public static void Multiplication3x3Test()
=> TrafoTesting.GenericMatrixMultiplicationTest <Affine3d, M33d, M34d>(
rnd => TrafoTesting.GetRandomAffine(rnd, false),
Affine.TransformPos,
Mat.Transform,
Mat.TransformPos,
(a, v) => (a * new V4d(v, 1)).XYZ,
(m, v) => m * v,
(m, v) => m * new V4d(v, 1));
public static void MultiplicationAffine3x4Test()
=> TrafoTesting.GenericTest(rnd =>
{
var a = TrafoTesting.GetRandomAffine(rnd);
var b = TrafoTesting.GetRandomAffine(rnd);
var ma = (M34d)a;
var mb = (M34d)b;
var a_x_b = a * b;
var ma_x_mb = Mat.MultiplyAffine(ma, mb);
TrafoTesting.AreEqual((M34d)a_x_b, ma_x_mb);
});
public static void InverseTest()
=> TrafoTesting.GenericTest(rnd =>
{
var a = TrafoTesting.GetRandomAffine(rnd);
var p = rnd.UniformV3d() * rnd.UniformInt(1000);
var q = a.TransformPos(p);
// Inverse property
var res = a.Inverse.TransformPos(q);
// Invert method
Affine.Invert(ref a);
var res2 = a.TransformPos(q);
TrafoTesting.AreEqual(p, res);
TrafoTesting.AreEqual(p, res2);
});
