diff options
Diffstat (limited to 'lib/msun')
-rw-r--r-- | lib/msun/src/s_modf.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/msun/src/s_modf.c b/lib/msun/src/s_modf.c index 8cfe568..ab13191 100644 --- a/lib/msun/src/s_modf.c +++ b/lib/msun/src/s_modf.c @@ -55,6 +55,10 @@ modf(double x, double *iptr) } } else if (j0>51) { /* no fraction part */ u_int32_t high; + if (j0 == 0x400) { /* inf/NaN */ + *iptr = x; + return 0.0 / x; + } *iptr = x*one; GET_HIGH_WORD(high,x); INSERT_WORDS(x,high&0x80000000,0); /* return +-0 */ |