72 object *newcylinder(void *tex, vector ctr, vector axis, flt rad) {  in newcylinder()  argument
82     c->rad = rad;  in newcylinder()
119     if (d <= cyl->rad) { /* ray intersects cylinder.. */  in cylinder_intersect()
126         s = fabs(sqrt(cyl->rad * cyl->rad - d * d) / s);  in cylinder_intersect()
160 object *newfcylinder(void *tex, vector ctr, vector axis, flt rad) {  in newfcylinder()  argument
170     c->rad = rad;  in newfcylinder()
189     min->x -= c->rad;  in fcylinder_bbox()
190     min->y -= c->rad;  in fcylinder_bbox()
191     min->z -= c->rad;  in fcylinder_bbox()
196     max->x += c->rad;  in fcylinder_bbox()
197     max->y += c->rad;  in fcylinder_bbox()
198     max->z += c->rad;  in fcylinder_bbox()
224     if (d <= cyl->rad) { /* ray intersects cylinder.. */  in fcylinder_intersect()
231         s = fabs(sqrt(cyl->rad * cyl->rad - d * d) / s);  in fcylinder_intersect()