about summary refs log tree commit diff
path: root/src/math/logl.c
diff options
context:
space:
mode:
authorRich Felker <dalias@aerifal.cx>2012-11-15 08:37:58 -0500
committerRich Felker <dalias@aerifal.cx>2012-11-15 08:37:58 -0500
commit8bb181622222f2ee3462c8b021bcae4fcdbbd37a (patch)
tree166a1be834c8cd5a4c2521d41d7ee506bd8c8e51 /src/math/logl.c
parent22781b4d8ecaf97ac52d2a501a2e7d3bc1920ce0 (diff)
parent68847ecd3a644d3ffd9be58603be1a3fa437dff0 (diff)
downloadmusl-8bb181622222f2ee3462c8b021bcae4fcdbbd37a.tar.gz
musl-8bb181622222f2ee3462c8b021bcae4fcdbbd37a.tar.xz
musl-8bb181622222f2ee3462c8b021bcae4fcdbbd37a.zip
Merge remote-tracking branch 'nsz/math'
Diffstat (limited to 'src/math/logl.c')
-rw-r--r--src/math/logl.c9
1 files changed, 2 insertions, 7 deletions
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 */