/* Compute the rotation matrix m from the 4d rotation angles. */
static void rotateall4d(float ze, float et, float th, float m[4][4])
{
int i, j;
for (i=0; i<4; i++)
for (j=0; j<4; j++)
m[i][j] = (i==j);
rotatexy(m,ze);
rotatexz(m,et);
rotateyz(m,th);
}
/* Compute the rotation matrix m from the rotation angles. */
static void rotateall(float al, float be, float de, float ze, float et,
float th, float m[4][4])
{
int i, j;
for (i=0; i<4; i++)
for (j=0; j<4; j++)
m[i][j] = (i==j);
rotatewx(m,al);
rotatewy(m,be);
rotatewz(m,de);
rotatexz(m,et);
rotatexy(m,ze);
rotateyz(m,th);
}