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  /external/mesa3d/src/gallium/drivers/llvmpipe/
lp_setup_line.c 303 float x2diff; local
345 x2diff = v2[0][0] - (float) floor(v2[0][0]) - 0.5;
374 if (fabsf(x2diff) + fabsf(y2diff) < 0.5) {
377 else if (sign(x2diff) != sign(-dx)) {
385 float yintersect = fracf(v2[0][1]) + x2diff * dydx;
392 will_draw_end = (sign(x2diff) == sign(-dx)) || x2diff==0;
408 x_offset = - x2diff - 0.5;
420 x_offset_end = - x2diff + 0.5;
443 x2diff = v2[0][0] - (float) floor(v2[0][0]) - 0.5
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