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Lines Matching refs:discr

572 // discr(I) = d0^2 * (3*d1^2 - 4*d0*d2)
574 // discr(I) > 0 Serpentine
575 // discr(I) = 0 Cusp
576 // discr(I) < 0 Loop
584 const SkScalar discr = d[0] * d[0] * (3.f * d[1] * d[1] - 4.f * d[0] * d[2]);
585 if (discr > SK_ScalarNearlyZero) {
587 } else if (discr < -SK_ScalarNearlyZero) {