28 const SkPoint kSerp[4] = {
31 const SkPoint kLoop[4] = {
34 const SkPoint kQuad[4] = {
37 static float wangs_formula_quadratic_reference_impl(float precision, const SkPoint p[3]) {  in wangs_formula_quadratic_reference_impl()
42 static float wangs_formula_cubic_reference_impl(float precision, const SkPoint p[4]) {  in wangs_formula_cubic_reference_impl()
57                                                 const SkPoint P[3],  in wangs_formula_conic_reference_impl()
68     const SkPoint C = SkPoint::Make(0.5f * (min_x + max_x), 0.5f * (min_y + max_y));  in wangs_formula_conic_reference_impl()
71     SkPoint tP[3] = {P[0] - C, P[1] - C, P[2] - C};  in wangs_formula_conic_reference_impl()
116                                std::function<void(const SkPoint[])> f,  in for_random_beziers()
119     SkPoint pts[4];  in for_random_beziers()
134     auto setupCubicLengthTerm = [](int seed, SkPoint pts[], float term) {  in DEF_TEST()
135         memset(pts, 0, sizeof(SkPoint) * 4);  in DEF_TEST()
137         SkPoint term2d = (seed & 1) ?  in DEF_TEST()
138                 SkPoint::Make(term, 0) : SkPoint::Make(.5f, std::sqrt(3)/2) * term;  in DEF_TEST()
172     auto setupQuadraticLengthTerm = [](int seed, SkPoint pts[], float term) {  in DEF_TEST()
173         memset(pts, 0, sizeof(SkPoint) * 3);  in DEF_TEST()
175         SkPoint term2d = (seed & 1) ?  in DEF_TEST()
176                 SkPoint::Make(term, 0) : SkPoint::Make(.5f, std::sqrt(3)/2) * term;  in DEF_TEST()
209         SkPoint pts[4];  in DEF_TEST()
251     auto check_cubic_log2 = [&](const SkPoint* pts) {  in DEF_TEST()
259     auto check_quadratic_log2 = [&](const SkPoint* pts) {  in DEF_TEST()
270         SkPoint pts[4];  in DEF_TEST()
281     for_random_beziers(4, &rand, [&](const SkPoint pts[]) {  in DEF_TEST()
285     for_random_beziers(3, &rand, [&](const SkPoint pts[]) {  in DEF_TEST()
292     auto check_cubic_log2_with_transform = [&](const SkPoint* pts, const SkMatrix& m){  in DEF_TEST()
293         SkPoint ptsXformed[4];  in DEF_TEST()
300     auto check_quadratic_log2_with_transform = [&](const SkPoint* pts, const SkMatrix& m) {  in DEF_TEST()
301         SkPoint ptsXformed[3];  in DEF_TEST()
315         for_random_beziers(4, &rand, [&](const SkPoint pts[]) {  in DEF_TEST()
319         for_random_beziers(3, &rand, [&](const SkPoint pts[]) {  in DEF_TEST()
327         SkPoint worstP[] = {{0,0}, {100,100}, {0,0}, {0,0}};  in DEF_TEST()
334         SkPoint worstP[] = {{100,100}, {100,100}, {200,200}, {100,100}};  in DEF_TEST()
340     auto check_worst_case_cubic = [&](const SkPoint* pts) {  in DEF_TEST()
352         for_random_beziers(4, &rand, [&](const SkPoint pts[]) {  in DEF_TEST()
369     for_random_beziers(3, &rand, [&r](const SkPoint pts[]) {  in DEF_TEST()
378             const SkPoint* sectionPts;  in DEF_TEST()
379             SkPoint tmp0[5];  in DEF_TEST()
380             SkPoint tmp1[5];  in DEF_TEST()
399             SkPoint p;  in DEF_TEST()
403             const SkPoint n = {sectionPts[2].fY - sectionPts[0].fY,  in DEF_TEST()
420         for_random_beziers(3, &rand, [&r](const SkPoint pts[]) {  in DEF_TEST()
436     const auto eval_conic = [](const SkPoint pts[3], float w, float t) -> Sk2d {  in DEF_TEST()
465                 [&](const SkPoint pts[]) {  in DEF_TEST()
496         for_random_beziers(3, &rand, [&r, w](const SkPoint pts[]) {  in DEF_TEST()
510     auto check_conic_with_transform = [&](const SkPoint* pts, float w, const SkMatrix& m) {  in DEF_TEST()
511         SkPoint ptsXformed[3];  in DEF_TEST()
521         for_random_beziers(3, &rand, [&](const SkPoint pts[]) {  in DEF_TEST()