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Simplify a condition in is_KXK()

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Marco Costalba
2014-06-19 15:44:42 +02:00
parent 55a3e0af8d
commit 264c8637a3
1 changed files with 1 additions and 2 deletions
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3
src/material.cpp
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@@ -66,8 +66,7 @@ namespace {
// Helper templates used to detect a given material distribution // Helper templates used to detect a given material distribution
template<Color Us> bool is_KXK(const Position& pos) { template<Color Us> bool is_KXK(const Position& pos) {
const Color Them = (Us == WHITE ? BLACK : WHITE); const Color Them = (Us == WHITE ? BLACK : WHITE);
return !pos.count<PAWN>(Them) return !more_than_one(pos.pieces(Them))
&& pos.non_pawn_material(Them) == VALUE_ZERO
&& pos.non_pawn_material(Us) >= RookValueMg; && pos.non_pawn_material(Us) >= RookValueMg;
} }