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Introduce enum VALUE_ZERO instead of Value(0)

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No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2010-08-18 17:31:44 +01:00
parent 0e800c527a
commit 94b9c65e09
8 changed files with 39 additions and 33 deletions
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6
src/evaluate.cpp
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@@ -372,8 +372,8 @@ Value do_evaluate(const Position& pos, EvalInfo& ei) {
// colored bishop endgames, and use a lower scale for those
if ( phase < PHASE_MIDGAME
&& pos.opposite_colored_bishops()
&& ( (factor[WHITE] == SCALE_FACTOR_NORMAL && eg_value(ei.value) > Value(0))
|| (factor[BLACK] == SCALE_FACTOR_NORMAL && eg_value(ei.value) < Value(0))))
&& ( (factor[WHITE] == SCALE_FACTOR_NORMAL && eg_value(ei.value) > VALUE_ZERO)
|| (factor[BLACK] == SCALE_FACTOR_NORMAL && eg_value(ei.value) < VALUE_ZERO)))
{
ScaleFactor sf;
@@ -1074,7 +1074,7 @@ namespace {
assert(ph >= PHASE_ENDGAME && ph <= PHASE_MIDGAME);
Value eg = eg_value(v);
ScaleFactor f = sf[eg > Value(0) ? WHITE : BLACK];
ScaleFactor f = sf[eg > VALUE_ZERO ? WHITE : BLACK];
Value ev = Value((eg * int(f)) / SCALE_FACTOR_NORMAL);
int result = (mg_value(v) * int(ph) + ev * int(128 - ph)) / 128;