X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmaterial.h;h=80d016551113e7bcac6eb03b6c4713bad2d5aac3;hp=ace2552baec406ef30407be0095c5dc049111c65;hb=d5f86b63597fdb25b8c670e42ca468c99ca95a74;hpb=9742fb10fd83e82ad760e4cac5cef3d6dff670ed diff --git a/src/material.h b/src/material.h index ace2552b..80d01655 100644 --- a/src/material.h +++ b/src/material.h @@ -1,7 +1,6 @@ /* Stockfish, a UCI chess playing engine derived from Glaurung 2.1 - Copyright (C) 2004-2008 Tord Romstad (Glaurung author) - Copyright (C) 2008-2016 Marco Costalba, Joona Kiiski, Tord Romstad + Copyright (C) 2004-2020 The Stockfish developers (see AUTHORS file) Stockfish is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -43,23 +42,23 @@ struct Entry { bool specialized_eval_exists() const { return evaluationFunction != nullptr; } Value evaluate(const Position& pos) const { return (*evaluationFunction)(pos); } - // scale_factor takes a position and a color as input and returns a scale factor + // scale_factor() takes a position and a color as input and returns a scale factor // for the given color. We have to provide the position in addition to the color // because the scale factor may also be a function which should be applied to // the position. For instance, in KBP vs K endgames, the scaling function looks // for rook pawns and wrong-colored bishops. ScaleFactor scale_factor(const Position& pos, Color c) const { - return !scalingFunction[c] - || (*scalingFunction[c])(pos) == SCALE_FACTOR_NONE ? ScaleFactor(factor[c]) - : (*scalingFunction[c])(pos); + ScaleFactor sf = scalingFunction[c] ? (*scalingFunction[c])(pos) + : SCALE_FACTOR_NONE; + return sf != SCALE_FACTOR_NONE ? sf : ScaleFactor(factor[c]); } Key key; + const EndgameBase* evaluationFunction; + const EndgameBase* scalingFunction[COLOR_NB]; // Could be one for each + // side (e.g. KPKP, KBPsK) int16_t value; uint8_t factor[COLOR_NB]; - EndgameBase* evaluationFunction; - EndgameBase* scalingFunction[COLOR_NB]; // Could be one for each - // side (e.g. KPKP, KBPsKs) Phase gamePhase; };