public void RotateAtPrepend()
{
var m = new Matrix (1, 2, 3, 4, 5, 6);
m.RotateAtPrepend (33, 5, 5);
CheckMatrix (new Matrix (2.47258767299051,
3.85589727595096,
1.97137266882125,
2.26540420175164,
2.78019829094125,
5.39349261148701), m);
}
