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Abacus.Double.Tests.cs
301 lines (270 loc) · 15 KB
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Abacus.Double.Tests.cs
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// ┌────────────────────────────────────────────────────────────────────────┐ \\
// │ _____ ___. │ \\
// │ / _ \\_ |__ _____ ____ __ __ ______ │ \\
// │ / /_\ \| __ \\__ \ _/ ___\| | \/ ___/ │ \\
// │ / | \ \_\ \/ __ \\ \___| | /\___ \ │ \\
// │ \____|__ /___ (____ /\___ >____//____ > │ \\
// │ \/ \/ \/ \/ \/ v1.1.1 │ \\
// │ │ \\
// │ Fast, efficient, cross platform, cross precision, maths library. │ \\
// │ │ \\
// │ ________________________________________________________ │ \\
// │ / ____________________________________________________ \ │ \\
// │ | |<_> <_> <_> <_> <_> <_> <_> <_> <_> <_> <_> <_> <_> | | │ \\
// │ | |<_> <_> <_> <_> <_> <_> <_> <_> <_> <_> <_> <_> <_> | | │ \\
// │ | |_|___|___|___|___|___|___|___|___|___|___|___|___|__| | │ \\
// │ | ____________________________________________________ | │ \\
// │ | | | | | | | | | | | | | | | | | │ \\
// │ | |<_> <_> <_> <_> <_> <_> <_> <_> <_> <_> <_> <_> <_> | | │ \\
// │ | |<_> <_> <_> <_> <_> <_> <_> <_> <_> <_> <_> <_> <_> | | │ \\
// │ | |<_> <_> <_> <_> <_> <_> <_> <_> <_> <_> <_> <_> <_> | | │ \\
// │ | |<_> <_> <_> <_> <_> <_> <_> <_> <_> <_> <_> <_> <_> | | │ \\
// │ | |<_>_<_>_<_>_<_>_<_>_<_>_<_>_<_>_<_>_<_>_<_>_<_>_<_>_| | │ \\
// │ \________________________________________________________/ │ \\
// │ │ \\
// ├────────────────────────────────────────────────────────────────────────┤ \\
// │ Copyright © 2012 - 2022 Ash Pook │ \\
// ├────────────────────────────────────────────────────────────────────────┤ \\
// │ Permission is hereby granted, free of charge, to any person obtaining │ \\
// │ a copy of this software and associated documentation files (the │ \\
// │ "Software"), to deal in the Software without restriction, including │ \\
// │ without limitation the rights to use, copy, modify, merge, publish, │ \\
// │ distribute, sublicense, and/or sellcopies of the Software, and to │ \\
// │ permit persons to whom the Software is furnished to do so, subject to │ \\
// │ the following conditions: │ \\
// │ │ \\
// │ The above copyright notice and this permission notice shall be │ \\
// │ included in all copies or substantial portions of the Software. │ \\
// │ │ \\
// │ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, │ \\
// │ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF │ \\
// │ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. │ \\
// │ IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY │ \\
// │ CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, │ \\
// │ TORT OR OTHERWISE, ARISING FROM,OUT OF OR IN CONNECTION WITH THE │ \\
// │ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. │ \\
// └────────────────────────────────────────────────────────────────────────┘ \\
using System;
using System.Collections.Generic;
using NUnit.Framework;
namespace Abacus.DoublePrecision {
[TestFixture]
public class MathsTests {
public static readonly Double TestTolerance = 0.000001;
public static readonly Double PercentageTolerance = 0.0000001;
}
[TestFixture]
public class Vector2Tests {
static readonly Random rand = new Random(0);
static Double GetNextRandomDouble () {
Double randomValue = (Double) rand.NextDouble();
Double multiplier = 1000;
randomValue *= multiplier;
Boolean randomBoolean = (rand.Next(0, 1) == 0) ? true : false;
if (randomBoolean) randomValue = 0 - randomValue;
return randomValue;
}
static Vector2 GetNextRandomVector2 () {
Double a = GetNextRandomDouble();
Double b = GetNextRandomDouble();
return new Vector2(a, b);
}
static void AssertEqualWithinReason (Vector2 a, Vector2 b) {
Assert.That(a.X, Is.EqualTo(b.X).Within(MathsTests.TestTolerance));
Assert.That(a.Y, Is.EqualTo(b.Y).Within(MathsTests.TestTolerance));
}
[Test]
public void TestMemberFn_GetHashCode_i () {
var hs1 = new HashSet<Vector2>();
var hs2 = new HashSet<Int32>();
for(Int32 i = 0; i < 10000; ++i) {
var a = GetNextRandomVector2();
hs1.Add(a);
hs2.Add(a.GetHashCode());
}
Assert.That(hs1.Count, Is.EqualTo(hs2.Count).Within(10));
}
}
[TestFixture]
public class Vector3Tests {
static readonly Random rand = new Random(0);
static Double GetNextRandomDouble () {
Double randomValue = (Double) rand.NextDouble();
Double multiplier = 1000;
randomValue *= multiplier;
Boolean randomBoolean = (rand.Next(0, 1) == 0) ? true : false;
if (randomBoolean) randomValue = 0 - randomValue;
return randomValue;
}
static Vector3 GetNextRandomVector3 () {
Double a = GetNextRandomDouble();
Double b = GetNextRandomDouble();
Double c = GetNextRandomDouble();
return new Vector3(a, b, c);
}
static void AssertEqualWithinReason (Vector3 a, Vector3 b) {
Assert.That(a.X, Is.EqualTo(b.X).Within(MathsTests.TestTolerance));
Assert.That(a.Y, Is.EqualTo(b.Y).Within(MathsTests.TestTolerance));
Assert.That(a.Z, Is.EqualTo(b.Z).Within(MathsTests.TestTolerance));
}
[Test]
public void Test_GetHashCode () {
var hs1 = new HashSet<Vector3>();
var hs2 = new HashSet<Int32>();
for(Int32 i = 0; i < 10000; ++i) {
var a = GetNextRandomVector3();
hs1.Add(a);
hs2.Add(a.GetHashCode());
}
Assert.That(hs1.Count, Is.EqualTo(hs2.Count).Within(10));
}
}
[TestFixture]
public class Vector4Tests {
static readonly Random rand = new Random(0);
static Double GetNextRandomDouble () {
Double randomValue = (Double) rand.NextDouble();
Double multiplier = 1000;
randomValue *= multiplier;
Boolean randomBoolean = (rand.Next(0, 1) == 0) ? true : false;
if (randomBoolean) randomValue = 0 - randomValue;
return randomValue;
}
static Vector4 GetNextRandomVector4 () {
Double a = GetNextRandomDouble();
Double b = GetNextRandomDouble();
Double c = GetNextRandomDouble();
Double d = GetNextRandomDouble();
return new Vector4(a, b, c, d);
}
static void AssertEqualWithinReason (Vector4 a, Vector4 b) {
Assert.That(a.X, Is.EqualTo(b.X).Within(MathsTests.TestTolerance));
Assert.That(a.Y, Is.EqualTo(b.Y).Within(MathsTests.TestTolerance));
Assert.That(a.Z, Is.EqualTo(b.Z).Within(MathsTests.TestTolerance));
Assert.That(a.W, Is.EqualTo(b.W).Within(MathsTests.TestTolerance));
}
[Test]
public void Test_GetHashCode () {
var hs1 = new HashSet<Vector4>();
var hs2 = new HashSet<Int32>();
for(Int32 i = 0; i < 10000; ++i) {
var a = GetNextRandomVector4();
hs1.Add(a);
hs2.Add(a.GetHashCode());
}
Assert.That(hs1.Count, Is.EqualTo(hs2.Count).Within(10));
}
}
[TestFixture]
public class QuaternionTests {
static readonly Random rand = new Random(0);
static Double GetNextRandomDouble () {
Double randomValue = (Double) rand.NextDouble();
Double multiplier = 1000;
randomValue *= multiplier;
Boolean randomBoolean = (rand.Next(0, 1) == 0) ? true : false;
if (randomBoolean) randomValue = 0 - randomValue;
return randomValue;
}
internal static Quaternion GetNextRandomQuaternion () {
Double yaw = Maths.Pi * (Double) rand.Next(0, 360) / (Double) 180;
Double pitch = Maths.Pi * (Double) rand.Next(0, 360) / (Double) 180;
Double roll = Maths.Pi * (Double) rand.Next(0, 360) / (Double) 180;
Quaternion q; Quaternion.CreateFromYawPitchRoll(ref yaw, ref pitch, ref roll, out q);
return q;
}
internal static void AssertEqualWithinReason (Quaternion a, Quaternion b) {
Assert.That(a.I, Is.EqualTo(b.I).Within(MathsTests.TestTolerance));
Assert.That(a.J, Is.EqualTo(b.J).Within(MathsTests.TestTolerance));
Assert.That(a.K, Is.EqualTo(b.K).Within(MathsTests.TestTolerance));
Assert.That(a.U, Is.EqualTo(b.U).Within(MathsTests.TestTolerance));
}
internal static void AssertEqualOrNegatedWithinReason (Quaternion a, Quaternion b) {
Boolean pass1 =
Maths.Abs (a.I - b.I) <= MathsTests.TestTolerance &&
Maths.Abs (a.J - b.J) <= MathsTests.TestTolerance &&
Maths.Abs (a.K - b.K) <= MathsTests.TestTolerance &&
Maths.Abs (a.U - b.U) <= MathsTests.TestTolerance;
Quaternion c;
Quaternion.Negate (ref b, out c);
Boolean pass2 =
Maths.Abs (a.I - c.I) <= MathsTests.TestTolerance &&
Maths.Abs (a.J - c.J) <= MathsTests.TestTolerance &&
Maths.Abs (a.K - c.K) <= MathsTests.TestTolerance &&
Maths.Abs (a.U - c.U) <= MathsTests.TestTolerance;
Assert.That(pass1 || pass2, Is.EqualTo (true));
}
[Test]
public void TestMemberFn_GetHashCode () {
var hs1 = new HashSet<Quaternion>();
var hs2 = new HashSet<Int32>();
for(Int32 i = 0; i < 10000; ++i) {
var a = GetNextRandomQuaternion();
hs1.Add(a);
hs2.Add(a.GetHashCode());
}
Assert.That(hs1.Count, Is.EqualTo(hs2.Count).Within(10));
}
}
[TestFixture]
public class Matrix44Tests {
static readonly Random rand = new Random(0);
static Double GetNextRandomDouble () {
Double randomValue = (Double) rand.NextDouble();
Double zero = 0;
Double multiplier = 1000;
randomValue *= multiplier;
Boolean randomBoolean = (rand.Next(0, 1) == 0) ? true : false;
if (randomBoolean) randomValue = zero - randomValue;
return randomValue;
}
internal static Matrix44 GetNextRandomMatrix44 () {
Double a = GetNextRandomDouble();
Double b = GetNextRandomDouble();
Double c = GetNextRandomDouble();
Double d = GetNextRandomDouble();
Double e = GetNextRandomDouble();
Double f = GetNextRandomDouble();
Double g = GetNextRandomDouble();
Double h = GetNextRandomDouble();
Double i = GetNextRandomDouble();
Double j = GetNextRandomDouble();
Double k = GetNextRandomDouble();
Double l = GetNextRandomDouble();
Double m = GetNextRandomDouble();
Double n = GetNextRandomDouble();
Double o = GetNextRandomDouble();
Double p = GetNextRandomDouble();
return new Matrix44(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p);
}
internal static void AssertEqualWithinReason (Matrix44 a, Matrix44 b) {
Assert.That(a.R0C0, Is.EqualTo(b.R0C0).Within(MathsTests.TestTolerance));
Assert.That(a.R0C1, Is.EqualTo(b.R0C1).Within(MathsTests.TestTolerance));
Assert.That(a.R0C2, Is.EqualTo(b.R0C2).Within(MathsTests.TestTolerance));
Assert.That(a.R0C3, Is.EqualTo(b.R0C3).Within(MathsTests.TestTolerance));
Assert.That(a.R1C0, Is.EqualTo(b.R1C0).Within(MathsTests.TestTolerance));
Assert.That(a.R1C1, Is.EqualTo(b.R1C1).Within(MathsTests.TestTolerance));
Assert.That(a.R1C2, Is.EqualTo(b.R1C2).Within(MathsTests.TestTolerance));
Assert.That(a.R1C3, Is.EqualTo(b.R1C3).Within(MathsTests.TestTolerance));
Assert.That(a.R2C0, Is.EqualTo(b.R2C0).Within(MathsTests.TestTolerance));
Assert.That(a.R2C1, Is.EqualTo(b.R2C1).Within(MathsTests.TestTolerance));
Assert.That(a.R2C2, Is.EqualTo(b.R2C2).Within(MathsTests.TestTolerance));
Assert.That(a.R2C3, Is.EqualTo(b.R2C3).Within(MathsTests.TestTolerance));
Assert.That(a.R3C0, Is.EqualTo(b.R3C0).Within(MathsTests.TestTolerance));
Assert.That(a.R3C1, Is.EqualTo(b.R3C1).Within(MathsTests.TestTolerance));
Assert.That(a.R3C2, Is.EqualTo(b.R3C2).Within(MathsTests.TestTolerance));
Assert.That(a.R3C3, Is.EqualTo(b.R3C3).Within(MathsTests.TestTolerance));
}
[Test]
public void TestMemberFn_GetHashCode () {
var hs1 = new HashSet<Matrix44>();
var hs2 = new HashSet<Int32>();
for(Int32 i = 0; i < 10000; ++i) {
var a = GetNextRandomMatrix44 ();
hs1.Add(a);
hs2.Add(a.GetHashCode ());
}
Assert.That(hs1.Count, Is.EqualTo(hs2.Count).Within(10));
}
}
}