//
// Filename:      pgm4_1a.cpp
//
// Description:   Arrays #1
//
// ENSC 104:      Digital Computer Programming
//
// Instructor:    Dr. Walsh
//
// Section:       2
//
// Date Created:  03/28/98
// Last Modified: 03/28/98
//
// Name:          N/A
//

#include <iostream.h>
#include <stdlib.h>
#include <time.h>

const int NUM_ELEMENTS = 10;


main()
   {
   char   c_array[NUM_ELEMENTS];

   int    i_array[NUM_ELEMENTS];
   int    int_min;
   int    int_max;
   int    int_range;

   double d_array[NUM_ELEMENTS];
   double    d_min;
   double    d_max;
   double    d_range;
   
   srand( time( NULL ) );

   //
   // The following block of code randomly generates lower case
   // lettes of the alphabet. Note from page 889 in your text, the
   // ASCII table, the ASCII codes for the characters are 97 to 122.
   // The following code randonly generates an integer between 97
   // and 122 and type casts it to a char.
   //
   cout << "\n\n***** Randomly Generating Characters *****\n\n";
   for( int i=0; i<NUM_ELEMENTS; i++)
      {
      c_array[i] = (char) ( 97 + rand()%26 );
      }
   
   for( i=0; i<NUM_ELEMENTS; i++)
      {
      cout << "\tc_array[" << i << "] = " << c_array[i] << endl;
      }

   // 
   // The following code randomly generates a bunch of integers.
   //
   cout << "\n\n***** Randomly Generating Integers *****\n\n";
   cout << "\tEnter the minimum integer value: ";
   cin >> int_min;

   cout << "\tEnter the maximum integer value: ";
   cin >> int_max;
   cout << endl;
      
   int_range = int_max - int_min;

   for( i=0; i<NUM_ELEMENTS; i++)
      {
      i_array[i] = int_min + rand()%(int_range+1);
      }
   
   for( i=0; i<NUM_ELEMENTS; i++)
      {
      cout << "\ti_array[" << i << "] = " << i_array[i] << endl;
      }

   // 
   // The following code randomly generates a bunch of doubles.
   //
   cout << "\n\n***** Randomly Generating Doubles *****\n\n";
   cout << "\tEnter the minimum double value: ";
   cin >> d_min;

   cout << "\tEnter the maximum double value: ";
   cin >> d_max;
   cout << endl;
      
   d_range = d_max - d_min;

   int_min = d_min * 1000;
   int_max = d_max * 1000;
   int_range = int_max - int_min;

   for( i=0; i<NUM_ELEMENTS; i++)
      {
      int temp = int_min + rand()%(int_range+1);
      d_array[i] = temp/1000.0;
      }
   
   for( i=0; i<NUM_ELEMENTS; i++)
      {
      cout << "\td_array[" << i << "] = " << d_array[i] << endl;
      }
   return 0;
   }