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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/sf_floor.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/sf_floor.c')
| -rw-r--r-- | newlib/libm/math/sf_floor.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/newlib/libm/math/sf_floor.c b/newlib/libm/math/sf_floor.c index 787f2fdf0..9264d81e9 100644 --- a/newlib/libm/math/sf_floor.c +++ b/newlib/libm/math/sf_floor.c @@ -38,14 +38,15 @@ static float huge = 1.0e30; #endif { __int32_t i0,j0; - __uint32_t i; + __uint32_t i,ix; GET_FLOAT_WORD(i0,x); - j0 = ((i0>>23)&0xff)-0x7f; + ix = (i0&0x7fffffff); + j0 = (ix>>23)-0x7f; if(j0<23) { if(j0<0) { /* raise inexact if x != 0 */ if(huge+x>(float)0.0) {/* return 0*sign(x) if |x|<1 */ if(i0>=0) {i0=0;} - else if((i0&0x7fffffff)!=0) + else if(!FLT_UWORD_IS_ZERO(ix)) { i0=0xbf800000;} } } else { @@ -57,7 +58,7 @@ static float huge = 1.0e30; } } } else { - if(j0==0x80) return x+x; /* inf or NaN */ + if(!FLT_UWORD_IS_FINITE(ix)) return x+x; /* inf or NaN */ else return x; /* x is integral */ } SET_FLOAT_WORD(x,i0); |