PROGRAM 33


//  FILE NAME:  PROG33.CPP     PROGRAMMER NAME:  ANTHONY F. ORTIZ
//  THIS PROGRAM DEMONSTRATES PASSING A FUNCTION AS A PARAMETER INSIDE OF
//  ANOTHER FUNCTION.

#include 
#include 
#include 
#include 
#include "ourstuff.h"

int makearray (int min, int max, double (*f) (int x), double listd []);
double f (int x);
double min (double listd [], int size);
double smallest (double f, double g);
pause ();

const int max = 100;

int main ()
{
    int sizef, sizeg;
    double listf [max], listg [max];
    decimals (cout, 2);
    clrscr ();
    sizef = makearray (1, 10, f, listf);
    cout << endl << "MIN (F): " << min (listf, sizef);
    pause ();
    clrscr ();
    sizeg = makearray (11, 20, f, listg);
    cout << endl << "MIN (G): " << min (listg, sizeg);
    pause ();
    clrscr ();
    cout << "SMALLEST (F AND G): " << smallest (min (listf, sizef), min (listg, sizeg));
    pause ();
    return 0;
}

makearray (int min, int max, double (*f) (int x), double listd [])
{
    int count2 = 0;
    cout << "HERE ARE THE ELEMENTS OF THE DOUBLE ARRAY: " << endl << endl;
    for (int count = min; count <= max; count++)
    {
        listd [count2] = f (count);
        cout << setw (16) << listd [count2] << endl;
        count2 = count2 + 1;
    }
    return (abs (max - min));
}

double f (int x)
{
    return sqrt (fabs (pow (x, 4) + 5 * pow (x, 3) + 10000));
}

double min (double listd [], int size)
{
    double smallest = listd [0];
    for (int count = 0; count < size; count++)
    {
        if (listd [count] < smallest)
        {
            smallest = listd [count];
        }
    }
    return smallest;
}

double smallest (double f, double g)
{
    if (f > g)
    {
        return g;
    }
    else
    {
        return f;
    }
}

pause ()
{
    cout << endl << endl << "PRESS ENTER KEY TO CONTINUE ..... ";
    getch ();
    return 0;
}

//  FILENAME:  OURSTUFF.H, OURSTUFF.CPP
//  SEE PROGRAM 14.

//  OUTFILE:  PROG33.OUT

HERE ARE THE ELEMENTS OF THE DOUBLE ARRAY:

          100.03
          100.28
          101.07
          102.84
          106.07
          111.25
          118.81
          129.06
          142.15
          158.11

MIN (F): 100.03

PRESS ENTER KEY TO CONTINUE .....

HERE ARE THE ELEMENTS OF THE DOUBLE ARRAY:

          176.91
          198.43
          222.59
          249.27
          278.39
          309.86
          343.64
          379.65
          417.87
          458.26

MIN (G): 176.91

PRESS ENTER KEY TO CONTINUE .....

SMALLEST (F AND G): 100.03

PRESS ENTER KEY TO CONTINUE .....




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