public void ScalePrepend()
{
var m = Matrix.Identity;
m.ScalePrepend (5, 6);
CheckMatrix (new Matrix (5, 0, 0, 6, 0, 0), m);
m = new Matrix (1, 2, 2, 1, 3, 3);
m.ScalePrepend (5, 5);
CheckMatrix (new Matrix (5, 10, 10, 5, 3, 3), m);
}
