makeHexahedron          Make hexahedron
plotHexahedron          Plot hexahedron
rphong_on_hemisphere    Sampling on hemisphere
runif_cube              Uniform sampling on/in cube
runif_ellipsoid         Uniform sampling on/in ellipsoid
runif_in_annulus        Uniform sampling in an annulus
runif_in_hexahedron     Uniform sampling in a hexahedron
runif_in_pball          Uniform sampling in a p-ball
runif_in_polygon        Uniform sampling in a polygon
runif_in_simplex        Uniform sampling in a simplex
runif_in_tetrahedron    Uniform sampling in a tetrahedron
runif_on_spherePatch    Uniform sampling on a spherical patch
runif_on_sphericalCap   Uniform sampling on a spherical cap
runif_on_stri           Uniform sampling on a spherical triangle
runif_sphere            Uniform sampling on/in sphere
runif_torus             Uniform sampling on/in torus
runif_triangle          Uniform sampling on/in a triangle
runif_unitSimplex       Uniform sampling on/in a unit simplex
surface_sphere          Sphere surface
surface_spherePatch     Sphere patch surface
surface_sphericalCap    Spherical cap surface
surface_stri            Spherical triangle surface
surface_torus           Torus surface
surface_triangle        Triangle surface
volume_ellipsoid        Ellipsoid volume
volume_hexahedron       Hexahedron volume
volume_pball            p-ball volume
volume_simplex          Simplex volume
volume_sphere           Sphere volume
volume_sphericalCap     Spherical cap volume
volume_tetrahedron      Tetrahedron volume
volume_torus            Torus volume
volume_unitSimplex      Unit simplex volume
