diff options
Diffstat (limited to 'sysdeps/libm-ieee754/e_scalbf.c')
| -rw-r--r-- | sysdeps/libm-ieee754/e_scalbf.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sysdeps/libm-ieee754/e_scalbf.c b/sysdeps/libm-ieee754/e_scalbf.c index 67abbb410e..f51057e7b4 100644 --- a/sysdeps/libm-ieee754/e_scalbf.c +++ b/sysdeps/libm-ieee754/e_scalbf.c @@ -42,9 +42,13 @@ static char rcsid[] = "$NetBSD: e_scalbf.c,v 1.3 1995/05/10 20:46:12 jtc Exp $"; if (__isnanf(x)||__isnanf(fn)) return x*fn; if (!__finitef(fn)) { if(fn>(float)0.0) return x*fn; + else if (x == 0) + return x; + else if (!__finitef (x)) + return __nanf (""); else return x/(-fn); } - if (__rintf(fn)!=fn) return (fn-fn)/(fn-fn); + if (__rintf(fn)!=fn) return __nanf (""); if ( fn > (float)65000.0) return __scalbnf(x, 65000); if (-fn > (float)65000.0) return __scalbnf(x,-65000); return __scalbnf(x,(int)fn); |