public void ToVector4_IsRgba32Compatible(byte luminance)
{
var original = new La16(luminance, luminance);
Rgba32 rgba = default;
original.ToRgba32(ref rgba);
var la16Vector = original.ToVector4();
var rgbaVector = original.ToVector4();
Assert.Equal(la16Vector, rgbaVector, new ApproximateFloatComparer(1e-5f));
}
public void FromVector4_IsRgba32Compatible(byte luminance)
{
var original = new La16(luminance, luminance);
Rgba32 rgba = default;
original.ToRgba32(ref rgba);
var rgbaVector = original.ToVector4();
La16 mirror = default;
mirror.FromVector4(rgbaVector);
Assert.Equal(original, mirror);
}
public void La16_ToVector4(byte input)
{
// Arrange
var gray = new La16(input, input);
// Act
var actual = gray.ToVector4();
// Assert
float scaledInput = input / 255F;
Assert.Equal(scaledInput, actual.X);
Assert.Equal(scaledInput, actual.Y);
Assert.Equal(scaledInput, actual.Z);
Assert.Equal(scaledInput, actual.W);
}