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-rw-r--r--src/math/log2l.c3
-rw-r--r--src/math/logl.c9
2 files changed, 3 insertions, 9 deletions
diff --git a/src/math/log2l.c b/src/math/log2l.c
index 76a7aacd..345b395d 100644
--- a/src/math/log2l.c
+++ b/src/math/log2l.c
@@ -108,8 +108,7 @@ static const long double S[4] = {
long double log2l(long double x)
{
- long double z;
- long double y;
+ long double y, z;
int e;
if (isnan(x))
diff --git a/src/math/logl.c b/src/math/logl.c
index ffd81038..ef2b5515 100644
--- a/src/math/logl.c
+++ b/src/math/logl.c
@@ -50,11 +50,6 @@
* In the tests over the interval exp(+-10000), the logarithms
* of the random arguments were uniformly distributed over
* [-10000, +10000].
- *
- * ERROR MESSAGES:
- *
- * log singularity: x = 0; returns -INFINITY
- * log domain: x < 0; returns NAN
*/
#include "libm.h"
@@ -121,8 +116,8 @@ long double logl(long double x)
return x;
if (x <= 0.0) {
if (x == 0.0)
- return -INFINITY;
- return NAN;
+ return -1/(x+0); /* -inf with divbyzero */
+ return 0/0.0f; /* nan with invalid */
}
/* separate mantissa from exponent */