#include "Matrix.h"

struct matrix SubtractMatrices(struct matrix A, struct matrix B){
	int i,j;
	struct matrix C = {0,0,NULL};
	
	/* Checking Dimensions */
	if(A.m!=B.m && A.n!=B.n){
		printf("SubtractMatrices.c Non-conforming Matrices: \n \
		Can not form A-B because A is %ix%i and B is %ix%i.",
		A.m, A.n, B.m, B.n);
		return C;
		};
	/* prints header */
	C=InitializeMatrix(A.m,A.n);
	/* prints values */	
	for(i=0;i<(C.m);i++){
		for(j=0;j<(C.n);j++){
			C.mat[i][j]=A.mat[i][j] - B.mat[i][j];
			};
		};
	return C;
	};