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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 99 | pmbaty | 1 | /* |
| 2 | Texel - A UCI chess engine. |
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| 3 | Copyright (C) 2012-2013 Peter Österlund, peterosterlund2@gmail.com |
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| 4 | |||
| 5 | This program is free software: you can redistribute it and/or modify |
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| 6 | it under the terms of the GNU General Public License as published by |
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| 7 | the Free Software Foundation, either version 3 of the License, or |
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| 8 | (at your option) any later version. |
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| 9 | |||
| 10 | This program is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 13 | GNU General Public License for more details. |
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| 14 | |||
| 15 | You should have received a copy of the GNU General Public License |
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| 16 | along with this program. If not, see <http://www.gnu.org/licenses/>. |
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| 17 | */ |
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| 18 | |||
| 19 | /* |
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| 20 | * history.cpp |
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| 21 | * |
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| 22 | * Created on: Feb 25, 2012 |
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| 23 | * Author: petero |
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| 24 | */ |
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| 25 | |||
| 26 | #include "history.hpp" |
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| 27 | |||
| 28 | int History::depthTable[] = { |
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| 29 | 0, 1, 6, 19, 42, 56 |
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| 30 | }; |
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| 31 | |||
| 32 | void |
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| 33 | History::init() { |
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| 34 | for (int p = 0; p < Piece::nPieceTypes; p++) { |
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| 35 | for (int sq = 0; sq < 64; sq++) { |
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| 36 | Entry& e = ht[p][sq]; |
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| 37 | e.countSuccess = 0; |
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| 38 | e.countFail = 0; |
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| 39 | e.score = -1; |
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| 40 | } |
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| 41 | } |
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| 42 | } |
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| 43 | |||
| 44 | void |
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| 45 | History::reScale() { |
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| 46 | for (int p = 0; p < Piece::nPieceTypes; p++) { |
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| 47 | for (int sq = 0; sq < 64; sq++) { |
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| 48 | Entry& e = ht[p][sq]; |
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| 49 | e.countSuccess = e.countSuccess / 4; |
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| 50 | e.countFail = e.countFail / 4; |
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| 51 | } |
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| 52 | } |
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| 53 | } |