mirror of https://github.com/SixLabors/ImageSharp
7 changed files with 14 additions and 135 deletions
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// Copyright (c) Six Labors and contributors.
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// Licensed under the Apache License, Version 2.0.
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using System; |
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using Xunit; |
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namespace SixLabors.ImageSharp.Tests.Helpers |
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{ |
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public class MathFTests |
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{ |
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[Fact] |
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public void MathF_PI_Is_Equal() |
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{ |
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Assert.Equal(MathF.PI, (float)Math.PI); |
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} |
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[Fact] |
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public void MathF_Ceililng_Is_Equal() |
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{ |
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Assert.Equal(MathF.Ceiling(0.3333F), (float)Math.Ceiling(0.3333F)); |
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} |
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[Fact] |
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public void MathF_Cos_Is_Equal() |
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{ |
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Assert.Equal(MathF.Cos(0.3333F), (float)Math.Cos(0.3333F)); |
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} |
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[Fact] |
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public void MathF_Abs_Is_Equal() |
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{ |
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Assert.Equal(MathF.Abs(-0.3333F), (float)Math.Abs(-0.3333F)); |
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} |
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[Fact] |
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public void MathF_Atan2_Is_Equal() |
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{ |
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Assert.Equal(MathF.Atan2(1.2345F, 1.2345F), (float)Math.Atan2(1.2345F, 1.2345F)); |
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} |
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[Fact] |
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public void MathF_Exp_Is_Equal() |
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{ |
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Assert.Equal(MathF.Exp(1.2345F), (float)Math.Exp(1.2345F)); |
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} |
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[Fact] |
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public void MathF_Floor_Is_Equal() |
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{ |
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Assert.Equal(MathF.Floor(1.2345F), (float)Math.Floor(1.2345F)); |
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} |
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[Fact] |
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public void MathF_Min_Is_Equal() |
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{ |
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Assert.Equal(MathF.Min(1.2345F, 5.4321F), (float)Math.Min(1.2345F, 5.4321F)); |
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} |
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[Fact] |
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public void MathF_Max_Is_Equal() |
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{ |
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Assert.Equal(MathF.Max(1.2345F, 5.4321F), (float)Math.Max(1.2345F, 5.4321F)); |
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} |
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[Fact] |
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public void MathF_Pow_Is_Equal() |
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{ |
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Assert.Equal(MathF.Pow(1.2345F, 5.4321F), (float)Math.Pow(1.2345F, 5.4321F)); |
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} |
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[Fact] |
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public void MathF_Round_Is_Equal() |
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{ |
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Assert.Equal(MathF.Round(1.2345F), (float)Math.Round(1.2345F)); |
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} |
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[Fact] |
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public void MathF_Round_With_Midpoint_Is_Equal() |
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{ |
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Assert.Equal(MathF.Round(1.2345F, MidpointRounding.AwayFromZero), (float)Math.Round(1.2345F, MidpointRounding.AwayFromZero)); |
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} |
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[Fact] |
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public void MathF_Sin_Is_Equal() |
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{ |
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Assert.Equal(MathF.Sin(1.2345F), (float)Math.Sin(1.2345F)); |
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} |
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[Fact] |
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public void MathF_SinC_Is_Equal() |
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{ |
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float f = 1.2345F; |
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float expected = 1F; |
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if (Math.Abs(f) > Constants.Epsilon) |
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{ |
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f *= (float)Math.PI; |
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float sinC = (float)Math.Sin(f) / f; |
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expected = Math.Abs(sinC) < Constants.Epsilon ? 0F : sinC; |
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} |
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Assert.Equal(MathF.SinC(1.2345F), expected); |
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} |
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[Fact] |
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public void MathF_Sqrt_Is_Equal() |
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{ |
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Assert.Equal(MathF.Sqrt(2F), (float)Math.Sqrt(2F)); |
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} |
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[Fact] |
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public void Convert_Degree_To_Radian() |
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{ |
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Assert.Equal((float)(Math.PI / 2D), MathF.DegreeToRadian(90F), new FloatRoundingComparer(6)); |
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} |
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[Fact] |
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public void Convert_Radian_To_Degree() |
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{ |
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Assert.Equal(60F, MathF.RadianToDegree((float)(Math.PI / 3D)), new FloatRoundingComparer(5)); |
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} |
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} |
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} |
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