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Code Issues Releases Wiki Activity

Retire is_upper_bound() and friend

Browse source 
Directly expand in the few places where is called.

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2010-08-19 17:25:08 +01:00
parent 391e176274
commit a952c6bc6d
2 changed files with 5 additions and 13 deletions
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10
src/search.cpp
View file

@ -1179,7 +1179,7 @@ namespace {
&& tte && tte
&& tte->move() && tte->move()
&& !excludedMove // Do not allow recursive singular extension search && !excludedMove // Do not allow recursive singular extension search
&& is_lower_bound(tte->type()) && (tte->type() & VALUE_TYPE_LOWER)
&& tte->depth() >= depth - 3 * ONE_PLY; && tte->depth() >= depth - 3 * ONE_PLY;
// Step 10. Loop through moves // Step 10. Loop through moves
@ -1957,8 +1957,8 @@ namespace {
|| v >= Max(value_mate_in(PLY_MAX), beta) || v >= Max(value_mate_in(PLY_MAX), beta)
|| v < Min(value_mated_in(PLY_MAX), beta)) || v < Min(value_mated_in(PLY_MAX), beta))
&& ( (is_lower_bound(tte->type()) && v >= beta) && ( ((tte->type() & VALUE_TYPE_LOWER) && v >= beta)
|| (is_upper_bound(tte->type()) && v < beta)); || ((tte->type() & VALUE_TYPE_UPPER) && v < beta));
} }
@ -1971,8 +1971,8 @@ namespace {
Value v = value_from_tt(tte->value(), ply); Value v = value_from_tt(tte->value(), ply);
if ( (is_lower_bound(tte->type()) && v >= defaultEval) if ( ((tte->type() & VALUE_TYPE_LOWER) && v >= defaultEval)
|| (is_upper_bound(tte->type()) && v < defaultEval)) || ((tte->type() & VALUE_TYPE_UPPER) && v < defaultEval))
return v; return v;
return defaultEval; return defaultEval;

8
src/value.h
View file

@ -163,12 +163,4 @@ inline Value value_mated_in(int ply) {
return -VALUE_MATE + ply; return -VALUE_MATE + ply;
} }
inline int is_upper_bound(ValueType vt) {
return vt & VALUE_TYPE_UPPER;
}
inline int is_lower_bound(ValueType vt) {
return vt & VALUE_TYPE_LOWER;
}
#endif // !defined(VALUE_H_INCLUDED) #endif // !defined(VALUE_H_INCLUDED)