Point3.h

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#ifndef POINT3_H_
#define POINT3_H_
using namespace std;
#include<iostream>
class Point3 {
        double x, y, z;
public:

        Point3(double v) {
                this->set(v);
        }
        Point3(double x, double y, double z) {
                this->x = x;
                this->y = y;
                this->z = z;
        }
        Point3(const Point3 & pt) {
                this->x = pt.x;
                this->y = pt.y;
                this->z = pt.z;
        }
        double getSum() const{
                return x + y + z;
        }
        double getLen() const{
                        return x*x + y*y + z*z;
                }
        void scale(double factor) {
                x *= factor;
                y *= factor;
                z *= factor;
        }
        void add(const Point3 & pt) {
                x += pt.x;
                y += pt.y;
                z += pt.z;
        }
        void sub(const Point3 & pt) {
                x -= pt.x;
                y -= pt.y;
                z -= pt.z;
        }
        void set(double n) {
                x = y = z = n;
        }
        void set(double x, double y, double z) {
                        this->x = x;
                        this->y = y;
                        this->z = z;
                }
        void set(const Point3 & other) {
                x = other.x;
                y = other.y;
                z = other.z;
        }
        bool setIfMax(double nx, double ny, double nz) {
                bool ret = false;
                if (nx > x) {
                        x = nx;
                        ret = true;
                }
                if (ny > y) {
                        y = ny;
                        ret = true;
                }
                if (nz > z) {
                        z = nz;
                        ret = true;
                }
                return ret;
        }
        bool setIfMin(double nx, double ny, double nz) {
                bool ret = false;
                if (nx < x) {
                        x = nx;
                        ret = true;
                }
                if (ny < y) {
                        y = ny;
                        ret = true;
                }
                if (nz < z) {
                        z = nz;
                        ret = true;
                }
                return ret;
        }
        bool setIfMax(const Point3 & other) {
                return setIfMax(other.x, other.y, other.z);
        }
        bool setIfMin(const Point3 & other) {
                return setIfMin(other.x, other.y, other.z);
        }
        double getX()const {
                return x;
        }
        double getY() const{
                return y;
        }
        double getZ() const{
                return z;
        }

        bool equals(const Point3 & other)const {
                return (x==other.x) && (y==other.y) && (z==other.z);
        }
        friend ostream & operator<<(ostream & s, const Point3 & pt);

};
ostream & operator<<(ostream & s, const Point3 & pt) {
        s << "[" << pt.x << "," << pt.y << "," << pt.z << "]";
        return s;
}

#endif /* POINT3_H_ */

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