491     f32 b, d, e, f, det;  in DistSqLine3ToLine3()  local
495     b = VEC3Dot(&L0->d, &L1->d);  in DistSqLine3ToLine3()
500     det = 1.f - b * b; // det = a * c - b * b;  in DistSqLine3ToLine3()
518         s_ = (b * e - d) * invDet;  in DistSqLine3ToLine3()
519         t_ = (e - b * d) * invDet;  in DistSqLine3ToLine3()
543     f32    b = VEC3Dot(&u, &v);  in DistSqSegment3ToSegment3()  local
547     f32    D = a*c - b*b;       // always >= 0  in DistSqSegment3ToSegment3()
559         sN = (b*e - c*d);  in DistSqSegment3ToSegment3()
560         tN = (a*e - b*d);  in DistSqSegment3ToSegment3()
569             tN = e + b;  in DistSqSegment3ToSegment3()
590         if ((-d + b) < 0.0f)  in DistSqSegment3ToSegment3()
592         else if ((-d + b) > a)  in DistSqSegment3ToSegment3()
595             sN = (-d + b);  in DistSqSegment3ToSegment3()
619     f32 b, d, e, det;  in DistSqLine3ToRay3()  local
624     b = VEC3Dot(&L->d, &R->d);  in DistSqLine3ToRay3()
628     det = 1.f - b * b; // det = a * c - b * b;  in DistSqLine3ToRay3()
640         sNum = b * e - d;  in DistSqLine3ToRay3()
641         tNum = e - b * d;  in DistSqLine3ToRay3()
679     f32 b, c, d, e, det;  in DistSqLine3ToSegment3()  local
684     b = VEC3Dot(&L0->d, &segDir);  in DistSqLine3ToSegment3()
688     det = c - b * b; // det = a * c - b * b;  in DistSqLine3ToSegment3()
701         sNum = b * e - c * d;  in DistSqLine3ToSegment3()
702         tNum = e - b * d;  in DistSqLine3ToSegment3()
718         sNum = -d + b;  in DistSqLine3ToSegment3()
744     f32 b, d, e, det;  in DistSqRay3ToRay3()  local
749     b = VEC3Dot(&R0->d, &R1->d);  in DistSqRay3ToRay3()
753     det = 1.f - b * b; // det = a * c - b * b;  in DistSqRay3ToRay3()
766         sNum = b * e - d;  in DistSqRay3ToRay3()
767         tNum = e - b * d;  in DistSqRay3ToRay3()
819     f32 b, c, d, e, det;  in DistSqRay3ToSegment3()  local
825     b = VEC3Dot(&R0->d, &segDir);  in DistSqRay3ToSegment3()
829     det = c - b * b; // det = a * c - b * b;  in DistSqRay3ToSegment3()
842         sNum = b * e - c * d;  in DistSqRay3ToSegment3()
843         tNum = e - b * d;  in DistSqRay3ToSegment3()
876         if ((-d + b) < 0.f)  in DistSqRay3ToSegment3()
883             sNum = -d + b;  in DistSqRay3ToSegment3()
1018     f32 b, c, discrm;  in IntersectionLine3Sphere()  local
1022     b = 2.f * VEC3Dot(&L->d, &PmC);  in IntersectionLine3Sphere()
1024     discrm = b * b - 4.f * c /* * a*/;  in IntersectionLine3Sphere()
1032             *t0 = (-b - sq) * 0.5f/* inv(2 * a) */;  in IntersectionLine3Sphere()
1037             *t1 = (-b + sq) * 0.5f/* inv(2 * a) */;  in IntersectionLine3Sphere()
1046             *t0 = -0.5f * b;  in IntersectionLine3Sphere()
1274 IntersectionAABB(const AABB* a, const AABB* b)  in IntersectionAABB()  argument
1276     if (a->Pmin.x > b->Pmax.x || b->Pmin.x > a->Pmax.x ||  in IntersectionAABB()
1277         a->Pmin.y > b->Pmax.y || b->Pmin.y > a->Pmax.y ||  in IntersectionAABB()
1278         a->Pmin.z > b->Pmax.z || b->Pmin.z > a->Pmax.z)  in IntersectionAABB()