Week 6 computer task Project 5-multiple files in one project

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> # include "class. h "using namespace std; int main () {CPoint a (0, 0), B (1, 1), c (1, 0); CTriangle sj (a, B, c);. output (), B. output (), c. output (); cout <"triangle:" <endl; cout <"perimeter :" <Sj. perimeter () <endl; cout <"area:" <sj. area () <endl; cout <(sj. isRightTriangle ()? "Yes": "not") <"right triangle. "<Endl; cout <(sj. isIsoscelesTriangle ()? "Yes": "no") <"isosceles triangle. "<Endl; CPoint a2 (0, 0), b2 (0,), c2 (5, 0); CTriangle sj2 (a2, b2, c2); a2.output (), b2.output (), c2.output (); cout <"triangle:" <endl; cout <"perimeter:" <sj2.perimeter () <endl; cout <"Area:" <sj2.area () <endl; cout <(sj2.isRightTriangle ()? "Yes": "not") <"right triangle. "<Endl; cout <(sj2.isIsoscelesTriangle ()? "Yes": "no") <"isosceles triangle. "<Endl; system (" PAUSE "); return 0 ;}

// Vertex class # include <iostream> # include <cmath> # include "class. h "using namespace std; class CPoint {private: float x; // abscissa float y; // ordinate public: CPoint (float xx = 0, float yy = 0 ); float Distance (CPoint p) const; // Distance between two points (one point is the current point, and the other point is the parameter p) void input (); // use x, input coordinate point void output () in y format; // output coordinate point in (x, y) form}; CPoint: CPoint (float xx, float yy) {x = xx, y = yy;} float CPoint: Distance (CPoint p) const {return sqrt (p. x-x )* (P. x-x) + (p. y-y) * (p. y-y);} void CPoint: input () {char a; 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 ;}

// Triangle class # include <iostream> # include <cmath> # include "class. H "class ctriangle {public: ctriangle (cpoint & X, cpoint & Y, cpoint & Z): A (x), B (Y), C (z) {}// the three-point constructor void settriangle (cpoint & X, cpoint & Y, cpoint & Z); // float perimeter (void ); // calculate the triangle perimeter float area (void); // calculate and return the Triangle Area bool isrighttriangle (); // determine whether it is a right triangle bool isisoscelestriangle (); // whether the isosceles triangle is private: cpoint A, B, C; // three vertices}; void ctriangle: settriangle (Cpoint & X, cpoint & Y, cpoint & Z) {A = X, B = Y, c = z;} float ctriangle: Perimeter (void) {return (. distance (B) + B. distance (c) + C. distance (a);} float ctriangle: Area (void) {float AB =. distance (B), BC = B. distance (C), AC =. distance (c); float P = (AB + BC + AC)/2; Return (SQRT (p * (p-AB) * (p-BC) * (p-AC);} bool ctriangle: isrighttriangle () {float AB =. distance (B), BC = B. distance (C), AC =. distance (c); Return (AB * AB + bc * BC = ac * AC) | (AB * AB + AC * AC = BC * BC) | (AC * AC + bc * BC = AB * AB ))? True: false;} bool ctriangle: isisoscelestriangle () {float AB =. distance (B), BC = B. distance (C), AC =. distance (c); Return (AB = ac | AB = BC | AC = BC )? True: false ;}