74 int SkFindUnitQuadRoots(SkScalar A, SkScalar B, SkScalar C, SkScalar roots[2]) {  in SkFindUnitQuadRoots()
75     SkASSERT(roots);  in SkFindUnitQuadRoots()
78         return return_check_zero(valid_unit_divide(-C, B, roots));  in SkFindUnitQuadRoots()
81     SkScalar* r = roots;  in SkFindUnitQuadRoots()
97     if (r - roots == 2) {  in SkFindUnitQuadRoots()
98         if (roots[0] > roots[1]) {  in SkFindUnitQuadRoots()
100             swap(roots[0], roots[1]);  in SkFindUnitQuadRoots()
101         } else if (roots[0] == roots[1]) { // nearly-equal?  in SkFindUnitQuadRoots()
105     return return_check_zero((int)(r - roots));  in SkFindUnitQuadRoots()
427                    const SkScalar tValues[], int roots) {  in SkChopCubicAt()  argument
430         for (int i = 0; i < roots - 1; i++)  in SkChopCubicAt()
440         if (roots == 0) { // nothing to chop  in SkChopCubicAt()
446             for (int i = 0; i < roots; i++) {  in SkChopCubicAt()
448                 if (i == roots - 1) {  in SkChopCubicAt()
487     int         roots = SkFindCubicExtrema(src[0].fY, src[1].fY, src[2].fY,  in SkChopCubicAtYExtrema()  local
490     SkChopCubicAt(src, dst, tValues, roots);  in SkChopCubicAtYExtrema()
491     if (dst && roots > 0) {  in SkChopCubicAtYExtrema()
494         if (roots == 2) {  in SkChopCubicAtYExtrema()
498     return roots;  in SkChopCubicAtYExtrema()
503     int         roots = SkFindCubicExtrema(src[0].fX, src[1].fX, src[2].fX,  in SkChopCubicAtXExtrema()  local
506     SkChopCubicAt(src, dst, tValues, roots);  in SkChopCubicAtXExtrema()
507     if (dst && roots > 0) {  in SkChopCubicAtXExtrema()
510         if (roots == 2) {  in SkChopCubicAtXExtrema()
514     return roots;  in SkChopCubicAtXExtrema()
855     SkScalar roots[3];  in SkChopCubicAtMaxCurvature()  local
856     int rootCount = SkFindCubicMaxCurvature(src, roots);  in SkChopCubicAtMaxCurvature()
861         if (0 < roots[i] && roots[i] < 1) {  in SkChopCubicAtMaxCurvature()
862             tValues[count++] = roots[i];  in SkChopCubicAtMaxCurvature()
918     int roots = SkFindCubicMaxCurvature(src, maxCurvature);  in SkFindCubicCusp()  local
919     for (int index = 0; index < roots; ++index) {  in SkFindCubicCusp()
941 typedef int (SkDCubic::*InterceptProc)(double intercept, double roots[3]) const;
946     double roots[3];  in cubic_dchop_at_intercept()  local
947     int count = (cubic.set(src).*method)(intercept, roots);  in cubic_dchop_at_intercept()
949         SkDCubicPair pair = cubic.chopAt(roots[0]);  in cubic_dchop_at_intercept()
1013     int roots = SkFindUnitQuadRoots(coeff[0], coeff[1], coeff[2], tValues);  in conic_find_extrema()  local
1014     SkASSERT(0 == roots || 1 == roots);  in conic_find_extrema()
1016     if (1 == roots) {  in conic_find_extrema()