17 struct SkDVector {  struct
27     void operator+=(const SkDVector& v) {  argument
33     void operator-=(const SkDVector& v) {
56     double cross(const SkDVector& a) const {  in cross()  argument
61     double crossCheck(const SkDVector& a) const {  in crossCheck()  argument
67     double dot(const SkDVector& a) const {  in dot()  argument
89     friend SkDVector operator-(const SkDPoint& a, const SkDPoint& b);  argument
105     void operator+=(const SkDVector& v) {
111     void operator-=(const SkDVector& v) {
117     SkDPoint operator+(const SkDVector& v) {
124     SkDPoint operator-(const SkDVector& v) {
181         SkDVector temp = *this - a;  in distance()
186         SkDVector temp = *this - a;  in distanceSquared()