2554, 2562, 2563, 2565, 2566, 2576, 2636, 2678, 3335, 3768, 3866, 3868,
3976, 3992, 4026, 4108, 4596, 4822, 5077, 5461, 5805, 5993, 6471, 6486,
6578, 6649, 6730, 6770, 6794, 6884, 6890, 6894, 6895, 6907, 6911, 7064,
- 9739, 9902, 10110, 10135, 10140, 10153, 10210, 10254, 10346, 10545,
- 10716, 11174, 11322, 11365, 11451, 11494, 11521, 11959, 12047, 12340,
- 13058, 13525, 13526, 13527, 13528, 13529, 13530, 13531, 13532, 13533,
- 13547, 13551, 13552, 13553, 13555, 13559, 13566, 13583, 13592, 13618,
- 13637, 13656, 13658, 13673, 13691, 13695, 13704, 13705, 13706, 13726,
- 13738, 13739, 13760, 13761, 13786, 13792, 13806, 13824, 13840, 13841,
- 13844, 13846, 13851, 13852, 13854, 13871, 13872, 13873, 13879, 13883,
- 13886, 13892, 13895, 13908, 13910, 13911, 13912, 13913, 13915, 13916,
- 13917, 13918, 13919, 13920, 13921, 13926, 13927, 13928, 13938, 13963,
+ 9739, 9902, 10110, 10135, 10140, 10153, 10210, 10254, 10346, 10545, 10716,
+ 11174, 11322, 11365, 11451, 11494, 11521, 11959, 12047, 12340, 13058,
+ 13525, 13526, 13527, 13528, 13529, 13530, 13531, 13532, 13533, 13547,
+ 13551, 13552, 13553, 13555, 13559, 13566, 13583, 13592, 13618, 13637,
+ 13656, 13658, 13673, 13691, 13695, 13704, 13705, 13706, 13726, 13738,
+ 13739, 13760, 13761, 13786, 13792, 13806, 13824, 13840, 13841, 13844,
+ 13846, 13851, 13852, 13854, 13871, 13872, 13873, 13879, 13883, 13886,
+ 13892, 13895, 13908, 13910, 13911, 13912, 13913, 13915, 13916, 13917,
+ 13918, 13919, 13920, 13921, 13926, 13927, 13928, 13938, 13941, 13963,
13967, 13970, 13973, 14027
* ISO C11 support:
--- /dev/null
+/* Copyright (C) 2012 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+/* Test bug #13941. */
+
+#include <float.h>
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+
+int
+main (void)
+{
+#if LDBL_MANT_DIG >= 106
+ volatile union { long double l; long long x[2]; } u, v;
+ char buf[64];
+#endif
+ int result = 0;
+
+#if LDBL_MANT_DIG == 106 || LDBL_MANT_DIG == 113
+# define COMPARE_LDBL(u, v) \
+ ((u).l == (v).l && (u).x[0] == (v).x[0] && (u).x[1] == (v).x[1])
+#else
+# define COMPARE_LDBL(u, v) ((u).l == (v).l)
+#endif
+
+#define TEST(val) \
+ do \
+ { \
+ u.l = (val); \
+ snprintf (buf, sizeof buf, "%.30LgL", u.l); \
+ if (strcmp (buf, #val) != 0) \
+ { \
+ printf ("Error on line %d: %s != %s\n", __LINE__, buf, #val); \
+ result = 1; \
+ } \
+ if (sscanf (#val, "%Lg", &v.l) != 1 || !COMPARE_LDBL (u, v)) \
+ { \
+ printf ("Error sscanf on line %d: %.30Lg != %.30Lg\n", __LINE__, \
+ u.l, v.l); \
+ result = 1; \
+ } \
+ /* printf ("%s %Lg %016Lx %016Lx\n", #val, u.l, u.x[0], u.x[1]); */ \
+ } \
+ while (0)
+
+#if LDBL_MANT_DIG >= 106
+# if LDBL_MANT_DIG == 106
+ TEST (2.22507385850719347803989925739e-308L);
+ TEST (2.22507385850719397210554509863e-308L);
+ TEST (2.22507385850720088902458687609e-308L);
+# endif
+ TEST (2.22507385850720138309023271733e-308L);
+ TEST (2.22507385850720187715587855858e-308L);
+ TEST (2.2250738585074419930597574044e-308L);
+ TEST (4.45014771701440227211481959342e-308L);
+ TEST (4.45014771701440276618046543466e-308L);
+ TEST (4.45014771701440375431175711716e-308L);
+ TEST (4.45014771701440474244304879965e-308L);
+ TEST (7.12023634722304600689881138745e-307L);
+ TEST (1.13923781555569064960474854133e-305L);
+ TEST (1.13777777777777776389998996996L);
+ TEST (1.13777777777777765287768750745L);
+ TEST (20988295479420645138.2044444444L);
+ TEST (20988295479420643090.2044444444L);
+ TEST (2.14668699894294423266045294316e-292L);
+# if LDBL_MANT_DIG == 106
+ TEST (-2.35993711055432139266626434123e-292L);
+ TEST (6.26323524637968345414769634658e-302L);
+ TEST (1.49327164802066885331814201989e-308L);
+ TEST (3.71834550652787023640837473722e-308L);
+ TEST (9.51896449671134907001349268087e-306L);
+# endif
+#endif
+ return result;
+}
-/* Copyright (C) 1995,1996,1997,1998,1999,2002,2003,2006
- Free Software Foundation, Inc.
+/* Copyright (C) 1995-2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
else
{
/* It is a denormal number, meaning it has no implicit leading
- one bit, and its exponent is in fact the format minimum. */
+ one bit, and its exponent is in fact the format minimum. We
+ use DBL_MIN_EXP instead of LDBL_MIN_EXP below because the
+ latter describes the properties of both parts together, but
+ the exponent is computed from the high part only. */
int cnt;
#if N == 2
res_ptr[N - 1] = res_ptr[N - 1] << cnt
| (res_ptr[0] >> (BITS_PER_MP_LIMB - cnt));
res_ptr[0] <<= cnt;
- *expt = LDBL_MIN_EXP - 1 - cnt;
+ *expt = DBL_MIN_EXP - 1 - cnt;
}
else
{
res_ptr[N - 1] = res_ptr[0] >> (NUM_LEADING_ZEROS - cnt);
res_ptr[0] <<= BITS_PER_MP_LIMB - (NUM_LEADING_ZEROS - cnt);
}
- *expt = LDBL_MIN_EXP - 1
+ *expt = DBL_MIN_EXP - 1
- (BITS_PER_MP_LIMB - NUM_LEADING_ZEROS) - cnt;
}
#else
for (; k >= 0; k--)
res_ptr[k] = 0;
- *expt = LDBL_MIN_EXP - 1 - l * BITS_PER_MP_LIMB - cnt;
+ *expt = DBL_MIN_EXP - 1 - l * BITS_PER_MP_LIMB - cnt;
#endif
}
}
projects / thirdparty / glibc.git / commitdiff
