X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Ffloorl.c;h=54ffb679ca2c14ad2cdabcab3ea1027389dda178;hb=43593319b31e6b0175b8eec4433bac744959822d;hp=39be0bbd6a2cf701ac237a4c6c1daa04d92728de;hpb=267a39bafd249d7eb9c37df06dc6defcf41cb343;p=gnulib.git
diff --git a/lib/floorl.c b/lib/floorl.c
index 39be0bbd6..54ffb679c 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, 2009-2013 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., 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 . */
+
+/* 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