diff options
Diffstat (limited to 'newlib/libm/math/wf_log.c')
| -rw-r--r-- | newlib/libm/math/wf_log.c | 32 |
1 files changed, 6 insertions, 26 deletions
diff --git a/newlib/libm/math/wf_log.c b/newlib/libm/math/wf_log.c index 07be8d63c..24e6eeb80 100644 --- a/newlib/libm/math/wf_log.c +++ b/newlib/libm/math/wf_log.c @@ -32,43 +32,23 @@ return __ieee754_logf(x); #else float z; - struct exception exc; z = __ieee754_logf(x); - if(_LIB_VERSION == _IEEE_ || isnan(x) || x > (float)0.0) return z; + if(_LIB_VERSION == _IEEE_ || isnan(x) || x > 0.0f) return z; #ifndef HUGE_VAL #define HUGE_VAL inf double inf = 0.0; SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif - exc.name = "logf"; - exc.err = 0; - exc.arg1 = exc.arg2 = (double)x; - if (_LIB_VERSION == _SVID_) - exc.retval = -HUGE; - else - exc.retval = -HUGE_VAL; - if(x==(float)0.0) { + if(x==0.0f) { /* logf(0) */ - exc.type = SING; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } + errno = ERANGE; + return (float)-HUGE_VAL; } else { /* logf(x<0) */ - exc.type = DOMAIN; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - exc.retval = nan(""); + errno = EDOM; + return nan(""); } - if (exc.err != 0) - errno = exc.err; - return (float)exc.retval; #endif } |