/// <summary>
/// This isn't quite a multiply, but the result may be useful in some situations.
/// Multiplies two instances.
/// </summary>
/// <param name="left">The left operand of the multiplication.</param>
/// <param name="right">The right operand of the multiplication.</param>
/// <param name="result">A new instance that is the result of the multiplication</param>
public static void Mult(ref Matrix4x3d left, ref Matrix3x4d right, out Matrix4d result)
{
double lM11 = left.Row0.X, lM12 = left.Row0.Y, lM13 = left.Row0.Z,
lM21 = left.Row1.X, lM22 = left.Row1.Y, lM23 = left.Row1.Z,
lM31 = left.Row2.X, lM32 = left.Row2.Y, lM33 = left.Row2.Z,
lM41 = left.Row3.X, lM42 = left.Row3.Y, lM43 = left.Row3.Z,
rM11 = right.Row0.X, rM12 = right.Row0.Y, rM13 = right.Row0.Z, rM14 = right.Row0.W,
rM21 = right.Row1.X, rM22 = right.Row1.Y, rM23 = right.Row1.Z, rM24 = right.Row1.W,
rM31 = right.Row2.X, rM32 = right.Row2.Y, rM33 = right.Row2.Z, rM34 = right.Row2.W;
result.Row0.X = (lM11 * rM11) + (lM12 * rM21) + (lM13 * rM31);
result.Row0.Y = (lM11 * rM12) + (lM12 * rM22) + (lM13 * rM32);
result.Row0.Z = (lM11 * rM13) + (lM12 * rM23) + (lM13 * rM33);
result.Row0.W = (lM11 * rM14) + (lM12 * rM24) + (lM13 * rM34);
result.Row1.X = (lM21 * rM11) + (lM22 * rM21) + (lM23 * rM31);
result.Row1.Y = (lM21 * rM12) + (lM22 * rM22) + (lM23 * rM32);
result.Row1.Z = (lM21 * rM13) + (lM22 * rM23) + (lM23 * rM33);
result.Row1.W = (lM21 * rM14) + (lM22 * rM24) + (lM23 * rM34);
result.Row2.X = (lM31 * rM11) + (lM32 * rM21) + (lM33 * rM31);
result.Row2.Y = (lM31 * rM12) + (lM32 * rM22) + (lM33 * rM32);
result.Row2.Z = (lM31 * rM13) + (lM32 * rM23) + (lM33 * rM33);
result.Row2.W = (lM31 * rM14) + (lM32 * rM24) + (lM33 * rM34);
result.Row3.X = (lM41 * rM11) + (lM42 * rM21) + (lM43 * rM31);
result.Row3.Y = (lM41 * rM12) + (lM42 * rM22) + (lM43 * rM32);
result.Row3.Z = (lM41 * rM13) + (lM42 * rM23) + (lM43 * rM33);
result.Row3.W = (lM41 * rM14) + (lM42 * rM24) + (lM43 * rM34);
}
/// <summary>
/// This isn't quite a multiply, but the result may be useful in some situations.
/// Multiplies two instances.
/// </summary>
/// <param name="left">The left operand of the multiplication.</param>
/// <param name="right">The right operand of the multiplication.</param>
/// <returns>A new instance that is the result of the multiplication</returns>
public static Matrix4d Mult(Matrix4x3d left, Matrix3x4d right)
{
Matrix4d result;
Mult(ref left, ref right, out result);
return(result);
}
/// <summary>
/// Calculate the transpose of the given matrix
/// </summary>
/// <param name="mat">The matrix to transpose</param>
/// <param name="result">The result of the calculation</param>
public static void Transpose(ref Matrix4x3d mat, out Matrix3x4d result)
{
result.Row0 = mat.Column0;
result.Row1 = mat.Column1;
result.Row2 = mat.Column2;
}