074256_1.cpp

一个用c语言写的一个矩阵加减乘的小程序。里面有具体的使用方法

// 074256_1.cpp : Defines the entry point for the console application.

//074256_1.cpp
//07-11-22
//version 1.7
//To calculate the addition,substraction and multiplication of two matrix

#include"074256_1.h"

void main()
{
	int row1=0;
	int col1=0;
	int row2=0;
	int col2=0;
	int **p_mat1;
	int **p_mat2;
	char choice;

	//Title
	printf("\n   To calculate the addition,substraction and "); 
	printf("multiplication of two matrix\n");
	printf("   ***********************************************************************\n\n");

	for(;;)
	{

	//Matrix1
	printf("\tMatrix1:\n");
	read_cr(&row1,&col1);          //read how many cols and rows
	p_mat1=read_matrix(row1,col1);     //read the Matrix from keyboard

	//Matrix2
	printf("\tMatrix2:\n");
	read_cr(&row2,&col2);          //read how many cols and rows
    p_mat2=read_matrix(row2,col2);      //read the Matrix

	//print two Matrix for check
	printf("   -------------------------------------------------------------------------\n");
	printf("\tMatrix1:\n");
	print_matrix(p_mat1,row1,col1);
	printf("\tMatrix2:\n");
	print_matrix(p_mat2,row2,col2);
	
	//calculate
	printf("   -------------------------------------------------------------------------\n");
	printf("    The Answer is:\n\n");
	add(p_mat1,row1,col1,p_mat2,row2,col2);
	substract(p_mat1,row1,col1,p_mat2,row2,col2);
	multiply(p_mat1,row1,col1,p_mat2,row2,col2);
    
	//free memory
	free_matrix(p_mat1,row1);
	free_matrix(p_mat2,row2);

	//return to the beginning
	choice=getchar();
	printf("   Do you want to continue? [Y]/[N]:\n\t");
	for(;;)
	{
	    scanf("%c",&choice);
		if((choice>'a')&&(choice<'z'))
			choice-='a'-'A';
		clean;//
		if((choice=='N')||(choice=='Y')) 
			break;
	}

	if(choice=='N') break;
	else
		clean();
		printf("\n   ************************************************************************\n");

	}
}