public static void Scale(ref Matrix2x2Wide m, ref Vector <float> scale, out Matrix2x2Wide result)
{
result.X.X = m.X.X * scale;
result.X.Y = m.X.Y * scale;
result.Y.X = m.Y.X * scale;
result.Y.Y = m.Y.Y * scale;
}
public static void MultiplyByTransposeWithoutOverlap(ref Matrix2x2Wide a, ref Matrix2x2Wide b, out Matrix2x2Wide result)
{
result.X.X = a.X.X * b.X.X + a.X.Y * b.X.Y;
result.X.Y = a.X.X * b.Y.X + a.X.Y * b.Y.Y;
result.Y.X = a.Y.X * b.X.X + a.Y.Y * b.X.Y;
result.Y.Y = a.Y.X * b.Y.X + a.Y.Y * b.Y.Y;
}
public static void MultiplyWithoutOverlap(ref Matrix2x2Wide a, ref Matrix2x3Wide b, out Matrix2x3Wide result)
{
result.X.X = a.X.X * b.X.X + a.X.Y * b.Y.X;
result.X.Y = a.X.X * b.X.Y + a.X.Y * b.Y.Y;
result.X.Z = a.X.X * b.X.Z + a.X.Y * b.Y.Z;
result.Y.X = a.Y.X * b.X.X + a.Y.Y * b.Y.X;
result.Y.Y = a.Y.X * b.X.Y + a.Y.Y * b.Y.Y;
result.Y.Z = a.Y.X * b.X.Z + a.Y.Y * b.Y.Z;
}
public static void InvertWithoutOverlap(ref Matrix2x2Wide m, out Matrix2x2Wide inverse)
{
var determinantInverse = Vector <float> .One / (m.X.X * m.Y.Y - m.X.Y * m.Y.X);
inverse.X.X = m.Y.Y * determinantInverse;
inverse.X.Y = -m.X.Y * determinantInverse;
inverse.Y.X = -m.Y.X * determinantInverse;
inverse.Y.Y = m.X.X * determinantInverse;
}
public static void Subtract(ref Matrix2x2Wide a, ref Matrix2x2Wide b, out Matrix2x2Wide result)
{
Vector2Wide.Subtract(ref a.X, ref b.X, out result.X);
Vector2Wide.Subtract(ref a.Y, ref b.Y, out result.Y);
}
public static void Transform(ref Vector2Wide v, ref Matrix2x2Wide m, out Vector2Wide result)
{
TransformWithoutOverlap(ref v, ref m, out var temp);
result = temp;
}
public static void TransformWithoutOverlap(ref Vector2Wide v, ref Matrix2x2Wide m, out Vector2Wide result)
{
result.X = v.X * m.X.X + v.Y * m.Y.X;
result.Y = v.X * m.X.Y + v.Y * m.Y.Y;
}
