65 int extvol_bbox(void *obj, vector *min, vector *max) {  in extvol_bbox()  argument
69     *max = b->max;  in extvol_bbox()
81                   vector max,  in newextvol()  argument
95     xvol->max = max;  in newextvol()
175         if ((ry->o.x < bx->min.x) || (ry->o.x > bx->max.x))  in ext_volume_texture()
180         tx2 = (bx->max.x - ry->o.x) / ry->d.x;  in ext_volume_texture()
197         if ((ry->o.y < bx->min.y) || (ry->o.y > bx->max.y))  in ext_volume_texture()
202         ty2 = (bx->max.y - ry->o.y) / ry->d.y;  in ext_volume_texture()
219         if ((ry->o.z < bx->min.z) || (ry->o.z > bx->max.z))  in ext_volume_texture()
224         tz2 = (bx->max.z - ry->o.z) / ry->d.z;  in ext_volume_texture()
247     bln.x = fabs(bx->min.x - bx->max.x);  in ext_volume_texture()
248     bln.y = fabs(bx->min.y - bx->max.y);  in ext_volume_texture()
249     bln.z = fabs(bx->min.z - bx->max.z);  in ext_volume_texture()