diff options
Diffstat (limited to 'newlib/libm/math/wf_scalb.c')
| -rw-r--r-- | newlib/libm/math/wf_scalb.c | 37 |
1 files changed, 6 insertions, 31 deletions
diff --git a/newlib/libm/math/wf_scalb.c b/newlib/libm/math/wf_scalb.c index d2c3cd2aa..acdf8a80d 100644 --- a/newlib/libm/math/wf_scalb.c +++ b/newlib/libm/math/wf_scalb.c @@ -47,42 +47,17 @@ SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif - struct exception exc; z = __ieee754_scalbf(x,fn); if(_LIB_VERSION == _IEEE_) return z; if(!(finitef(z)||isnan(z))&&finitef(x)) { - /* scalbf overflow; SVID also returns +-HUGE_VAL */ - exc.type = OVERFLOW; - exc.name = "scalbf"; - exc.err = 0; - exc.arg1 = (double)x; - exc.arg2 = (double)fn; - exc.retval = x > 0.0 ? HUGE_VAL : -HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + /* scalbf overflow; */ + errno = ERANGE; + return (x > 0.0 ? HUGE_VAL : -HUGE_VAL); } - if(z==(float)0.0&&z!=x) { + if(z==0.0f&&z!=x) { /* scalbf underflow */ - exc.type = UNDERFLOW; - exc.name = "scalbf"; - exc.err = 0; - exc.arg1 = (double)x; - exc.arg2 = (double)fn; - exc.retval = copysign(0.0,x); - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = ERANGE; + return copysign(0.0,x); } #ifndef _SCALB_INT if(!finitef(fn)) errno = ERANGE; |