3 basis[0 * 3 + 1] = (ss - 1.0) / 2.0;
4 basis[0 * 3 + 2] = 0.0;
6 basis[1 * 3 + 0] = (1.0 + rr) / 2.0;
7 basis[1 * 3 + 1] = 0.0;
8 basis[1 * 3 + 2] = 0.0;
10 basis[2 * 3 + 0] = 0.0;
11 basis[2 * 3 + 1] = (1.0 + ss) / 2.0;
12 basis[2 * 3 + 2] = 0.0;
14 basis[3 * 3 + 0] = (rr - 1.0) / 2.0;
15 basis[3 * 3 + 1] = 0.0;
16 basis[3 * 3 + 2] = 0.0;
18 basis[4 * 3 + 0] = 0.0;
19 basis[4 * 3 + 1] = 0.0;
20 basis[4 * 3 + 2] = (tt - 1.0) / 2.0;
22 basis[5 * 3 + 0] = 0.0;
23 basis[5 * 3 + 1] = 0.0;
24 basis[5 * 3 + 2] = (1.0 + tt) / 2.0;