All functions working. Need driver menu.

1 files changed, 138 insertions, 0 deletions

diff --git a/main.cpp b/main.cpp
index e69de29..d5093f2 100644
--- a/main.cpp
+++ b/main.cpp
@@ -0,0 +1,138 @@
+//tyler taormina
+//cst 116
+//dec 7, 2021
+//Project 3 (Isabella Mon, Tyler Taormina)
+
+
+#include <iostream>
+
+using namespace std;
+
+int const SIZE = 3;
+
+void FillMat (int size, float mat[SIZE][SIZE]);
+void PrintMat (int size, float mat[SIZE][SIZE]);
+void AddMat (int size, float mat1[SIZE][SIZE], float mat2[SIZE][SIZE], float matSum[SIZE][SIZE]);
+void TransMat (int size, float mat[SIZE][SIZE], float tranMat[SIZE][SIZE]);
+void MultMat (int size, float mat1[SIZE][SIZE], float mat2[SIZE][SIZE], float matMult[SIZE][SIZE], float tranMat[SIZE][SIZE]);
+
+
+int main() 
+{
+    float mat1 [SIZE][SIZE];
+    float mat2 [SIZE][SIZE];
+    float matSum [SIZE][SIZE];
+    float matMult [SIZE][SIZE];
+    float tranMat [SIZE][SIZE];
+
+    FillMat(SIZE, mat1);
+    FillMat(SIZE, mat2);
+    AddMat(SIZE, mat1, mat2, matSum);
+    cout << "Matrix 1" << endl;
+    PrintMat(SIZE, mat1);
+    cout << "Matrix 2" << endl;
+    PrintMat(SIZE, mat2);
+
+    MultMat(SIZE, mat1, mat2, matMult, tranMat);
+    cout << "Multiplied Matrix" << endl;
+    PrintMat(SIZE, matMult);
+
+
+    return 0;
+}
+
+
+void AddMat(int size, float mat1[SIZE][SIZE], float mat2[SIZE][SIZE], float matSum[SIZE][SIZE])
+{
+    int row, col;
+    float sum;    
+
+    for (row = 0; row < size; row++)
+        {
+            for (col = 0; col < size; col++)
+            {
+                sum = mat1[row][col] + mat2[row][col];
+                matSum[row][col] = sum;
+            }
+        }
+}
+
+
+void FillMat(int size, float mat[SIZE][SIZE])
+{
+    int row, col;
+    float temp;
+
+    cout << "Lets build a 3x3 matrix..." << endl;
+    cout << "We will fill in the matrix by row..." << endl;
+    cout << "Input prompts will stop automatically once the matrix is full..." << endl;
+
+    for (row = 0; row < size; row++)
+    {
+        for (col = 0; col < size; col++)
+        {
+            cout << "Please enter a number: ";
+            cin >> temp;
+            mat[row][col] = temp;
+        }
+    }
+}
+
+
+void PrintMat(int size, float mat[SIZE][SIZE])
+{
+    int row, col;
+    
+    for (row = 0; row < size; row++)
+    {
+        for (col = 0; col < size; col++)
+        {
+            cout << mat[row][col] << "  ";
+        }
+        cout << endl;
+    }
+}
+
+
+void TransMat (int size, float mat[SIZE][SIZE], float tranMat[SIZE][SIZE])
+{
+    int row, col;
+    
+    for (row = 0; row < size; row++)
+    {
+        for (col = 0; col < size; col++)
+        {
+            tranMat[row][col] = mat[col][row];
+        }
+    }   
+}
+
+
+void MultMat (int size, float mat1[SIZE][SIZE], float mat2[SIZE][SIZE], float matMult[SIZE][SIZE], float tranMat[SIZE][SIZE])
+{
+    int row, col;
+    int i = 0;
+    int k;
+    float temp = 0;
+    float total = 0;
+
+    TransMat(size, mat2, tranMat);
+
+    for (k = 0; k < size; k++)
+    {
+        for (row = 0; row < size; row++)
+        {
+            
+            for (col = 0; col < size; col++)
+            {
+                temp = mat1[k][col] * tranMat[i][col];
+                total += temp;
+            }
+            matMult[k][i] = total;
+            i++;
+            total = 0;
+        }
+        i = 0;
+    }
+}
+