3 basis[0 * 3 + 1] = 0.5 * (ss - 1.0);
4 basis[0 * 3 + 2] = 0.0;
6 basis[1 * 3 + 0] = 0.5 * (1.0 + rr);
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] = 0.5 * (1.0 + ss);
12 basis[2 * 3 + 2] = 0.0;
14 basis[3 * 3 + 0] = 0.5 * (rr - 1.0);
15 basis[3 * 3 + 1] = 0.0;
16 basis[3 * 3 + 2] = 0.0;