/usr/include/osl/bits/boardMask.h is in libosl-dev 0.8.0-1.4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 | /* boardMask.h
*/
#ifndef OSL_BOARDMASK_H
#define OSL_BOARDMASK_H
#include "osl/basic_type.h"
#include "osl/bits/directionTraits.h"
#include "osl/bits/mask.h"
#include "osl/container.h"
#include <iosfwd>
namespace osl
{
namespace container
{
class BoardMask;
bool operator==(const BoardMask&, const BoardMask&);
std::ostream& operator<<(std::ostream&, const BoardMask&);
/** 11 x 12 */
class BoardMask
{
/** the third one is only for edge */
CArray<unsigned long long,3> contents;
public:
BoardMask() { invalidate(); }
BoardMask(const BoardMask& src) {
contents[0] = src.contents[0];
contents[1] = src.contents[1];
}
BoardMask& operator=(const BoardMask& src) {
if (this != &src) {
contents[0] = src.contents[0];
contents[1] = src.contents[1];
}
return *this;
}
void clear() { contents[0]=contents[1]=0; }
void invalidate() { contents[0] = static_cast<uint64_t>(-1); }
bool isInvalid() const { return contents[0] == static_cast<uint64_t>(-1); }
void set(unsigned int i) {
int j=(i>>6);
contents[j]|=(1ull<<(i&63));
}
void set(Square pos) {
set(index(pos));
}
void reset(unsigned int i) {
int j=(i>>6);
contents[j] &= ~(1ull<<(i&63));
}
void reset(Square pos) { reset(index(pos)); }
bool test(unsigned int i) const {
int j=(i>>6);
return (contents[j]&(1ull<<(i&63)))!=0;
}
bool test(Square pos) const { return test(index(pos)); }
bool anyInRange(const BoardMask& mask) const
{
return (contents[0] & mask.contents[0])
|| (contents[1] & mask.contents[1]);
}
BoardMask& operator|=(const BoardMask& mask)
{
contents[0] |= mask.contents[0];
contents[1] |= mask.contents[1];
return *this;
}
bool any() const
{
assert(! isInvalid());
return contents[0] || contents[1];
}
Square takeOneBit()
{
assert(! isInvalid() && any());
if (contents[0])
return toSquare(BitOp::takeOneBit(contents[0]));
return toSquare(BitOp::takeOneBit(contents[1])+64);
}
static int index(int x,int y){ return x*12+y+1; }
static int index(Square pos) {
int v=pos.index();
return v-((v>>2)&0x3c);
}
template<Direction Dir,Player P>
static int getIndexOffset() {
int blackDx=DirectionTraitsGen<Dir>::blackDx;
int blackDy=DirectionTraitsGen<Dir>::blackDy;
int val=blackDx*12+blackDy;
if(P==BLACK) return val;
else return -val;
}
static Square toSquare(int n) { return Square::makeDirect(n+(((n*21)>>8)<<2)); }
friend bool operator==(const BoardMask&, const BoardMask&);
};
inline const BoardMask operator|(const BoardMask& l, const BoardMask& r)
{
BoardMask result = l;
result |= r;
return result;
}
inline bool operator==(const BoardMask& l, const BoardMask& r)
{
return l.contents[0] == r.contents[0]
&& l.contents[1] == r.contents[1];
}
class BoardMaskTable5x5
{
CArray<BoardMask, Square::SIZE> data;
public:
BoardMaskTable5x5();
/** p中心の5x5 の範囲のbitを立てたもの, centeringなし*/
const BoardMask& mask(Square p) const { return data[p.index()]; }
};
extern const BoardMaskTable5x5 Board_Mask_Table5x5;
class BoardMaskTable3x3
{
CArray<BoardMask, Square::SIZE> data;
public:
BoardMaskTable3x3();
/** p中心の3x3 の範囲のbitを立てたもの, centeringなし*/
const BoardMask& mask(Square p) const { return data[p.index()]; }
};
extern const BoardMaskTable3x3 Board_Mask_Table3x3;
class BoardMaskTable5x3Center
{
CArray<BoardMask, Square::SIZE> data;
public:
BoardMaskTable5x3Center();
/** p中心の5x3 の範囲のbitを立てたもの, centering*/
const BoardMask& mask(Square p) const { return data[p.index()]; }
};
extern const BoardMaskTable5x3Center Board_Mask_Table5x3_Center;
} // namespace container
using container::BoardMask;
using container::Board_Mask_Table5x5;
using container::Board_Mask_Table5x3_Center;
using container::Board_Mask_Table3x3;
} // namespace osl
#endif /* OSL_BOARDMASK_H */
// ;;; Local Variables:
// ;;; mode:c++
// ;;; c-basic-offset:2
// ;;; End:
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