void gleToroid (gleDouble rToroid,
                gleDouble up[3],
                gleDouble startRadius,
                gleDouble drdTheta,
                gleDouble startZ,
                gleDouble dzdTheta,
                gleDouble startXform[2][3],
                gleDouble dXformdTheta[2][3],
                gleDouble startTheta,
                gleDouble sweepTheta);
 
Generalized Torus. Similar to gleLathe, except contour is a circle. Uses gleLathe to draw.