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fen2pos: no more pos_checkers etc... position.c: pos_check -> pos_ok (bool)

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Bruno Raoult
2024-03-27 12:40:16 +01:00
parent 08ba989170
commit 09afd98971
5 changed files with 32 additions and 19 deletions
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31
src/position.c
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@@ -187,11 +187,30 @@ bitboard_t pos_checkers(const pos_t *pos, const color_t color)
}
/**
* pos_king_pinners_blockers() - set position "pinners" and "blockers".
* pos_set_checkers_pinners_blockers() - calculate checkers, pinners and blockers.
* @pos: &position
*
* set position "pinners" on player-to-play king.
* Set position checkers, pinners and blockers on player-to-play king.
* It should be faster than @pos_checkers + @pos_set_pinners_blockers, as
* some calculation will be done once.
*/
/*
* void pos_set_checkers_pinners_blockers(pos_t *pos)
* {
* bitboard_t b_bb = pos->bb[WHITE][BISHOP] | pos->bb[BLACK][BISHOP];
* bitboard_t r_bb = pos->bb[WHITE][ROOK] | pos->bb[BLACK][ROOK];
* bitboard_t q_bb = pos->bb[WHITE][QUEEN] | pos->bb[BLACK][QUEEN];
*
* /\* find out first piece on every diagonal *\/
*
* }
*/
/**
* pos_set_pinners_blockers() - set position pinners and blockers.
* @pos: &position
*
* set position pinners and blockers on player-to-play king.
*/
void pos_set_pinners_blockers(pos_t *pos)
{
@@ -253,7 +272,7 @@ bitboard_t pos_king_blockers(const pos_t *pos, const color_t color, const bitboa
}
/**
* pos_check() - extensive position consistency check.
* pos_ok() - extensive position consistency check.
* @pos: &position
* @strict: if true, call bug_on() on any error.
*
@@ -278,9 +297,9 @@ bitboard_t pos_king_blockers(const pos_t *pos, const color_t color, const bitboa
* TODO: add more checks:
* - kings attacking each other
*
* @Return: Number of detected error (only if @strict is false).
* @return: (if @strict is false) return true if check is ok, false otherwise.
*/
int pos_check(const pos_t *pos, const bool strict)
bool pos_ok(const pos_t *pos, const bool strict)
{
int n, count = 0, bbcount = 0, error = 0;
bitboard_t tmp;
@@ -324,7 +343,7 @@ int pos_check(const pos_t *pos, const bool strict)
error += warn_on(sq_dist(pos->king[WHITE], pos->king[BLACK]) < 2);
bug_on(strict && error);
return error;
return error? false: true;
}
/**