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Small simplification in scale_by_game_phase()

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No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2011-04-17 10:31:26 +01:00
parent 076b62310e
commit 068561f86a
1 changed files with 1 additions and 3 deletions
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4
src/evaluate.cpp
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@ -1156,9 +1156,7 @@ namespace {
assert(eg_value(v) > -VALUE_INFINITE && eg_value(v) < VALUE_INFINITE); assert(eg_value(v) > -VALUE_INFINITE && eg_value(v) < VALUE_INFINITE);
assert(ph >= PHASE_ENDGAME && ph <= PHASE_MIDGAME); assert(ph >= PHASE_ENDGAME && ph <= PHASE_MIDGAME);
Value eg = eg_value(v); int ev = (eg_value(v) * int(sf)) / SCALE_FACTOR_NORMAL;
Value ev = Value((eg * int(sf)) / SCALE_FACTOR_NORMAL);
int result = (mg_value(v) * int(ph) + ev * int(128 - ph)) / 128; int result = (mg_value(v) * int(ph) + ev * int(128 - ph)) / 128;
return Value((result + GrainSize / 2) & ~(GrainSize - 1)); return Value((result + GrainSize / 2) & ~(GrainSize - 1));
} }