1 // Copywrite David Wolfe, Rob Meyers, Doug Young, Edouard Serban-Schreiber

     2 //     DO NOT DISTRIBUTE WITHOUT PERMISSION OF AN AUTHOR

     3 // See README

     4 

     5 #ifndef BOOLEAN_H

     6 #define BOOLEAN_H

     7 

     8 

     9 #include "assert.h"

    10 typedef int Boolean;

    11 typedef Boolean Direction;

    12 

    13 #define TRUE 1

    14 #define FALSE 0

    15 #define true 1

    16 #define false 0

    17 

    18 

    19 #define HORIZONTAL true

    20 #define VERTICAL false

    21 #define FIRSTPLAY true

    22 

    23 // Use c++ bool as a Boolean type.

    24 

    25 #endif