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feat(numeric): add basic and floating point manipulation functions and the corresponding testing

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Redstone1024
2024-11-27 19:03:54 +08:00
parent 84a41387ae
commit f5c47fe677
5 changed files with 332 additions and 1 deletions
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49
Redcraft.Utility/Source/Private/Testing/NumericTesting.cpp
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@ -13,6 +13,7 @@ void TestNumeric()
{
TestLiteral();
TestBit();
TestMath();
}
void TestLiteral()
@ -120,6 +121,54 @@ void TestBit()
always_check(Math::RotateRight(0b00011101u8, -1) == 0b00111010u8);
}
void TestMath()
{
always_check(Math::Abs(-1) == 1);
always_check(Math::Abs( 0) == 0);
always_check(Math::Abs( 1) == 1);
always_check(Math::Sign(-4) == -1);
always_check(Math::Sign( 0) == 0);
always_check(Math::Sign( 4) == 1);
always_check(Math::Min(1, 2, 3, 4, 5) == 1);
always_check(Math::Min(5, 4, 3, 2, 1) == 1);
always_check(Math::Max(1, 2, 3, 4, 5) == 5);
always_check(Math::Max(5, 4, 3, 2, 1) == 5);
always_check(Math::IsNearlyEqual(4.0, 4.0));
always_check(Math::IsNearlyZero(0.0));
always_check(Math::IsInfinity( TNumericLimits<float32>::Infinity()));
always_check(Math::IsInfinity(-TNumericLimits<float32>::Infinity()));
always_check(Math::IsNaN( TNumericLimits<float32>::QuietNaN()));
always_check(Math::IsNaN(-TNumericLimits<float32>::QuietNaN()));
always_check(Math::IsNaN( TNumericLimits<float32>::SignalingNaN()));
always_check(Math::IsNaN(-TNumericLimits<float32>::SignalingNaN()));
always_check(Math::IsNaN(Math::NaN<float32>(4u)));
always_check(Math::IsNormal(1.0e4));
always_check(Math::IsNormal(1.0e8));
always_check(!Math::IsNegative(+1.0));
always_check(!Math::IsNegative(+0.0));
always_check( Math::IsNegative(-0.0));
always_check( Math::IsNegative(-1.0));
always_check(Math::Exponent(1.0) == 0);
always_check(Math::Exponent(2.0) == 1);
always_check(Math::Exponent(4.0) == 2);
always_check(Math::NaNPayload(Math::NaN<float32>(4u)) == 4u);
enum class ETest : uint16 { A = 65535 };
always_check(Math::NaNPayload<ETest>(Math::NaN<float32>(ETest::A)) == ETest::A);
}
NAMESPACE_END(Testing)
NAMESPACE_MODULE_END(Utility)