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authorRichard Sandiford <rdsandiford@googlemail.com>2001-04-04 13:33:01 +0000
committerRichard Sandiford <rdsandiford@googlemail.com>2001-04-04 13:33:01 +0000
commit16740220a22d09a1c63714d93f1efc5fbe3927f3 (patch)
tree7b24242b9b20a0ee328c94acd2c95e1a8778c944 /newlib/libm/math/sf_erf.c
parent51fc3813e9a9ef8079b2fbde1b12647dd3f4ac93 (diff)
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* 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_erf.c')
-rw-r--r--newlib/libm/math/sf_erf.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/newlib/libm/math/sf_erf.c b/newlib/libm/math/sf_erf.c
index 1a9fa8d01..0329c60fa 100644
--- a/newlib/libm/math/sf_erf.c
+++ b/newlib/libm/math/sf_erf.c
@@ -109,7 +109,7 @@ sb7 = -2.2440952301e+01; /* 0xc1b38712 */
float R,S,P,Q,s,y,z,r;
GET_FLOAT_WORD(hx,x);
ix = hx&0x7fffffff;
- if(ix>=0x7f800000) { /* erf(nan)=nan */
+ if(!FLT_UWORD_IS_FINITE(ix)) { /* erf(nan)=nan */
i = ((__uint32_t)hx>>31)<<1;
return (float)(1-i)+one/x; /* erf(+-inf)=+-1 */
}
@@ -166,7 +166,7 @@ sb7 = -2.2440952301e+01; /* 0xc1b38712 */
float R,S,P,Q,s,y,z,r;
GET_FLOAT_WORD(hx,x);
ix = hx&0x7fffffff;
- if(ix>=0x7f800000) { /* erfc(nan)=nan */
+ if(!FLT_UWORD_IS_FINITE(ix)) { /* erfc(nan)=nan */
/* erfc(+-inf)=0,2 */
return (float)(((__uint32_t)hx>>31)<<1)+one/x;
}