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| author | Jakub Jelinek <jakub@redhat.com> | 2007-05-03 12:15:04 +0000 |
|---|---|---|
| committer | Jakub Jelinek <jakub@redhat.com> | 2007-05-03 12:15:04 +0000 |
| commit | 002f0b0b5df92cc1c1302c6b95c0c97fd986ed94 (patch) | |
| tree | 908b1cf953bdc17ad9a01eed2e7fa7d8aafa1bde /math/test-misc.c | |
| parent | 57433edee3c08b16967487664a28e0ecc99d7f8c (diff) | |
| download | glibc-002f0b0b5df92cc1c1302c6b95c0c97fd986ed94.zip glibc-002f0b0b5df92cc1c1302c6b95c0c97fd986ed94.tar.gz glibc-002f0b0b5df92cc1c1302c6b95c0c97fd986ed94.tar.bz2 | |
* math/test-misc.c (main): Add tests for rounding long double
values close to smallest double denormalized value to double.
* soft-fp/op-common.h (FP_TRUNC): Correct off-by-one error in
condition for truncating to 0. Set sticky bit for such
truncation.
2007-05-03 Jakub Jelinek <jakub@redhat.com>
* math/test-misc.c (main): Add tests for rounding long double
values close to smallest double denormalized value to double.
2007-04-30 Joseph Myers <joseph@codesourcery.com>
* soft-fp/op-common.h (FP_TRUNC): Correct off-by-one error in
condition for truncating to 0. Set sticky bit for such
truncation.
Diffstat (limited to 'math/test-misc.c')
| -rw-r--r-- | math/test-misc.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/math/test-misc.c b/math/test-misc.c index 862e11f..1dc4d90 100644 --- a/math/test-misc.c +++ b/math/test-misc.c @@ -1235,5 +1235,22 @@ main (void) } #endif +#if !defined NO_LONG_DOUBLE && LDBL_MANT_DIG >= DBL_MANT_DIG + 4 + volatile long double ld5 = nextafter (0.0, 1.0) / 16.0L; + volatile double d5; + (void) &ld5; + int i; + for (i = 0; i <= 32; i++) + { + d5 = ld5 * i; + (void) &d5; + if (d5 != (i <= 8 ? 0 : i < 24 ? 1 : 2) * nextafter (0.0, 1.0)) + { + printf ("%La incorrectly rounded to %a\n", ld5 * i, d5); + result = 1; + } + } +#endif + return result; } |