X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Flogf.c;h=f2d5250f61f072ea10c15417c79ef4245aeae0f1;hb=14a3c6e4da8e6c5e65d0bba54cd42a91fd582603;hp=3bf0f138feba388c1d1e42d1f3f99d50727882f6;hpb=204f9216c0518251439234fe17bd2f7798156aa3;p=gnulib.git

diff --git a/lib/logf.c b/lib/logf.c
index 3bf0f138f..f2d5250f6 100644
--- a/lib/logf.c
+++ b/lib/logf.c
@@ -24,10 +24,17 @@ logf (float x)
 #undef logf
 {
 #if HAVE_LOGF
-  /* Work around the OSF/1 5.1 bug.  */
-  if (x == 0.0f)
-    /* Return -Infinity.  */
-    return -1.0f / 0.0f;
+  if (x <= 0.0f)
+    {
+      /* Work around the OSF/1 5.1 bug.  */
+      if (x == 0.0f)
+        /* Return -Infinity.  */
+        return -1.0f / 0.0f;
+      /* Work around the NetBSD 5.1 bug.  */
+      else /* x < 0.0 */
+        /* Return NaN.  */
+        return 0.0f / 0.0f;
+    }
   return logf (x);
 #else
   return (float) log ((double) x);