project3 uploadHEADmaster

8 files changed, 652 insertions, 0 deletions

diff --git a/project3/notes.txt b/project3/notes.txt
new file mode 100644
index 0000000..14a811f
--- /dev/null
+++ b/project3/notes.txt
@@ -0,0 +1,27 @@
+Meeting notes:
+	No meeting notes beccause i did this myself after several attempts to contact my partner
+	
+Agile:
+	
+	Break down the project and write the pseudocode
+	Ill need to store two matricies and be able to add and multiply them
+	I need to figure out how to add and multiply matrices
+
+	Write most of the code and get it to compile
+	I need to convert the pseudocode to code
+	who do i detect an input error and format the output of a matrix
+
+	Test and debug the code I wrote
+	The code compiles but likely have many errors i need to fix
+	Figure out what pair(s) of matricies are best for testing
+
+Testing:
+	add and multiply the following matrix pairs and make sure the correct answers are output without restarting the program
+
+	1 2 3   4 5 3        5 7 6        14 37 21
+	4 5 6   2 7 9   ->   6 12 15      38 91 57
+	7 8 9   2 6 0        9 14 9       62 145 93
+
+	3 0 -1    1 -5 0     4 -5 -1      3 -14 -3
+	0 4 2     4 1 -2 ->  4 5 0        16 2 -2
+	5 -3 1    0 -1 3     5 -4 4       -7 -29 9
\ No newline at end of file
diff --git a/project3/output.txt b/project3/output.txt
new file mode 100644
index 0000000..5030f60
--- /dev/null
+++ b/project3/output.txt
@@ -0,0 +1,133 @@
+Input the values for the first matrix:
+Input the matrix value at 1, 1: 1
+Input the matrix value at 1, 2: 2
+Input the matrix value at 1, 3: 3
+Input the matrix value at 2, 1: 4
+Input the matrix value at 2, 2: 5
+Input the matrix value at 2, 3: 6
+Input the matrix value at 3, 1: 7
+Input the matrix value at 3, 2: 8
+Input the matrix value at 3, 3: 9
+Input the values for the second matrix:
+Input the matrix value at 1, 1: 4
+Input the matrix value at 1, 2: 5
+Input the matrix value at 1, 3: 3
+Input the matrix value at 2, 1: 2
+Input the matrix value at 2, 2: 7
+Input the matrix value at 2, 3: 9
+Input the matrix value at 3, 1: 2
+Input the matrix value at 3, 2: 6
+Input the matrix value at 3, 3: 0
+                --Matirx Prorgam--
+1. Input new matricies
+2. Multiply matricies
+3. Add matricies
+4. Exit Program
+
+Input your choice: 3
+The result of adding
+[1.000][2.000][3.000]
+[4.000][5.000][6.000]
+[7.000][8.000][9.000]
+with
+[4.000][5.000][3.000]
+[2.000][7.000][9.000]
+[2.000][6.000][0.000]
+is:
+[5.000][7.000][6.000]
+[6.000][12.000][15.000]
+[9.000][14.000][9.000]
+                --Matirx Prorgam--
+1. Input new matricies
+2. Multiply matricies
+3. Add matricies
+4. Exit Program
+
+Input your choice: 2
+The result of multiplying
+[1.000][2.000][3.000]
+[4.000][5.000][6.000]
+[7.000][8.000][9.000]
+with
+[4.000][5.000][3.000]
+[2.000][7.000][9.000]
+[2.000][6.000][0.000]
+is:
+[14.000][37.000][21.000]
+[38.000][91.000][57.000]
+[62.000][145.000][93.000]
+                --Matirx Prorgam--
+1. Input new matricies
+2. Multiply matricies
+3. Add matricies
+4. Exit Program
+
+Input your choice: 1
+Input the values for the first matrix:
+Input the matrix value at 1, 1: 3
+Input the matrix value at 1, 2: 0
+Input the matrix value at 1, 3: -1
+Input the matrix value at 2, 1: 0
+Input the matrix value at 2, 2: 4
+Input the matrix value at 2, 3: 2
+Input the matrix value at 3, 1: 5
+Input the matrix value at 3, 2: -3
+Input the matrix value at 3, 3: 1
+Input the values for the second matrix:
+Input the matrix value at 1, 1: 1
+Input the matrix value at 1, 2: -5
+Input the matrix value at 1, 3: 0
+Input the matrix value at 2, 1: 4
+Input the matrix value at 2, 2: 1
+Input the matrix value at 2, 3: -2
+Input the matrix value at 3, 1: 0
+Input the matrix value at 3, 2: -1
+Input the matrix value at 3, 3: 3
+                --Matirx Prorgam--
+1. Input new matricies
+2. Multiply matricies
+3. Add matricies
+4. Exit Program
+
+Input your choice: 3
+The result of adding
+[3.000][0.000][-1.000]
+[0.000][4.000][2.000]
+[5.000][-3.000][1.000]
+with
+[1.000][-5.000][0.000]
+[4.000][1.000][-2.000]
+[0.000][-1.000][3.000]
+is:
+[4.000][-5.000][-1.000]
+[4.000][5.000][0.000]
+[5.000][-4.000][4.000]
+                --Matirx Prorgam--
+1. Input new matricies
+2. Multiply matricies
+3. Add matricies
+4. Exit Program
+
+Input your choice: 2
+The result of multiplying
+[3.000][0.000][-1.000]
+[0.000][4.000][2.000]
+[5.000][-3.000][1.000]
+with
+[1.000][-5.000][0.000]
+[4.000][1.000][-2.000]
+[0.000][-1.000][3.000]
+is:
+[3.000][-14.000][-3.000]
+[16.000][2.000][-2.000]
+[-7.000][-29.000][9.000]
+                --Matirx Prorgam--
+1. Input new matricies
+2. Multiply matricies
+3. Add matricies
+4. Exit Program
+
+Input your choice: 4
+Exiting program...
+C:\Users\jakno\source\repos\CST116\project3\Debug\project3.exe (process 13744) exited with code 0.
+Press any key to close this window . . .
diff --git a/project3/project3.cpp b/project3/project3.cpp
new file mode 100644
index 0000000..6c5ca59
--- /dev/null
+++ b/project3/project3.cpp
@@ -0,0 +1,182 @@
+// project3.cpp : This file contains the 'main' function. Program execution begins and ends there.
+//
+//Written by Jacob Knox: [email protected]
+
+#include <iostream>
+#include <string>
+#include <iomanip>
+#include "project3.h"
+
+using namespace std;
+
+int main()
+{
+    float m1[MATRIX_SIZE][MATRIX_SIZE], m2[MATRIX_SIZE][MATRIX_SIZE];
+    int choice = 0;
+
+    //make sure you have matricies before giving options
+    getMatricies(m1, m2);
+    menu(choice, m1, m2);
+}
+
+void menu(int choice, float m1[MATRIX_SIZE][MATRIX_SIZE], float m2[MATRIX_SIZE][MATRIX_SIZE])
+{
+    string menu = "\t\t--Matirx Prorgam--\n\
+1. Input new matricies\n\
+2. Multiply matricies\n\
+3. Add matricies\n\
+4. Exit Program\n\n\
+Input your choice: ";
+
+    //choice == 4 means quit and retturn to main
+    //main program loop
+    while (choice != 4)
+    {
+        choice = readInt(menu, "Error please input an integer 1-4.\n");
+
+        switch (choice)
+        {
+        case 1:
+            getMatricies(m1, m2);
+            break;
+        case 2:
+            multiplyMatrix(m1, m2);
+            break;
+        case 3:
+            addMatrix(m1, m2);
+            break;
+        case 4:
+            cout << "Exiting program...";
+            break;
+        default:
+            cout << "Error unknown choice " << choice << ". Please try again.";
+            break;
+        }
+    }
+}
+
+//reads two matricies from user
+void getMatricies(float m1[MATRIX_SIZE][MATRIX_SIZE], float m2[MATRIX_SIZE][MATRIX_SIZE])
+{
+    cout << "Input the values for the first matrix:\n";
+    getMatrix(m1);
+
+    cout << "Input the values for the second matrix:\n";
+    getMatrix(m2);
+}
+
+// reads all the values for a single matrix 
+void getMatrix(float mat[MATRIX_SIZE][MATRIX_SIZE])
+{ 
+    for (int x = 0; x < MATRIX_SIZE; x++)
+    {
+        for (int y = 0; y < MATRIX_SIZE; y++)
+        {
+            mat[x][y] = readFloat("Input the matrix value at " + to_string(x+1) + ", " + to_string(y+1) + ": ", "Error invalid value. Please input a float.\n");
+        }
+    }
+}
+
+// adds matrix 1 and 2 and shows result
+void addMatrix(float m1[MATRIX_SIZE][MATRIX_SIZE], float m2[MATRIX_SIZE][MATRIX_SIZE])
+{
+    float result[MATRIX_SIZE][MATRIX_SIZE];
+    
+    for (int x = 0; x < MATRIX_SIZE; x++)
+    {
+        for (int y = 0; y < MATRIX_SIZE; y++)
+        {
+            //adding matrix is adding each spot to corresponding spot in result
+            result[x][y] = m1[x][y] + m2[x][y];
+        }
+    }
+
+    cout << "The result of adding\n";
+    printMatrix(m1);
+    cout << "with\n";
+    printMatrix(m2);
+    cout << "is:\n";
+    printMatrix(result);
+}
+
+//multiplies thw two matrices 
+void multiplyMatrix(float m1[MATRIX_SIZE][MATRIX_SIZE], float m2[MATRIX_SIZE][MATRIX_SIZE])
+{
+    float result[MATRIX_SIZE][MATRIX_SIZE];
+
+    for (int x = 0; x < MATRIX_SIZE; x++)
+    {
+        for (int y = 0; y < MATRIX_SIZE; y++)
+        {
+            //result for a specific spot is the dot product of that spot in the two matrices
+            result[x][y] = calulateDotProduct(x, y, m1, m2);
+        }
+    }
+
+    cout << "The result of multiplying\n";
+    printMatrix(m1);
+    cout << "with\n";
+    printMatrix(m2);
+    cout << "is:\n";
+    printMatrix(result);
+}
+
+//dot product is multiplying the corresponding values in one matrix collunm/ row and adding the results of that
+float calulateDotProduct(int x, int y, float m1[MATRIX_SIZE][MATRIX_SIZE], float m2[MATRIX_SIZE][MATRIX_SIZE])
+{
+    float product = 0;
+
+    for (int i = 0; i < MATRIX_SIZE; i++)
+    {
+        product += m1[x][i]*m2[i][y];
+    }
+    return product;
+}
+
+//reads an int from the user, will output error if it fails and repeat asking until it gets a good answer
+int readInt(const std::string& question, const std::string& error)
+{
+    int value;
+
+    cout << question;
+    while (!(cin >> value))
+    {
+        cin.clear();
+        while (cin.get() != '\n') continue;
+        cout << error;
+        cout << question;
+    }
+
+    return value;
+}
+
+//reads an float from the user, will output error if it fails and repeat asking until it gets a good answer
+float readFloat(const std::string& question, const std::string& error)
+{
+    float value;
+
+    cout << question;
+    while (!(cin >> value))
+    {
+        cin.clear();
+        while (cin.get() != '\n') continue;
+        cout << error;
+        cout << question;
+    }
+
+    return value;
+}
+
+//prints a matrix by looping over it and formatting appropiately
+void printMatrix(float mat[MATRIX_SIZE][MATRIX_SIZE])
+{
+    for (int x = 0; x < MATRIX_SIZE; x++)
+    {
+        for (int y = 0; y < MATRIX_SIZE; y++)
+        {
+            cout << setprecision(3) << fixed << "[" << mat[x][y] << "]";
+        }
+
+        cout << endl;
+    }
+}
\ No newline at end of file
diff --git a/project3/project3.h b/project3/project3.h
new file mode 100644
index 0000000..4215a38
--- /dev/null
+++ b/project3/project3.h
@@ -0,0 +1,22 @@
+#pragma once
+#include <string>
+
+const int MATRIX_SIZE = 3;
+
+void menu(int choice, float m1[MATRIX_SIZE][MATRIX_SIZE], float m2[MATRIX_SIZE][MATRIX_SIZE]);
+
+void getMatricies(float m1[MATRIX_SIZE][MATRIX_SIZE], float m2[MATRIX_SIZE][MATRIX_SIZE]);
+
+void getMatrix(float mat[MATRIX_SIZE][MATRIX_SIZE]);
+
+void addMatrix(float m1[MATRIX_SIZE][MATRIX_SIZE], float m2[MATRIX_SIZE][MATRIX_SIZE]);
+
+void multiplyMatrix(float m1[MATRIX_SIZE][MATRIX_SIZE], float m2[MATRIX_SIZE][MATRIX_SIZE]);
+
+float calulateDotProduct(int x, int y, float m1[MATRIX_SIZE][MATRIX_SIZE], float m2[MATRIX_SIZE][MATRIX_SIZE]);
+
+int readInt(const std::string& question, const std::string& error);
+
+float readFloat(const std::string& question, const std::string& error);
+
+void printMatrix(float mat[MATRIX_SIZE][MATRIX_SIZE]);
diff --git a/project3/project3.sln b/project3/project3.sln
new file mode 100644
index 0000000..5b827cb
--- /dev/null
+++ b/project3/project3.sln
@@ -0,0 +1,31 @@
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+EndProject
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+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
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+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {CE0775C3-3E79-4704-A754-22E6F627BDA0}
+	EndGlobalSection
+EndGlobal
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+</Project>
\ No newline at end of file
diff --git a/project3/pseuodocode.txt b/project3/pseuodocode.txt
new file mode 100644
index 0000000..e01085b
--- /dev/null
+++ b/project3/pseuodocode.txt
@@ -0,0 +1,80 @@
+main:
+	m1 = [][]
+	m2 = [][]
+	int choice = 0;
+	getMatricies(m1, m2);
+	menu(choice, m1, m2);
+
+menu(choice, m1, m2)
+	while choice != 4
+		choice = readInt(menu, error message)
+
+		switch 
+			1:
+				getMatrices(m1, m2)
+			2:
+				multiply(m1, m2)
+			3:
+				add(m1, m2)
+			4: 
+				outout exit message
+			defualt:
+				error try again
+
+getMatricies(&m1, &m2)
+	getMatrix(m1)
+	getMatrix(m2)
+
+
+getMatrix(&m)
+	for (x 0-2)
+		for (y 0-2)
+			m[x][y] = readfloat(input value for x, y; error message)
+
+readInt(question, error)
+	int value
+	ouptut question
+	read input to value
+	while cin error
+		ouptut error
+		output question
+		read input -> value
+	return value
+
+readFloat(question, error)
+	float value
+	ouptut question
+	read input to value
+	while cin error
+		ouptut error
+		output question
+		read input -> value
+	return value
+
+printMatrix(m)
+	for (x 0-2)
+		for (y 0-2)
+			output m[x][y]
+		newline
+
+add(m1, m2)
+	result = [][]
+	for x 0-2
+		for y 0-2
+			result[x][y] = m1[x][y] + m2[x][y]
+
+	printMatrix(result)
+
+multiply(m1, m2)
+	result = [][]
+	for x 0-2
+		for y 0-2
+			result[x][y] = dotproduct(x, y, m1, m2)
+
+	printMatrix(result)
+
+dotproduct(x, y, m1, m2)
+	product = 0
+	for i 0-2
+		product += m1[x][i] * m2[i][y]
+	return product