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Lines Matching refs:ydfdy

657     GGLfixed f = (xs * c->shade.dfdx) + ci.ydfdy;
1632         ci.ydfdy = interpolate(ys, c->shade.f0, c->shade.dfdx, c->shade.dfdy);
1664     gen.f    = ci.ydfdy;
1815         ci.ydfdy += c->shade.dfdy;