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-rw-r--r--newlib/libm/math/sf_frexp.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/newlib/libm/math/sf_frexp.c b/newlib/libm/math/sf_frexp.c
index 271fb9dca..8dd8a9767 100644
--- a/newlib/libm/math/sf_frexp.c
+++ b/newlib/libm/math/sf_frexp.c
@@ -33,8 +33,8 @@ two25 = 3.3554432000e+07; /* 0x4c000000 */
GET_FLOAT_WORD(hx,x);
ix = 0x7fffffff&hx;
*eptr = 0;
- if(ix>=0x7f800000||(ix==0)) return x; /* 0,inf,nan */
- if (ix<0x00800000) { /* subnormal */
+ if(!FLT_UWORD_IS_FINITE(ix)||FLT_UWORD_IS_ZERO(ix)) return x; /* 0,inf,nan */
+ if (FLT_UWORD_IS_SUBNORMAL(ix)) { /* subnormal */
x *= two25;
GET_FLOAT_WORD(hx,x);
ix = hx&0x7fffffff;