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FloatUtils: Remove IntDouble and IntFloat

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Type punning via unions in C++ invokes undefined behavior. Instead, leverage BitCast,
our variant of C++2a's std::bit_cast
This commit is contained in:
Lioncash
2018-05-10 10:35:00 -04:00
parent bde4e970f1
commit 0a3631cc76
3 changed files with 32 additions and 46 deletions
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13
Source/UnitTests/VideoCommon/VertexLoaderTest.cpp
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@ -10,8 +10,8 @@
#include <gtest/gtest.h> // NOLINT
#include "Common/BitUtils.h"
#include "Common/Common.h"
#include "Common/FloatUtils.h"
#include "VideoCommon/CPMemory.h"
#include "VideoCommon/DataReader.h"
#include "VideoCommon/OpcodeDecoding.h"
@ -72,14 +72,15 @@ protected:
m_src.Write<T, true>(val);
}
void ExpectOut(float val)
void ExpectOut(float expected)
{
// Read unswapped.
Common::IntFloat expected(val), actual(m_dst.Read<float, false>());
if (!actual.f || actual.f != actual.f)
EXPECT_EQ(expected.i, actual.i);
const float actual = m_dst.Read<float, false>();
if (!actual || actual != actual)
EXPECT_EQ(Common::BitCast<u32>(expected), Common::BitCast<u32>(actual));
else
EXPECT_EQ(expected.f, actual.f);
EXPECT_EQ(expected, actual);
}
void RunVertices(int count, int expected_count = -1)