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Lines Matching refs:tangent

621                           float *tangent)
623    tangent[0] = bez->x1;
624    tangent[1] = bez->y1;
625    tangent[2] = bez->x2;
626    tangent[3] = bez->y2;
628    if (null_line(tangent)) {
629       tangent[0] = bez->x1;
630       tangent[1] = bez->y1;
631       tangent[2] = bez->x3;
632       tangent[3] = bez->y3;
634    if (null_line(tangent)) {
635       tangent[0] = bez->x1;
636       tangent[1] = bez->y1;
637       tangent[2] = bez->x4;
638       tangent[3] = bez->y4;