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Simplify Singular Extension condition

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Avoid defining a singly used variable, removes one condition.

passed STC:
LLR: 2.96 (-2.94,2.94) [-3.00,1.00]
Total: 53489 W: 10814 L: 10752 D: 31923
http://tests.stockfishchess.org/tests/view/5ac08a8d0ebc590e9457cd94

Closes https://github.com/official-stockfish/Stockfish/pull/1530

No functional change.
This commit is contained in:
Joost VandeVondele
2018-04-03 00:13:35 +02:00
committed by Stéphane Nicolet
parent e408fd7b10
commit 0cfb653eec
2 changed files with 15 additions and 17 deletions
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8
src/types.h
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@@ -257,10 +257,10 @@ enum Rank : int {
};
/// Score enum stores a middlegame and an endgame value in a single integer
/// (enum). The least significant 16 bits are used to store the endgame value
/// and the upper 16 bits are used to store the middlegame value. Take some
/// care to avoid left-shifting a signed int to avoid undefined behavior.
/// Score enum stores a middlegame and an endgame value in a single integer (enum).
/// The least significant 16 bits are used to store the middlegame value and the
/// upper 16 bits are used to store the endgame value. We have to take care to
/// avoid left-shifting a signed int to avoid undefined behavior.
enum Score : int { SCORE_ZERO };
constexpr Score make_score(int mg, int eg) {