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/*
EGYPT Toolkit for Statistical Machine Translation
Written by Yaser Al-Onaizan, Jan Curin, Michael Jahr, Kevin Knight, John Lafferty, Dan Melamed, David Purdy, Franz Och, Noah Smith, and David Yarowsky.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
USA.
*/
/* Perplexity.cc
* =============
* Mike Jahr, 7/21/99
* Machine Translation group, WS99
* Center for Language and Speech Processing
*
* Last Modified by: Yaser Al-Onaizan, August 17, 1999
*
* Simple class used to calculate cross entropy and perplexity
* of models.
*/
#include "Perplexity.h"
void Perplexity::record(string model){
modelid.push_back(model);
perp.push_back(perplexity());
ce.push_back(cross_entropy());
}
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