diff options
Diffstat (limited to 'sysdeps/x86_64')
| -rw-r--r-- | sysdeps/x86_64/fpu/e_log10l.S | 8 | ||||
| -rw-r--r-- | sysdeps/x86_64/fpu/libm-test-ulps | 24 |
2 files changed, 31 insertions, 1 deletions
diff --git a/sysdeps/x86_64/fpu/e_log10l.S b/sysdeps/x86_64/fpu/e_log10l.S index 6c07024c19..2607ad199b 100644 --- a/sysdeps/x86_64/fpu/e_log10l.S +++ b/sysdeps/x86_64/fpu/e_log10l.S @@ -46,7 +46,13 @@ ENTRY(__ieee754_log10l) fnstsw // x-1 : x : log10(2) andb $0x45, %ah jz 2f - fstp %st(1) // x-1 : log10(2) + fxam + fnstsw + andb $0x45, %ah + cmpb $0x40, %ah + jne 5f + fabs // log10(1) is +0 in all rounding modes. +5: fstp %st(1) // x-1 : log10(2) fyl2xp1 // log10(x) ret diff --git a/sysdeps/x86_64/fpu/libm-test-ulps b/sysdeps/x86_64/fpu/libm-test-ulps index d47287696c..bb549d2b0d 100644 --- a/sysdeps/x86_64/fpu/libm-test-ulps +++ b/sysdeps/x86_64/fpu/libm-test-ulps @@ -1611,6 +1611,30 @@ ifloat: 2 ildouble: 1 ldouble: 1 +Function: "log10_downward": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 +ildouble: 1 +ldouble: 1 + +Function: "log10_towardzero": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 +ildouble: 1 +ldouble: 1 + +Function: "log10_upward": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 +ildouble: 1 +ldouble: 1 + Function: "log1p": float: 1 ifloat: 1 |