X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Flogl.c;h=0c00a2b22857aaedc34d8f5a196a859461b9452b;hb=cd56634a4a8179fd5a4419fbb3e27211b042ab1c;hp=42c50cb1ac1a23a3758522c90dfa4ccb41d9b598;hpb=2408f02086a20c0a02241cd4a1cf11f126a95fe3;p=gnulib.git

diff --git a/lib/logl.c b/lib/logl.c
index 42c50cb1a..0c00a2b22 100644
--- a/lib/logl.c
+++ b/lib/logl.c
@@ -26,8 +26,23 @@ logl (long double x)
   return log (x);
 }
 
+#elif HAVE_LOGL
+
+long double
+logl (long double x)
+# undef logl
+{
+  /* Work around the OSF/1 5.1 bug.  */
+  if (x == 0.0L)
+    /* Return -Infinity.  */
+    return -1.0L / 0.0L;
+  return logl (x);
+}
+
 #else
 
+/* Code based on glibc/sysdeps/ieee754/ldbl-128/e_logl.c.  */
+
 /*                                                      logll.c
  *
  * Natural logarithm for 128-bit long double precision.