", 1234567.0L, 33, 44, 55);
1817 ASSERT (strcmp (result, "1.234567e+06 33") == 0);
1818 ASSERT (retval == strlen (result));
1821 { /* Small and large positive numbers. */
1822 static struct { long double value; const char *string; } data[] =
1824 { 1.234321234321234e-37L, "1.234321e-37" },
1825 { 1.234321234321234e-36L, "1.234321e-36" },
1826 { 1.234321234321234e-35L, "1.234321e-35" },
1827 { 1.234321234321234e-34L, "1.234321e-34" },
1828 { 1.234321234321234e-33L, "1.234321e-33" },
1829 { 1.234321234321234e-32L, "1.234321e-32" },
1830 { 1.234321234321234e-31L, "1.234321e-31" },
1831 { 1.234321234321234e-30L, "1.234321e-30" },
1832 { 1.234321234321234e-29L, "1.234321e-29" },
1833 { 1.234321234321234e-28L, "1.234321e-28" },
1834 { 1.234321234321234e-27L, "1.234321e-27" },
1835 { 1.234321234321234e-26L, "1.234321e-26" },
1836 { 1.234321234321234e-25L, "1.234321e-25" },
1837 { 1.234321234321234e-24L, "1.234321e-24" },
1838 { 1.234321234321234e-23L, "1.234321e-23" },
1839 { 1.234321234321234e-22L, "1.234321e-22" },
1840 { 1.234321234321234e-21L, "1.234321e-21" },
1841 { 1.234321234321234e-20L, "1.234321e-20" },
1842 { 1.234321234321234e-19L, "1.234321e-19" },
1843 { 1.234321234321234e-18L, "1.234321e-18" },
1844 { 1.234321234321234e-17L, "1.234321e-17" },
1845 { 1.234321234321234e-16L, "1.234321e-16" },
1846 { 1.234321234321234e-15L, "1.234321e-15" },
1847 { 1.234321234321234e-14L, "1.234321e-14" },
1848 { 1.234321234321234e-13L, "1.234321e-13" },
1849 { 1.234321234321234e-12L, "1.234321e-12" },
1850 { 1.234321234321234e-11L, "1.234321e-11" },
1851 { 1.234321234321234e-10L, "1.234321e-10" },
1852 { 1.234321234321234e-9L, "1.234321e-09" },
1853 { 1.234321234321234e-8L, "1.234321e-08" },
1854 { 1.234321234321234e-7L, "1.234321e-07" },
1855 { 1.234321234321234e-6L, "1.234321e-06" },
1856 { 1.234321234321234e-5L, "1.234321e-05" },
1857 { 1.234321234321234e-4L, "1.234321e-04" },
1858 { 1.234321234321234e-3L, "1.234321e-03" },
1859 { 1.234321234321234e-2L, "1.234321e-02" },
1860 { 1.234321234321234e-1L, "1.234321e-01" },
1861 { 1.234321234321234L, "1.234321e+00" },
1862 { 1.234321234321234e1L, "1.234321e+01" },
1863 { 1.234321234321234e2L, "1.234321e+02" },
1864 { 1.234321234321234e3L, "1.234321e+03" },
1865 { 1.234321234321234e4L, "1.234321e+04" },
1866 { 1.234321234321234e5L, "1.234321e+05" },
1867 { 1.234321234321234e6L, "1.234321e+06" },
1868 { 1.234321234321234e7L, "1.234321e+07" },
1869 { 1.234321234321234e8L, "1.234321e+08" },
1870 { 1.234321234321234e9L, "1.234321e+09" },
1871 { 1.234321234321234e10L, "1.234321e+10" },
1872 { 1.234321234321234e11L, "1.234321e+11" },
1873 { 1.234321234321234e12L, "1.234321e+12" },
1874 { 1.234321234321234e13L, "1.234321e+13" },
1875 { 1.234321234321234e14L, "1.234321e+14" },
1876 { 1.234321234321234e15L, "1.234321e+15" },
1877 { 1.234321234321234e16L, "1.234321e+16" },
1878 { 1.234321234321234e17L, "1.234321e+17" },
1879 { 1.234321234321234e18L, "1.234321e+18" },
1880 { 1.234321234321234e19L, "1.234321e+19" },
1881 { 1.234321234321234e20L, "1.234321e+20" },
1882 { 1.234321234321234e21L, "1.234321e+21" },
1883 { 1.234321234321234e22L, "1.234321e+22" },
1884 { 1.234321234321234e23L, "1.234321e+23" },
1885 { 1.234321234321234e24L, "1.234321e+24" },
1886 { 1.234321234321234e25L, "1.234321e+25" },
1887 { 1.234321234321234e26L, "1.234321e+26" },
1888 { 1.234321234321234e27L, "1.234321e+27" },
1889 { 1.234321234321234e28L, "1.234321e+28" },
1890 { 1.234321234321234e29L, "1.234321e+29" },
1891 { 1.234321234321234e30L, "1.234321e+30" },
1892 { 1.234321234321234e31L, "1.234321e+31" },
1893 { 1.234321234321234e32L, "1.234321e+32" },
1894 { 1.234321234321234e33L, "1.234321e+33" },
1895 { 1.234321234321234e34L, "1.234321e+34" },
1896 { 1.234321234321234e35L, "1.234321e+35" },
1897 { 1.234321234321234e36L, "1.234321e+36" }
1900 for (k = 0; k < SIZEOF (data); k++)
1904 my_snprintf (result, sizeof (result), "%Le", data[k].value);
1905 ASSERT (strcmp (result, data[k].string) == 0);
1906 ASSERT (retval == strlen (result));
1910 { /* A negative number. */
1913 my_snprintf (result, sizeof (result), "%Le %d", -0.03125L, 33, 44, 55);
1914 ASSERT (strcmp (result, "-3.125000e-02 33") == 0);
1915 ASSERT (retval == strlen (result));
1918 { /* Positive zero. */
1921 my_snprintf (result, sizeof (result), "%Le %d", 0.0L, 33, 44, 55);
1922 ASSERT (strcmp (result, "0.000000e+00 33") == 0);
1923 ASSERT (retval == strlen (result));
1926 { /* Negative zero. */
1929 my_snprintf (result, sizeof (result), "%Le %d", -0.0L, 33, 44, 55);
1930 if (have_minus_zero ())
1931 ASSERT (strcmp (result, "-0.000000e+00 33") == 0);
1932 ASSERT (retval == strlen (result));
1935 { /* Positive infinity. */
1938 my_snprintf (result, sizeof (result), "%Le %d", 1.0L / 0.0L, 33, 44, 55);
1939 ASSERT (strcmp (result, "inf 33") == 0
1940 || strcmp (result, "infinity 33") == 0);
1941 ASSERT (retval == strlen (result));
1944 { /* Negative infinity. */
1947 my_snprintf (result, sizeof (result), "%Le %d", -1.0L / 0.0L, 33, 44, 55);
1948 ASSERT (strcmp (result, "-inf 33") == 0
1949 || strcmp (result, "-infinity 33") == 0);
1950 ASSERT (retval == strlen (result));
1956 my_snprintf (result, sizeof (result), "%Le %d", NaNl (), 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));
1962 #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_))
1964 static union { unsigned int word[4]; long double value; } x =
1965 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
1968 my_snprintf (result, sizeof (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));
1975 /* Signalling NaN. */
1976 static union { unsigned int word[4]; long double value; } x =
1977 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
1980 my_snprintf (result, sizeof (result), "%Le %d", x.value, 33, 44, 55);
1981 ASSERT (strlen (result) >= 3 + 3
1982 && strisnan (result, 0, strlen (result) - 3, 0)
1983 && strcmp (result + strlen (result) - 3, " 33") == 0);
1984 ASSERT (retval == strlen (result));
1986 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
1987 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
1988 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
1989 Application Architecture.
1990 Table 5-2 "Floating-Point Register Encodings"
1991 Figure 5-6 "Memory to Floating-Point Register Data Translation"
1994 static union { unsigned int word[4]; long double value; } x =
1995 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
1998 my_snprintf (result, sizeof (result), "%Le %d", x.value, 33, 44, 55);
1999 ASSERT (strlen (result) >= 3 + 3
2000 && strisnan (result, 0, strlen (result) - 3, 0)
2001 && strcmp (result + strlen (result) - 3, " 33") == 0);
2002 ASSERT (retval == strlen (result));
2004 { /* Pseudo-Infinity. */
2005 static union { unsigned int word[4]; long double value; } x =
2006 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2009 my_snprintf (result, sizeof (result), "%Le %d", x.value, 33, 44, 55);
2010 ASSERT (strlen (result) >= 3 + 3
2011 && strisnan (result, 0, strlen (result) - 3, 0)
2012 && strcmp (result + strlen (result) - 3, " 33") == 0);
2013 ASSERT (retval == strlen (result));
2015 { /* Pseudo-Zero. */
2016 static union { unsigned int word[4]; long double value; } x =
2017 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2020 my_snprintf (result, sizeof (result), "%Le %d", x.value, 33, 44, 55);
2021 ASSERT (strlen (result) >= 3 + 3
2022 && strisnan (result, 0, strlen (result) - 3, 0)
2023 && strcmp (result + strlen (result) - 3, " 33") == 0);
2024 ASSERT (retval == strlen (result));
2026 { /* Unnormalized number. */
2027 static union { unsigned int word[4]; long double value; } x =
2028 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2031 my_snprintf (result, sizeof (result), "%Le %d", x.value, 33, 44, 55);
2032 ASSERT (strlen (result) >= 3 + 3
2033 && strisnan (result, 0, strlen (result) - 3, 0)
2034 && strcmp (result + strlen (result) - 3, " 33") == 0);
2035 ASSERT (retval == strlen (result));
2037 { /* Pseudo-Denormal. */
2038 static union { unsigned int word[4]; long double value; } x =
2039 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2042 my_snprintf (result, sizeof (result), "%Le %d", x.value, 33, 44, 55);
2043 ASSERT (strlen (result) >= 3 + 3
2044 && strisnan (result, 0, strlen (result) - 3, 0)
2045 && strcmp (result + strlen (result) - 3, " 33") == 0);
2046 ASSERT (retval == strlen (result));
2053 my_snprintf (result, sizeof (result), "%15Le %d", 1.75L, 33, 44, 55);
2054 ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
2055 ASSERT (retval == strlen (result));
2061 my_snprintf (result, sizeof (result), "%-15Le %d", 1.75L, 33, 44, 55);
2062 ASSERT (strcmp (result, "1.750000e+00 33") == 0);
2063 ASSERT (retval == strlen (result));
2066 { /* FLAG_SHOWSIGN. */
2069 my_snprintf (result, sizeof (result), "%+Le %d", 1.75L, 33, 44, 55);
2070 ASSERT (strcmp (result, "+1.750000e+00 33") == 0);
2071 ASSERT (retval == strlen (result));
2077 my_snprintf (result, sizeof (result), "% Le %d", 1.75L, 33, 44, 55);
2078 ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
2079 ASSERT (retval == strlen (result));
2085 my_snprintf (result, sizeof (result), "%#Le %d", 1.75L, 33, 44, 55);
2086 ASSERT (strcmp (result, "1.750000e+00 33") == 0);
2087 ASSERT (retval == strlen (result));
2093 my_snprintf (result, sizeof (result), "%#.Le %d", 1.75L, 33, 44, 55);
2094 ASSERT (strcmp (result, "2.e+00 33") == 0);
2095 ASSERT (retval == strlen (result));
2101 my_snprintf (result, sizeof (result), "%#.Le %d", 9.75L, 33, 44, 55);
2102 ASSERT (strcmp (result, "1.e+01 33") == 0);
2103 ASSERT (retval == strlen (result));
2106 { /* FLAG_ZERO with finite number. */
2109 my_snprintf (result, sizeof (result), "%015Le %d", 1234.0L, 33, 44, 55);
2110 ASSERT (strcmp (result, "0001.234000e+03 33") == 0);
2111 ASSERT (retval == strlen (result));
2114 { /* FLAG_ZERO with infinite number. */
2117 my_snprintf (result, sizeof (result), "%015Le %d", -1.0L / 0.0L, 33, 44, 55);
2118 ASSERT (strcmp (result, " -inf 33") == 0
2119 || strcmp (result, " -infinity 33") == 0);
2120 ASSERT (retval == strlen (result));
2123 { /* FLAG_ZERO with NaN. */
2126 my_snprintf (result, sizeof (result), "%050Le %d", NaNl (), 33, 44, 55);
2127 ASSERT (strlen (result) == 50 + 3
2128 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2129 && strcmp (result + strlen (result) - 3, " 33") == 0);
2130 ASSERT (retval == strlen (result));
2136 my_snprintf (result, sizeof (result), "%.Le %d", 1234.0L, 33, 44, 55);
2137 ASSERT (strcmp (result, "1e+03 33") == 0);
2138 ASSERT (retval == strlen (result));
2141 /* Test the support of the %g format directive. */
2143 { /* A positive number. */
2146 my_snprintf (result, sizeof (result), "%g %d", 12.75, 33, 44, 55);
2147 ASSERT (strcmp (result, "12.75 33") == 0);
2148 ASSERT (retval == strlen (result));
2151 { /* A larger positive number. */
2154 my_snprintf (result, sizeof (result), "%g %d", 1234567.0, 33, 44, 55);
2155 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2156 || strcmp (result, "1.23457e+006 33") == 0);
2157 ASSERT (retval == strlen (result));
2160 { /* Small and large positive numbers. */
2161 static struct { double value; const char *string; } data[] =
2163 { 1.234321234321234e-37, "1.23432e-37" },
2164 { 1.234321234321234e-36, "1.23432e-36" },
2165 { 1.234321234321234e-35, "1.23432e-35" },
2166 { 1.234321234321234e-34, "1.23432e-34" },
2167 { 1.234321234321234e-33, "1.23432e-33" },
2168 { 1.234321234321234e-32, "1.23432e-32" },
2169 { 1.234321234321234e-31, "1.23432e-31" },
2170 { 1.234321234321234e-30, "1.23432e-30" },
2171 { 1.234321234321234e-29, "1.23432e-29" },
2172 { 1.234321234321234e-28, "1.23432e-28" },
2173 { 1.234321234321234e-27, "1.23432e-27" },
2174 { 1.234321234321234e-26, "1.23432e-26" },
2175 { 1.234321234321234e-25, "1.23432e-25" },
2176 { 1.234321234321234e-24, "1.23432e-24" },
2177 { 1.234321234321234e-23, "1.23432e-23" },
2178 { 1.234321234321234e-22, "1.23432e-22" },
2179 { 1.234321234321234e-21, "1.23432e-21" },
2180 { 1.234321234321234e-20, "1.23432e-20" },
2181 { 1.234321234321234e-19, "1.23432e-19" },
2182 { 1.234321234321234e-18, "1.23432e-18" },
2183 { 1.234321234321234e-17, "1.23432e-17" },
2184 { 1.234321234321234e-16, "1.23432e-16" },
2185 { 1.234321234321234e-15, "1.23432e-15" },
2186 { 1.234321234321234e-14, "1.23432e-14" },
2187 { 1.234321234321234e-13, "1.23432e-13" },
2188 { 1.234321234321234e-12, "1.23432e-12" },
2189 { 1.234321234321234e-11, "1.23432e-11" },
2190 { 1.234321234321234e-10, "1.23432e-10" },
2191 { 1.234321234321234e-9, "1.23432e-09" },
2192 { 1.234321234321234e-8, "1.23432e-08" },
2193 { 1.234321234321234e-7, "1.23432e-07" },
2194 { 1.234321234321234e-6, "1.23432e-06" },
2195 { 1.234321234321234e-5, "1.23432e-05" },
2196 { 1.234321234321234e-4, "0.000123432" },
2197 { 1.234321234321234e-3, "0.00123432" },
2198 { 1.234321234321234e-2, "0.0123432" },
2199 { 1.234321234321234e-1, "0.123432" },
2200 { 1.234321234321234, "1.23432" },
2201 { 1.234321234321234e1, "12.3432" },
2202 { 1.234321234321234e2, "123.432" },
2203 { 1.234321234321234e3, "1234.32" },
2204 { 1.234321234321234e4, "12343.2" },
2205 { 1.234321234321234e5, "123432" },
2206 { 1.234321234321234e6, "1.23432e+06" },
2207 { 1.234321234321234e7, "1.23432e+07" },
2208 { 1.234321234321234e8, "1.23432e+08" },
2209 { 1.234321234321234e9, "1.23432e+09" },
2210 { 1.234321234321234e10, "1.23432e+10" },
2211 { 1.234321234321234e11, "1.23432e+11" },
2212 { 1.234321234321234e12, "1.23432e+12" },
2213 { 1.234321234321234e13, "1.23432e+13" },
2214 { 1.234321234321234e14, "1.23432e+14" },
2215 { 1.234321234321234e15, "1.23432e+15" },
2216 { 1.234321234321234e16, "1.23432e+16" },
2217 { 1.234321234321234e17, "1.23432e+17" },
2218 { 1.234321234321234e18, "1.23432e+18" },
2219 { 1.234321234321234e19, "1.23432e+19" },
2220 { 1.234321234321234e20, "1.23432e+20" },
2221 { 1.234321234321234e21, "1.23432e+21" },
2222 { 1.234321234321234e22, "1.23432e+22" },
2223 { 1.234321234321234e23, "1.23432e+23" },
2224 { 1.234321234321234e24, "1.23432e+24" },
2225 { 1.234321234321234e25, "1.23432e+25" },
2226 { 1.234321234321234e26, "1.23432e+26" },
2227 { 1.234321234321234e27, "1.23432e+27" },
2228 { 1.234321234321234e28, "1.23432e+28" },
2229 { 1.234321234321234e29, "1.23432e+29" },
2230 { 1.234321234321234e30, "1.23432e+30" },
2231 { 1.234321234321234e31, "1.23432e+31" },
2232 { 1.234321234321234e32, "1.23432e+32" },
2233 { 1.234321234321234e33, "1.23432e+33" },
2234 { 1.234321234321234e34, "1.23432e+34" },
2235 { 1.234321234321234e35, "1.23432e+35" },
2236 { 1.234321234321234e36, "1.23432e+36" }
2239 for (k = 0; k < SIZEOF (data); k++)
2243 my_snprintf (result, sizeof (result), "%g", data[k].value);
2244 const char *expected = data[k].string;
2245 ASSERT (strcmp (result, expected) == 0
2246 /* Some implementations produce exponents with 3 digits. */
2247 || (expected[strlen (expected) - 4] == 'e'
2248 && strlen (result) == strlen (expected) + 1
2249 && memcmp (result, expected, strlen (expected) - 2) == 0
2250 && result[strlen (expected) - 2] == '0'
2251 && strcmp (result + strlen (expected) - 1,
2252 expected + strlen (expected) - 2)
2254 ASSERT (retval == strlen (result));
2258 { /* A negative number. */
2261 my_snprintf (result, sizeof (result), "%g %d", -0.03125, 33, 44, 55);
2262 ASSERT (strcmp (result, "-0.03125 33") == 0);
2263 ASSERT (retval == strlen (result));
2266 { /* Positive zero. */
2269 my_snprintf (result, sizeof (result), "%g %d", 0.0, 33, 44, 55);
2270 ASSERT (strcmp (result, "0 33") == 0);
2271 ASSERT (retval == strlen (result));
2274 { /* Negative zero. */
2277 my_snprintf (result, sizeof (result), "%g %d", -0.0, 33, 44, 55);
2278 if (have_minus_zero ())
2279 ASSERT (strcmp (result, "-0 33") == 0);
2280 ASSERT (retval == strlen (result));
2283 { /* Positive infinity. */
2286 my_snprintf (result, sizeof (result), "%g %d", 1.0 / 0.0, 33, 44, 55);
2287 ASSERT (strcmp (result, "inf 33") == 0
2288 || strcmp (result, "infinity 33") == 0);
2289 ASSERT (retval == strlen (result));
2292 { /* Negative infinity. */
2295 my_snprintf (result, sizeof (result), "%g %d", -1.0 / 0.0, 33, 44, 55);
2296 ASSERT (strcmp (result, "-inf 33") == 0
2297 || strcmp (result, "-infinity 33") == 0);
2298 ASSERT (retval == strlen (result));
2304 my_snprintf (result, sizeof (result), "%g %d", NaNd (), 33, 44, 55);
2305 ASSERT (strlen (result) >= 3 + 3
2306 && strisnan (result, 0, strlen (result) - 3, 0)
2307 && strcmp (result + strlen (result) - 3, " 33") == 0);
2308 ASSERT (retval == strlen (result));
2314 my_snprintf (result, sizeof (result), "%10g %d", 1.75, 33, 44, 55);
2315 ASSERT (strcmp (result, " 1.75 33") == 0);
2316 ASSERT (retval == strlen (result));
2322 my_snprintf (result, sizeof (result), "%-10g %d", 1.75, 33, 44, 55);
2323 ASSERT (strcmp (result, "1.75 33") == 0);
2324 ASSERT (retval == strlen (result));
2327 { /* FLAG_SHOWSIGN. */
2330 my_snprintf (result, sizeof (result), "%+g %d", 1.75, 33, 44, 55);
2331 ASSERT (strcmp (result, "+1.75 33") == 0);
2332 ASSERT (retval == strlen (result));
2338 my_snprintf (result, sizeof (result), "% g %d", 1.75, 33, 44, 55);
2339 ASSERT (strcmp (result, " 1.75 33") == 0);
2340 ASSERT (retval == strlen (result));
2346 my_snprintf (result, sizeof (result), "%#g %d", 1.75, 33, 44, 55);
2347 ASSERT (strcmp (result, "1.75000 33") == 0);
2348 ASSERT (retval == strlen (result));
2354 my_snprintf (result, sizeof (result), "%#.g %d", 1.75, 33, 44, 55);
2355 ASSERT (strcmp (result, "2. 33") == 0);
2356 ASSERT (retval == strlen (result));
2362 my_snprintf (result, sizeof (result), "%#.g %d", 9.75, 33, 44, 55);
2363 ASSERT (strcmp (result, "1.e+01 33") == 0
2364 || strcmp (result, "1.e+001 33") == 0);
2365 ASSERT (retval == strlen (result));
2368 { /* FLAG_ZERO with finite number. */
2371 my_snprintf (result, sizeof (result), "%010g %d", 1234.0, 33, 44, 55);
2372 ASSERT (strcmp (result, "0000001234 33") == 0);
2373 ASSERT (retval == strlen (result));
2376 { /* FLAG_ZERO with infinite number. */
2379 my_snprintf (result, sizeof (result), "%015g %d", -1.0 / 0.0, 33, 44, 55);
2380 ASSERT (strcmp (result, " -inf 33") == 0
2381 || strcmp (result, " -infinity 33") == 0);
2382 ASSERT (retval == strlen (result));
2385 { /* FLAG_ZERO with NaN. */
2388 my_snprintf (result, sizeof (result), "%050g %d", NaNd (), 33, 44, 55);
2389 ASSERT (strlen (result) == 50 + 3
2390 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2391 && strcmp (result + strlen (result) - 3, " 33") == 0);
2392 ASSERT (retval == strlen (result));
2398 my_snprintf (result, sizeof (result), "%.g %d", 1234.0, 33, 44, 55);
2399 ASSERT (strcmp (result, "1e+03 33") == 0
2400 || strcmp (result, "1e+003 33") == 0);
2401 ASSERT (retval == strlen (result));
2404 { /* A positive number. */
2407 my_snprintf (result, sizeof (result), "%Lg %d", 12.75L, 33, 44, 55);
2408 ASSERT (strcmp (result, "12.75 33") == 0);
2409 ASSERT (retval == strlen (result));
2412 { /* A larger positive number. */
2415 my_snprintf (result, sizeof (result), "%Lg %d", 1234567.0L, 33, 44, 55);
2416 ASSERT (strcmp (result, "1.23457e+06 33") == 0);
2417 ASSERT (retval == strlen (result));
2420 { /* Small and large positive numbers. */
2421 static struct { long double value; const char *string; } data[] =
2423 { 1.234321234321234e-37L, "1.23432e-37" },
2424 { 1.234321234321234e-36L, "1.23432e-36" },
2425 { 1.234321234321234e-35L, "1.23432e-35" },
2426 { 1.234321234321234e-34L, "1.23432e-34" },
2427 { 1.234321234321234e-33L, "1.23432e-33" },
2428 { 1.234321234321234e-32L, "1.23432e-32" },
2429 { 1.234321234321234e-31L, "1.23432e-31" },
2430 { 1.234321234321234e-30L, "1.23432e-30" },
2431 { 1.234321234321234e-29L, "1.23432e-29" },
2432 { 1.234321234321234e-28L, "1.23432e-28" },
2433 { 1.234321234321234e-27L, "1.23432e-27" },
2434 { 1.234321234321234e-26L, "1.23432e-26" },
2435 { 1.234321234321234e-25L, "1.23432e-25" },
2436 { 1.234321234321234e-24L, "1.23432e-24" },
2437 { 1.234321234321234e-23L, "1.23432e-23" },
2438 { 1.234321234321234e-22L, "1.23432e-22" },
2439 { 1.234321234321234e-21L, "1.23432e-21" },
2440 { 1.234321234321234e-20L, "1.23432e-20" },
2441 { 1.234321234321234e-19L, "1.23432e-19" },
2442 { 1.234321234321234e-18L, "1.23432e-18" },
2443 { 1.234321234321234e-17L, "1.23432e-17" },
2444 { 1.234321234321234e-16L, "1.23432e-16" },
2445 { 1.234321234321234e-15L, "1.23432e-15" },
2446 { 1.234321234321234e-14L, "1.23432e-14" },
2447 { 1.234321234321234e-13L, "1.23432e-13" },
2448 { 1.234321234321234e-12L, "1.23432e-12" },
2449 { 1.234321234321234e-11L, "1.23432e-11" },
2450 { 1.234321234321234e-10L, "1.23432e-10" },
2451 { 1.234321234321234e-9L, "1.23432e-09" },
2452 { 1.234321234321234e-8L, "1.23432e-08" },
2453 { 1.234321234321234e-7L, "1.23432e-07" },
2454 { 1.234321234321234e-6L, "1.23432e-06" },
2455 { 1.234321234321234e-5L, "1.23432e-05" },
2456 { 1.234321234321234e-4L, "0.000123432" },
2457 { 1.234321234321234e-3L, "0.00123432" },
2458 { 1.234321234321234e-2L, "0.0123432" },
2459 { 1.234321234321234e-1L, "0.123432" },
2460 { 1.234321234321234L, "1.23432" },
2461 { 1.234321234321234e1L, "12.3432" },
2462 { 1.234321234321234e2L, "123.432" },
2463 { 1.234321234321234e3L, "1234.32" },
2464 { 1.234321234321234e4L, "12343.2" },
2465 { 1.234321234321234e5L, "123432" },
2466 { 1.234321234321234e6L, "1.23432e+06" },
2467 { 1.234321234321234e7L, "1.23432e+07" },
2468 { 1.234321234321234e8L, "1.23432e+08" },
2469 { 1.234321234321234e9L, "1.23432e+09" },
2470 { 1.234321234321234e10L, "1.23432e+10" },
2471 { 1.234321234321234e11L, "1.23432e+11" },
2472 { 1.234321234321234e12L, "1.23432e+12" },
2473 { 1.234321234321234e13L, "1.23432e+13" },
2474 { 1.234321234321234e14L, "1.23432e+14" },
2475 { 1.234321234321234e15L, "1.23432e+15" },
2476 { 1.234321234321234e16L, "1.23432e+16" },
2477 { 1.234321234321234e17L, "1.23432e+17" },
2478 { 1.234321234321234e18L, "1.23432e+18" },
2479 { 1.234321234321234e19L, "1.23432e+19" },
2480 { 1.234321234321234e20L, "1.23432e+20" },
2481 { 1.234321234321234e21L, "1.23432e+21" },
2482 { 1.234321234321234e22L, "1.23432e+22" },
2483 { 1.234321234321234e23L, "1.23432e+23" },
2484 { 1.234321234321234e24L, "1.23432e+24" },
2485 { 1.234321234321234e25L, "1.23432e+25" },
2486 { 1.234321234321234e26L, "1.23432e+26" },
2487 { 1.234321234321234e27L, "1.23432e+27" },
2488 { 1.234321234321234e28L, "1.23432e+28" },
2489 { 1.234321234321234e29L, "1.23432e+29" },
2490 { 1.234321234321234e30L, "1.23432e+30" },
2491 { 1.234321234321234e31L, "1.23432e+31" },
2492 { 1.234321234321234e32L, "1.23432e+32" },
2493 { 1.234321234321234e33L, "1.23432e+33" },
2494 { 1.234321234321234e34L, "1.23432e+34" },
2495 { 1.234321234321234e35L, "1.23432e+35" },
2496 { 1.234321234321234e36L, "1.23432e+36" }
2499 for (k = 0; k < SIZEOF (data); k++)
2503 my_snprintf (result, sizeof (result), "%Lg", data[k].value);
2504 ASSERT (strcmp (result, data[k].string) == 0);
2505 ASSERT (retval == strlen (result));
2509 { /* A negative number. */
2512 my_snprintf (result, sizeof (result), "%Lg %d", -0.03125L, 33, 44, 55);
2513 ASSERT (strcmp (result, "-0.03125 33") == 0);
2514 ASSERT (retval == strlen (result));
2517 { /* Positive zero. */
2520 my_snprintf (result, sizeof (result), "%Lg %d", 0.0L, 33, 44, 55);
2521 ASSERT (strcmp (result, "0 33") == 0);
2522 ASSERT (retval == strlen (result));
2525 { /* Negative zero. */
2528 my_snprintf (result, sizeof (result), "%Lg %d", -0.0L, 33, 44, 55);
2529 if (have_minus_zero ())
2530 ASSERT (strcmp (result, "-0 33") == 0);
2531 ASSERT (retval == strlen (result));
2534 { /* Positive infinity. */
2537 my_snprintf (result, sizeof (result), "%Lg %d", 1.0L / 0.0L, 33, 44, 55);
2538 ASSERT (strcmp (result, "inf 33") == 0
2539 || strcmp (result, "infinity 33") == 0);
2540 ASSERT (retval == strlen (result));
2543 { /* Negative infinity. */
2546 my_snprintf (result, sizeof (result), "%Lg %d", -1.0L / 0.0L, 33, 44, 55);
2547 ASSERT (strcmp (result, "-inf 33") == 0
2548 || strcmp (result, "-infinity 33") == 0);
2549 ASSERT (retval == strlen (result));
2555 my_snprintf (result, sizeof (result), "%Lg %d", NaNl (), 33, 44, 55);
2556 ASSERT (strlen (result) >= 3 + 3
2557 && strisnan (result, 0, strlen (result) - 3, 0)
2558 && strcmp (result + strlen (result) - 3, " 33") == 0);
2559 ASSERT (retval == strlen (result));
2561 #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_))
2563 static union { unsigned int word[4]; long double value; } x =
2564 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2567 my_snprintf (result, sizeof (result), "%Lg %d", x.value, 33, 44, 55);
2568 ASSERT (strlen (result) >= 3 + 3
2569 && strisnan (result, 0, strlen (result) - 3, 0)
2570 && strcmp (result + strlen (result) - 3, " 33") == 0);
2571 ASSERT (retval == strlen (result));
2574 /* Signalling NaN. */
2575 static union { unsigned int word[4]; long double value; } x =
2576 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2579 my_snprintf (result, sizeof (result), "%Lg %d", x.value, 33, 44, 55);
2580 ASSERT (strlen (result) >= 3 + 3
2581 && strisnan (result, 0, strlen (result) - 3, 0)
2582 && strcmp (result + strlen (result) - 3, " 33") == 0);
2583 ASSERT (retval == strlen (result));
2585 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
2586 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
2587 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
2588 Application Architecture.
2589 Table 5-2 "Floating-Point Register Encodings"
2590 Figure 5-6 "Memory to Floating-Point Register Data Translation"
2593 static union { unsigned int word[4]; long double value; } x =
2594 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2597 my_snprintf (result, sizeof (result), "%Lg %d", x.value, 33, 44, 55);
2598 ASSERT (strlen (result) >= 3 + 3
2599 && strisnan (result, 0, strlen (result) - 3, 0)
2600 && strcmp (result + strlen (result) - 3, " 33") == 0);
2601 ASSERT (retval == strlen (result));
2603 { /* Pseudo-Infinity. */
2604 static union { unsigned int word[4]; long double value; } x =
2605 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2608 my_snprintf (result, sizeof (result), "%Lg %d", x.value, 33, 44, 55);
2609 ASSERT (strlen (result) >= 3 + 3
2610 && strisnan (result, 0, strlen (result) - 3, 0)
2611 && strcmp (result + strlen (result) - 3, " 33") == 0);
2612 ASSERT (retval == strlen (result));
2614 { /* Pseudo-Zero. */
2615 static union { unsigned int word[4]; long double value; } x =
2616 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2619 my_snprintf (result, sizeof (result), "%Lg %d", x.value, 33, 44, 55);
2620 ASSERT (strlen (result) >= 3 + 3
2621 && strisnan (result, 0, strlen (result) - 3, 0)
2622 && strcmp (result + strlen (result) - 3, " 33") == 0);
2623 ASSERT (retval == strlen (result));
2625 { /* Unnormalized number. */
2626 static union { unsigned int word[4]; long double value; } x =
2627 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2630 my_snprintf (result, sizeof (result), "%Lg %d", x.value, 33, 44, 55);
2631 ASSERT (strlen (result) >= 3 + 3
2632 && strisnan (result, 0, strlen (result) - 3, 0)
2633 && strcmp (result + strlen (result) - 3, " 33") == 0);
2634 ASSERT (retval == strlen (result));
2636 { /* Pseudo-Denormal. */
2637 static union { unsigned int word[4]; long double value; } x =
2638 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2641 my_snprintf (result, sizeof (result), "%Lg %d", x.value, 33, 44, 55);
2642 ASSERT (strlen (result) >= 3 + 3
2643 && strisnan (result, 0, strlen (result) - 3, 0)
2644 && strcmp (result + strlen (result) - 3, " 33") == 0);
2645 ASSERT (retval == strlen (result));
2652 my_snprintf (result, sizeof (result), "%10Lg %d", 1.75L, 33, 44, 55);
2653 ASSERT (strcmp (result, " 1.75 33") == 0);
2654 ASSERT (retval == strlen (result));
2660 my_snprintf (result, sizeof (result), "%-10Lg %d", 1.75L, 33, 44, 55);
2661 ASSERT (strcmp (result, "1.75 33") == 0);
2662 ASSERT (retval == strlen (result));
2665 { /* FLAG_SHOWSIGN. */
2668 my_snprintf (result, sizeof (result), "%+Lg %d", 1.75L, 33, 44, 55);
2669 ASSERT (strcmp (result, "+1.75 33") == 0);
2670 ASSERT (retval == strlen (result));
2676 my_snprintf (result, sizeof (result), "% Lg %d", 1.75L, 33, 44, 55);
2677 ASSERT (strcmp (result, " 1.75 33") == 0);
2678 ASSERT (retval == strlen (result));
2684 my_snprintf (result, sizeof (result), "%#Lg %d", 1.75L, 33, 44, 55);
2685 ASSERT (strcmp (result, "1.75000 33") == 0);
2686 ASSERT (retval == strlen (result));
2692 my_snprintf (result, sizeof (result), "%#.Lg %d", 1.75L, 33, 44, 55);
2693 ASSERT (strcmp (result, "2. 33") == 0);
2694 ASSERT (retval == strlen (result));
2700 my_snprintf (result, sizeof (result), "%#.Lg %d", 9.75L, 33, 44, 55);
2701 ASSERT (strcmp (result, "1.e+01 33") == 0);
2702 ASSERT (retval == strlen (result));
2705 { /* FLAG_ZERO with finite number. */
2708 my_snprintf (result, sizeof (result), "%010Lg %d", 1234.0L, 33, 44, 55);
2709 ASSERT (strcmp (result, "0000001234 33") == 0);
2710 ASSERT (retval == strlen (result));
2713 { /* FLAG_ZERO with infinite number. */
2716 my_snprintf (result, sizeof (result), "%015Lg %d", -1.0L / 0.0L, 33, 44, 55);
2717 ASSERT (strcmp (result, " -inf 33") == 0
2718 || strcmp (result, " -infinity 33") == 0);
2719 ASSERT (retval == strlen (result));
2722 { /* FLAG_ZERO with NaN. */
2725 my_snprintf (result, sizeof (result), "%050Lg %d", NaNl (), 33, 44, 55);
2726 ASSERT (strlen (result) == 50 + 3
2727 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2728 && strcmp (result + strlen (result) - 3, " 33") == 0);
2729 ASSERT (retval == strlen (result));
2735 my_snprintf (result, sizeof (result), "%.Lg %d", 1234.0L, 33, 44, 55);
2736 ASSERT (strcmp (result, "1e+03 33") == 0);
2737 ASSERT (retval == strlen (result));
2740 /* Test the support of the %n format directive. */
2746 my_snprintf (result, sizeof (result), "%d %n", 123, &count, 33, 44, 55);
2747 ASSERT (strcmp (result, "123 ") == 0);
2748 ASSERT (retval == strlen (result));
2749 ASSERT (count == 4);
2752 /* Test the support of the POSIX/XSI format strings with positions. */
2757 my_snprintf (result, sizeof (result), "%2$d %1$d", 33, 55);
2758 ASSERT (strcmp (result, "55 33") == 0);
2759 ASSERT (retval == strlen (result));
2762 /* Test the support of the grouping flag. */
2767 my_snprintf (result, sizeof (result), "%'d %d", 1234567, 99);
2768 ASSERT (result[strlen (result) - 1] == '9');
2769 ASSERT (retval == strlen (result));
2772 /* Test the support of the left-adjust flag. */
2777 my_snprintf (result, sizeof (result), "a%*sc", -3, "b");
2778 ASSERT (strcmp (result, "ab c") == 0);
2779 ASSERT (retval == strlen (result));
2785 my_snprintf (result, sizeof (result), "a%-*sc", 3, "b");
2786 ASSERT (strcmp (result, "ab c") == 0);
2787 ASSERT (retval == strlen (result));
2793 my_snprintf (result, sizeof (result), "a%-*sc", -3, "b");
2794 ASSERT (strcmp (result, "ab c") == 0);
2795 ASSERT (retval == strlen (result));
2798 /* Test the support of large precision. */
2803 my_snprintf (result, sizeof (result), "%.4000d %d", 1234567, 99);
2805 ASSERT (result != NULL);
2806 for (i = 0; i < 4000 - 7; i++)
2807 ASSERT (result[i] == '0');
2808 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
2809 ASSERT (retval == strlen (result));
2815 my_snprintf (result, sizeof (result), "%.4000d %d", -1234567, 99);
2817 ASSERT (result != NULL);
2818 ASSERT (result[0] == '-');
2819 for (i = 0; i < 4000 - 7; i++)
2820 ASSERT (result[1 + i] == '0');
2821 ASSERT (strcmp (result + 1 + 4000 - 7, "1234567 99") == 0);
2822 ASSERT (retval == strlen (result));
2828 my_snprintf (result, sizeof (result), "%.4000u %d", 1234567, 99);
2830 ASSERT (result != NULL);
2831 for (i = 0; i < 4000 - 7; i++)
2832 ASSERT (result[i] == '0');
2833 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
2834 ASSERT (retval == strlen (result));
2840 my_snprintf (result, sizeof (result), "%.4000o %d", 1234567, 99);
2842 ASSERT (result != NULL);
2843 for (i = 0; i < 4000 - 7; i++)
2844 ASSERT (result[i] == '0');
2845 ASSERT (strcmp (result + 4000 - 7, "4553207 99") == 0);
2846 ASSERT (retval == strlen (result));
2852 my_snprintf (result, sizeof (result), "%.4000x %d", 1234567, 99);
2854 ASSERT (result != NULL);
2855 for (i = 0; i < 4000 - 6; i++)
2856 ASSERT (result[i] == '0');
2857 ASSERT (strcmp (result + 4000 - 6, "12d687 99") == 0);
2858 ASSERT (retval == strlen (result));
2864 my_snprintf (result, sizeof (result), "%#.4000x %d", 1234567, 99);
2866 ASSERT (result != NULL);
2867 ASSERT (result[0] == '0');
2868 ASSERT (result[1] == 'x');
2869 for (i = 0; i < 4000 - 6; i++)
2870 ASSERT (result[2 + i] == '0');
2871 ASSERT (strcmp (result + 2 + 4000 - 6, "12d687 99") == 0);
2872 ASSERT (retval == strlen (result));
2881 for (i = 0; i < sizeof (input) - 1; i++)
2882 input[i] = 'a' + ((1000000 / (i + 1)) % 26);
2884 retval = my_snprintf (result, sizeof (result), "%.4000s %d", input, 99);
2885 ASSERT (result != NULL);
2886 ASSERT (memcmp (result, input, 4000) == 0);
2887 ASSERT (strcmp (result + 4000, " 99") == 0);
2888 ASSERT (retval == strlen (result));