Lines Matching refs:tN
556 float tN, tX, tXX, tY, tXY;
566 tN = tX = tXX = tY = tXY = 0.f;
573 tN += w;
577 N[0] = tN;
590 tN += w;
596 N[i] = tN;
609 tN = N[hi] + N[-lo];
616 B = tN * tXY - tX * tY;
617 D = tN * tXX - tX * tX;
631 tN = N[hi] - N[lo];
638 B = tN * tXY - tX * tY;
639 D = tN * tXX - tX * tX;
660 tN = N[hi] + N[-lo];
668 B = tN * tXY - tX * tY;
669 D = tN * tXX - tX * tX;
680 tN = N[hi] - N[lo];
687 B = tN * tXY - tX * tY;
688 D = tN * tXX - tX * tX;
