1 /* Test of POSIX compatible vsnprintf() and snprintf() functions.
2 Copyright (C) 2007 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */
19 /* The Compaq (ex-DEC) C 6.4 compiler chokes on the expression 0.0 / 0.0. */
24 static double zero = 0.0;
28 # define NaN() (0.0 / 0.0)
31 /* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0. */
35 static double plus_zero = 0.0;
36 static double minus_zero = -0.0;
37 return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0;
40 /* Representation of an 80-bit 'long double' as an initializer for a sequence
41 of 'unsigned int' words. */
42 #ifdef WORDS_BIGENDIAN
43 # define LDBL80_WORDS(exponent,manthi,mantlo) \
44 { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \
45 ((unsigned int) (manthi) << 16) | (unsigned int) (mantlo) >> 16), \
46 (unsigned int) (mantlo) << 16 \
49 # define LDBL80_WORDS(exponent,manthi,mantlo) \
50 { mantlo, manthi, exponent }
54 strmatch (const char *pattern, const char *string)
56 if (strlen (pattern) != strlen (string))
58 for (; *pattern != '\0'; pattern++, string++)
59 if (*pattern != '*' && *string != *pattern)
64 /* Test whether string[start_index..end_index-1] is a valid textual
65 representation of NaN. */
67 strisnan (const char *string, size_t start_index, size_t end_index, int uppercase)
69 if (start_index < end_index)
71 if (string[start_index] == '-')
73 if (start_index + 3 <= end_index
74 && memcmp (string + start_index, uppercase ? "NAN" : "nan", 3) == 0)
77 if (start_index == end_index
78 || (string[start_index] == '(' && string[end_index - 1] == ')'))
86 test_function (int (*my_snprintf) (char *, size_t, const char *, ...))
91 /* Test return value convention. */
93 for (size = 0; size <= 8; size++)
97 memcpy (buf, "DEADBEEF", 8);
98 retval = my_snprintf (buf, size, "%d", 12345);
104 ASSERT (memcmp (buf, "12345", size - 1) == 0);
105 ASSERT (buf[size - 1] == '\0');
107 ASSERT (memcmp (buf + size, "DEADBEEF" + size, 8 - size) == 0);
111 ASSERT (memcmp (buf, "12345\0EF", 8) == 0);
115 /* Test support of size specifiers as in C99. */
120 my_snprintf (result, sizeof (result), "%ju %d", (uintmax_t) 12345671, 33, 44, 55);
121 ASSERT (strcmp (result, "12345671 33") == 0);
122 ASSERT (retval == strlen (result));
128 my_snprintf (result, sizeof (result), "%zu %d", (size_t) 12345672, 33, 44, 55);
129 ASSERT (strcmp (result, "12345672 33") == 0);
130 ASSERT (retval == strlen (result));
136 my_snprintf (result, sizeof (result), "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55);
137 ASSERT (strcmp (result, "12345673 33") == 0);
138 ASSERT (retval == strlen (result));
144 my_snprintf (result, sizeof (result), "%Lg %d", (long double) 1.5, 33, 44, 55);
145 ASSERT (strcmp (result, "1.5 33") == 0);
146 ASSERT (retval == strlen (result));
149 /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
150 output of floating-point numbers. */
152 { /* A positive number. */
155 my_snprintf (result, sizeof (result), "%a %d", 3.1416015625, 33, 44, 55);
156 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
157 || strcmp (result, "0x3.244p+0 33") == 0
158 || strcmp (result, "0x6.488p-1 33") == 0
159 || strcmp (result, "0xc.91p-2 33") == 0);
160 ASSERT (retval == strlen (result));
163 { /* A negative number. */
166 my_snprintf (result, sizeof (result), "%A %d", -3.1416015625, 33, 44, 55);
167 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
168 || strcmp (result, "-0X3.244P+0 33") == 0
169 || strcmp (result, "-0X6.488P-1 33") == 0
170 || strcmp (result, "-0XC.91P-2 33") == 0);
171 ASSERT (retval == strlen (result));
174 { /* Positive zero. */
177 my_snprintf (result, sizeof (result), "%a %d", 0.0, 33, 44, 55);
178 ASSERT (strcmp (result, "0x0p+0 33") == 0);
179 ASSERT (retval == strlen (result));
182 { /* Negative zero. */
185 my_snprintf (result, sizeof (result), "%a %d", -0.0, 33, 44, 55);
186 if (have_minus_zero ())
187 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
188 ASSERT (retval == strlen (result));
191 { /* Positive infinity. */
194 my_snprintf (result, sizeof (result), "%a %d", 1.0 / 0.0, 33, 44, 55);
195 ASSERT (strcmp (result, "inf 33") == 0);
196 ASSERT (retval == strlen (result));
199 { /* Negative infinity. */
202 my_snprintf (result, sizeof (result), "%a %d", -1.0 / 0.0, 33, 44, 55);
203 ASSERT (strcmp (result, "-inf 33") == 0);
204 ASSERT (retval == strlen (result));
210 my_snprintf (result, sizeof (result), "%a %d", NaN (), 33, 44, 55);
211 ASSERT (strlen (result) >= 3 + 3
212 && strisnan (result, 0, strlen (result) - 3, 0)
213 && strcmp (result + strlen (result) - 3, " 33") == 0);
214 ASSERT (retval == strlen (result));
217 { /* Rounding near the decimal point. */
220 my_snprintf (result, sizeof (result), "%.0a %d", 1.5, 33, 44, 55);
221 ASSERT (strcmp (result, "0x2p+0 33") == 0
222 || strcmp (result, "0x3p-1 33") == 0
223 || strcmp (result, "0x6p-2 33") == 0
224 || strcmp (result, "0xcp-3 33") == 0);
225 ASSERT (retval == strlen (result));
228 { /* Rounding with precision 0. */
231 my_snprintf (result, sizeof (result), "%.0a %d", 1.51, 33, 44, 55);
232 ASSERT (strcmp (result, "0x2p+0 33") == 0
233 || strcmp (result, "0x3p-1 33") == 0
234 || strcmp (result, "0x6p-2 33") == 0
235 || strcmp (result, "0xcp-3 33") == 0);
236 ASSERT (retval == strlen (result));
239 { /* Rounding with precision 1. */
242 my_snprintf (result, sizeof (result), "%.1a %d", 1.51, 33, 44, 55);
243 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
244 || strcmp (result, "0x3.0p-1 33") == 0
245 || strcmp (result, "0x6.1p-2 33") == 0
246 || strcmp (result, "0xc.1p-3 33") == 0);
247 ASSERT (retval == strlen (result));
250 { /* Rounding with precision 2. */
253 my_snprintf (result, sizeof (result), "%.2a %d", 1.51, 33, 44, 55);
254 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
255 || strcmp (result, "0x3.05p-1 33") == 0
256 || strcmp (result, "0x6.0ap-2 33") == 0
257 || strcmp (result, "0xc.14p-3 33") == 0);
258 ASSERT (retval == strlen (result));
261 { /* Rounding with precision 3. */
264 my_snprintf (result, sizeof (result), "%.3a %d", 1.51, 33, 44, 55);
265 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
266 || strcmp (result, "0x3.052p-1 33") == 0
267 || strcmp (result, "0x6.0a4p-2 33") == 0
268 || strcmp (result, "0xc.148p-3 33") == 0);
269 ASSERT (retval == strlen (result));
272 { /* Rounding can turn a ...FFF into a ...000. */
275 my_snprintf (result, sizeof (result), "%.3a %d", 1.49999, 33, 44, 55);
276 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
277 || strcmp (result, "0x3.000p-1 33") == 0
278 || strcmp (result, "0x6.000p-2 33") == 0
279 || strcmp (result, "0xc.000p-3 33") == 0);
280 ASSERT (retval == strlen (result));
283 { /* Rounding can turn a ...FFF into a ...000.
284 This shows a MacOS X 10.3.9 (Darwin 7.9) bug. */
287 my_snprintf (result, sizeof (result), "%.1a %d", 1.999, 33, 44, 55);
288 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
289 || strcmp (result, "0x2.0p+0 33") == 0
290 || strcmp (result, "0x4.0p-1 33") == 0
291 || strcmp (result, "0x8.0p-2 33") == 0);
292 ASSERT (retval == strlen (result));
298 my_snprintf (result, sizeof (result), "%10a %d", 1.75, 33, 44, 55);
299 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
300 || strcmp (result, " 0x3.8p-1 33") == 0
301 || strcmp (result, " 0x7p-2 33") == 0
302 || strcmp (result, " 0xep-3 33") == 0);
303 ASSERT (retval == strlen (result));
306 { /* Small precision. */
309 my_snprintf (result, sizeof (result), "%.10a %d", 1.75, 33, 44, 55);
310 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
311 || strcmp (result, "0x3.8000000000p-1 33") == 0
312 || strcmp (result, "0x7.0000000000p-2 33") == 0
313 || strcmp (result, "0xe.0000000000p-3 33") == 0);
314 ASSERT (retval == strlen (result));
317 { /* Large precision. */
320 my_snprintf (result, sizeof (result), "%.50a %d", 1.75, 33, 44, 55);
321 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
322 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
323 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
324 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
325 ASSERT (retval == strlen (result));
331 my_snprintf (result, sizeof (result), "%-10a %d", 1.75, 33, 44, 55);
332 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
333 || strcmp (result, "0x3.8p-1 33") == 0
334 || strcmp (result, "0x7p-2 33") == 0
335 || strcmp (result, "0xep-3 33") == 0);
336 ASSERT (retval == strlen (result));
339 { /* FLAG_SHOWSIGN. */
342 my_snprintf (result, sizeof (result), "%+a %d", 1.75, 33, 44, 55);
343 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
344 || strcmp (result, "+0x3.8p-1 33") == 0
345 || strcmp (result, "+0x7p-2 33") == 0
346 || strcmp (result, "+0xep-3 33") == 0);
347 ASSERT (retval == strlen (result));
353 my_snprintf (result, sizeof (result), "% a %d", 1.75, 33, 44, 55);
354 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
355 || strcmp (result, " 0x3.8p-1 33") == 0
356 || strcmp (result, " 0x7p-2 33") == 0
357 || strcmp (result, " 0xep-3 33") == 0);
358 ASSERT (retval == strlen (result));
364 my_snprintf (result, sizeof (result), "%#a %d", 1.75, 33, 44, 55);
365 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
366 || strcmp (result, "0x3.8p-1 33") == 0
367 || strcmp (result, "0x7.p-2 33") == 0
368 || strcmp (result, "0xe.p-3 33") == 0);
369 ASSERT (retval == strlen (result));
375 my_snprintf (result, sizeof (result), "%#a %d", 1.0, 33, 44, 55);
376 ASSERT (strcmp (result, "0x1.p+0 33") == 0
377 || strcmp (result, "0x2.p-1 33") == 0
378 || strcmp (result, "0x4.p-2 33") == 0
379 || strcmp (result, "0x8.p-3 33") == 0);
380 ASSERT (retval == strlen (result));
383 { /* FLAG_ZERO with finite number. */
386 my_snprintf (result, sizeof (result), "%010a %d", 1.75, 33, 44, 55);
387 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
388 || strcmp (result, "0x003.8p-1 33") == 0
389 || strcmp (result, "0x00007p-2 33") == 0
390 || strcmp (result, "0x0000ep-3 33") == 0);
391 ASSERT (retval == strlen (result));
394 { /* FLAG_ZERO with infinite number. */
397 my_snprintf (result, sizeof (result), "%010a %d", 1.0 / 0.0, 33, 44, 55);
398 /* "0000000inf 33" is not a valid result; see
399 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
400 ASSERT (strcmp (result, " inf 33") == 0);
401 ASSERT (retval == strlen (result));
404 { /* FLAG_ZERO with NaN. */
407 my_snprintf (result, sizeof (result), "%050a %d", NaN (), 33, 44, 55);
408 /* "0000000nan 33" is not a valid result; see
409 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
410 ASSERT (strlen (result) == 50 + 3
411 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
412 && strcmp (result + strlen (result) - 3, " 33") == 0);
413 ASSERT (retval == strlen (result));
416 { /* A positive number. */
419 my_snprintf (result, sizeof (result), "%La %d", 3.1416015625L, 33, 44, 55);
420 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
421 || strcmp (result, "0x3.244p+0 33") == 0
422 || strcmp (result, "0x6.488p-1 33") == 0
423 || strcmp (result, "0xc.91p-2 33") == 0);
424 ASSERT (retval == strlen (result));
427 { /* A negative number. */
430 my_snprintf (result, sizeof (result), "%LA %d", -3.1416015625L, 33, 44, 55);
431 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
432 || strcmp (result, "-0X3.244P+0 33") == 0
433 || strcmp (result, "-0X6.488P-1 33") == 0
434 || strcmp (result, "-0XC.91P-2 33") == 0);
435 ASSERT (retval == strlen (result));
438 { /* Positive zero. */
441 my_snprintf (result, sizeof (result), "%La %d", 0.0L, 33, 44, 55);
442 ASSERT (strcmp (result, "0x0p+0 33") == 0);
443 ASSERT (retval == strlen (result));
446 { /* Negative zero. */
449 my_snprintf (result, sizeof (result), "%La %d", -0.0L, 33, 44, 55);
450 if (have_minus_zero ())
451 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
452 ASSERT (retval == strlen (result));
455 { /* Positive infinity. */
458 my_snprintf (result, sizeof (result), "%La %d", 1.0L / 0.0L, 33, 44, 55);
459 ASSERT (strcmp (result, "inf 33") == 0);
460 ASSERT (retval == strlen (result));
463 { /* Negative infinity. */
466 my_snprintf (result, sizeof (result), "%La %d", -1.0L / 0.0L, 33, 44, 55);
467 ASSERT (strcmp (result, "-inf 33") == 0);
468 ASSERT (retval == strlen (result));
474 my_snprintf (result, sizeof (result), "%La %d", 0.0L / 0.0L, 33, 44, 55);
475 ASSERT (strlen (result) >= 3 + 3
476 && strisnan (result, 0, strlen (result) - 3, 0)
477 && strcmp (result + strlen (result) - 3, " 33") == 0);
478 ASSERT (retval == strlen (result));
480 #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_))
482 static union { unsigned int word[4]; long double value; } x =
483 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
486 my_snprintf (result, sizeof (result), "%La %d", x.value, 33, 44, 55);
487 ASSERT (strlen (result) >= 3 + 3
488 && strisnan (result, 0, strlen (result) - 3, 0)
489 && strcmp (result + strlen (result) - 3, " 33") == 0);
490 ASSERT (retval == strlen (result));
493 /* Signalling NaN. */
494 static union { unsigned int word[4]; long double value; } x =
495 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
498 my_snprintf (result, sizeof (result), "%La %d", x.value, 33, 44, 55);
499 ASSERT (strlen (result) >= 3 + 3
500 && strisnan (result, 0, strlen (result) - 3, 0)
501 && strcmp (result + strlen (result) - 3, " 33") == 0);
502 ASSERT (retval == strlen (result));
504 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
505 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
506 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
507 Application Architecture.
508 Table 5-2 "Floating-Point Register Encodings"
509 Figure 5-6 "Memory to Floating-Point Register Data Translation"
512 static union { unsigned int word[4]; long double value; } x =
513 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
516 my_snprintf (result, sizeof (result), "%La %d", x.value, 33, 44, 55);
517 ASSERT (strlen (result) >= 3 + 3
518 && strisnan (result, 0, strlen (result) - 3, 0)
519 && strcmp (result + strlen (result) - 3, " 33") == 0);
520 ASSERT (retval == strlen (result));
522 { /* Pseudo-Infinity. */
523 static union { unsigned int word[4]; long double value; } x =
524 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
527 my_snprintf (result, sizeof (result), "%La %d", x.value, 33, 44, 55);
528 ASSERT (strlen (result) >= 3 + 3
529 && strisnan (result, 0, strlen (result) - 3, 0)
530 && strcmp (result + strlen (result) - 3, " 33") == 0);
531 ASSERT (retval == strlen (result));
534 static union { unsigned int word[4]; long double value; } x =
535 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
538 my_snprintf (result, sizeof (result), "%La %d", x.value, 33, 44, 55);
539 ASSERT (strlen (result) >= 3 + 3
540 && strisnan (result, 0, strlen (result) - 3, 0)
541 && strcmp (result + strlen (result) - 3, " 33") == 0);
542 ASSERT (retval == strlen (result));
544 { /* Unnormalized number. */
545 static union { unsigned int word[4]; long double value; } x =
546 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
549 my_snprintf (result, sizeof (result), "%La %d", x.value, 33, 44, 55);
550 ASSERT (strlen (result) >= 3 + 3
551 && strisnan (result, 0, strlen (result) - 3, 0)
552 && strcmp (result + strlen (result) - 3, " 33") == 0);
553 ASSERT (retval == strlen (result));
555 { /* Pseudo-Denormal. */
556 static union { unsigned int word[4]; long double value; } x =
557 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
560 my_snprintf (result, sizeof (result), "%La %d", x.value, 33, 44, 55);
561 ASSERT (strlen (result) >= 3 + 3
562 && strisnan (result, 0, strlen (result) - 3, 0)
563 && strcmp (result + strlen (result) - 3, " 33") == 0);
564 ASSERT (retval == strlen (result));
568 { /* Rounding near the decimal point. */
571 my_snprintf (result, sizeof (result), "%.0La %d", 1.5L, 33, 44, 55);
572 ASSERT (strcmp (result, "0x2p+0 33") == 0
573 || strcmp (result, "0x3p-1 33") == 0
574 || strcmp (result, "0x6p-2 33") == 0
575 || strcmp (result, "0xcp-3 33") == 0);
576 ASSERT (retval == strlen (result));
579 { /* Rounding with precision 0. */
582 my_snprintf (result, sizeof (result), "%.0La %d", 1.51L, 33, 44, 55);
583 ASSERT (strcmp (result, "0x2p+0 33") == 0
584 || strcmp (result, "0x3p-1 33") == 0
585 || strcmp (result, "0x6p-2 33") == 0
586 || strcmp (result, "0xcp-3 33") == 0);
587 ASSERT (retval == strlen (result));
590 { /* Rounding with precision 1. */
593 my_snprintf (result, sizeof (result), "%.1La %d", 1.51L, 33, 44, 55);
594 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
595 || strcmp (result, "0x3.0p-1 33") == 0
596 || strcmp (result, "0x6.1p-2 33") == 0
597 || strcmp (result, "0xc.1p-3 33") == 0);
598 ASSERT (retval == strlen (result));
601 { /* Rounding with precision 2. */
604 my_snprintf (result, sizeof (result), "%.2La %d", 1.51L, 33, 44, 55);
605 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
606 || strcmp (result, "0x3.05p-1 33") == 0
607 || strcmp (result, "0x6.0ap-2 33") == 0
608 || strcmp (result, "0xc.14p-3 33") == 0);
609 ASSERT (retval == strlen (result));
612 { /* Rounding with precision 3. */
615 my_snprintf (result, sizeof (result), "%.3La %d", 1.51L, 33, 44, 55);
616 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
617 || strcmp (result, "0x3.052p-1 33") == 0
618 || strcmp (result, "0x6.0a4p-2 33") == 0
619 || strcmp (result, "0xc.148p-3 33") == 0);
620 ASSERT (retval == strlen (result));
623 { /* Rounding can turn a ...FFF into a ...000. */
626 my_snprintf (result, sizeof (result), "%.3La %d", 1.49999L, 33, 44, 55);
627 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
628 || strcmp (result, "0x3.000p-1 33") == 0
629 || strcmp (result, "0x6.000p-2 33") == 0
630 || strcmp (result, "0xc.000p-3 33") == 0);
631 ASSERT (retval == strlen (result));
634 { /* Rounding can turn a ...FFF into a ...000.
635 This shows a MacOS X 10.3.9 (Darwin 7.9) bug and a
636 glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
639 my_snprintf (result, sizeof (result), "%.1La %d", 1.999L, 33, 44, 55);
640 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
641 || strcmp (result, "0x2.0p+0 33") == 0
642 || strcmp (result, "0x4.0p-1 33") == 0
643 || strcmp (result, "0x8.0p-2 33") == 0);
644 ASSERT (retval == strlen (result));
650 my_snprintf (result, sizeof (result), "%10La %d", 1.75L, 33, 44, 55);
651 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
652 || strcmp (result, " 0x3.8p-1 33") == 0
653 || strcmp (result, " 0x7p-2 33") == 0
654 || strcmp (result, " 0xep-3 33") == 0);
655 ASSERT (retval == strlen (result));
658 { /* Small precision. */
661 my_snprintf (result, sizeof (result), "%.10La %d", 1.75L, 33, 44, 55);
662 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
663 || strcmp (result, "0x3.8000000000p-1 33") == 0
664 || strcmp (result, "0x7.0000000000p-2 33") == 0
665 || strcmp (result, "0xe.0000000000p-3 33") == 0);
666 ASSERT (retval == strlen (result));
669 { /* Large precision. */
672 my_snprintf (result, sizeof (result), "%.50La %d", 1.75L, 33, 44, 55);
673 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
674 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
675 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
676 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
677 ASSERT (retval == strlen (result));
683 my_snprintf (result, sizeof (result), "%-10La %d", 1.75L, 33, 44, 55);
684 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
685 || strcmp (result, "0x3.8p-1 33") == 0
686 || strcmp (result, "0x7p-2 33") == 0
687 || strcmp (result, "0xep-3 33") == 0);
688 ASSERT (retval == strlen (result));
691 { /* FLAG_SHOWSIGN. */
694 my_snprintf (result, sizeof (result), "%+La %d", 1.75L, 33, 44, 55);
695 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
696 || strcmp (result, "+0x3.8p-1 33") == 0
697 || strcmp (result, "+0x7p-2 33") == 0
698 || strcmp (result, "+0xep-3 33") == 0);
699 ASSERT (retval == strlen (result));
705 my_snprintf (result, sizeof (result), "% La %d", 1.75L, 33, 44, 55);
706 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
707 || strcmp (result, " 0x3.8p-1 33") == 0
708 || strcmp (result, " 0x7p-2 33") == 0
709 || strcmp (result, " 0xep-3 33") == 0);
710 ASSERT (retval == strlen (result));
716 my_snprintf (result, sizeof (result), "%#La %d", 1.75L, 33, 44, 55);
717 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
718 || strcmp (result, "0x3.8p-1 33") == 0
719 || strcmp (result, "0x7.p-2 33") == 0
720 || strcmp (result, "0xe.p-3 33") == 0);
721 ASSERT (retval == strlen (result));
727 my_snprintf (result, sizeof (result), "%#La %d", 1.0L, 33, 44, 55);
728 ASSERT (strcmp (result, "0x1.p+0 33") == 0
729 || strcmp (result, "0x2.p-1 33") == 0
730 || strcmp (result, "0x4.p-2 33") == 0
731 || strcmp (result, "0x8.p-3 33") == 0);
732 ASSERT (retval == strlen (result));
735 { /* FLAG_ZERO with finite number. */
738 my_snprintf (result, sizeof (result), "%010La %d", 1.75L, 33, 44, 55);
739 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
740 || strcmp (result, "0x003.8p-1 33") == 0
741 || strcmp (result, "0x00007p-2 33") == 0
742 || strcmp (result, "0x0000ep-3 33") == 0);
743 ASSERT (retval == strlen (result));
746 { /* FLAG_ZERO with infinite number. */
749 my_snprintf (result, sizeof (result), "%010La %d", 1.0L / 0.0L, 33, 44, 55);
750 /* "0000000inf 33" is not a valid result; see
751 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
752 ASSERT (strcmp (result, " inf 33") == 0);
753 ASSERT (retval == strlen (result));
756 { /* FLAG_ZERO with NaN. */
759 my_snprintf (result, sizeof (result), "%050La %d", 0.0L / 0.0L, 33, 44, 55);
760 /* "0000000nan 33" is not a valid result; see
761 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
762 ASSERT (strlen (result) == 50 + 3
763 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
764 && strcmp (result + strlen (result) - 3, " 33") == 0);
765 ASSERT (retval == strlen (result));
768 /* Test the support of the %f format directive. */
770 { /* A positive number. */
773 my_snprintf (result, sizeof (result), "%f %d", 12.75, 33, 44, 55);
774 ASSERT (strcmp (result, "12.750000 33") == 0);
775 ASSERT (retval == strlen (result));
778 { /* A larger positive number. */
781 my_snprintf (result, sizeof (result), "%f %d", 1234567.0, 33, 44, 55);
782 ASSERT (strcmp (result, "1234567.000000 33") == 0);
783 ASSERT (retval == strlen (result));
786 { /* Small and large positive numbers. */
787 static struct { double value; const char *string; } data[] =
789 { 1.234321234321234e-37, "0.000000" },
790 { 1.234321234321234e-36, "0.000000" },
791 { 1.234321234321234e-35, "0.000000" },
792 { 1.234321234321234e-34, "0.000000" },
793 { 1.234321234321234e-33, "0.000000" },
794 { 1.234321234321234e-32, "0.000000" },
795 { 1.234321234321234e-31, "0.000000" },
796 { 1.234321234321234e-30, "0.000000" },
797 { 1.234321234321234e-29, "0.000000" },
798 { 1.234321234321234e-28, "0.000000" },
799 { 1.234321234321234e-27, "0.000000" },
800 { 1.234321234321234e-26, "0.000000" },
801 { 1.234321234321234e-25, "0.000000" },
802 { 1.234321234321234e-24, "0.000000" },
803 { 1.234321234321234e-23, "0.000000" },
804 { 1.234321234321234e-22, "0.000000" },
805 { 1.234321234321234e-21, "0.000000" },
806 { 1.234321234321234e-20, "0.000000" },
807 { 1.234321234321234e-19, "0.000000" },
808 { 1.234321234321234e-18, "0.000000" },
809 { 1.234321234321234e-17, "0.000000" },
810 { 1.234321234321234e-16, "0.000000" },
811 { 1.234321234321234e-15, "0.000000" },
812 { 1.234321234321234e-14, "0.000000" },
813 { 1.234321234321234e-13, "0.000000" },
814 { 1.234321234321234e-12, "0.000000" },
815 { 1.234321234321234e-11, "0.000000" },
816 { 1.234321234321234e-10, "0.000000" },
817 { 1.234321234321234e-9, "0.000000" },
818 { 1.234321234321234e-8, "0.000000" },
819 { 1.234321234321234e-7, "0.000000" },
820 { 1.234321234321234e-6, "0.000001" },
821 { 1.234321234321234e-5, "0.000012" },
822 { 1.234321234321234e-4, "0.000123" },
823 { 1.234321234321234e-3, "0.001234" },
824 { 1.234321234321234e-2, "0.012343" },
825 { 1.234321234321234e-1, "0.123432" },
826 { 1.234321234321234, "1.234321" },
827 { 1.234321234321234e1, "12.343212" },
828 { 1.234321234321234e2, "123.432123" },
829 { 1.234321234321234e3, "1234.321234" },
830 { 1.234321234321234e4, "12343.212343" },
831 { 1.234321234321234e5, "123432.123432" },
832 { 1.234321234321234e6, "1234321.234321" },
833 { 1.234321234321234e7, "12343212.343212" },
834 { 1.234321234321234e8, "123432123.432123" },
835 { 1.234321234321234e9, "1234321234.321234" },
836 { 1.234321234321234e10, "12343212343.2123**" },
837 { 1.234321234321234e11, "123432123432.123***" },
838 { 1.234321234321234e12, "1234321234321.23****" },
839 { 1.234321234321234e13, "12343212343212.3*****" },
840 { 1.234321234321234e14, "123432123432123.******" },
841 { 1.234321234321234e15, "1234321234321234.000000" },
842 { 1.234321234321234e16, "123432123432123**.000000" },
843 { 1.234321234321234e17, "123432123432123***.000000" },
844 { 1.234321234321234e18, "123432123432123****.000000" },
845 { 1.234321234321234e19, "123432123432123*****.000000" },
846 { 1.234321234321234e20, "123432123432123******.000000" },
847 { 1.234321234321234e21, "123432123432123*******.000000" },
848 { 1.234321234321234e22, "123432123432123********.000000" },
849 { 1.234321234321234e23, "123432123432123*********.000000" },
850 { 1.234321234321234e24, "123432123432123**********.000000" },
851 { 1.234321234321234e25, "123432123432123***********.000000" },
852 { 1.234321234321234e26, "123432123432123************.000000" },
853 { 1.234321234321234e27, "123432123432123*************.000000" },
854 { 1.234321234321234e28, "123432123432123**************.000000" },
855 { 1.234321234321234e29, "123432123432123***************.000000" },
856 { 1.234321234321234e30, "123432123432123****************.000000" },
857 { 1.234321234321234e31, "123432123432123*****************.000000" },
858 { 1.234321234321234e32, "123432123432123******************.000000" },
859 { 1.234321234321234e33, "123432123432123*******************.000000" },
860 { 1.234321234321234e34, "123432123432123********************.000000" },
861 { 1.234321234321234e35, "123432123432123*********************.000000" },
862 { 1.234321234321234e36, "123432123432123**********************.000000" }
865 for (k = 0; k < SIZEOF (data); k++)
869 my_snprintf (result, sizeof (result), "%f", data[k].value);
870 ASSERT (strmatch (data[k].string, result));
871 ASSERT (retval == strlen (result));
875 { /* A negative number. */
878 my_snprintf (result, sizeof (result), "%f %d", -0.03125, 33, 44, 55);
879 ASSERT (strcmp (result, "-0.031250 33") == 0);
880 ASSERT (retval == strlen (result));
883 { /* Positive zero. */
886 my_snprintf (result, sizeof (result), "%f %d", 0.0, 33, 44, 55);
887 ASSERT (strcmp (result, "0.000000 33") == 0);
888 ASSERT (retval == strlen (result));
891 { /* Negative zero. */
894 my_snprintf (result, sizeof (result), "%f %d", -0.0, 33, 44, 55);
895 if (have_minus_zero ())
896 ASSERT (strcmp (result, "-0.000000 33") == 0);
897 ASSERT (retval == strlen (result));
900 { /* Positive infinity. */
903 my_snprintf (result, sizeof (result), "%f %d", 1.0 / 0.0, 33, 44, 55);
904 ASSERT (strcmp (result, "inf 33") == 0
905 || strcmp (result, "infinity 33") == 0);
906 ASSERT (retval == strlen (result));
909 { /* Negative infinity. */
912 my_snprintf (result, sizeof (result), "%f %d", -1.0 / 0.0, 33, 44, 55);
913 ASSERT (strcmp (result, "-inf 33") == 0
914 || strcmp (result, "-infinity 33") == 0);
915 ASSERT (retval == strlen (result));
921 my_snprintf (result, sizeof (result), "%f %d", NaN (), 33, 44, 55);
922 ASSERT (strlen (result) >= 3 + 3
923 && strisnan (result, 0, strlen (result) - 3, 0)
924 && strcmp (result + strlen (result) - 3, " 33") == 0);
925 ASSERT (retval == strlen (result));
931 my_snprintf (result, sizeof (result), "%10f %d", 1.75, 33, 44, 55);
932 ASSERT (result != NULL);
933 ASSERT (strcmp (result, " 1.750000 33") == 0);
934 ASSERT (retval == strlen (result));
940 my_snprintf (result, sizeof (result), "%-10f %d", 1.75, 33, 44, 55);
941 ASSERT (result != NULL);
942 ASSERT (strcmp (result, "1.750000 33") == 0);
943 ASSERT (retval == strlen (result));
946 { /* FLAG_SHOWSIGN. */
949 my_snprintf (result, sizeof (result), "%+f %d", 1.75, 33, 44, 55);
950 ASSERT (result != NULL);
951 ASSERT (strcmp (result, "+1.750000 33") == 0);
952 ASSERT (retval == strlen (result));
958 my_snprintf (result, sizeof (result), "% f %d", 1.75, 33, 44, 55);
959 ASSERT (result != NULL);
960 ASSERT (strcmp (result, " 1.750000 33") == 0);
961 ASSERT (retval == strlen (result));
967 my_snprintf (result, sizeof (result), "%#f %d", 1.75, 33, 44, 55);
968 ASSERT (result != NULL);
969 ASSERT (strcmp (result, "1.750000 33") == 0);
970 ASSERT (retval == strlen (result));
976 my_snprintf (result, sizeof (result), "%#.f %d", 1.75, 33, 44, 55);
977 ASSERT (result != NULL);
978 ASSERT (strcmp (result, "2. 33") == 0);
979 ASSERT (retval == strlen (result));
982 { /* FLAG_ZERO with finite number. */
985 my_snprintf (result, sizeof (result), "%015f %d", 1234.0, 33, 44, 55);
986 ASSERT (strcmp (result, "00001234.000000 33") == 0);
987 ASSERT (retval == strlen (result));
990 { /* FLAG_ZERO with infinite number. */
993 my_snprintf (result, sizeof (result), "%015f %d", -1.0 / 0.0, 33, 44, 55);
994 ASSERT (strcmp (result, " -inf 33") == 0
995 || strcmp (result, " -infinity 33") == 0);
996 ASSERT (retval == strlen (result));
999 { /* FLAG_ZERO with NaN. */
1002 my_snprintf (result, sizeof (result), "%050f %d", NaN (), 33, 44, 55);
1003 ASSERT (strlen (result) == 50 + 3
1004 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1005 && strcmp (result + strlen (result) - 3, " 33") == 0);
1006 ASSERT (retval == strlen (result));
1012 my_snprintf (result, sizeof (result), "%.f %d", 1234.0, 33, 44, 55);
1013 ASSERT (strcmp (result, "1234 33") == 0);
1014 ASSERT (retval == strlen (result));
1017 { /* A positive number. */
1020 my_snprintf (result, sizeof (result), "%Lf %d", 12.75L, 33, 44, 55);
1021 ASSERT (strcmp (result, "12.750000 33") == 0);
1022 ASSERT (retval == strlen (result));
1025 { /* A larger positive number. */
1028 my_snprintf (result, sizeof (result), "%Lf %d", 1234567.0L, 33, 44, 55);
1029 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1030 ASSERT (retval == strlen (result));
1033 { /* Small and large positive numbers. */
1034 static struct { long double value; const char *string; } data[] =
1036 { 1.234321234321234e-37L, "0.000000" },
1037 { 1.234321234321234e-36L, "0.000000" },
1038 { 1.234321234321234e-35L, "0.000000" },
1039 { 1.234321234321234e-34L, "0.000000" },
1040 { 1.234321234321234e-33L, "0.000000" },
1041 { 1.234321234321234e-32L, "0.000000" },
1042 { 1.234321234321234e-31L, "0.000000" },
1043 { 1.234321234321234e-30L, "0.000000" },
1044 { 1.234321234321234e-29L, "0.000000" },
1045 { 1.234321234321234e-28L, "0.000000" },
1046 { 1.234321234321234e-27L, "0.000000" },
1047 { 1.234321234321234e-26L, "0.000000" },
1048 { 1.234321234321234e-25L, "0.000000" },
1049 { 1.234321234321234e-24L, "0.000000" },
1050 { 1.234321234321234e-23L, "0.000000" },
1051 { 1.234321234321234e-22L, "0.000000" },
1052 { 1.234321234321234e-21L, "0.000000" },
1053 { 1.234321234321234e-20L, "0.000000" },
1054 { 1.234321234321234e-19L, "0.000000" },
1055 { 1.234321234321234e-18L, "0.000000" },
1056 { 1.234321234321234e-17L, "0.000000" },
1057 { 1.234321234321234e-16L, "0.000000" },
1058 { 1.234321234321234e-15L, "0.000000" },
1059 { 1.234321234321234e-14L, "0.000000" },
1060 { 1.234321234321234e-13L, "0.000000" },
1061 { 1.234321234321234e-12L, "0.000000" },
1062 { 1.234321234321234e-11L, "0.000000" },
1063 { 1.234321234321234e-10L, "0.000000" },
1064 { 1.234321234321234e-9L, "0.000000" },
1065 { 1.234321234321234e-8L, "0.000000" },
1066 { 1.234321234321234e-7L, "0.000000" },
1067 { 1.234321234321234e-6L, "0.000001" },
1068 { 1.234321234321234e-5L, "0.000012" },
1069 { 1.234321234321234e-4L, "0.000123" },
1070 { 1.234321234321234e-3L, "0.001234" },
1071 { 1.234321234321234e-2L, "0.012343" },
1072 { 1.234321234321234e-1L, "0.123432" },
1073 { 1.234321234321234L, "1.234321" },
1074 { 1.234321234321234e1L, "12.343212" },
1075 { 1.234321234321234e2L, "123.432123" },
1076 { 1.234321234321234e3L, "1234.321234" },
1077 { 1.234321234321234e4L, "12343.212343" },
1078 { 1.234321234321234e5L, "123432.123432" },
1079 { 1.234321234321234e6L, "1234321.234321" },
1080 { 1.234321234321234e7L, "12343212.343212" },
1081 { 1.234321234321234e8L, "123432123.432123" },
1082 { 1.234321234321234e9L, "1234321234.321234" },
1083 { 1.234321234321234e10L, "12343212343.2123**" },
1084 { 1.234321234321234e11L, "123432123432.123***" },
1085 { 1.234321234321234e12L, "1234321234321.23****" },
1086 { 1.234321234321234e13L, "12343212343212.3*****" },
1087 { 1.234321234321234e14L, "123432123432123.******" },
1088 { 1.234321234321234e15L, "1234321234321234.000000" },
1089 { 1.234321234321234e16L, "123432123432123**.000000" },
1090 { 1.234321234321234e17L, "123432123432123***.000000" },
1091 { 1.234321234321234e18L, "123432123432123****.000000" },
1092 { 1.234321234321234e19L, "123432123432123*****.000000" },
1093 { 1.234321234321234e20L, "123432123432123******.000000" },
1094 { 1.234321234321234e21L, "123432123432123*******.000000" },
1095 { 1.234321234321234e22L, "123432123432123********.000000" },
1096 { 1.234321234321234e23L, "123432123432123*********.000000" },
1097 { 1.234321234321234e24L, "123432123432123**********.000000" },
1098 { 1.234321234321234e25L, "123432123432123***********.000000" },
1099 { 1.234321234321234e26L, "123432123432123************.000000" },
1100 { 1.234321234321234e27L, "123432123432123*************.000000" },
1101 { 1.234321234321234e28L, "123432123432123**************.000000" },
1102 { 1.234321234321234e29L, "123432123432123***************.000000" },
1103 { 1.234321234321234e30L, "123432123432123****************.000000" },
1104 { 1.234321234321234e31L, "123432123432123*****************.000000" },
1105 { 1.234321234321234e32L, "123432123432123******************.000000" },
1106 { 1.234321234321234e33L, "123432123432123*******************.000000" },
1107 { 1.234321234321234e34L, "123432123432123********************.000000" },
1108 { 1.234321234321234e35L, "123432123432123*********************.000000" },
1109 { 1.234321234321234e36L, "123432123432123**********************.000000" }
1112 for (k = 0; k < SIZEOF (data); k++)
1116 my_snprintf (result, sizeof (result), "%Lf", data[k].value);
1117 ASSERT (strmatch (data[k].string, result));
1118 ASSERT (retval == strlen (result));
1122 { /* A negative number. */
1125 my_snprintf (result, sizeof (result), "%Lf %d", -0.03125L, 33, 44, 55);
1126 ASSERT (strcmp (result, "-0.031250 33") == 0);
1127 ASSERT (retval == strlen (result));
1130 { /* Positive zero. */
1133 my_snprintf (result, sizeof (result), "%Lf %d", 0.0L, 33, 44, 55);
1134 ASSERT (strcmp (result, "0.000000 33") == 0);
1135 ASSERT (retval == strlen (result));
1138 { /* Negative zero. */
1141 my_snprintf (result, sizeof (result), "%Lf %d", -0.0L, 33, 44, 55);
1142 if (have_minus_zero ())
1143 ASSERT (strcmp (result, "-0.000000 33") == 0);
1144 ASSERT (retval == strlen (result));
1147 { /* Positive infinity. */
1150 my_snprintf (result, sizeof (result), "%Lf %d", 1.0L / 0.0L, 33, 44, 55);
1151 ASSERT (strcmp (result, "inf 33") == 0
1152 || strcmp (result, "infinity 33") == 0);
1153 ASSERT (retval == strlen (result));
1156 { /* Negative infinity. */
1159 my_snprintf (result, sizeof (result), "%Lf %d", -1.0L / 0.0L, 33, 44, 55);
1160 ASSERT (strcmp (result, "-inf 33") == 0
1161 || strcmp (result, "-infinity 33") == 0);
1162 ASSERT (retval == strlen (result));
1166 static long double zero = 0.0L;
1169 my_snprintf (result, sizeof (result), "%Lf %d", zero / zero, 33, 44, 55);
1170 ASSERT (strlen (result) >= 3 + 3
1171 && strisnan (result, 0, strlen (result) - 3, 0)
1172 && strcmp (result + strlen (result) - 3, " 33") == 0);
1173 ASSERT (retval == strlen (result));
1175 #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_))
1177 static union { unsigned int word[4]; long double value; } x =
1178 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
1181 my_snprintf (result, sizeof (result), "%Lf %d", x.value, 33, 44, 55);
1182 ASSERT (strlen (result) >= 3 + 3
1183 && strisnan (result, 0, strlen (result) - 3, 0)
1184 && strcmp (result + strlen (result) - 3, " 33") == 0);
1185 ASSERT (retval == strlen (result));
1188 /* Signalling NaN. */
1189 static union { unsigned int word[4]; long double value; } x =
1190 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
1193 my_snprintf (result, sizeof (result), "%Lf %d", x.value, 33, 44, 55);
1194 ASSERT (strlen (result) >= 3 + 3
1195 && strisnan (result, 0, strlen (result) - 3, 0)
1196 && strcmp (result + strlen (result) - 3, " 33") == 0);
1197 ASSERT (retval == strlen (result));
1199 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
1200 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
1201 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
1202 Application Architecture.
1203 Table 5-2 "Floating-Point Register Encodings"
1204 Figure 5-6 "Memory to Floating-Point Register Data Translation"
1207 static union { unsigned int word[4]; long double value; } x =
1208 { LDBL80_WORDS (0xFFFF, 0x40000001, 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-Infinity. */
1218 static union { unsigned int word[4]; long double value; } x =
1219 { LDBL80_WORDS (0xFFFF, 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 { /* Pseudo-Zero. */
1229 static union { unsigned int word[4]; long double value; } x =
1230 { LDBL80_WORDS (0x4004, 0x00000000, 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 { /* Unnormalized number. */
1240 static union { unsigned int word[4]; long double value; } x =
1241 { LDBL80_WORDS (0x4000, 0x63333333, 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));
1250 { /* Pseudo-Denormal. */
1251 static union { unsigned int word[4]; long double value; } x =
1252 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
1255 my_snprintf (result, sizeof (result), "%Lf %d", x.value, 33, 44, 55);
1256 ASSERT (strlen (result) >= 3 + 3
1257 && strisnan (result, 0, strlen (result) - 3, 0)
1258 && strcmp (result + strlen (result) - 3, " 33") == 0);
1259 ASSERT (retval == strlen (result));
1266 my_snprintf (result, sizeof (result), "%10Lf %d", 1.75L, 33, 44, 55);
1267 ASSERT (result != NULL);
1268 ASSERT (strcmp (result, " 1.750000 33") == 0);
1269 ASSERT (retval == strlen (result));
1275 my_snprintf (result, sizeof (result), "%-10Lf %d", 1.75L, 33, 44, 55);
1276 ASSERT (result != NULL);
1277 ASSERT (strcmp (result, "1.750000 33") == 0);
1278 ASSERT (retval == strlen (result));
1281 { /* FLAG_SHOWSIGN. */
1284 my_snprintf (result, sizeof (result), "%+Lf %d", 1.75L, 33, 44, 55);
1285 ASSERT (result != NULL);
1286 ASSERT (strcmp (result, "+1.750000 33") == 0);
1287 ASSERT (retval == strlen (result));
1293 my_snprintf (result, sizeof (result), "% Lf %d", 1.75L, 33, 44, 55);
1294 ASSERT (result != NULL);
1295 ASSERT (strcmp (result, " 1.750000 33") == 0);
1296 ASSERT (retval == strlen (result));
1302 my_snprintf (result, sizeof (result), "%#Lf %d", 1.75L, 33, 44, 55);
1303 ASSERT (result != NULL);
1304 ASSERT (strcmp (result, "1.750000 33") == 0);
1305 ASSERT (retval == strlen (result));
1311 my_snprintf (result, sizeof (result), "%#.Lf %d", 1.75L, 33, 44, 55);
1312 ASSERT (result != NULL);
1313 ASSERT (strcmp (result, "2. 33") == 0);
1314 ASSERT (retval == strlen (result));
1317 { /* FLAG_ZERO with finite number. */
1320 my_snprintf (result, sizeof (result), "%015Lf %d", 1234.0L, 33, 44, 55);
1321 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1322 ASSERT (retval == strlen (result));
1325 { /* FLAG_ZERO with infinite number. */
1328 my_snprintf (result, sizeof (result), "%015Lf %d", -1.0L / 0.0L, 33, 44, 55);
1329 ASSERT (strcmp (result, " -inf 33") == 0
1330 || strcmp (result, " -infinity 33") == 0);
1331 ASSERT (retval == strlen (result));
1334 { /* FLAG_ZERO with NaN. */
1335 static long double zero = 0.0L;
1338 my_snprintf (result, sizeof (result), "%050Lf %d", zero / zero, 33, 44, 55);
1339 ASSERT (strlen (result) == 50 + 3
1340 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1341 && strcmp (result + strlen (result) - 3, " 33") == 0);
1342 ASSERT (retval == strlen (result));
1348 my_snprintf (result, sizeof (result), "%.Lf %d", 1234.0L, 33, 44, 55);
1349 ASSERT (strcmp (result, "1234 33") == 0);
1350 ASSERT (retval == strlen (result));
1353 /* Test the support of the %F format directive. */
1355 { /* A positive number. */
1358 my_snprintf (result, sizeof (result), "%F %d", 12.75, 33, 44, 55);
1359 ASSERT (strcmp (result, "12.750000 33") == 0);
1360 ASSERT (retval == strlen (result));
1363 { /* A larger positive number. */
1366 my_snprintf (result, sizeof (result), "%F %d", 1234567.0, 33, 44, 55);
1367 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1368 ASSERT (retval == strlen (result));
1371 { /* A negative number. */
1374 my_snprintf (result, sizeof (result), "%F %d", -0.03125, 33, 44, 55);
1375 ASSERT (strcmp (result, "-0.031250 33") == 0);
1376 ASSERT (retval == strlen (result));
1379 { /* Positive zero. */
1382 my_snprintf (result, sizeof (result), "%F %d", 0.0, 33, 44, 55);
1383 ASSERT (strcmp (result, "0.000000 33") == 0);
1384 ASSERT (retval == strlen (result));
1387 { /* Negative zero. */
1390 my_snprintf (result, sizeof (result), "%F %d", -0.0, 33, 44, 55);
1391 if (have_minus_zero ())
1392 ASSERT (strcmp (result, "-0.000000 33") == 0);
1393 ASSERT (retval == strlen (result));
1396 { /* Positive infinity. */
1399 my_snprintf (result, sizeof (result), "%F %d", 1.0 / 0.0, 33, 44, 55);
1400 ASSERT (strcmp (result, "INF 33") == 0
1401 || strcmp (result, "INFINITY 33") == 0);
1402 ASSERT (retval == strlen (result));
1405 { /* Negative infinity. */
1408 my_snprintf (result, sizeof (result), "%F %d", -1.0 / 0.0, 33, 44, 55);
1409 ASSERT (strcmp (result, "-INF 33") == 0
1410 || strcmp (result, "-INFINITY 33") == 0);
1411 ASSERT (retval == strlen (result));
1417 my_snprintf (result, sizeof (result), "%F %d", NaN (), 33, 44, 55);
1418 ASSERT (strlen (result) >= 3 + 3
1419 && strisnan (result, 0, strlen (result) - 3, 1)
1420 && strcmp (result + strlen (result) - 3, " 33") == 0);
1421 ASSERT (retval == strlen (result));
1427 my_snprintf (result, sizeof (result), "%015F %d", 1234.0, 33, 44, 55);
1428 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1429 ASSERT (retval == strlen (result));
1432 { /* FLAG_ZERO with infinite number. */
1435 my_snprintf (result, sizeof (result), "%015F %d", -1.0 / 0.0, 33, 44, 55);
1436 ASSERT (strcmp (result, " -INF 33") == 0
1437 || strcmp (result, " -INFINITY 33") == 0);
1438 ASSERT (retval == strlen (result));
1444 my_snprintf (result, sizeof (result), "%.F %d", 1234.0, 33, 44, 55);
1445 ASSERT (strcmp (result, "1234 33") == 0);
1446 ASSERT (retval == strlen (result));
1449 { /* A positive number. */
1452 my_snprintf (result, sizeof (result), "%LF %d", 12.75L, 33, 44, 55);
1453 ASSERT (strcmp (result, "12.750000 33") == 0);
1454 ASSERT (retval == strlen (result));
1457 { /* A larger positive number. */
1460 my_snprintf (result, sizeof (result), "%LF %d", 1234567.0L, 33, 44, 55);
1461 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1462 ASSERT (retval == strlen (result));
1465 { /* A negative number. */
1468 my_snprintf (result, sizeof (result), "%LF %d", -0.03125L, 33, 44, 55);
1469 ASSERT (strcmp (result, "-0.031250 33") == 0);
1470 ASSERT (retval == strlen (result));
1473 { /* Positive zero. */
1476 my_snprintf (result, sizeof (result), "%LF %d", 0.0L, 33, 44, 55);
1477 ASSERT (strcmp (result, "0.000000 33") == 0);
1478 ASSERT (retval == strlen (result));
1481 { /* Negative zero. */
1484 my_snprintf (result, sizeof (result), "%LF %d", -0.0L, 33, 44, 55);
1485 if (have_minus_zero ())
1486 ASSERT (strcmp (result, "-0.000000 33") == 0);
1487 ASSERT (retval == strlen (result));
1490 { /* Positive infinity. */
1493 my_snprintf (result, sizeof (result), "%LF %d", 1.0L / 0.0L, 33, 44, 55);
1494 ASSERT (strcmp (result, "INF 33") == 0
1495 || strcmp (result, "INFINITY 33") == 0);
1496 ASSERT (retval == strlen (result));
1499 { /* Negative infinity. */
1502 my_snprintf (result, sizeof (result), "%LF %d", -1.0L / 0.0L, 33, 44, 55);
1503 ASSERT (strcmp (result, "-INF 33") == 0
1504 || strcmp (result, "-INFINITY 33") == 0);
1505 ASSERT (retval == strlen (result));
1509 static long double zero = 0.0L;
1512 my_snprintf (result, sizeof (result), "%LF %d", zero / zero, 33, 44, 55);
1513 ASSERT (strlen (result) >= 3 + 3
1514 && strisnan (result, 0, strlen (result) - 3, 1)
1515 && strcmp (result + strlen (result) - 3, " 33") == 0);
1516 ASSERT (retval == strlen (result));
1522 my_snprintf (result, sizeof (result), "%015LF %d", 1234.0L, 33, 44, 55);
1523 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1524 ASSERT (retval == strlen (result));
1527 { /* FLAG_ZERO with infinite number. */
1530 my_snprintf (result, sizeof (result), "%015LF %d", -1.0L / 0.0L, 33, 44, 55);
1531 ASSERT (strcmp (result, " -INF 33") == 0
1532 || strcmp (result, " -INFINITY 33") == 0);
1533 ASSERT (retval == strlen (result));
1539 my_snprintf (result, sizeof (result), "%.LF %d", 1234.0L, 33, 44, 55);
1540 ASSERT (strcmp (result, "1234 33") == 0);
1541 ASSERT (retval == strlen (result));
1544 /* Test the support of the %e format directive. */
1546 { /* A positive number. */
1549 my_snprintf (result, sizeof (result), "%e %d", 12.75, 33, 44, 55);
1550 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1551 || strcmp (result, "1.275000e+001 33") == 0);
1552 ASSERT (retval == strlen (result));
1555 { /* A larger positive number. */
1558 my_snprintf (result, sizeof (result), "%e %d", 1234567.0, 33, 44, 55);
1559 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1560 || strcmp (result, "1.234567e+006 33") == 0);
1561 ASSERT (retval == strlen (result));
1564 { /* Small and large positive numbers. */
1565 static struct { double value; const char *string; } data[] =
1567 { 1.234321234321234e-37, "1.234321e-37" },
1568 { 1.234321234321234e-36, "1.234321e-36" },
1569 { 1.234321234321234e-35, "1.234321e-35" },
1570 { 1.234321234321234e-34, "1.234321e-34" },
1571 { 1.234321234321234e-33, "1.234321e-33" },
1572 { 1.234321234321234e-32, "1.234321e-32" },
1573 { 1.234321234321234e-31, "1.234321e-31" },
1574 { 1.234321234321234e-30, "1.234321e-30" },
1575 { 1.234321234321234e-29, "1.234321e-29" },
1576 { 1.234321234321234e-28, "1.234321e-28" },
1577 { 1.234321234321234e-27, "1.234321e-27" },
1578 { 1.234321234321234e-26, "1.234321e-26" },
1579 { 1.234321234321234e-25, "1.234321e-25" },
1580 { 1.234321234321234e-24, "1.234321e-24" },
1581 { 1.234321234321234e-23, "1.234321e-23" },
1582 { 1.234321234321234e-22, "1.234321e-22" },
1583 { 1.234321234321234e-21, "1.234321e-21" },
1584 { 1.234321234321234e-20, "1.234321e-20" },
1585 { 1.234321234321234e-19, "1.234321e-19" },
1586 { 1.234321234321234e-18, "1.234321e-18" },
1587 { 1.234321234321234e-17, "1.234321e-17" },
1588 { 1.234321234321234e-16, "1.234321e-16" },
1589 { 1.234321234321234e-15, "1.234321e-15" },
1590 { 1.234321234321234e-14, "1.234321e-14" },
1591 { 1.234321234321234e-13, "1.234321e-13" },
1592 { 1.234321234321234e-12, "1.234321e-12" },
1593 { 1.234321234321234e-11, "1.234321e-11" },
1594 { 1.234321234321234e-10, "1.234321e-10" },
1595 { 1.234321234321234e-9, "1.234321e-09" },
1596 { 1.234321234321234e-8, "1.234321e-08" },
1597 { 1.234321234321234e-7, "1.234321e-07" },
1598 { 1.234321234321234e-6, "1.234321e-06" },
1599 { 1.234321234321234e-5, "1.234321e-05" },
1600 { 1.234321234321234e-4, "1.234321e-04" },
1601 { 1.234321234321234e-3, "1.234321e-03" },
1602 { 1.234321234321234e-2, "1.234321e-02" },
1603 { 1.234321234321234e-1, "1.234321e-01" },
1604 { 1.234321234321234, "1.234321e+00" },
1605 { 1.234321234321234e1, "1.234321e+01" },
1606 { 1.234321234321234e2, "1.234321e+02" },
1607 { 1.234321234321234e3, "1.234321e+03" },
1608 { 1.234321234321234e4, "1.234321e+04" },
1609 { 1.234321234321234e5, "1.234321e+05" },
1610 { 1.234321234321234e6, "1.234321e+06" },
1611 { 1.234321234321234e7, "1.234321e+07" },
1612 { 1.234321234321234e8, "1.234321e+08" },
1613 { 1.234321234321234e9, "1.234321e+09" },
1614 { 1.234321234321234e10, "1.234321e+10" },
1615 { 1.234321234321234e11, "1.234321e+11" },
1616 { 1.234321234321234e12, "1.234321e+12" },
1617 { 1.234321234321234e13, "1.234321e+13" },
1618 { 1.234321234321234e14, "1.234321e+14" },
1619 { 1.234321234321234e15, "1.234321e+15" },
1620 { 1.234321234321234e16, "1.234321e+16" },
1621 { 1.234321234321234e17, "1.234321e+17" },
1622 { 1.234321234321234e18, "1.234321e+18" },
1623 { 1.234321234321234e19, "1.234321e+19" },
1624 { 1.234321234321234e20, "1.234321e+20" },
1625 { 1.234321234321234e21, "1.234321e+21" },
1626 { 1.234321234321234e22, "1.234321e+22" },
1627 { 1.234321234321234e23, "1.234321e+23" },
1628 { 1.234321234321234e24, "1.234321e+24" },
1629 { 1.234321234321234e25, "1.234321e+25" },
1630 { 1.234321234321234e26, "1.234321e+26" },
1631 { 1.234321234321234e27, "1.234321e+27" },
1632 { 1.234321234321234e28, "1.234321e+28" },
1633 { 1.234321234321234e29, "1.234321e+29" },
1634 { 1.234321234321234e30, "1.234321e+30" },
1635 { 1.234321234321234e31, "1.234321e+31" },
1636 { 1.234321234321234e32, "1.234321e+32" },
1637 { 1.234321234321234e33, "1.234321e+33" },
1638 { 1.234321234321234e34, "1.234321e+34" },
1639 { 1.234321234321234e35, "1.234321e+35" },
1640 { 1.234321234321234e36, "1.234321e+36" }
1643 for (k = 0; k < SIZEOF (data); k++)
1647 my_snprintf (result, sizeof (result), "%e", data[k].value);
1648 const char *expected = data[k].string;
1649 ASSERT (result != NULL);
1650 ASSERT (strcmp (result, expected) == 0
1651 /* Some implementations produce exponents with 3 digits. */
1652 || (strlen (result) == strlen (expected) + 1
1653 && memcmp (result, expected, strlen (expected) - 2) == 0
1654 && result[strlen (expected) - 2] == '0'
1655 && strcmp (result + strlen (expected) - 1,
1656 expected + strlen (expected) - 2)
1658 ASSERT (retval == strlen (result));
1662 { /* A negative number. */
1665 my_snprintf (result, sizeof (result), "%e %d", -0.03125, 33, 44, 55);
1666 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
1667 || strcmp (result, "-3.125000e-002 33") == 0);
1668 ASSERT (retval == strlen (result));
1671 { /* Positive zero. */
1674 my_snprintf (result, sizeof (result), "%e %d", 0.0, 33, 44, 55);
1675 ASSERT (strcmp (result, "0.000000e+00 33") == 0
1676 || strcmp (result, "0.000000e+000 33") == 0);
1677 ASSERT (retval == strlen (result));
1680 { /* Negative zero. */
1683 my_snprintf (result, sizeof (result), "%e %d", -0.0, 33, 44, 55);
1684 if (have_minus_zero ())
1685 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
1686 || strcmp (result, "-0.000000e+000 33") == 0);
1687 ASSERT (retval == strlen (result));
1690 { /* Positive infinity. */
1693 my_snprintf (result, sizeof (result), "%e %d", 1.0 / 0.0, 33, 44, 55);
1694 ASSERT (strcmp (result, "inf 33") == 0
1695 || strcmp (result, "infinity 33") == 0);
1696 ASSERT (retval == strlen (result));
1699 { /* Negative infinity. */
1702 my_snprintf (result, sizeof (result), "%e %d", -1.0 / 0.0, 33, 44, 55);
1703 ASSERT (strcmp (result, "-inf 33") == 0
1704 || strcmp (result, "-infinity 33") == 0);
1705 ASSERT (retval == strlen (result));
1711 my_snprintf (result, sizeof (result), "%e %d", NaN (), 33, 44, 55);
1712 ASSERT (strlen (result) >= 3 + 3
1713 && strisnan (result, 0, strlen (result) - 3, 0)
1714 && strcmp (result + strlen (result) - 3, " 33") == 0);
1715 ASSERT (retval == strlen (result));
1721 my_snprintf (result, sizeof (result), "%15e %d", 1.75, 33, 44, 55);
1722 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1723 || strcmp (result, " 1.750000e+000 33") == 0);
1724 ASSERT (retval == strlen (result));
1730 my_snprintf (result, sizeof (result), "%-15e %d", 1.75, 33, 44, 55);
1731 ASSERT (strcmp (result, "1.750000e+00 33") == 0
1732 || strcmp (result, "1.750000e+000 33") == 0);
1733 ASSERT (retval == strlen (result));
1736 { /* FLAG_SHOWSIGN. */
1739 my_snprintf (result, sizeof (result), "%+e %d", 1.75, 33, 44, 55);
1740 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
1741 || strcmp (result, "+1.750000e+000 33") == 0);
1742 ASSERT (retval == strlen (result));
1748 my_snprintf (result, sizeof (result), "% e %d", 1.75, 33, 44, 55);
1749 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1750 || strcmp (result, " 1.750000e+000 33") == 0);
1751 ASSERT (retval == strlen (result));
1757 my_snprintf (result, sizeof (result), "%#e %d", 1.75, 33, 44, 55);
1758 ASSERT (strcmp (result, "1.750000e+00 33") == 0
1759 || strcmp (result, "1.750000e+000 33") == 0);
1760 ASSERT (retval == strlen (result));
1766 my_snprintf (result, sizeof (result), "%#.e %d", 1.75, 33, 44, 55);
1767 ASSERT (strcmp (result, "2.e+00 33") == 0
1768 || strcmp (result, "2.e+000 33") == 0);
1769 ASSERT (retval == strlen (result));
1775 my_snprintf (result, sizeof (result), "%#.e %d", 9.75, 33, 44, 55);
1776 ASSERT (strcmp (result, "1.e+01 33") == 0
1777 || strcmp (result, "1.e+001 33") == 0);
1778 ASSERT (retval == strlen (result));
1781 { /* FLAG_ZERO with finite number. */
1784 my_snprintf (result, sizeof (result), "%015e %d", 1234.0, 33, 44, 55);
1785 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
1786 || strcmp (result, "001.234000e+003 33") == 0);
1787 ASSERT (retval == strlen (result));
1790 { /* FLAG_ZERO with infinite number. */
1793 my_snprintf (result, sizeof (result), "%015e %d", -1.0 / 0.0, 33, 44, 55);
1794 ASSERT (strcmp (result, " -inf 33") == 0
1795 || strcmp (result, " -infinity 33") == 0);
1796 ASSERT (retval == strlen (result));
1799 { /* FLAG_ZERO with NaN. */
1802 my_snprintf (result, sizeof (result), "%050e %d", NaN (), 33, 44, 55);
1803 ASSERT (strlen (result) == 50 + 3
1804 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1805 && strcmp (result + strlen (result) - 3, " 33") == 0);
1806 ASSERT (retval == strlen (result));
1812 my_snprintf (result, sizeof (result), "%.e %d", 1234.0, 33, 44, 55);
1813 ASSERT (strcmp (result, "1e+03 33") == 0
1814 || strcmp (result, "1e+003 33") == 0);
1815 ASSERT (retval == strlen (result));
1818 { /* A positive number. */
1821 my_snprintf (result, sizeof (result), "%Le %d", 12.75L, 33, 44, 55);
1822 ASSERT (strcmp (result, "1.275000e+01 33") == 0);
1823 ASSERT (retval == strlen (result));
1826 { /* A larger positive number. */
1829 my_snprintf (result, sizeof (result), "%Le %d", 1234567.0L, 33, 44, 55);
1830 ASSERT (strcmp (result, "1.234567e+06 33") == 0);
1831 ASSERT (retval == strlen (result));
1834 { /* Small and large positive numbers. */
1835 static struct { long double value; const char *string; } data[] =
1837 { 1.234321234321234e-37L, "1.234321e-37" },
1838 { 1.234321234321234e-36L, "1.234321e-36" },
1839 { 1.234321234321234e-35L, "1.234321e-35" },
1840 { 1.234321234321234e-34L, "1.234321e-34" },
1841 { 1.234321234321234e-33L, "1.234321e-33" },
1842 { 1.234321234321234e-32L, "1.234321e-32" },
1843 { 1.234321234321234e-31L, "1.234321e-31" },
1844 { 1.234321234321234e-30L, "1.234321e-30" },
1845 { 1.234321234321234e-29L, "1.234321e-29" },
1846 { 1.234321234321234e-28L, "1.234321e-28" },
1847 { 1.234321234321234e-27L, "1.234321e-27" },
1848 { 1.234321234321234e-26L, "1.234321e-26" },
1849 { 1.234321234321234e-25L, "1.234321e-25" },
1850 { 1.234321234321234e-24L, "1.234321e-24" },
1851 { 1.234321234321234e-23L, "1.234321e-23" },
1852 { 1.234321234321234e-22L, "1.234321e-22" },
1853 { 1.234321234321234e-21L, "1.234321e-21" },
1854 { 1.234321234321234e-20L, "1.234321e-20" },
1855 { 1.234321234321234e-19L, "1.234321e-19" },
1856 { 1.234321234321234e-18L, "1.234321e-18" },
1857 { 1.234321234321234e-17L, "1.234321e-17" },
1858 { 1.234321234321234e-16L, "1.234321e-16" },
1859 { 1.234321234321234e-15L, "1.234321e-15" },
1860 { 1.234321234321234e-14L, "1.234321e-14" },
1861 { 1.234321234321234e-13L, "1.234321e-13" },
1862 { 1.234321234321234e-12L, "1.234321e-12" },
1863 { 1.234321234321234e-11L, "1.234321e-11" },
1864 { 1.234321234321234e-10L, "1.234321e-10" },
1865 { 1.234321234321234e-9L, "1.234321e-09" },
1866 { 1.234321234321234e-8L, "1.234321e-08" },
1867 { 1.234321234321234e-7L, "1.234321e-07" },
1868 { 1.234321234321234e-6L, "1.234321e-06" },
1869 { 1.234321234321234e-5L, "1.234321e-05" },
1870 { 1.234321234321234e-4L, "1.234321e-04" },
1871 { 1.234321234321234e-3L, "1.234321e-03" },
1872 { 1.234321234321234e-2L, "1.234321e-02" },
1873 { 1.234321234321234e-1L, "1.234321e-01" },
1874 { 1.234321234321234L, "1.234321e+00" },
1875 { 1.234321234321234e1L, "1.234321e+01" },
1876 { 1.234321234321234e2L, "1.234321e+02" },
1877 { 1.234321234321234e3L, "1.234321e+03" },
1878 { 1.234321234321234e4L, "1.234321e+04" },
1879 { 1.234321234321234e5L, "1.234321e+05" },
1880 { 1.234321234321234e6L, "1.234321e+06" },
1881 { 1.234321234321234e7L, "1.234321e+07" },
1882 { 1.234321234321234e8L, "1.234321e+08" },
1883 { 1.234321234321234e9L, "1.234321e+09" },
1884 { 1.234321234321234e10L, "1.234321e+10" },
1885 { 1.234321234321234e11L, "1.234321e+11" },
1886 { 1.234321234321234e12L, "1.234321e+12" },
1887 { 1.234321234321234e13L, "1.234321e+13" },
1888 { 1.234321234321234e14L, "1.234321e+14" },
1889 { 1.234321234321234e15L, "1.234321e+15" },
1890 { 1.234321234321234e16L, "1.234321e+16" },
1891 { 1.234321234321234e17L, "1.234321e+17" },
1892 { 1.234321234321234e18L, "1.234321e+18" },
1893 { 1.234321234321234e19L, "1.234321e+19" },
1894 { 1.234321234321234e20L, "1.234321e+20" },
1895 { 1.234321234321234e21L, "1.234321e+21" },
1896 { 1.234321234321234e22L, "1.234321e+22" },
1897 { 1.234321234321234e23L, "1.234321e+23" },
1898 { 1.234321234321234e24L, "1.234321e+24" },
1899 { 1.234321234321234e25L, "1.234321e+25" },
1900 { 1.234321234321234e26L, "1.234321e+26" },
1901 { 1.234321234321234e27L, "1.234321e+27" },
1902 { 1.234321234321234e28L, "1.234321e+28" },
1903 { 1.234321234321234e29L, "1.234321e+29" },
1904 { 1.234321234321234e30L, "1.234321e+30" },
1905 { 1.234321234321234e31L, "1.234321e+31" },
1906 { 1.234321234321234e32L, "1.234321e+32" },
1907 { 1.234321234321234e33L, "1.234321e+33" },
1908 { 1.234321234321234e34L, "1.234321e+34" },
1909 { 1.234321234321234e35L, "1.234321e+35" },
1910 { 1.234321234321234e36L, "1.234321e+36" }
1913 for (k = 0; k < SIZEOF (data); k++)
1917 my_snprintf (result, sizeof (result), "%Le", data[k].value);
1918 ASSERT (strcmp (result, data[k].string) == 0);
1919 ASSERT (retval == strlen (result));
1923 { /* A negative number. */
1926 my_snprintf (result, sizeof (result), "%Le %d", -0.03125L, 33, 44, 55);
1927 ASSERT (strcmp (result, "-3.125000e-02 33") == 0);
1928 ASSERT (retval == strlen (result));
1931 { /* Positive zero. */
1934 my_snprintf (result, sizeof (result), "%Le %d", 0.0L, 33, 44, 55);
1935 ASSERT (strcmp (result, "0.000000e+00 33") == 0);
1936 ASSERT (retval == strlen (result));
1939 { /* Negative zero. */
1942 my_snprintf (result, sizeof (result), "%Le %d", -0.0L, 33, 44, 55);
1943 if (have_minus_zero ())
1944 ASSERT (strcmp (result, "-0.000000e+00 33") == 0);
1945 ASSERT (retval == strlen (result));
1948 { /* Positive infinity. */
1951 my_snprintf (result, sizeof (result), "%Le %d", 1.0L / 0.0L, 33, 44, 55);
1952 ASSERT (strcmp (result, "inf 33") == 0
1953 || strcmp (result, "infinity 33") == 0);
1954 ASSERT (retval == strlen (result));
1957 { /* Negative infinity. */
1960 my_snprintf (result, sizeof (result), "%Le %d", -1.0L / 0.0L, 33, 44, 55);
1961 ASSERT (strcmp (result, "-inf 33") == 0
1962 || strcmp (result, "-infinity 33") == 0);
1963 ASSERT (retval == strlen (result));
1967 static long double zero = 0.0L;
1970 my_snprintf (result, sizeof (result), "%Le %d", zero / zero, 33, 44, 55);
1971 ASSERT (strlen (result) >= 3 + 3
1972 && strisnan (result, 0, strlen (result) - 3, 0)
1973 && strcmp (result + strlen (result) - 3, " 33") == 0);
1974 ASSERT (retval == strlen (result));
1976 #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_))
1978 static union { unsigned int word[4]; long double value; } x =
1979 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
1982 my_snprintf (result, sizeof (result), "%Le %d", x.value, 33, 44, 55);
1983 ASSERT (strlen (result) >= 3 + 3
1984 && strisnan (result, 0, strlen (result) - 3, 0)
1985 && strcmp (result + strlen (result) - 3, " 33") == 0);
1986 ASSERT (retval == strlen (result));
1989 /* Signalling NaN. */
1990 static union { unsigned int word[4]; long double value; } x =
1991 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
1994 my_snprintf (result, sizeof (result), "%Le %d", x.value, 33, 44, 55);
1995 ASSERT (strlen (result) >= 3 + 3
1996 && strisnan (result, 0, strlen (result) - 3, 0)
1997 && strcmp (result + strlen (result) - 3, " 33") == 0);
1998 ASSERT (retval == strlen (result));
2000 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
2001 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
2002 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
2003 Application Architecture.
2004 Table 5-2 "Floating-Point Register Encodings"
2005 Figure 5-6 "Memory to Floating-Point Register Data Translation"
2008 static union { unsigned int word[4]; long double value; } x =
2009 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2012 my_snprintf (result, sizeof (result), "%Le %d", x.value, 33, 44, 55);
2013 ASSERT (strlen (result) >= 3 + 3
2014 && strisnan (result, 0, strlen (result) - 3, 0)
2015 && strcmp (result + strlen (result) - 3, " 33") == 0);
2016 ASSERT (retval == strlen (result));
2018 { /* Pseudo-Infinity. */
2019 static union { unsigned int word[4]; long double value; } x =
2020 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2023 my_snprintf (result, sizeof (result), "%Le %d", x.value, 33, 44, 55);
2024 ASSERT (strlen (result) >= 3 + 3
2025 && strisnan (result, 0, strlen (result) - 3, 0)
2026 && strcmp (result + strlen (result) - 3, " 33") == 0);
2027 ASSERT (retval == strlen (result));
2029 { /* Pseudo-Zero. */
2030 static union { unsigned int word[4]; long double value; } x =
2031 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2034 my_snprintf (result, sizeof (result), "%Le %d", x.value, 33, 44, 55);
2035 ASSERT (strlen (result) >= 3 + 3
2036 && strisnan (result, 0, strlen (result) - 3, 0)
2037 && strcmp (result + strlen (result) - 3, " 33") == 0);
2038 ASSERT (retval == strlen (result));
2040 { /* Unnormalized number. */
2041 static union { unsigned int word[4]; long double value; } x =
2042 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2045 my_snprintf (result, sizeof (result), "%Le %d", x.value, 33, 44, 55);
2046 ASSERT (strlen (result) >= 3 + 3
2047 && strisnan (result, 0, strlen (result) - 3, 0)
2048 && strcmp (result + strlen (result) - 3, " 33") == 0);
2049 ASSERT (retval == strlen (result));
2051 { /* Pseudo-Denormal. */
2052 static union { unsigned int word[4]; long double value; } x =
2053 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2056 my_snprintf (result, sizeof (result), "%Le %d", x.value, 33, 44, 55);
2057 ASSERT (strlen (result) >= 3 + 3
2058 && strisnan (result, 0, strlen (result) - 3, 0)
2059 && strcmp (result + strlen (result) - 3, " 33") == 0);
2060 ASSERT (retval == strlen (result));
2067 my_snprintf (result, sizeof (result), "%15Le %d", 1.75L, 33, 44, 55);
2068 ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
2069 ASSERT (retval == strlen (result));
2075 my_snprintf (result, sizeof (result), "%-15Le %d", 1.75L, 33, 44, 55);
2076 ASSERT (strcmp (result, "1.750000e+00 33") == 0);
2077 ASSERT (retval == strlen (result));
2080 { /* FLAG_SHOWSIGN. */
2083 my_snprintf (result, sizeof (result), "%+Le %d", 1.75L, 33, 44, 55);
2084 ASSERT (strcmp (result, "+1.750000e+00 33") == 0);
2085 ASSERT (retval == strlen (result));
2091 my_snprintf (result, sizeof (result), "% Le %d", 1.75L, 33, 44, 55);
2092 ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
2093 ASSERT (retval == strlen (result));
2099 my_snprintf (result, sizeof (result), "%#Le %d", 1.75L, 33, 44, 55);
2100 ASSERT (strcmp (result, "1.750000e+00 33") == 0);
2101 ASSERT (retval == strlen (result));
2107 my_snprintf (result, sizeof (result), "%#.Le %d", 1.75L, 33, 44, 55);
2108 ASSERT (strcmp (result, "2.e+00 33") == 0);
2109 ASSERT (retval == strlen (result));
2115 my_snprintf (result, sizeof (result), "%#.Le %d", 9.75L, 33, 44, 55);
2116 ASSERT (strcmp (result, "1.e+01 33") == 0);
2117 ASSERT (retval == strlen (result));
2120 { /* FLAG_ZERO with finite number. */
2123 my_snprintf (result, sizeof (result), "%015Le %d", 1234.0L, 33, 44, 55);
2124 ASSERT (strcmp (result, "0001.234000e+03 33") == 0);
2125 ASSERT (retval == strlen (result));
2128 { /* FLAG_ZERO with infinite number. */
2131 my_snprintf (result, sizeof (result), "%015Le %d", -1.0L / 0.0L, 33, 44, 55);
2132 ASSERT (strcmp (result, " -inf 33") == 0
2133 || strcmp (result, " -infinity 33") == 0);
2134 ASSERT (retval == strlen (result));
2137 { /* FLAG_ZERO with NaN. */
2138 static long double zero = 0.0L;
2141 my_snprintf (result, sizeof (result), "%050Le %d", zero / zero, 33, 44, 55);
2142 ASSERT (strlen (result) == 50 + 3
2143 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2144 && strcmp (result + strlen (result) - 3, " 33") == 0);
2145 ASSERT (retval == strlen (result));
2151 my_snprintf (result, sizeof (result), "%.Le %d", 1234.0L, 33, 44, 55);
2152 ASSERT (strcmp (result, "1e+03 33") == 0);
2153 ASSERT (retval == strlen (result));
2156 /* Test the support of the %g format directive. */
2158 { /* A positive number. */
2161 my_snprintf (result, sizeof (result), "%g %d", 12.75, 33, 44, 55);
2162 ASSERT (strcmp (result, "12.75 33") == 0);
2163 ASSERT (retval == strlen (result));
2166 { /* A larger positive number. */
2169 my_snprintf (result, sizeof (result), "%g %d", 1234567.0, 33, 44, 55);
2170 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2171 || strcmp (result, "1.23457e+006 33") == 0);
2172 ASSERT (retval == strlen (result));
2175 { /* Small and large positive numbers. */
2176 static struct { double value; const char *string; } data[] =
2178 { 1.234321234321234e-37, "1.23432e-37" },
2179 { 1.234321234321234e-36, "1.23432e-36" },
2180 { 1.234321234321234e-35, "1.23432e-35" },
2181 { 1.234321234321234e-34, "1.23432e-34" },
2182 { 1.234321234321234e-33, "1.23432e-33" },
2183 { 1.234321234321234e-32, "1.23432e-32" },
2184 { 1.234321234321234e-31, "1.23432e-31" },
2185 { 1.234321234321234e-30, "1.23432e-30" },
2186 { 1.234321234321234e-29, "1.23432e-29" },
2187 { 1.234321234321234e-28, "1.23432e-28" },
2188 { 1.234321234321234e-27, "1.23432e-27" },
2189 { 1.234321234321234e-26, "1.23432e-26" },
2190 { 1.234321234321234e-25, "1.23432e-25" },
2191 { 1.234321234321234e-24, "1.23432e-24" },
2192 { 1.234321234321234e-23, "1.23432e-23" },
2193 { 1.234321234321234e-22, "1.23432e-22" },
2194 { 1.234321234321234e-21, "1.23432e-21" },
2195 { 1.234321234321234e-20, "1.23432e-20" },
2196 { 1.234321234321234e-19, "1.23432e-19" },
2197 { 1.234321234321234e-18, "1.23432e-18" },
2198 { 1.234321234321234e-17, "1.23432e-17" },
2199 { 1.234321234321234e-16, "1.23432e-16" },
2200 { 1.234321234321234e-15, "1.23432e-15" },
2201 { 1.234321234321234e-14, "1.23432e-14" },
2202 { 1.234321234321234e-13, "1.23432e-13" },
2203 { 1.234321234321234e-12, "1.23432e-12" },
2204 { 1.234321234321234e-11, "1.23432e-11" },
2205 { 1.234321234321234e-10, "1.23432e-10" },
2206 { 1.234321234321234e-9, "1.23432e-09" },
2207 { 1.234321234321234e-8, "1.23432e-08" },
2208 { 1.234321234321234e-7, "1.23432e-07" },
2209 { 1.234321234321234e-6, "1.23432e-06" },
2210 { 1.234321234321234e-5, "1.23432e-05" },
2211 { 1.234321234321234e-4, "0.000123432" },
2212 { 1.234321234321234e-3, "0.00123432" },
2213 { 1.234321234321234e-2, "0.0123432" },
2214 { 1.234321234321234e-1, "0.123432" },
2215 { 1.234321234321234, "1.23432" },
2216 { 1.234321234321234e1, "12.3432" },
2217 { 1.234321234321234e2, "123.432" },
2218 { 1.234321234321234e3, "1234.32" },
2219 { 1.234321234321234e4, "12343.2" },
2220 { 1.234321234321234e5, "123432" },
2221 { 1.234321234321234e6, "1.23432e+06" },
2222 { 1.234321234321234e7, "1.23432e+07" },
2223 { 1.234321234321234e8, "1.23432e+08" },
2224 { 1.234321234321234e9, "1.23432e+09" },
2225 { 1.234321234321234e10, "1.23432e+10" },
2226 { 1.234321234321234e11, "1.23432e+11" },
2227 { 1.234321234321234e12, "1.23432e+12" },
2228 { 1.234321234321234e13, "1.23432e+13" },
2229 { 1.234321234321234e14, "1.23432e+14" },
2230 { 1.234321234321234e15, "1.23432e+15" },
2231 { 1.234321234321234e16, "1.23432e+16" },
2232 { 1.234321234321234e17, "1.23432e+17" },
2233 { 1.234321234321234e18, "1.23432e+18" },
2234 { 1.234321234321234e19, "1.23432e+19" },
2235 { 1.234321234321234e20, "1.23432e+20" },
2236 { 1.234321234321234e21, "1.23432e+21" },
2237 { 1.234321234321234e22, "1.23432e+22" },
2238 { 1.234321234321234e23, "1.23432e+23" },
2239 { 1.234321234321234e24, "1.23432e+24" },
2240 { 1.234321234321234e25, "1.23432e+25" },
2241 { 1.234321234321234e26, "1.23432e+26" },
2242 { 1.234321234321234e27, "1.23432e+27" },
2243 { 1.234321234321234e28, "1.23432e+28" },
2244 { 1.234321234321234e29, "1.23432e+29" },
2245 { 1.234321234321234e30, "1.23432e+30" },
2246 { 1.234321234321234e31, "1.23432e+31" },
2247 { 1.234321234321234e32, "1.23432e+32" },
2248 { 1.234321234321234e33, "1.23432e+33" },
2249 { 1.234321234321234e34, "1.23432e+34" },
2250 { 1.234321234321234e35, "1.23432e+35" },
2251 { 1.234321234321234e36, "1.23432e+36" }
2254 for (k = 0; k < SIZEOF (data); k++)
2258 my_snprintf (result, sizeof (result), "%g", data[k].value);
2259 const char *expected = data[k].string;
2260 ASSERT (strcmp (result, expected) == 0
2261 /* Some implementations produce exponents with 3 digits. */
2262 || (expected[strlen (expected) - 4] == 'e'
2263 && strlen (result) == strlen (expected) + 1
2264 && memcmp (result, expected, strlen (expected) - 2) == 0
2265 && result[strlen (expected) - 2] == '0'
2266 && strcmp (result + strlen (expected) - 1,
2267 expected + strlen (expected) - 2)
2269 ASSERT (retval == strlen (result));
2273 { /* A negative number. */
2276 my_snprintf (result, sizeof (result), "%g %d", -0.03125, 33, 44, 55);
2277 ASSERT (strcmp (result, "-0.03125 33") == 0);
2278 ASSERT (retval == strlen (result));
2281 { /* Positive zero. */
2284 my_snprintf (result, sizeof (result), "%g %d", 0.0, 33, 44, 55);
2285 ASSERT (strcmp (result, "0 33") == 0);
2286 ASSERT (retval == strlen (result));
2289 { /* Negative zero. */
2292 my_snprintf (result, sizeof (result), "%g %d", -0.0, 33, 44, 55);
2293 if (have_minus_zero ())
2294 ASSERT (strcmp (result, "-0 33") == 0);
2295 ASSERT (retval == strlen (result));
2298 { /* Positive infinity. */
2301 my_snprintf (result, sizeof (result), "%g %d", 1.0 / 0.0, 33, 44, 55);
2302 ASSERT (strcmp (result, "inf 33") == 0
2303 || strcmp (result, "infinity 33") == 0);
2304 ASSERT (retval == strlen (result));
2307 { /* Negative infinity. */
2310 my_snprintf (result, sizeof (result), "%g %d", -1.0 / 0.0, 33, 44, 55);
2311 ASSERT (strcmp (result, "-inf 33") == 0
2312 || strcmp (result, "-infinity 33") == 0);
2313 ASSERT (retval == strlen (result));
2319 my_snprintf (result, sizeof (result), "%g %d", NaN (), 33, 44, 55);
2320 ASSERT (strlen (result) >= 3 + 3
2321 && strisnan (result, 0, strlen (result) - 3, 0)
2322 && strcmp (result + strlen (result) - 3, " 33") == 0);
2323 ASSERT (retval == strlen (result));
2329 my_snprintf (result, sizeof (result), "%10g %d", 1.75, 33, 44, 55);
2330 ASSERT (strcmp (result, " 1.75 33") == 0);
2331 ASSERT (retval == strlen (result));
2337 my_snprintf (result, sizeof (result), "%-10g %d", 1.75, 33, 44, 55);
2338 ASSERT (strcmp (result, "1.75 33") == 0);
2339 ASSERT (retval == strlen (result));
2342 { /* FLAG_SHOWSIGN. */
2345 my_snprintf (result, sizeof (result), "%+g %d", 1.75, 33, 44, 55);
2346 ASSERT (strcmp (result, "+1.75 33") == 0);
2347 ASSERT (retval == strlen (result));
2353 my_snprintf (result, sizeof (result), "% g %d", 1.75, 33, 44, 55);
2354 ASSERT (strcmp (result, " 1.75 33") == 0);
2355 ASSERT (retval == strlen (result));
2361 my_snprintf (result, sizeof (result), "%#g %d", 1.75, 33, 44, 55);
2362 ASSERT (strcmp (result, "1.75000 33") == 0);
2363 ASSERT (retval == strlen (result));
2369 my_snprintf (result, sizeof (result), "%#.g %d", 1.75, 33, 44, 55);
2370 ASSERT (strcmp (result, "2. 33") == 0);
2371 ASSERT (retval == strlen (result));
2377 my_snprintf (result, sizeof (result), "%#.g %d", 9.75, 33, 44, 55);
2378 ASSERT (strcmp (result, "1.e+01 33") == 0
2379 || strcmp (result, "1.e+001 33") == 0);
2380 ASSERT (retval == strlen (result));
2383 { /* FLAG_ZERO with finite number. */
2386 my_snprintf (result, sizeof (result), "%010g %d", 1234.0, 33, 44, 55);
2387 ASSERT (strcmp (result, "0000001234 33") == 0);
2388 ASSERT (retval == strlen (result));
2391 { /* FLAG_ZERO with infinite number. */
2394 my_snprintf (result, sizeof (result), "%015g %d", -1.0 / 0.0, 33, 44, 55);
2395 ASSERT (strcmp (result, " -inf 33") == 0
2396 || strcmp (result, " -infinity 33") == 0);
2397 ASSERT (retval == strlen (result));
2400 { /* FLAG_ZERO with NaN. */
2403 my_snprintf (result, sizeof (result), "%050g %d", NaN (), 33, 44, 55);
2404 ASSERT (strlen (result) == 50 + 3
2405 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2406 && strcmp (result + strlen (result) - 3, " 33") == 0);
2407 ASSERT (retval == strlen (result));
2413 my_snprintf (result, sizeof (result), "%.g %d", 1234.0, 33, 44, 55);
2414 ASSERT (strcmp (result, "1e+03 33") == 0
2415 || strcmp (result, "1e+003 33") == 0);
2416 ASSERT (retval == strlen (result));
2419 { /* A positive number. */
2422 my_snprintf (result, sizeof (result), "%Lg %d", 12.75L, 33, 44, 55);
2423 ASSERT (strcmp (result, "12.75 33") == 0);
2424 ASSERT (retval == strlen (result));
2427 { /* A larger positive number. */
2430 my_snprintf (result, sizeof (result), "%Lg %d", 1234567.0L, 33, 44, 55);
2431 ASSERT (strcmp (result, "1.23457e+06 33") == 0);
2432 ASSERT (retval == strlen (result));
2435 { /* Small and large positive numbers. */
2436 static struct { long double value; const char *string; } data[] =
2438 { 1.234321234321234e-37L, "1.23432e-37" },
2439 { 1.234321234321234e-36L, "1.23432e-36" },
2440 { 1.234321234321234e-35L, "1.23432e-35" },
2441 { 1.234321234321234e-34L, "1.23432e-34" },
2442 { 1.234321234321234e-33L, "1.23432e-33" },
2443 { 1.234321234321234e-32L, "1.23432e-32" },
2444 { 1.234321234321234e-31L, "1.23432e-31" },
2445 { 1.234321234321234e-30L, "1.23432e-30" },
2446 { 1.234321234321234e-29L, "1.23432e-29" },
2447 { 1.234321234321234e-28L, "1.23432e-28" },
2448 { 1.234321234321234e-27L, "1.23432e-27" },
2449 { 1.234321234321234e-26L, "1.23432e-26" },
2450 { 1.234321234321234e-25L, "1.23432e-25" },
2451 { 1.234321234321234e-24L, "1.23432e-24" },
2452 { 1.234321234321234e-23L, "1.23432e-23" },
2453 { 1.234321234321234e-22L, "1.23432e-22" },
2454 { 1.234321234321234e-21L, "1.23432e-21" },
2455 { 1.234321234321234e-20L, "1.23432e-20" },
2456 { 1.234321234321234e-19L, "1.23432e-19" },
2457 { 1.234321234321234e-18L, "1.23432e-18" },
2458 { 1.234321234321234e-17L, "1.23432e-17" },
2459 { 1.234321234321234e-16L, "1.23432e-16" },
2460 { 1.234321234321234e-15L, "1.23432e-15" },
2461 { 1.234321234321234e-14L, "1.23432e-14" },
2462 { 1.234321234321234e-13L, "1.23432e-13" },
2463 { 1.234321234321234e-12L, "1.23432e-12" },
2464 { 1.234321234321234e-11L, "1.23432e-11" },
2465 { 1.234321234321234e-10L, "1.23432e-10" },
2466 { 1.234321234321234e-9L, "1.23432e-09" },
2467 { 1.234321234321234e-8L, "1.23432e-08" },
2468 { 1.234321234321234e-7L, "1.23432e-07" },
2469 { 1.234321234321234e-6L, "1.23432e-06" },
2470 { 1.234321234321234e-5L, "1.23432e-05" },
2471 { 1.234321234321234e-4L, "0.000123432" },
2472 { 1.234321234321234e-3L, "0.00123432" },
2473 { 1.234321234321234e-2L, "0.0123432" },
2474 { 1.234321234321234e-1L, "0.123432" },
2475 { 1.234321234321234L, "1.23432" },
2476 { 1.234321234321234e1L, "12.3432" },
2477 { 1.234321234321234e2L, "123.432" },
2478 { 1.234321234321234e3L, "1234.32" },
2479 { 1.234321234321234e4L, "12343.2" },
2480 { 1.234321234321234e5L, "123432" },
2481 { 1.234321234321234e6L, "1.23432e+06" },
2482 { 1.234321234321234e7L, "1.23432e+07" },
2483 { 1.234321234321234e8L, "1.23432e+08" },
2484 { 1.234321234321234e9L, "1.23432e+09" },
2485 { 1.234321234321234e10L, "1.23432e+10" },
2486 { 1.234321234321234e11L, "1.23432e+11" },
2487 { 1.234321234321234e12L, "1.23432e+12" },
2488 { 1.234321234321234e13L, "1.23432e+13" },
2489 { 1.234321234321234e14L, "1.23432e+14" },
2490 { 1.234321234321234e15L, "1.23432e+15" },
2491 { 1.234321234321234e16L, "1.23432e+16" },
2492 { 1.234321234321234e17L, "1.23432e+17" },
2493 { 1.234321234321234e18L, "1.23432e+18" },
2494 { 1.234321234321234e19L, "1.23432e+19" },
2495 { 1.234321234321234e20L, "1.23432e+20" },
2496 { 1.234321234321234e21L, "1.23432e+21" },
2497 { 1.234321234321234e22L, "1.23432e+22" },
2498 { 1.234321234321234e23L, "1.23432e+23" },
2499 { 1.234321234321234e24L, "1.23432e+24" },
2500 { 1.234321234321234e25L, "1.23432e+25" },
2501 { 1.234321234321234e26L, "1.23432e+26" },
2502 { 1.234321234321234e27L, "1.23432e+27" },
2503 { 1.234321234321234e28L, "1.23432e+28" },
2504 { 1.234321234321234e29L, "1.23432e+29" },
2505 { 1.234321234321234e30L, "1.23432e+30" },
2506 { 1.234321234321234e31L, "1.23432e+31" },
2507 { 1.234321234321234e32L, "1.23432e+32" },
2508 { 1.234321234321234e33L, "1.23432e+33" },
2509 { 1.234321234321234e34L, "1.23432e+34" },
2510 { 1.234321234321234e35L, "1.23432e+35" },
2511 { 1.234321234321234e36L, "1.23432e+36" }
2514 for (k = 0; k < SIZEOF (data); k++)
2518 my_snprintf (result, sizeof (result), "%Lg", data[k].value);
2519 ASSERT (strcmp (result, data[k].string) == 0);
2520 ASSERT (retval == strlen (result));
2524 { /* A negative number. */
2527 my_snprintf (result, sizeof (result), "%Lg %d", -0.03125L, 33, 44, 55);
2528 ASSERT (strcmp (result, "-0.03125 33") == 0);
2529 ASSERT (retval == strlen (result));
2532 { /* Positive zero. */
2535 my_snprintf (result, sizeof (result), "%Lg %d", 0.0L, 33, 44, 55);
2536 ASSERT (strcmp (result, "0 33") == 0);
2537 ASSERT (retval == strlen (result));
2540 { /* Negative zero. */
2543 my_snprintf (result, sizeof (result), "%Lg %d", -0.0L, 33, 44, 55);
2544 if (have_minus_zero ())
2545 ASSERT (strcmp (result, "-0 33") == 0);
2546 ASSERT (retval == strlen (result));
2549 { /* Positive infinity. */
2552 my_snprintf (result, sizeof (result), "%Lg %d", 1.0L / 0.0L, 33, 44, 55);
2553 ASSERT (strcmp (result, "inf 33") == 0
2554 || strcmp (result, "infinity 33") == 0);
2555 ASSERT (retval == strlen (result));
2558 { /* Negative infinity. */
2561 my_snprintf (result, sizeof (result), "%Lg %d", -1.0L / 0.0L, 33, 44, 55);
2562 ASSERT (strcmp (result, "-inf 33") == 0
2563 || strcmp (result, "-infinity 33") == 0);
2564 ASSERT (retval == strlen (result));
2568 static long double zero = 0.0L;
2571 my_snprintf (result, sizeof (result), "%Lg %d", zero / zero, 33, 44, 55);
2572 ASSERT (strlen (result) >= 3 + 3
2573 && strisnan (result, 0, strlen (result) - 3, 0)
2574 && strcmp (result + strlen (result) - 3, " 33") == 0);
2575 ASSERT (retval == strlen (result));
2577 #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_))
2579 static union { unsigned int word[4]; long double value; } x =
2580 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2583 my_snprintf (result, sizeof (result), "%Lg %d", x.value, 33, 44, 55);
2584 ASSERT (strlen (result) >= 3 + 3
2585 && strisnan (result, 0, strlen (result) - 3, 0)
2586 && strcmp (result + strlen (result) - 3, " 33") == 0);
2587 ASSERT (retval == strlen (result));
2590 /* Signalling NaN. */
2591 static union { unsigned int word[4]; long double value; } x =
2592 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2595 my_snprintf (result, sizeof (result), "%Lg %d", x.value, 33, 44, 55);
2596 ASSERT (strlen (result) >= 3 + 3
2597 && strisnan (result, 0, strlen (result) - 3, 0)
2598 && strcmp (result + strlen (result) - 3, " 33") == 0);
2599 ASSERT (retval == strlen (result));
2601 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
2602 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
2603 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
2604 Application Architecture.
2605 Table 5-2 "Floating-Point Register Encodings"
2606 Figure 5-6 "Memory to Floating-Point Register Data Translation"
2609 static union { unsigned int word[4]; long double value; } x =
2610 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2613 my_snprintf (result, sizeof (result), "%Lg %d", x.value, 33, 44, 55);
2614 ASSERT (strlen (result) >= 3 + 3
2615 && strisnan (result, 0, strlen (result) - 3, 0)
2616 && strcmp (result + strlen (result) - 3, " 33") == 0);
2617 ASSERT (retval == strlen (result));
2619 { /* Pseudo-Infinity. */
2620 static union { unsigned int word[4]; long double value; } x =
2621 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2624 my_snprintf (result, sizeof (result), "%Lg %d", x.value, 33, 44, 55);
2625 ASSERT (strlen (result) >= 3 + 3
2626 && strisnan (result, 0, strlen (result) - 3, 0)
2627 && strcmp (result + strlen (result) - 3, " 33") == 0);
2628 ASSERT (retval == strlen (result));
2630 { /* Pseudo-Zero. */
2631 static union { unsigned int word[4]; long double value; } x =
2632 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2635 my_snprintf (result, sizeof (result), "%Lg %d", x.value, 33, 44, 55);
2636 ASSERT (strlen (result) >= 3 + 3
2637 && strisnan (result, 0, strlen (result) - 3, 0)
2638 && strcmp (result + strlen (result) - 3, " 33") == 0);
2639 ASSERT (retval == strlen (result));
2641 { /* Unnormalized number. */
2642 static union { unsigned int word[4]; long double value; } x =
2643 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2646 my_snprintf (result, sizeof (result), "%Lg %d", x.value, 33, 44, 55);
2647 ASSERT (strlen (result) >= 3 + 3
2648 && strisnan (result, 0, strlen (result) - 3, 0)
2649 && strcmp (result + strlen (result) - 3, " 33") == 0);
2650 ASSERT (retval == strlen (result));
2652 { /* Pseudo-Denormal. */
2653 static union { unsigned int word[4]; long double value; } x =
2654 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2657 my_snprintf (result, sizeof (result), "%Lg %d", x.value, 33, 44, 55);
2658 ASSERT (strlen (result) >= 3 + 3
2659 && strisnan (result, 0, strlen (result) - 3, 0)
2660 && strcmp (result + strlen (result) - 3, " 33") == 0);
2661 ASSERT (retval == strlen (result));
2668 my_snprintf (result, sizeof (result), "%10Lg %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), "%-10Lg %d", 1.75L, 33, 44, 55);
2677 ASSERT (strcmp (result, "1.75 33") == 0);
2678 ASSERT (retval == strlen (result));
2681 { /* FLAG_SHOWSIGN. */
2684 my_snprintf (result, sizeof (result), "%+Lg %d", 1.75L, 33, 44, 55);
2685 ASSERT (strcmp (result, "+1.75 33") == 0);
2686 ASSERT (retval == strlen (result));
2692 my_snprintf (result, sizeof (result), "% Lg %d", 1.75L, 33, 44, 55);
2693 ASSERT (strcmp (result, " 1.75 33") == 0);
2694 ASSERT (retval == strlen (result));
2700 my_snprintf (result, sizeof (result), "%#Lg %d", 1.75L, 33, 44, 55);
2701 ASSERT (strcmp (result, "1.75000 33") == 0);
2702 ASSERT (retval == strlen (result));
2708 my_snprintf (result, sizeof (result), "%#.Lg %d", 1.75L, 33, 44, 55);
2709 ASSERT (strcmp (result, "2. 33") == 0);
2710 ASSERT (retval == strlen (result));
2716 my_snprintf (result, sizeof (result), "%#.Lg %d", 9.75L, 33, 44, 55);
2717 ASSERT (strcmp (result, "1.e+01 33") == 0);
2718 ASSERT (retval == strlen (result));
2721 { /* FLAG_ZERO with finite number. */
2724 my_snprintf (result, sizeof (result), "%010Lg %d", 1234.0L, 33, 44, 55);
2725 ASSERT (strcmp (result, "0000001234 33") == 0);
2726 ASSERT (retval == strlen (result));
2729 { /* FLAG_ZERO with infinite number. */
2732 my_snprintf (result, sizeof (result), "%015Lg %d", -1.0L / 0.0L, 33, 44, 55);
2733 ASSERT (strcmp (result, " -inf 33") == 0
2734 || strcmp (result, " -infinity 33") == 0);
2735 ASSERT (retval == strlen (result));
2738 { /* FLAG_ZERO with NaN. */
2739 static long double zero = 0.0L;
2742 my_snprintf (result, sizeof (result), "%050Lg %d", zero / zero, 33, 44, 55);
2743 ASSERT (strlen (result) == 50 + 3
2744 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2745 && strcmp (result + strlen (result) - 3, " 33") == 0);
2746 ASSERT (retval == strlen (result));
2752 my_snprintf (result, sizeof (result), "%.Lg %d", 1234.0L, 33, 44, 55);
2753 ASSERT (strcmp (result, "1e+03 33") == 0);
2754 ASSERT (retval == strlen (result));
2757 /* Test the support of the %n format directive. */
2763 my_snprintf (result, sizeof (result), "%d %n", 123, &count, 33, 44, 55);
2764 ASSERT (strcmp (result, "123 ") == 0);
2765 ASSERT (retval == strlen (result));
2766 ASSERT (count == 4);
2769 /* Test the support of the POSIX/XSI format strings with positions. */
2774 my_snprintf (result, sizeof (result), "%2$d %1$d", 33, 55);
2775 ASSERT (strcmp (result, "55 33") == 0);
2776 ASSERT (retval == strlen (result));
2779 /* Test the support of the grouping flag. */
2784 my_snprintf (result, sizeof (result), "%'d %d", 1234567, 99);
2785 ASSERT (result[strlen (result) - 1] == '9');
2786 ASSERT (retval == strlen (result));