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MathUtil: fix IsQNAN()

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The constants were one nibble too short and the lower 51 bits don't
actually have to be zero.
This commit is contained in:
Tillmann Karras 2014-03-09 19:34:58 +01:00
parent d71aef8843
commit 9ef64245fa
3 changed files with 41 additions and 24 deletions
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17
Source/UnitTests/Common/MathUtilTest.cpp
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@ -2,8 +2,8 @@
// Licensed under GPLv2
// Refer to the license.txt file included.
#include <cmath>
#include <gtest/gtest.h>
#include <limits>
#include "Common/MathUtil.h"
@ -27,19 +27,28 @@ TEST(MathUtil, Clamp)
EXPECT_EQ(0.0, ClampAndReturn(-1.0, 0.0, 2.0));
}
TEST(MathUtil, IsINF)
{
EXPECT_TRUE(MathUtil::IsINF( std::numeric_limits<double>::infinity()));
EXPECT_TRUE(MathUtil::IsINF(-std::numeric_limits<double>::infinity()));
}
TEST(MathUtil, IsNAN)
{
EXPECT_TRUE(MathUtil::IsNAN(nan("")));
EXPECT_TRUE(MathUtil::IsNAN(std::numeric_limits<double>::quiet_NaN()));
EXPECT_TRUE(MathUtil::IsNAN(std::numeric_limits<double>::signaling_NaN()));
}
TEST(MathUtil, IsQNAN)
{
// TODO
EXPECT_TRUE(MathUtil::IsQNAN(std::numeric_limits<double>::quiet_NaN()));
EXPECT_FALSE(MathUtil::IsQNAN(std::numeric_limits<double>::signaling_NaN()));
}
TEST(MathUtil, IsSNAN)
{
// TODO
EXPECT_FALSE(MathUtil::IsSNAN(std::numeric_limits<double>::quiet_NaN()));
EXPECT_TRUE(MathUtil::IsSNAN(std::numeric_limits<double>::signaling_NaN()));
}
TEST(MathUtil, Log2)