SCM_API SCM scm_random_uniform (SCM state);
SCM_API SCM scm_random_solid_sphere_x (SCM v, SCM state);
SCM_API SCM scm_random_hollow_sphere_x (SCM v, SCM state);
SCM_API SCM scm_random_uniform (SCM state);
SCM_API SCM scm_random_solid_sphere_x (SCM v, SCM state);
SCM_API SCM scm_random_hollow_sphere_x (SCM v, SCM state);