256     S2Point ab = S2Point.crossProd(a, b);  in simpleCrossing()
257     S2Point cd = S2Point.crossProd(c, d);  in simpleCrossing()
289     S2Point x = S2Point.crossProd(S2Point.add(b, a), S2Point.sub(b, a));  in robustCrossProd()
389     S2Point ab = S2Point.crossProd(a, b);  in girardArea()
390     S2Point bc = S2Point.crossProd(b, c);  in girardArea()
391     S2Point ac = S2Point.crossProd(a, c);  in girardArea()
459     double sina = S2Point.crossProd(b, c).norm();  in trueCentroid()
460     double sinb = S2Point.crossProd(c, a).norm();  in trueCentroid()
461     double sinc = S2Point.crossProd(a, b).norm();  in trueCentroid()
471     return new S2Point(0.5 * S2Point.crossProd(y, z).dotProd(r),  in trueCentroid()
472         0.5 * S2Point.crossProd(z, x).dotProd(r), 0.5 * S2Point.crossProd(x, y).dotProd(r));  in trueCentroid()
498     return S2Point.crossProd(c, a).dotProd(b) > 0;  in simpleCCW()
529     return robustCCW(a, b, c, S2Point.crossProd(a, b));  in robustCCW()
625         sign = S2Point.crossProd(vab, vca).dotProd(a) * sab; // BC is longest  in expensiveCCW()
628         sign = S2Point.crossProd(vca, vbc).dotProd(c) * sca; // AB is longest  in expensiveCCW()
633         sign = S2Point.crossProd(vbc, vab).dotProd(b) * sbc; // CA is longest  in expensiveCCW()
636         sign = S2Point.crossProd(vca, vbc).dotProd(c) * sca; // AB is longest  in expensiveCCW()
680       sign = a.crossProd(vab) * sab;  in planarCCW()
682       sign = vab.crossProd(b);  in planarCCW()
749     return S2Point.crossProd(a, b).angle(S2Point.crossProd(c, b));  in angle()
767     double outAngle = S2Point.crossProd(b, a).angle(S2Point.crossProd(c, b));  in turnAngle()