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position: init: refactor

This commit is contained in:
Calcitem 2021-01-02 13:03:34 +08:00
parent 450643a043
commit 1784f39eab
1 changed files with 2 additions and 2 deletions
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4
src/position.cpp
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@ -123,7 +123,7 @@ std::ostream &operator<<(std::ostream &os, const Position &pos)
| X - X - X |
|/ | \|
X --- X --- X
*/
*/
#define P(s) PieceToChar(pos.piece_on(Square(s)))
@ -156,7 +156,7 @@ void Position::init()
PRNG rng(1070372);
for (PieceType pt : PieceTypes)
for (Square s = SQ_0; s < SQUARE_NB; ++s)
for (Square s = SQ_BEGIN; s < SQ_END; ++s)
Zobrist::psq[pt][s] = rng.rand<Key>() << Zobrist::KEY_MISC_BIT >> Zobrist::KEY_MISC_BIT;
Zobrist::side = rng.rand<Key>() << Zobrist::KEY_MISC_BIT >> Zobrist::KEY_MISC_BIT;