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Use score instead of array to evaluate shelter

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This is a non-functional simplification. Instead of an array of values, just use a Score.

STC
LLR: 2.95 (-2.94,2.94) [-3.00,1.00]
Total: 16309 W: 3673 L: 3541 D: 9095
http://tests.stockfishchess.org/tests/view/5d24f3b80ebc5925cf0ceb5b

No functional change
This commit is contained in:
protonspring 2019-07-09 14:03:00 -06:00 • committed by Stéphane Nicolet
parent fa1a2a0667
commit 93349d0dbd
2 changed files with 8 additions and 8 deletions
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12
src/pawns.cpp
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@ -187,7 +187,7 @@ void Entry::evaluate_shelter(const Position& pos, Square ksq, Score& shelter) {
Bitboard ourPawns = b & pos.pieces(Us);
Bitboard theirPawns = b & pos.pieces(Them);
Value bonus[] = { Value(5), Value(5) };
Score bonus = make_score(5, 5);
File center = clamp(file_of(ksq), FILE_B, FILE_G);
for (File f = File(center - 1); f <= File(center + 1); ++f)
@ -199,16 +199,16 @@ void Entry::evaluate_shelter(const Position& pos, Square ksq, Score& shelter) {
Rank theirRank = b ? relative_rank(Us, frontmost_sq(Them, b)) : RANK_1;
int d = std::min(f, ~f);
bonus[MG] += ShelterStrength[d][ourRank];
bonus += make_score(ShelterStrength[d][ourRank], 0);
if (ourRank && (ourRank == theirRank - 1))
bonus[MG] -= 82 * (theirRank == RANK_3), bonus[EG] -= 82 * (theirRank == RANK_3);
bonus -= make_score(82 * (theirRank == RANK_3), 82 * (theirRank == RANK_3));
else
bonus[MG] -= UnblockedStorm[d][theirRank];
bonus -= make_score(UnblockedStorm[d][theirRank], 0);
}
if (bonus[MG] > mg_value(shelter))
shelter = make_score(bonus[MG], bonus[EG]);
if (mg_value(bonus) > mg_value(shelter))
shelter = bonus;
}