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https://github.com/moses-smt/mosesdecoder.git
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85 lines
2.1 KiB
C++
85 lines
2.1 KiB
C++
// $Id$
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/***********************************************************************
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Moses - factored phrase-based language decoder
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Copyright (C) 2006 University of Edinburgh
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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***********************************************************************/
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#include "WordsBitmap.h"
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namespace Moses
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{
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TO_STRING_BODY(WordsBitmap);
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int WordsBitmap::GetFutureCosts(int lastPos) const
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{
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int sum=0;
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bool aim1=0,ai=0,aip1=m_bitmap[0];
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for(size_t i=0; i<m_size; ++i) {
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aim1 = ai;
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ai = aip1;
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aip1 = (i+1==m_size || m_bitmap[i+1]);
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#ifndef NDEBUG
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if( i>0 ) {
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assert( aim1==(i==0||m_bitmap[i-1]==1));
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}
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if( i+1<m_size ) {
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assert( aip1==m_bitmap[i+1]);
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}
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#endif
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if((i==0||aim1)&&ai==0) {
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sum+=abs(lastPos-static_cast<int>(i)+1);
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// sum+=getJumpCosts(lastPos,i,maxJumpWidth);
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}
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// if(sum>1e5) return sum;
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if(i>0 && ai==0 && (i+1==m_size||aip1) )
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lastPos = (int) (i+1);
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}
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// sum+=getJumpCosts(lastPos,as,maxJumpWidth);
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sum+=abs(lastPos-static_cast<int>(m_size)+1); //getCosts(lastPos,as);
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assert(sum>=0);
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// TRACE_ERR(sum<<"\n");
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return sum;
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}
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bool WordsBitmap::IsAdjacent(size_t startPos, size_t endPos) const
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{
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if (GetNumWordsCovered() == 0) {
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return true;
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}
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size_t first = GetFirstGapPos();
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size_t last = GetLastGapPos();
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if (startPos == last || endPos == first) {
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return true;
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}
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return false;
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}
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}
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