diff options
Diffstat (limited to 'sysdeps/libm-ieee754/s_modf.c')
| -rw-r--r-- | sysdeps/libm-ieee754/s_modf.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/sysdeps/libm-ieee754/s_modf.c b/sysdeps/libm-ieee754/s_modf.c index 8075c5f813..888d4f416d 100644 --- a/sysdeps/libm-ieee754/s_modf.c +++ b/sysdeps/libm-ieee754/s_modf.c @@ -51,10 +51,8 @@ static double one = 1.0; } else { i = (0x000fffff)>>j0; if(((i0&i)|i1)==0) { /* x is integral */ - u_int32_t high; *iptr = x; - GET_HIGH_WORD(high,x); - INSERT_WORDS(x,high&0x80000000,0); /* return +-0 */ + INSERT_WORDS(x,i0&0x80000000,0); /* return +-0 */ return x; } else { INSERT_WORDS(*iptr,i0&(~i),0); @@ -64,8 +62,10 @@ static double one = 1.0; } else if (j0>51) { /* no fraction part */ u_int32_t high; *iptr = x*one; - GET_HIGH_WORD(high,x); - INSERT_WORDS(x,high&0x80000000,0); /* return +-0 */ + /* We must handle NaNs separately. */ + if (j0 == 0x400 && ((i0 & 0xfffff) | i1)) + return x*one; + INSERT_WORDS(x,i0&0x80000000,0); /* return +-0 */ return x; } else { /* fraction part in low x */ i = ((u_int32_t)(0xffffffff))>>(j0-20); |