diff options
| -rw-r--r-- | ChangeLog | 7 | ||||
| -rw-r--r-- | NEWS | 23 | ||||
| -rw-r--r-- | math/libm-test.inc | 6 | ||||
| -rw-r--r-- | math/w_exp10.c | 2 | ||||
| -rw-r--r-- | math/w_exp10f.c | 2 | ||||
| -rw-r--r-- | math/w_exp10l.c | 2 |
6 files changed, 26 insertions, 16 deletions
diff --git a/ChangeLog b/ChangeLog index 25e7725bf2..80a65ea1c7 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,12 @@ 2013-11-29 Joseph Myers <joseph@codesourcery.com> + [BZ #6787] + * math/w_exp10.c (__exp10): Handle a zero result as underflow. + * math/w_exp10f.c (__exp10f): Likewise. + * math/w_exp10l.c (__exp10l): Likewise. + * math/libm-test.inc (exp10_test_data): Add more tests and expect + errno settings in existing tests. + [BZ #14032] * sysdeps/i386/fpu/e_sqrt.S (__ieee754_sqrt): Do fsqrt with precision control set to double precision. diff --git a/NEWS b/NEWS index 0115c8fec1..e85b4c6e30 100644 --- a/NEWS +++ b/NEWS @@ -9,17 +9,18 @@ Version 2.19 * The following bugs are resolved with this release: - 156, 387, 431, 832, 2801, 7003, 9954, 10253, 10278, 11087, 11157, 11214, - 13028, 13982, 13985, 14029, 14032, 14143, 14155, 14547, 14699, 14752, - 14876, 14910, 15004, 15048, 15218, 15277, 15308, 15362, 15374, 15400, - 15427, 15483, 15522, 15531, 15532, 15601, 15608, 15609, 15610, 15632, - 15640, 15670, 15672, 15680, 15681, 15723, 15734, 15735, 15736, 15748, - 15749, 15754, 15760, 15763, 15764, 15797, 15799, 15825, 15844, 15847, - 15849, 15855, 15856, 15857, 15859, 15867, 15886, 15887, 15890, 15892, - 15893, 15895, 15897, 15905, 15909, 15917, 15919, 15921, 15923, 15939, - 15948, 15963, 15966, 15985, 15988, 15997, 16032, 16034, 16036, 16037, - 16041, 16055, 16071, 16072, 16074, 16077, 16078, 16103, 16112, 16143, - 16144, 16146, 16150, 16151, 16153, 16167, 16172, 16214, 16245, 16271. + 156, 387, 431, 832, 2801, 6787, 7003, 9954, 10253, 10278, 11087, 11157, + 11214, 13028, 13982, 13985, 14029, 14032, 14143, 14155, 14547, 14699, + 14752, 14876, 14910, 15004, 15048, 15218, 15277, 15308, 15362, 15374, + 15400, 15427, 15483, 15522, 15531, 15532, 15601, 15608, 15609, 15610, + 15632, 15640, 15670, 15672, 15680, 15681, 15723, 15734, 15735, 15736, + 15748, 15749, 15754, 15760, 15763, 15764, 15797, 15799, 15825, 15844, + 15847, 15849, 15855, 15856, 15857, 15859, 15867, 15886, 15887, 15890, + 15892, 15893, 15895, 15897, 15905, 15909, 15917, 15919, 15921, 15923, + 15939, 15948, 15963, 15966, 15985, 15988, 15997, 16032, 16034, 16036, + 16037, 16041, 16055, 16071, 16072, 16074, 16077, 16078, 16103, 16112, + 16143, 16144, 16146, 16150, 16151, 16153, 16167, 16172, 16214, 16245, + 16271. * The public headers no longer use __unused nor __block. This change is to support compiling programs that are derived from BSD sources and use diff --git a/math/libm-test.inc b/math/libm-test.inc index 7c599c101c..6e9d37ad22 100644 --- a/math/libm-test.inc +++ b/math/libm-test.inc @@ -8134,10 +8134,12 @@ static const struct test_f_f_data exp10_test_data[] = TEST_f_f (exp10, 4932, 1.0e4932L), TEST_f_f (exp10, -4932, 1.0e-4932L, UNDERFLOW_EXCEPTION), #endif + TEST_f_f (exp10, 1e5, plus_infty, OVERFLOW_EXCEPTION|ERRNO_ERANGE), + TEST_f_f (exp10, -1e5, 0, UNDERFLOW_EXCEPTION|ERRNO_ERANGE), TEST_f_f (exp10, 1e6, plus_infty, OVERFLOW_EXCEPTION|ERRNO_ERANGE), - TEST_f_f (exp10, -1e6, 0, UNDERFLOW_EXCEPTION), + TEST_f_f (exp10, -1e6, 0, UNDERFLOW_EXCEPTION|ERRNO_ERANGE), TEST_f_f (exp10, max_value, plus_infty, OVERFLOW_EXCEPTION|ERRNO_ERANGE), - TEST_f_f (exp10, -max_value, 0, UNDERFLOW_EXCEPTION), + TEST_f_f (exp10, -max_value, 0, UNDERFLOW_EXCEPTION|ERRNO_ERANGE), TEST_f_f (exp10, 0.75L, 5.62341325190349080394951039776481231L), }; diff --git a/math/w_exp10.c b/math/w_exp10.c index 3db012d1f1..17823f57ef 100644 --- a/math/w_exp10.c +++ b/math/w_exp10.c @@ -28,7 +28,7 @@ double __exp10 (double x) { double z = __ieee754_exp10 (x); - if (__builtin_expect (!__finite (z), 0) + if (__builtin_expect (!__finite (z) || z == 0, 0) && __finite (x) && _LIB_VERSION != _IEEE_) /* exp10 overflow (46) if x > 0, underflow (47) if x < 0. */ return __kernel_standard (x, x, 46 + !!__signbit (x)); diff --git a/math/w_exp10f.c b/math/w_exp10f.c index 082b34faf5..e2f9185b1e 100644 --- a/math/w_exp10f.c +++ b/math/w_exp10f.c @@ -28,7 +28,7 @@ float __exp10f (float x) { float z = __ieee754_exp10f (x); - if (__builtin_expect (!__finitef (z), 0) + if (__builtin_expect (!__finitef (z) || z == 0, 0) && __finitef (x) && _LIB_VERSION != _IEEE_) /* exp10f overflow (146) if x > 0, underflow (147) if x < 0. */ return __kernel_standard_f (x, x, 146 + !!__signbitf (x)); diff --git a/math/w_exp10l.c b/math/w_exp10l.c index 10f3f81fe0..19facddee6 100644 --- a/math/w_exp10l.c +++ b/math/w_exp10l.c @@ -28,7 +28,7 @@ long double __exp10l (long double x) { long double z = __ieee754_exp10l (x); - if (__builtin_expect (!__finitel (z), 0) + if (__builtin_expect (!__finitel (z) || z == 0, 0) && __finitel (x) && _LIB_VERSION != _IEEE_) /* exp10l overflow (246) if x > 0, underflow (247) if x < 0. */ return __kernel_standard_l (x, x, 246 + !!__signbitl (x)); |