diff options
| author | David S. Miller <davem@davemloft.net> | 2012-11-18 12:33:53 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-11-18 12:33:53 -0800 |
| commit | 05b227bdaea9a5f1faf08dad31221d8736f3659d (patch) | |
| tree | 06e947ef8dbcee671b979246fa994fba53081e4c /sysdeps/x86_64 | |
| parent | 786b0b67a3019e84988a6d5a79fd97801580a1cd (diff) | |
| download | glibc-05b227bdaea9a5f1faf08dad31221d8736f3659d.tar.gz glibc-05b227bdaea9a5f1faf08dad31221d8736f3659d.tar.xz glibc-05b227bdaea9a5f1faf08dad31221d8736f3659d.zip | |
Correct tinyness handling in long-double and float y0/y1.
With help from Joseph Myers. * sysdeps/ieee754/flt-32/e_j0f.c (__ieee754_y0f): Adjust tinyness cutoff to 2**-13. * sysdeps/ieee754/flt-32/e_j1f.c (__ieee754_y1f): Adjust tinyness cutoff to 2**-25. * sysdeps/ieee754/ldbl-128/e_j0l.c (U0): New constant. ( __ieee754_y0l): Avoid arithmetic underflow when 'x' is very small. * sysdeps/ieee754/ldbl-128/e_j1l.c (__ieee754_y1l): Likewise. * math/libm-test.inc (y0_test): New tests. (y1_test): New tests. * sysdeps/i386/fpu/libm-test-ulps: Update. * sysdeps/x86_64/fpu/libm-test-ulps: Update. * sysdeps/sparc/fpu/libm-test-ulps: Update.
Diffstat (limited to 'sysdeps/x86_64')
| -rw-r--r-- | sysdeps/x86_64/fpu/libm-test-ulps | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/sysdeps/x86_64/fpu/libm-test-ulps b/sysdeps/x86_64/fpu/libm-test-ulps index 9c5157ff7e..4767be94db 100644 --- a/sysdeps/x86_64/fpu/libm-test-ulps +++ b/sysdeps/x86_64/fpu/libm-test-ulps @@ -2796,6 +2796,38 @@ ldouble: 1 Test "y0 (0x1.ff00000000002p+840) == 1.846591691699331493194965158699937660696e-127": double: 1 idouble: 1 +Test "y0 (0x1p-10) == -4.4865150767109739412411806297168793661098": +double: 1 +idouble: 1 +ildouble: 1 +ldouble: 1 +Test "y0 (0x1p-110) == -4.861363632869203777249475899390797503250e+1": +double: 1 +idouble: 1 +Test "y0 (0x1p-20) == -8.8992283012125827603076426611387876938160": +float: 1 +ifloat: 1 +Test "y0 (0x1p-30) == -1.3311940304267782826037118027401817264906e+1": +float: 1 +ifloat: 1 +ildouble: 1 +ldouble: 1 +Test "y0 (0x1p-40) == -1.7724652307320814696990854700366226762563e+1": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 +Test "y0 (0x1p-50) == -2.2137364310373846564919987139743760738155e+1": +float: 1 +ifloat: 1 +Test "y0 (0x1p-70) == -3.0962788316479910300778244424468159753887e+1": +double: 1 +idouble: 1 +Test "y0 (0x1p-80) == -3.5375500319532942168707373066828113573541e+1": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 Test "y0 (1.0) == 0.0882569642156769579829267660235151628": double: 2 float: 1 @@ -2837,6 +2869,9 @@ idouble: 1 ifloat: 1 ildouble: 1 ldouble: 1 +Test "y1 (0x1p-10) == -6.5190099301063115047395187618929589514382e+02": +double: 1 +idouble: 1 Test "y1 (1.5) == -0.412308626973911295952829820633445323": float: 1 ifloat: 1 |