/* Test of rounding towards negative infinity.
- Copyright (C) 2007-2010 Free Software Foundation, Inc.
+ Copyright (C) 2007-2013 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
#include "isnanf-nolibm.h"
#include "macros.h"
+/* 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
+
/* The reference implementation, taken from lib/floor.c. */
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. */
- 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;