Random Function Generator

gistfile1.cpp

#include <iostream>
#include <cstdlib>
#include <ctime>
using namespace std;

int main() {
  int a, h, k, b, c, d;

  srand (time(NULL));

  cout << "Parent function: y = |x|" << '\n';
  for(int i = 1; i <= 2; i++)
  {
    do
    {
      a = rand() % 20 - 10;
    } while(a == 0);
    h = rand() % 20 - 10;
    k = rand() % 20 - 10;
  
    cout << "Trans  " << i << ": y = " << a << "|x + (" << -h << ")| + (" << k << ")" << '\n';
  }

  cout << '\n' << "Parent function: y = x^2" << '\n';
  for(int i = 1; i <= 2; i++)
  {
    do
    {
      a = rand() % 20 - 10;
    } while(a == 0);
    h = rand() % 20 - 10;
    k = rand() % 20 - 10;

    cout << "Trans " << i << ": y = " << a << "(x + (" << -h << "))^2 + (" << k << ")" << '\n';
  }

  cout << '\n' << "Parent function: y = sqrt(x)" << '\n';
  for(int i = 1; i <= 2; i++)
  {
    do
    {
      a = rand() % 20 - 10;
    } while(a == 0);
    h = rand() % 20 - 10;
    k = rand() % 20 - 10;

    cout << "Trans " << i << ": y = " << a << " * sqrt(x + (" << h << ")) + (" << k << ")" << '\n';
  }

  cout << '\n' << "Parent function: y = x^3" << '\n';
  for(int i = 1; i <= 2; i++)
  {
    do
    {
      a = rand() % 20 - 10;
    } while(a == 0);
    b = rand() % 20 - 10;
    c = rand() % 20 - 10;
    d = rand() % 20 - 10;

    cout << "Trans " << i << ": y = " << a << "x^3 + (" << b << ")x^2 + (" << c << ")x + (" << d << ")" << '\n';
  }

  cout << '\n' << "Parent function: y = x^(1/3)" << '\n';
  for(int i = 1; i <= 2; i++)
  {
    do
    { 
      a = rand() % 20 - 10;
    } while(a == 0);
    h = rand() % 20 - 10;
    k = rand() % 20 - 10;

    cout << "Trans " << i << ": y = " << a << "(x + (" << -h << "))^(1/3) + (" << k << ")" << '\n';
  }

  cout << '\n' << "Parent function: y = x^x" << '\n';
  for(int i = 1; i <= 2; i++)
  {
    do
    {
      a = rand() % 20 - 10;
    } while(a == 0);
    h = rand() % 20 - 10;
    k = rand() % 20 - 10;

    cout << "Trans " << i << ": y = " << a << "^(x + (" << -h << ")) + (" << k << ")" << '\n';
  }

  return 0;
}