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fstatat.c: fix a compile-impeding typo
[gnulib.git]
/
tests
/
test-floorf2.c
diff --git
a/tests/test-floorf2.c
b/tests/test-floorf2.c
index
b26a508
..
beaf70b
100644
(file)
--- a/
tests/test-floorf2.c
+++ b/
tests/test-floorf2.c
@@
-1,5
+1,5
@@
/* Test of rounding towards negative infinity.
/* Test of rounding towards negative infinity.
- Copyright (C) 2007-201
0
Free Software Foundation, Inc.
+ Copyright (C) 2007-201
2
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
@@
-31,6
+31,12
@@
#include "isnanf-nolibm.h"
#include "macros.h"
#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. */
/* The reference implementation, taken from lib/floor.c. */
@@
-63,8
+69,12
@@
floorf_reference (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;
@@
-76,6
+86,9
@@
floorf_reference (DOUBLE x)
}
else if (z < L_(0.0))
{
}
else if (z < L_(0.0))
{
+ /* Work around ICC's desire to optimize denormal floats to 0. */
+ if (z > -FLT_MIN)
+ return L_(-1.0);
/* Avoid rounding errors for values near -2^k, where k >= MANT_DIG-1. */
if (z > - TWO_MANT_DIG)
{
/* Avoid rounding errors for values near -2^k, where k >= MANT_DIG-1. */
if (z > - TWO_MANT_DIG)
{