diff options
Diffstat (limited to 'lib/msun/src/s_ilogbf.c')
| -rw-r--r-- | lib/msun/src/s_ilogbf.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/msun/src/s_ilogbf.c b/lib/msun/src/s_ilogbf.c index b65a365..ff58813 100644 --- a/lib/msun/src/s_ilogbf.c +++ b/lib/msun/src/s_ilogbf.c @@ -17,6 +17,8 @@ static char rcsid[] = "$FreeBSD$"; #endif +#include <limits.h> + #include "math.h" #include "math_private.h" @@ -28,11 +30,12 @@ static char rcsid[] = "$FreeBSD$"; hx &= 0x7fffffff; if(hx<0x00800000) { if(hx==0) - return 0x80000001; /* ilogb(0) = 0x80000001 */ + return FP_ILOGB0; else /* subnormal x */ for (ix = -126,hx<<=8; hx>0; hx<<=1) ix -=1; return ix; } else if (hx<0x7f800000) return (hx>>23)-127; - else return 0x7fffffff; + else if (hx>0x7f800000) return FP_ILOGBNAN; + else return INT_MAX; } |
