CD Actual 14/CDACTUAL.iso/cdactual/demobin/share/program/c/ZPP120.ZIP/DEMO.CPP

C/C++ Source or Header | 1993-02-16 | 5.3 KB | 194 lines

/* -------------------------------------------------------------------- */
/* Z++ Version 1.20                               Last revised 02/15/93 */
/*                                                                      */
/* Complex number class for Turbo C++/Borland C++.                      */
/* Copyright 1992, 1993 by Carl W. Moreland                             */
/*                                                                      */
/* demo.cpp                                                             */
/* -------------------------------------------------------------------- */
/* Test program for the Z++ complex number class.                       */
/* -------------------------------------------------------------------- */

#include <stdio.h>
#include <conio.h>
#include <stdlib.h>
#include "complex.h"

void pause(void);

main()
{
  _setcursortype(_NOCURSOR);
  clrscr();

  cout << "\n\n\n\n\n\n";
  cout << "                                       Z++            \n";
  cout << "                                                      \n";
  cout << "                               Complex number class   \n";
  cout << "                                   Version 1.20       \n";
  cout << "                                                      \n";
  cout << "                             Written by Carl Moreland \n";
  cout << "                                                      \n";
  cout << "                             Hit any key to continue, \n";
  cout << "                                or <Ctrl>C to exit    \n";

  pause();

  complex z1(3,4);
  complex z2 = complex(5,-6);
  complex z3;
  z3 = 10.5;

  cout << "\n";
  cout << "Create some complex numbers:\n\n";
  cout << "complex z1(3,4);\n";
  cout << "complex z2 = complex(5,-6);\n";
  cout << "complex z3;\n";
  cout << "z3 = 10.5;\n\n";

  cout << "The results are:\n\n";
  cout << "z1 = " << z1 << "\n";
  cout << "z2 = " << z2 << "\n";
  cout << "z3 = " << z3 << "\n";
  cout << "\n";
  cout << "complex z2c = conj(z2);\n";
  cout << "The complex conjugate of z2 is " << conj(z2) << "\n";
  cout << "-z2 = " << -z2 << "\n";

  pause();

  cout << "The magnitude and angle of z1, z2, & z3 are:\n\n";
  cout << "mag(z1) = " << mag(z1) << "\n";
  cout << "ang(z1) = " << ang(z1) << " (radians)\n";
  cout << "mag(z2) = " << mag(z2) << "\n";
  cout << "ang(z2) = " << ang(z2) << " (radians)\n";
  cout << "mag(z3) = " << mag(z3) << "\n";
  cout << "ang(z3) = " << ang(z3) << " (radians)\n";
  cout << "\n";

  cout << "Now set the angle mode to degrees:\n";
  Complex.SetArgMode(Z_DEGREES);
  cout << "Complex.SetMode(Z_DEGREES);\n\n";

  cout << "ang(z1) = " << ang(z1) << "°\n";
  cout << "ang(z2) = " << ang(z2) << "°\n";
  cout << "ang(z3) = " << ang(z3) << "°\n";

  Complex.SetArgMode(Z_RADIANS);
  cout << "\nComplex.SetMode(Z_RADIANS);\n";

  pause();

  complex z4 = z1 + z2;
  complex z5 = z1 - z2;
  complex z6 = z1 * z2;
  complex z7 = z1 / z2;

  cout << "Now use some overloaded operators:\n\n";
  cout << "complex z4 = z1 + z2;\n";
  cout << "complex z5 = z1 - z2;\n";
  cout << "complex z6 = z1 * z2;\n";
  cout << "complex z7 = z1 / z2;\n";
  cout << "\n";
  cout << "z4 = " << z4 << "\n";
  cout << "z5 = " << z5 << "\n";
  cout << "z6 = " << z6 << "\n";
  cout << "z7 = " << z7 << "\n";
  cout << "\n";

  pause();

  z4 += z1;
  z5 -= z1;
  z6 *= z1;
  z7 /= z1;

  cout << "More overloaded operators:\n\n";
  cout << "z4 += z1;\n";
  cout << "z5 -= z1;\n";
  cout << "z6 *= z1;\n";
  cout << "z7 /= z1;\n";
  cout << "\n";
  cout << "z4 = " << z4 << "\n";
  cout << "z5 = " << z5 << "\n";
  cout << "z6 = " << z6 << "\n";
  cout << "z7 = " << z7 << "\n";
  cout << "\n";

  Complex.SetPrintMode(Z_LETTER);

  cout << "Complex.SetPrintMode(Z_LETTER);\n";
  cout << "z4 = " << z4 << "\n";
  cout << "z5 = " << z5 << "\n";
  cout << "\n";

  Complex.SetLetter('j');

  cout << "Complex.SetLetter('j');\n";
  cout << "z6 = " << z6 << "\n";
  cout << "z7 = " << z7 << "\n";
  cout << "\n";

  Complex.SetLetter('i');
  cout << "Complex.SetLetter('i');\n";

  pause();

  z4 = sqrt(z1);
  z5 = pow(z1, 1.2);
  z6 = pow(z1, z2);
  z7 = pow(1.2, z1);

  cout << "Overloaded C power functions:\n\n";
  cout << "z4 = sqrt(z1);\n";
  cout << "z5 = pow(z1, 1.2);\n";
  cout << "z6 = pow(z1, z2);\n";
  cout << "z7 = pow(1.2, z1);\n";
  cout << "\n";
  cout << "z4 = " << z4 << "\n";
  cout << "z5 = " << z5 << "\n";
  cout << "z6 = " << z6 << "\n";
  cout << "z7 = " << z7 << "\n";

  pause();

  z4 = sin(z1);
  z5 = cos(z1);
  z6 = exp(z1);
  z7 = log(z1);

  cout << "Overloaded C trig functions:\n\n";
  cout << "z4 = sin(z1);\n";
  cout << "z5 = cos(z1);\n";
  cout << "z6 = exp(z1);\n";
  cout << "z7 = log(z1);\n";
  cout << "\n";
  cout << "z4 = " << z4 << "\n";
  cout << "z5 = " << z5 << "\n";
  cout << "z6 = " << z6 << "\n";
  cout << "z7 = " << z7 << "\n";

  pause();

  cout << "Here are some useful constants that are declared in complex.h:\n\n";
  cout << "Z0   = " << Z0   << "\n";
  cout << "Z1   = " << Z1   << "\n";
  cout << "Zi   = " << Zi   << "\n";
  cout << "Zinf = " << Zinf << "\n";

  pause();

  return 0;
}

void pause(void)
{
  char ch = getch();
  if(!ch)
    getch();
  if(ch == 0x03)
    exit(0);
  clrscr();
  cout << "\n";
}