crawl-ref/source/bitary.h

   1 /*
   2  *  File:         bitary.h
   3  *  Summary:      Bit array data type.
   4  *  Created by:   Robert Vollmert
   5  *
   6  * Just contains the operations required by los.cc
   7  * for the moment.
   8  */
   9
  10 #ifndef BITARY_H
  11 #define BITARY_H
  12
  13 class bit_array
  14 {
  15 public:
  16     bit_array(unsigned long size = 0);
  17     ~bit_array();
  18
  19     void reset();
  20
  21     bool get(unsigned long index) const;
  22     void set(unsigned long index, bool value = true);
  23
  24     bit_array& operator |= (const bit_array& other);
  25     bit_array& operator &= (const bit_array& other);
  26     bit_array  operator & (const bit_array& other) const;
  27
  28 protected:
  29     unsigned long size;
  30     int nwords;
  31     unsigned long *data;
  32 };
  33
  34 #endif