Week 6 computer task project 3-plane coordinate points

01. /* 02. * copyright and version Declaration of the program part 03. * Copyright (c) 2013, Yantai University Computer college student 04. * All rightsreserved. 05. * file name: CPoint. cpp 06. * Author: Zhao guanzhe 07. * Completion Date: April 8, April 5, 2013. * version: v1.0 09. * input Description: 10. * Problem description: 11. */# include <iostream> # include <cmath> using namespace std; class CPoint {private: double x; // abscissa double y; // ordinate public: CPoint (double xx = 0, double yy = 0); double Distance (CPoint p) const; // Distance between two points (one point is the current point, and the other point is the parameter p) double D Istance0 () const; // The distance from the source CPoint into ricaxis (char style) const; // The style is 'x', 'y', and 'O' respectively, indicating that the x axis is used, y axis, origin symmetric void input (); // input coordinate point void output () in the form of x and y; // output coordinate point in the form of (x, y)}; CPoint:: CPoint (double xx, double yy) {x = xx, y = yy;} double CPoint: Distance (CPoint p) const {return sqrt (p. x-x) * (p. x-x) + (p. y-y) * (p. y-y);} double CPoint: Distance0 () const {return sqrt (x * x + y * y);} CPoint: Unsupported ricaxis (char style) con St {double c_x = x, c_y = y; switch (style) {case 'X': c_x =-x; break; case 'y': c_y =-y; break; case 'O': c_x =-x; c_y =-y; break;} CPoint cp (c_x, c_y); // convert c_x, c_y value is initialized to return cp to this object; // returns this object point} void CPoint: input () {char; do {cout <"Enter the coordinates of the vertex (for example, in the form of (x, y):"; cin> x> a> y;} while (! = ',');} Void CPoint: output () {cout <"(" <x <"," <y <") "<endl ;}int main () {CPoint C; C. input (); CPoint cp1 (1.0, 1.0), cp2 (1.0, 0.0); C. output (); cout <"to"; cp1.output (); cout <"distance:" <C. distance (cp1) <endl; C. output (); cout <"to"; cp2.output (); cout <"distance:" <C. distance (cp2) <endl; C. output (); cout <"the distance to the origin is:" <C. distance0 () <endl; C. output (); cout <"the symmetry points on the X axis are:"; C. symmetricAxis ('x '). output (); cout <endl; C. output (); cout <"the symmetry points about the Y axis are:"; C. using ricaxis ('y '). output (); cout <endl; C. output (); cout <"the point of symmetry about the origin is:"; C. using ricaxis ('O '). output (); cout <endl; return 0 ;}

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Experience:

At last, errors always occur. I asked the teacher, but I wrote the main as mian. It really should be done ....