mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2024-11-14 21:37:52 -07:00
86018b503b
Keeps all of the floating-point utility functions in their own file to keep them all together. This also provides a place for other general-purpose floating-point functions to be added in the future, which will be necessary when improving the flag-setting within the interpreter.
33 lines
767 B
C++
33 lines
767 B
C++
// Copyright 2014 Dolphin Emulator Project
|
|
// Licensed under GPLv2+
|
|
// Refer to the license.txt file included.
|
|
|
|
#include <gtest/gtest.h>
|
|
|
|
#include "Common/MathUtil.h"
|
|
|
|
TEST(MathUtil, Clamp)
|
|
{
|
|
EXPECT_EQ(1, MathUtil::Clamp(1, 0, 2));
|
|
EXPECT_EQ(1.0, MathUtil::Clamp(1.0, 0.0, 2.0));
|
|
|
|
EXPECT_EQ(2, MathUtil::Clamp(4, 0, 2));
|
|
EXPECT_EQ(2.0, MathUtil::Clamp(4.0, 0.0, 2.0));
|
|
|
|
EXPECT_EQ(0, MathUtil::Clamp(-1, 0, 2));
|
|
EXPECT_EQ(0.0, MathUtil::Clamp(-1.0, 0.0, 2.0));
|
|
}
|
|
|
|
TEST(MathUtil, IntLog2)
|
|
{
|
|
EXPECT_EQ(0, IntLog2(1));
|
|
EXPECT_EQ(1, IntLog2(2));
|
|
EXPECT_EQ(2, IntLog2(4));
|
|
EXPECT_EQ(3, IntLog2(8));
|
|
EXPECT_EQ(63, IntLog2(0x8000000000000000ull));
|
|
|
|
// Rounding behavior.
|
|
EXPECT_EQ(3, IntLog2(15));
|
|
EXPECT_EQ(63, IntLog2(0xFFFFFFFFFFFFFFFFull));
|
|
}
|