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#includeiostream
#includefstream
#includecstdlib
using namespace std;
//Constant Declarations
//---------------------------
const int MAXROWS = 5;
const int MAXCOLS = 5;
//Function Prototypes
//-------------------------
void Input(double a[][MAXCOLS], int& row, int& col, ifstream& fin);
void Output(double a[][MAXCOLS], int row, int col, ofstream& fout);
bool Equal(double a[][MAXCOLS], int aRow, int aCol,
double b[][MAXCOLS], int bRow, int bCol);
void Add(double a[][MAXCOLS], int aRow, int aCol,
double b[][MAXCOLS], int bRow, int bCol,
double sum[][MAXCOLS]);
void Transpose(double a[][MAXCOLS], int row, int col, double trans[][MAXCOLS]);
void Multiply(double a[][MAXCOLS], int aRow, int aCol,
double b[][MAXCOLS], int bRow, int bCol,
double product[][MAXCOLS]);
char getOp();
int main()
{
//Variable List
//----------------
char inFile1[5];
char inFile[5];
char outFile[5];
ifstream fin1;
ofstream fout;
ifstream fin;
double array1[MAXROWS][MAXCOLS] = {{0}};
int a1_Rows = 0;
int a1_Cols = 0;
int a_Rows = 0;
int a_Cols = 0;
double array[MAXROWS][MAXCOLS] = {{0}};
double product[MAXROWS][MAXCOLS] = {{0}};
double sum[MAXROWS][MAXCOLS] = {{0}};
double trans[MAXROWS][MAXCOLS] = {{0}};
char ans;
bool t;
cout Enter the name of the file that contains first set of data-;
cin inFile1;
cout endl;
cout Enter the name of the file that contains the second set of data-;
cin inFile;
cout endl;
cout Enter the name of the output file that you would like to write to-;
cin outFile;
cout endl;
fin1.open(inFile1);
if(fin1.fail())
{
cout Cannot open inFile1 program exiting endl;
exit(1);
}
fin.open(inFile);
if(fin.fail())
{
cout Cannot open inFile program exiting endl;
exit(1);
}
fout.open(outFile);
if(fout.fail())
{
cout Cannot open outFile program exiting endl;
exit(1);
}
Input(array1, a1_Rows, a1_Cols, fin1);
cout Array 1 Input [DONE] endl;
Input(array, a_Rows, a_Cols, fin);
cout Array Input [DONE] endl;
cout endl;
ans = getOp();
while (ans != q)
{
switch(ans)
{
case 1
Multiply(array1, a1_Rows, a1_Cols, array, a_Rows, a_Cols, product);
Output(array1, a1_Rows, a1_Cols, fout);
fout
fout endl;
Output(array, a_Rows, a_Cols, fout);
fout =
fout endl;
Output(product, a1_Rows, a_Cols, fout);
fout --------------------------------------------
cout Outputted to File [DONE] endl;
ans = getOp();
break;
case
Add(array1, a1_Rows, a1_Cols, array, a_Rows, a_Cols, sum);
Output(array1, a1_Rows, a1_Cols, fout);
fout +
fout endl;
Output(array, a_Rows, a_Cols, fout);
fout =
fout endl;
Output(sum, a1_Rows, a_Cols, fout);
cout Outputted to File [DONE] endl;
fout --------------------------------------------
ans = getOp();
break;
case
Transpose(array1, a1_Rows, a1_Cols, trans);
Output(array1, a1_Rows, a1_Cols, fout);
fout T =
fout endl;
Output(trans, a1_Rows, a1_Cols, fout);
cout Outputted to File [DONE] endl;
fout --------------------------------------------
ans = getOp();
break;
case 4
Transpose(array, a_Rows, a_Cols, trans);
Output(array1, a1_Rows, a1_Cols, fout);
fout T =
fout endl;
Output(trans, a1_Rows, a1_Cols, fout);
cout Outputted to File [DONE] endl;
fout --------------------------------------------
ans = getOp();
break;
case 5
Output(array1, a1_Rows, a1_Cols, fout);
fout Equals
fout endl;
Output(array, a_Rows, a_Cols, fout);
t = Equal(array1, a1_Rows, a1_Cols, array, a_Rows, a_Cols);
if (t == 1)
fout True endl;
else
fout False endl;
fout endl;
cout Outputted to File [DONE] endl;
fout --------------------------------------------
ans = getOp();
break;
default
cout Incorrect input, plase try again-;
cin ans;
cout endl;
}
}
//Closing All Input/Output Files
//-------------------------------------
fin1.close();
fin.close();
fout.close();
return(0);
}
void Input(double a[][MAXCOLS], int& row, int& col, ifstream& fin)
{
int tempRow, tempCol;
double tempVal;
fin tempRow;
fin tempCol;
for(int i = 0; i tempRow; i++)
{
for(int j = 0; j tempCol; j++)
{
fin tempVal;
a[i][j] = tempVal;
}
}
row = tempRow;
col = tempCol;
}
void Output(double a[][MAXCOLS], int row, int col, ofstream& fout)
{
int count = 0;
for(int r = 0; r row; r++)
{
for(int c = 0; c col; c++)
{
if(a[r][c] == 0)
count++;
}
}
if (count != (row col))
{
for(int i = 0; i row; i++)
{
for(int j = 0; j col; j++)
{
fout a[i][j] ;
}
fout endl;
}
fout endl;
}
else
fout Could Not Be Solved endl;
}
bool Equal(double a[][MAXCOLS], int aRow, int aCol,
double b[][MAXCOLS], int bRow, int bCol)
{
bool equalityFlag = true;
if( (aRow != bRow) || (aCol != bCol) )
equalityFlag = false;
else
{
for(int i = 0; i aRow ; i++)
{
for(int j = 0; j aCol; j++)
{
if(a[i][j] != b[i][j])
equalityFlag = false;
}
}
}
return(equalityFlag);
}
void Add(double a[][MAXCOLS], int aRow, int aCol,
double b[][MAXCOLS], int bRow, int bCol,
double sum[][MAXCOLS])
{
if ( (aRow == bRow) && (aCol == bCol))
{
for(int i = 0; i aRow; i++)
{
for(int j = 0; j aCol; j++)
{
sum[i][j] = a[i][j] + b[i][j];
}
}
}
else
{
cout endl;
cout CANNOT ADD THESE MATRICES, DIMENSIONS DONT MATCH endl;
cout endl;
}
}
void Transpose(double a[][MAXCOLS], int row, int col, double trans[][MAXCOLS])
{
if(row == col)
{
for(int i = 0; i row; i++)
{
for(int j = 0; j col; j++)
{
trans[i][j] = a[j][i];
}
}
}
else {
cout endl;
cout CANNOT TRANSPOSE, INDICES NEED TO FORM A PERFECT SQUARE endl;
cout endl;
}
}
void Multiply(double a[][MAXCOLS], int aRow, int aCol,
double b[][MAXCOLS], int bRow, int bCol,
double product[][MAXCOLS])
{
double sum = 0;
if( (aRow == bCol) && (bRow == aCol) )
{
for(int row = 0; row aRow; row++)
{
for(int col = 0; col bRow; col ++)
{
sum = 0;
for(int i = 0; i aCol; i++)
{
sum = sum + (a[row][i] b[i][col]);
}
product[row][col] = sum;
}
}
}
else{
cout endl;
cout CANNOT MULTIPLY, INDICES ARE NOT CONSISTENT endl;
cout endl;
}
}
char getOp()
{
char ans;
cout MATRIX OPERATIONS endl;
cout ------------------------------ endl;
cout 1. Multiply Matrix 1 and Matrix endl;
cout . Add Matrix 1 and Matrix endl;
cout . Transpose Matrix 1 endl;
cout 4. Transpose Matrix endl;
cout 5. See if Matrix 1 equals Matrix endl;
cout endl;
cout endl;
cout Please choose number of what you would like to do (q for quit)-;
cin ans;
cout endl;
return ans;
}
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