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Point.cpp
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60 lines (47 loc) · 811 Bytes
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#include "Point.h"
Point::Point() {
}
Point::Point(const Point &p) {
x.Set((Int *)&p.x);
y.Set((Int *)&p.y);
z.Set((Int *)&p.z);
}
Point::Point(Int *cx,Int *cy,Int *cz) {
x.Set(cx);
y.Set(cy);
z.Set(cz);
}
Point::Point(Int *cx, Int *cz) {
x.Set(cx);
z.Set(cz);
}
void Point::Clear() {
x.SetInt32(0);
y.SetInt32(0);
z.SetInt32(0);
}
void Point::Set(Int *cx, Int *cy,Int *cz) {
x.Set(cx);
y.Set(cy);
z.Set(cz);
}
Point::~Point() {
}
void Point::Set(Point &p) {
x.Set(&p.x);
y.Set(&p.y);
z.Set(&p.z);
}
bool Point::isZero() {
return x.IsZero() && y.IsZero();
}
void Point::Reduce() {
Int i(&z);
i.ModInv();
x.ModMul(&x,&i);
y.ModMul(&y,&i);
z.SetInt32(1);
}
bool Point::equals(Point &p) {
return x.IsEqual(&p.x) && y.IsEqual(&p.y) && z.IsEqual(&p.z);
}