Graduate

Signed-off-by: Matt Strapp <matt@mattstrapp.net>

9 files changed, 478 insertions, 0 deletions

diff --git a/ee1301/wk6/hw6_directory/strap012_HW6A.cpp b/ee1301/wk6/hw6_directory/strap012_HW6A.cpp
new file mode 100644
index 0000000..ac2b7d0
--- /dev/null
+++ b/ee1301/wk6/hw6_directory/strap012_HW6A.cpp
@@ -0,0 +1,215 @@
+//Matthew Strapp

+//EE1301

+//17 April 2019

+//HW 6A: Dice Class

+#include <iostream>

+#include <cstdlib>

+using namespace std;

+

+const int maxNumDie=50;

+

+int* userInputParser(string s);

+

+class Dice {

+private:

+  int min;

+  int max;

+public:

+  int roll() {

+    return rand() % (max-min+1) + min;

+  };

+  Dice() { //Default constructor for debugging purposes

+      min=1;

+      max=1;

+  }

+  Dice(int gotMin, int gotMax){

+      min = gotMin;

+      max = gotMax;

+  };

+};

+

+int main() {

+    int rounds;

+    Dice die;

+    int roll[maxNumDie];

+    int max=0, min=999999, sum=0, sample=0;

+    double avg;

+    srand(time(NULL)); // DO NOT WRITE THIS LINE AGAIN OR ANYWHERE ELSE

+    cout << "What do you want to roll?  ";

+    string s;

+    getline(cin, s);

+    cout << "How many rounds do you want to roll? ";

+    cin >> rounds;

+    int* pairs = userInputParser(s);

+

+    // This will display the array of die information retrieved from user.

+    // Replace the following code when you submit your solution.

+

+    // pairs is an array with the following format:

+    // {num_dice,

+    //  first_die_start,

+    //  first_die_end,

+    //  second_die_start,

+    //  ... }

+    double numRolls=0;

+    for (int j=0; j<rounds; j++) {

+      int curRoll=0;

+      numRolls+=1;

+      for(int i=1; i < pairs[0]; i+=2) {

+        die = Dice(pairs[i], pairs[i + 1]);

+        roll[i-1] = die.roll();

+        curRoll += roll[i-1];

+      }

+

+      if (curRoll > max) {

+        max = curRoll;

+      }

+      if (curRoll < min) {

+        min = curRoll;

+      }

+      sum+=curRoll;

+      sample=curRoll;

+  }

+  avg = sum / numRolls;

+  cout << "Sample roll: " << sample << endl

+       << "Minimum roll: " << min << endl

+       << "Maximum roll: " << max << endl

+       << "Average roll: " << avg << endl;

+

+}

+

+

+int* userInputParser(string s) {

+    static int dice[2*maxNumDie+1] = {0}; // array format:

+    // {num_dice,

+    //  first_die_start,

+    //  first_die_end,

+    //  second_die_start,

+    //  ... }

+    // max of maxNumDie dice supported

+

+    string data[4*maxNumDie];  // Intermediate storage for parsing input string

+

+    // count how many '+'s or 'd's the  roll[i-1] = die[i-1].roll();re are...

+    int parts = 0;

+    for(unsigned int i=0; i < s.length(); i++)

+    {

+        if(s[i] == 'd' || s[i] == '+')

+        {

+            parts++;

+        }

+    }

+    // ... so we know the number of times to decode values

+

+    int index=0;

+    unsigned d = s.find('d');

+    unsigned p = s.find('+');

+    while(d != static_cast<unsigned>(-1) || p != static_cast<unsigned>(-1))

+    {

+        bool dFirst = d < p;

+        if(dFirst)

+        {

+            string before = s.substr(0,d); // part before the 'd' (should be just one number)

+            // figure out what number is after 'd'

+            int count = 0;

+            bool foundDigit=false;

+            for(int i=0; i< static_cast<signed>(s.length()-d-1); i++)

+            {

+                if(isdigit(s[count+d+1]))

+                {

+                    foundDigit=true;

+                }

+                if(!isdigit(s[count+d+1]) && foundDigit)

+                {

+                    break;

+                }

+                count++;

+            }

+            string after = s.substr(d+1,count); //should be just the number after 'd'

+

+            // store these two parts

+            data[index] = before;

+            data[index+1] = after;

+            index+=2;

+

+

+            // remove this part from the string s

+            s = s.substr(d+count+1); // discard these two parts

+        }

+        else // same idea for the '+'

+        {

+            // figure out what number is after '+'

+            int count = 0;

+            bool foundDigit=false;

+            for(int i=0; i< static_cast<signed>(s.length()-p-1); i++)

+            {

+                if(isdigit(s[count+p+1]))

+                {

+                    foundDigit=true;

+                }

+                if(!isdigit(s[count+p+1]) && foundDigit)

+                {

+                    break;

+                }

+                count++;

+            }

+            string after = s.substr(p+1,count); //should be just the number after '+'

+

+            // store this part

+            data[index] = "+";

+            data[index+1] = after;

+            index+=2;

+

+

+            // remove this part from the string s

+            s = s.substr(p+count+1); // discard these two parts

+        }

+

+        // update d and p for next loop interation

+        d = s.find('d');

+        p = s.find('+');

+

+    }

+

+    // now we need to figure out how many dice there are (as 2d4 is 2 dice)

+    // we will treat "+2" as a die that rolls [2,2]

+    int diceCount = 0;

+    for(int i=0; i < parts*2; i+=2)

+    {

+        if(data[i][0] == '+')

+        {

+            diceCount++;

+        }

+        else

+        {

+            diceCount+=atoi(data[i].c_str());

+        }

+    }

+

+    dice[0] = diceCount*2+1; // put size in first index

+

+    int ind=1; // index for the "dice" array (as not same as data array)

+    for(int i=0; i < parts*2; i+=2)

+    {

+        // if we have a +, add a "Dice" that has a range of 0

+        if(data[i][0] == '+')

+        {

+            dice[ind] = atoi(data[i+1].c_str());

+            dice[ind+1] = atoi(data[i+1].c_str());

+

+            ind+=2;

+        }

+        else // otherwise add however many of the dice requested

+        {

+            for(int j=0; j < atoi(data[i].c_str()); j++)

+            {

+                dice[ind] = 1;

+                dice[ind+1] = atoi(data[i+1].c_str());

+

+                ind += 2;

+            }

+        }

+    }

+

+    return dice;

+}

diff --git a/ee1301/wk6/hw6_directory/strap012_HW6B.cpp b/ee1301/wk6/hw6_directory/strap012_HW6B.cpp
new file mode 100644
index 0000000..17a37fd
--- /dev/null
+++ b/ee1301/wk6/hw6_directory/strap012_HW6B.cpp
@@ -0,0 +1,35 @@
+//Matthew Strapp

+//EE1301

+//17 April 2019

+//HW 6B: Recursion and ff(x)

+#include <iostream>

+

+int ff(int x);

+int main() {

+  int x, y;

+  do {

+    std::cout << "Please enter a value of x: ";

+    std::cin >> x;

+  } while (x<0);

+  std::cout << "Beginning calculation of ff(x)...\n";

+  y = ff(x);

+  std::cout << "Calcuation complete, ff(x) = " << y << std::endl;

+}

+

+// This function either returns 1 when x is one of two recrusive conditions depending on if x is even or odd.

+int ff(int x) {

+  if (x > 1) {

+    if (x%2 == 0) {

+      // x is even

+      std::cout << "Calling ff(" << x/2 << ")\n";

+      return x*ff(x/2);

+    } else {

+      // x is odd but not 1

+      std::cout << "Calling ff(" << x-2 << ")\n";

+      return x*ff(x-2);

+    }

+  } else {

+    // x is 1 (or 0)

+    return 1;

+  }

+}

diff --git a/ee1301/wk6/lab5/Bug.cpp b/ee1301/wk6/lab5/Bug.cpp
new file mode 100644
index 0000000..b4ef154
--- /dev/null
+++ b/ee1301/wk6/lab5/Bug.cpp
@@ -0,0 +1,12 @@
+#include "Bug.hpp"

+

+int main() {

+  Bug buggy(10);

+  buggy.display();

+  buggy.move();

+  buggy.display();

+  buggy.turn();

+  buggy.display();

+  buggy.move();

+  buggy.display();

+}

diff --git a/ee1301/wk6/lab5/Bug.hpp b/ee1301/wk6/lab5/Bug.hpp
new file mode 100644
index 0000000..cc704ab
--- /dev/null
+++ b/ee1301/wk6/lab5/Bug.hpp
@@ -0,0 +1,28 @@
+#include <iostream>

+

+#ifndef BUG_H

+

+#define BUG_H

+class Bug {

+private:

+  int position, dir;

+public:

+  Bug() {

+    position=0;

+    dir=1;

+  }

+  Bug(int pos) {

+    position=pos;

+    dir=1;

+  }

+  void move() {

+    position+=dir;

+  }

+  void turn() {

+    dir*=-1;

+  }

+  void display() {

+    std::cout << "position = " << position << ", direction = " << dir << std::endl;

+  }

+};

+#endif

diff --git a/ee1301/wk6/lab5/momentum.cpp b/ee1301/wk6/lab5/momentum.cpp
new file mode 100644
index 0000000..dfbaeee
--- /dev/null
+++ b/ee1301/wk6/lab5/momentum.cpp
@@ -0,0 +1,28 @@
+#include <iostream>

+

+double momentum (double velocity, double mass);

+

+int main() {

+  double velocity[3];

+  double mass;

+  std::cout << "Please enter velocity (x y z) [m/s]: ";

+  std::cin >> velocity[0] >> velocity[1] >> velocity [2];

+  std::cout << "Please enter mass [kg]: ";

+  std::cin >> mass;

+  

+  double* vector;

+  vector = new double[3];

+  std::cout << "Momentum: <";

+  for (int i=0; i<=2; i++) {

+    vector[i]=momentum(velocity[i], mass);

+    std::cout << vector[i];

+    if ((i<2))

+      std::cout << ",";

+  }

+  delete[] vector;

+  std::cout << ">" << std::endl;

+}

+

+double momentum(double velocity, double mass) {

+  return velocity * mass;

+}
\ No newline at end of file
diff --git a/ee1301/wk6/lab5/strap012_lab5_w_1.cpp b/ee1301/wk6/lab5/strap012_lab5_w_1.cpp
new file mode 100644
index 0000000..9f5e285
--- /dev/null
+++ b/ee1301/wk6/lab5/strap012_lab5_w_1.cpp
@@ -0,0 +1,75 @@
+#include <iostream>

+//#include <time.h>     //Needed if using MinGW

+

+class DeckOfCards {

+private:

+  int index=0, deck[52];

+public:

+  DeckOfCards();

+  void shuffle();

+  int dealCard();

+};

+

+void showHand(int hand[], const int size);

+int main() {

+  srand(time(NULL));

+  const int size=4;   //Size can be changed for larger hands

+  DeckOfCards deck;

+  int hand[size];

+  for (int i=0; i<13; i++) {

+    for (int j=0; j<size; j++) {

+      hand[j]=deck.dealCard();

+    }

+    showHand(hand, size);

+  }

+}

+

+//Prints out hand shuffled from before

+void showHand(int hand[], const int size) {

+  for (int i=0; i<size; i++) {

+  //Switch case needed for showing face cards and aces

+    switch(hand[i]%13) {

+      case 0: std::cout << 'A';

+        break;

+      case 10: std::cout << 'J';

+        break;

+      case 11: std::cout << 'Q';

+        break;

+      case 12: std::cout << 'K';

+        break;

+      default: std::cout << hand[i]%13+1;

+    }

+    std::cout << " ";

+  }

+  std::cout << std::endl;

+}

+

+//Deck initialized with 1-52 and shuffled

+DeckOfCards::DeckOfCards() {

+  for(int i=0; i<51; i++) {

+    deck[i]=i+1;

+  }

+  shuffle();

+}

+

+//Implementation of Knuth Shuffle

+void DeckOfCards::shuffle() {

+  int j=0, temp=0;

+  for (int i=50; i>1; i--) {

+    j = rand() % 50 + 1;

+    if (j < i) {

+      temp=deck[i]; deck[i]=deck[j]; deck[j]=temp;

+    }

+  }

+}

+

+//Function to deal the card when asked by grabbing from the deck and shuffling if such card does not exist.

+//Returns the card drawn from the deck

+int DeckOfCards::dealCard() {

+  index++;

+  if (index>=52) {

+    index=0;

+    shuffle();

+  }

+  return deck[index];

+}
\ No newline at end of file
diff --git a/ee1301/wk6/lab5/vectorArray.cpp b/ee1301/wk6/lab5/vectorArray.cpp
new file mode 100644
index 0000000..92d23bd
--- /dev/null
+++ b/ee1301/wk6/lab5/vectorArray.cpp
@@ -0,0 +1,43 @@
+#include <iostream>

+

+double randVec();

+double momentum (double velocity);

+int main() {

+  srand(time(NULL));

+  double sum[3]={0,0,0};

+  double* randVel;  double* momArray;

+  randVel = new double[1000];

+  momArray = new double[1000];

+  for (int i=0; i<1000; i++) {

+    randVel[i]=randVec();

+    momArray[i]=momentum(randVel[i]);

+    int j=i%3;

+    sum[j]+=momArray[i];

+  }

+  std::cout << '<' << sum[0]/1000.0 << ',' <<  sum[1]/1000.0 << ',' << sum[2]/1000.0 << '>' << std::endl;

+  delete[] randVel;

+  delete[] momArray;

+}

+

+

+double randVec() {

+  double vector[3];

+  for (int i=0; i<3; i++) {

+    if (rand()%2+1==1) {

+      vector[i]=rand()%100+1.0;

+    } else {

+      vector[i]=rand()%100*-1.0+1.0;

+    }

+  }

+  return *vector;

+}

+

+double momentum(double velocity) {

+  double mass;

+  if (rand()%2+1==0) {

+    mass=rand()%10+1.0;

+  } else {

+    mass=rand()%10*-1.0+1.0;

+  }

+  return mass*velocity;

+}
\ No newline at end of file
diff --git a/ee1301/wk6/lab5/wUp.cpp b/ee1301/wk6/lab5/wUp.cpp
new file mode 100644
index 0000000..0cb3957
--- /dev/null
+++ b/ee1301/wk6/lab5/wUp.cpp
@@ -0,0 +1,27 @@
+#include <iostream>

+using namespace std;

+

+class Point

+{

+   public:

+void showPoint( );

+Point( );

+Point(int newX, int newY) {

+	xlocation = newX;

+	ylocation = newY;

+}

+int	xlocation;

+int ylocation;

+} ;

+

+

+int main() {

+  int a(1);

+  int b(2);

+  int *p1;

+  p1 = &a;

+  Point *p2 = new Point(*p1, b);

+  *p1 = p2->ylocation;

+  p2->xlocation = 10;

+  cout << p2->xlocation << ' ' << *p1 << ' ' << b << ' ' << a << endl;

+}
\ No newline at end of file
diff --git a/ee1301/wk6/lab5/warmup.txt b/ee1301/wk6/lab5/warmup.txt
new file mode 100644
index 0000000..e18288c
--- /dev/null
+++ b/ee1301/wk6/lab5/warmup.txt
@@ -0,0 +1,15 @@
+1)

+  a. Line 5 constructs the class with no values.

+  b. It'll work, but it might not work well.

+  c. No.

+  d. Point(int newX, int newY);

+2)

+  a. This changes the value xlocation and ylocation in the Point class to 3 and 10 respectively.

+      This changes the default values.

+  b. The object p1 of the class Point is initialized with an xlocation of 3 and a ylocation of 6.

+  c. The declaration is incorrect.

+  d. Line 6 is a function of return type Point with no input.

+  e. Point p2;

+3)

+  a. 10 2 2 2

+  b. The array is not deleted (memory leak)