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| author | Joseph Myers <joseph@codesourcery.com> | 2012-04-09 09:42:05 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2012-04-09 09:42:05 +0000 |
| commit | c483f6b4a4277bc209820efc1ae35d976af57b4e (patch) | |
| tree | 501d3025d498d3e27308f32db0838e19c13f826e /sysdeps/x86_64/fpu | |
| parent | d2de7579f257386ba5c28dfca94fa8aef143b4e0 (diff) | |
| download | glibc-c483f6b4a4277bc209820efc1ae35d976af57b4e.tar.gz glibc-c483f6b4a4277bc209820efc1ae35d976af57b4e.tar.xz glibc-c483f6b4a4277bc209820efc1ae35d976af57b4e.zip | |
Fix x86 pow inaccuracy for large integer exponents (bug 706).
Diffstat (limited to 'sysdeps/x86_64/fpu')
| -rw-r--r-- | sysdeps/x86_64/fpu/libm-test-ulps | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/sysdeps/x86_64/fpu/libm-test-ulps b/sysdeps/x86_64/fpu/libm-test-ulps index d43955aff8..dce60cfb5b 100644 --- a/sysdeps/x86_64/fpu/libm-test-ulps +++ b/sysdeps/x86_64/fpu/libm-test-ulps @@ -1444,6 +1444,17 @@ Test "log1p (-0.25) == -0.287682072451780927439219005993827432": float: 1 ifloat: 1 +# pow +Test "pow (0x0.ffffffp0, -0x1p24) == 2.7182819094701610539628664526874952929416": +float: 1 +ifloat: 1 +Test "pow (0x0.ffffffp0, 0x1p24) == 0.3678794302077803437135155590023422899744": +float: 1 +ifloat: 1 +Test "pow (0x1.000002p0, 0x1p24) == 7.3890552180866447284268641248075832310141": +float: 1 +ifloat: 1 + # pow_downward Test "pow_downward (1.0625, 1.125) == 1.070582293028761362162622578677070098674": ildouble: 1 @@ -2413,6 +2424,10 @@ Function: "log1p": float: 1 ifloat: 1 +Function: "pow": +float: 1 +ifloat: 1 + Function: "pow_downward": float: 1 ifloat: 1 |