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remove simple eval

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No longer needed after the removal of smallnet.

Also remove declaration of `use_smallnet()`.

closes https://github.com/official-stockfish/Stockfish/pull/6799

No functional change
This commit is contained in:
Robert Nurnberg
2026-05-10 11:44:38 +02:00
committed by Joost VandeVondele
parent fcbd160d26
commit ea48d38283
2 changed files with 0 additions and 14 deletions
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src/evaluate.cpp
-12
View File
@@ -36,15 +36,6 @@
namespace Stockfish { namespace Stockfish {
// Returns a static, purely materialistic evaluation of the position from
// the point of view of the side to move. It can be divided by PawnValue to get
// an approximation of the material advantage on the board in terms of pawns.
int Eval::simple_eval(const Position& pos) {
Color c = pos.side_to_move();
return PawnValue * (pos.count<PAWN>(c) - pos.count<PAWN>(~c)) + pos.non_pawn_material(c)
- pos.non_pawn_material(~c);
}
// Evaluate is the evaluator for the outer world. It returns a static evaluation // Evaluate is the evaluator for the outer world. It returns a static evaluation
// of the position from the point of view of the side to move. // of the position from the point of view of the side to move.
Value Eval::evaluate(const Eval::NNUE::Network& network, Value Eval::evaluate(const Eval::NNUE::Network& network,
@@ -100,9 +91,6 @@ std::string Eval::trace(Position& pos, const Eval::NNUE::Network& network) {
v = pos.side_to_move() == WHITE ? v : -v; v = pos.side_to_move() == WHITE ? v : -v;
ss << "NNUE evaluation " << 0.01 * UCIEngine::to_cp(v, pos) << " (white side)\n"; ss << "NNUE evaluation " << 0.01 * UCIEngine::to_cp(v, pos) << " (white side)\n";
ss << "SimpleEval " << simple_eval(pos)
<< " (side to move, internal units)\n\n";
v = evaluate(network, pos, *accumulators, *caches, VALUE_ZERO); v = evaluate(network, pos, *accumulators, *caches, VALUE_ZERO);
v = pos.side_to_move() == WHITE ? v : -v; v = pos.side_to_move() == WHITE ? v : -v;
src/evaluate.h
-2
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@@ -43,8 +43,6 @@ class AccumulatorStack;
std::string trace(Position& pos, const Eval::NNUE::Network& network); std::string trace(Position& pos, const Eval::NNUE::Network& network);
int simple_eval(const Position& pos);
bool use_smallnet(const Position& pos);
Value evaluate(const NNUE::Network& network, Value evaluate(const NNUE::Network& network,
const Position& pos, const Position& pos,
Eval::NNUE::AccumulatorStack& accumulators, Eval::NNUE::AccumulatorStack& accumulators,