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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/math/ef_cosh.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/math/ef_cosh.c')
| -rw-r--r-- | newlib/libm/math/ef_cosh.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/newlib/libm/math/ef_cosh.c b/newlib/libm/math/ef_cosh.c index 68e59f886..bdce61a00 100644 --- a/newlib/libm/math/ef_cosh.c +++ b/newlib/libm/math/ef_cosh.c @@ -39,7 +39,7 @@ static float one = 1.0, half=0.5, huge = 1.0e30; ix &= 0x7fffffff; /* x is INF or NaN */ - if(ix>=0x7f800000) return x*x; + if(!FLT_UWORD_IS_FINITE(ix)) return x*x; /* |x| in [0,0.5*ln2], return 1+expm1(|x|)^2/(2*exp(|x|)) */ if(ix<0x3eb17218) { @@ -56,10 +56,11 @@ static float one = 1.0, half=0.5, huge = 1.0e30; } /* |x| in [22, log(maxdouble)] return half*exp(|x|) */ - if (ix < 0x42b17180) return half*__ieee754_expf(fabsf(x)); + if (ix <= FLT_UWORD_LOG_MAX) + return half*__ieee754_expf(fabsf(x)); /* |x| in [log(maxdouble), overflowthresold] */ - if (ix<=0x42b2d4fc) { + if (ix <= FLT_UWORD_LOG_2MAX) { w = __ieee754_expf(half*fabsf(x)); t = half*w; return t*w; |