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install-reloc: Support multi-binary installation.
[gnulib.git]
/
lib
/
floor.c
diff --git
a/lib/floor.c
b/lib/floor.c
index
1e6fd00
..
cf29b19
100644
(file)
--- a/
lib/floor.c
+++ b/
lib/floor.c
@@
-1,5
+1,5
@@
/* Round towards negative infinity.
/* Round towards negative infinity.
- Copyright (C) 2007, 20
09
Free Software Foundation, Inc.
+ Copyright (C) 2007, 20
10-2013
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
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
@@
-16,7
+16,9
@@
/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
-#include <config.h>
+#if ! defined USE_LONG_DOUBLE
+# include <config.h>
+#endif
/* Specification. */
#include <math.h>
/* Specification. */
#include <math.h>
@@
-40,6
+42,12
@@
# define L_(literal) literal##f
#endif
# define L_(literal) literal##f
#endif
+/* MSVC with option -fp:strict refuses to compile constant initializers that
+ contain floating-point operations. Pacify this compiler. */
+#ifdef _MSC_VER
+# pragma fenv_access (off)
+#endif
+
/* 2^(MANT_DIG-1). */
static const DOUBLE TWO_MANT_DIG =
/* Assume MANT_DIG <= 5 * 31.
/* 2^(MANT_DIG-1). */
static const DOUBLE TWO_MANT_DIG =
/* Assume MANT_DIG <= 5 * 31.
@@
-65,8
+73,12
@@
FUNC (DOUBLE x)
if (z > L_(0.0))
{
if (z > L_(0.0))
{
+ /* For 0 < x < 1, return +0.0 even if the current rounding mode is
+ FE_DOWNWARD. */
+ if (z < L_(1.0))
+ z = L_(0.0);
/* Avoid rounding errors for values near 2^k, where k >= MANT_DIG-1. */
/* Avoid rounding errors for values near 2^k, where k >= MANT_DIG-1. */
- if (z < TWO_MANT_DIG)
+
else
if (z < TWO_MANT_DIG)
{
/* Round to the next integer (nearest or up or down, doesn't matter). */
z += TWO_MANT_DIG;
{
/* Round to the next integer (nearest or up or down, doesn't matter). */
z += TWO_MANT_DIG;