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| author | Richard Sandiford <rdsandiford@googlemail.com> | 2001-04-04 13:33:01 +0000 |
|---|---|---|
| committer | Richard Sandiford <rdsandiford@googlemail.com> | 2001-04-04 13:33:01 +0000 |
| commit | 16740220a22d09a1c63714d93f1efc5fbe3927f3 (patch) | |
| tree | 7b24242b9b20a0ee328c94acd2c95e1a8778c944 /newlib/libm/common/sf_logb.c | |
| parent | 51fc3813e9a9ef8079b2fbde1b12647dd3f4ac93 (diff) | |
| download | cygnal-16740220a22d09a1c63714d93f1efc5fbe3927f3.tar.gz cygnal-16740220a22d09a1c63714d93f1efc5fbe3927f3.tar.bz2 cygnal-16740220a22d09a1c63714d93f1efc5fbe3927f3.zip | |
* libc/include/machine/ieeefp.h: Comment about new configuration
macros _FLT_LARGEST_EXPONENT_IS_NORMAL and _FLT_NO_DENORMALS.
* libm/common/fdlib.h: Define new macros for testing floats.
* libm/common/sf_*: Use them.
* libm/math/ef_*: Likewise.
* libm/math/sf_*: Likewise.
Diffstat (limited to 'newlib/libm/common/sf_logb.c')
| -rw-r--r-- | newlib/libm/common/sf_logb.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/newlib/libm/common/sf_logb.c b/newlib/libm/common/sf_logb.c index 6e67637fe..f193f91f6 100644 --- a/newlib/libm/common/sf_logb.c +++ b/newlib/libm/common/sf_logb.c @@ -25,8 +25,8 @@ __int32_t ix; GET_FLOAT_WORD(ix,x); ix &= 0x7fffffff; /* high |x| */ - if(ix==0) return (float)-1.0/fabsf(x); - if(ix>=0x7f800000) return x*x; + if(FLT_UWORD_IS_ZERO(ix)) return (float)-1.0/fabsf(x); + if(!FLT_UWORD_IS_FINITE(ix)) return x*x; if((ix>>=23)==0) /* IEEE 754 logb */ return -126.0; else |