Sams Teach Yourself C++ in 21 Days

Special Classes and Functions 519

47: fQuit = true;^15

48: break;

49: }

50: }

51: return 0;

52: }

53:

54: void PrintVals(int x, int y)

55: {

56: cout << “x: “ << x << “ y: “ << y << endl;

57: }

58:

59: void Square (int & rX, int & rY)

60: {

61: rX *= rX;

62: rY *= rY;

63: }

64:

65: void Cube (int & rX, int & rY)

66: {

67: int tmp;

68:

69: tmp = rX;

70: rX *= rX;

71: rX = rX * tmp;

72:

73: tmp = rY;

74: rY *= rY;

75: rY = rY * tmp;

76: }

77:

78: void Swap(int & rX, int & rY)

79: {

80: int temp;

81: temp = rX;

82: rX = rY;

83: rY = temp;

84: }

85:

86: void GetVals (int & rValOne, int & rValTwo)

87: {

88: cout << “New value for ValOne: “;

89: cin >> rValOne;

90: cout << “New value for ValTwo: “;

91: cin >> rValTwo;

92: }

LISTING15.6 continued