X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=lib%2Ffloorl.c;h=54ffb679ca2c14ad2cdabcab3ea1027389dda178;hb=3386f3988ce2ab14d65f59659d8f95bf4830ecb3;hp=84b212e9e18f80487e044f303d19c5f34cffa952;hpb=e1123c2f4fedae90435426a82a05cf2e3233e97d;p=gnulib.git

diff --git a/lib/floorl.c b/lib/floorl.c
index 84b212e9e..54ffb679c 100644
--- a/lib/floorl.c
+++ b/lib/floorl.c
@@ -1,46 +1,37 @@
-/* Emulation for floorl.
-   Contributed by Paolo Bonzini
+/* Round towards negative infinity.
+   Copyright (C) 2007, 2009-2013 Free Software Foundation, Inc.
 
-   Copyright 2002, 2003, 2007 Free Software Foundation, Inc.
-
-   This file is part of gnulib.
-
-   This program is free software; you can redistribute it and/or modify
+   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
-   the Free Software Foundation; either version 2, or (at your option)
-   any later version.
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
-   You should have received a copy of the GNU General Public License along
-   with this program; if not, write to the Free Software Foundation,
-   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
-#include <config.h>
+/* Written by Bruno Haible <bruno@clisp.org>, 2007.  */
 
-/* Specification.  */
-#include <math.h>
+#include <config.h>
 
-#include <float.h>
+#if HAVE_SAME_LONG_DOUBLE_AS_DOUBLE
 
-/* To compute the integer part of X, sum a big enough
-   integer so that the precision of the floating point
-   number is exactly 1.  */
+/* Specification.  */
+# include <math.h>
 
 long double
-floorl(long double x)
+floorl (long double x)
 {
-  long double y;
-  if (x < 0.0L)
-    y = -(1.0L / LDBL_EPSILON - x - 1.0 / LDBL_EPSILON);
-  else
-    y = 1.0L / LDBL_EPSILON + x - 1.0 / LDBL_EPSILON;
-
-  if (y > x)
-    return y - 1.0L;
-  else
-    return y;
+  return floor (x);
 }
+
+#else
+
+# define USE_LONG_DOUBLE
+# include "floor.c"
+
+#endif