X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Ffloorl.c;h=aa62294b921c99ba39bcb8f4de1067fe6cbee70e;hb=4662b82a3d9015359bb7a75bc95ecf2f57f841e1;hp=1e8583aa5811b92273022906896f3d87d0ea80fc;hpb=d0723a1652f9f002aa800cd618fd52717b980b18;p=gnulib.git
diff --git a/lib/floorl.c b/lib/floorl.c
index 1e8583aa5..aa62294b9 100644
--- a/lib/floorl.c
+++ b/lib/floorl.c
@@ -1,43 +1,37 @@
-/* Emulation for floorl.
- Contributed by Paolo Bonzini
+/* Round towards negative infinity.
+ Copyright (C) 2007, 2009-2011 Free Software Foundation, Inc.
- Copyright 2002, 2003 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see . */
+
+/* Written by Bruno Haible , 2007. */
-#include
+#include
-#include "mathl.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
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