X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Ftruncl.c;h=b95372cc59e23b1496c0bdf7e49d03245288a3f8;hb=a77413333408e54b8d6c4e19918098794cef4b4b;hp=aa0d40549c318999b2ca05143cd8cdf652da50f9;hpb=4b6dad7e35019625bd5eb30796beebac099a7422;p=gnulib.git

diff --git a/lib/truncl.c b/lib/truncl.c
index aa0d40549..b95372cc5 100644
--- a/lib/truncl.c
+++ b/lib/truncl.c
@@ -1,5 +1,5 @@
 /* Round towards zero.
-   Copyright (C) 2007, 2009-2011 Free Software Foundation, Inc.
+   Copyright (C) 2007, 2009-2013 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -16,5 +16,22 @@
 
 /* Written by Bruno Haible <bruno@clisp.org>, 2007.  */
 
-#define USE_LONG_DOUBLE
-#include "trunc.c"
+#include <config.h>
+
+#if HAVE_SAME_LONG_DOUBLE_AS_DOUBLE
+
+/* Specification.  */
+# include <math.h>
+
+long double
+truncl (long double x)
+{
+  return trunc (x);
+}
+
+#else
+
+# define USE_LONG_DOUBLE
+# include "trunc.c"
+
+#endif