Lines Matching refs:dx
44 float dx;
86 float dadx = da21 * info->dx * info->oneoverarea;
118 float dadx = da21 * info->dx * info->oneoverarea;
305 float dx, dy;
324 dx = v1[0][0] - v2[0][0];
326 area = (dx * dx + dy * dy);
333 info.dx = dx;
340 if (fabsf(dx) >= fabsf(dy)) {
341 float dydx = dy / dx;
358 else if (sign(x1diff) == sign(-dx)) {
377 else if (sign(x2diff) != sign(-dx)) {
391 will_draw_start = sign(-x1diff) != sign(dx);
392 will_draw_end = (sign(x2diff) == sign(-dx)) || x2diff==0;
394 if (dx < 0) {
399 dx = -dx;
438 const float dxdy = dx / dy;
446 if (x2diff==-0.5 && dx<0) {
459 else if (sign(x1diff) != sign(-dx)) {
477 else if (sign(x2diff) == sign(-dx) ) {
496 dx = -dx;