112     intstruct->list[0].t = FHUGE;  in reset_intersection()
114     intstruct->list[1].t = FHUGE;  in reset_intersection()
118 void add_intersection(flt t, object *obj, ray *ry) {  in add_intersection()  argument
121     if (t > EPSILON) {  in add_intersection()
123         if (t < ry->maxdist) {  in add_intersection()
124             ry->maxdist = t;  in add_intersection()
134         intstruct->list[intstruct->num].t = t;  in add_intersection()
138 int closest_intersection(flt *t, object **obj, intersectstruct *intstruct) {  in closest_intersection()  argument
140     *t = FHUGE;  in closest_intersection()
143         if (intstruct->list[i].t < *t) {  in closest_intersection()
144             *t = intstruct->list[i].t;  in closest_intersection()
157             if ((intstruct->list[i].t < maxdist) &&  in shadow_intersection()