aboutsummaryrefslogtreecommitdiff
path: root/newlib/libm/math/wf_log10.c
diff options
context:
space:
mode:
Diffstat (limited to 'newlib/libm/math/wf_log10.c')
-rw-r--r--newlib/libm/math/wf_log10.c36
1 files changed, 8 insertions, 28 deletions
diff --git a/newlib/libm/math/wf_log10.c b/newlib/libm/math/wf_log10.c
index 11c5956..3560c5c 100644
--- a/newlib/libm/math/wf_log10.c
+++ b/newlib/libm/math/wf_log10.c
@@ -31,44 +31,24 @@
return __ieee754_log10f(x);
#else
float z;
- struct exception exc;
z = __ieee754_log10f(x);
if(_LIB_VERSION == _IEEE_ || isnan(x)) return z;
- if(x<=(float)0.0) {
+ if(x<=0.0f) {
#ifndef HUGE_VAL
#define HUGE_VAL inf
double inf = 0.0;
SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */
#endif
- exc.name = "log10f";
- 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) {
- /* log10f(0) */
- exc.type = SING;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!matherr(&exc)) {
- errno = ERANGE;
- }
+ if(x==0.0f) {
+ /* log10f(0) */
+ errno = ERANGE;
+ return (float)-HUGE_VAL;
} else {
- /* log10f(x<0) */
- exc.type = DOMAIN;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!matherr(&exc)) {
- errno = EDOM;
- }
- exc.retval = nan("");
+ /* log10f(x<0) */
+ errno = EDOM;
+ return nan("");
}
- if (exc.err != 0)
- errno = exc.err;
- return (float)exc.retval;
} else
return z;
#endif