96     rc.z = ry->o.z - cyl->ctr.z;  in cylinder_intersect()
107         D.z = rc.z - d * cyl->axis.z;  in cylinder_intersect()
148     b.z = c.z * t + cyl->ctr.z;  in cylinder_normal()
156         N->z = -N->z;  in cylinder_normal()
181     mintmp.z = c->ctr.z;  in fcylinder_bbox()
184     maxtmp.z = c->ctr.z + c->axis.z;  in fcylinder_bbox()
188     min->z = MYMIN(mintmp.z, maxtmp.z);  in fcylinder_bbox()
191     min->z -= c->rad;  in fcylinder_bbox()
195     max->z = MYMAX(mintmp.z, maxtmp.z);  in fcylinder_bbox()
198     max->z += c->rad;  in fcylinder_bbox()
209     rc.z = ry->o.z - cyl->ctr.z;  in fcylinder_intersect()
241         tmp2.z = hit.z - cyl->ctr.z;  in fcylinder_intersect()
254         tmp2.z = hit.z - cyl->ctr.z;  in fcylinder_intersect()