std::vector<unsigned int> RemovedLevelFitnessFunction::removedCountRec(const htd::ITreeDecomposition & decomposition, htd::vertex_t node, double& totalCosts) const {
     std::vector<unsigned int> removedCount(app.getInputInstance()->quantifierCount(), 0);
     // child removals
     for (htd::vertex_t childNode : decomposition.children(node)) {
         std::vector<unsigned int> childRemovedCount = removedCountRec(decomposition, childNode, totalCosts);
         for (unsigned int index = 0; index < childRemovedCount.size(); index++) {
             removedCount.at(index) += childRemovedCount.at(index);
         }
     }
     
     // costs
     double removedWithLowerLevel = 0.0;
     for (htd::vertex_t variable : decomposition.forgottenVertices(node)) {
         unsigned int variableLevel = htd::accessLabel<int>(app.getInputInstance()->hypergraph->vertexLabel("level", app.getInputInstance()->hypergraph->vertexName(variable)));
         for (unsigned int index = 0; index < variableLevel; index++) {
             removedWithLowerLevel += removedCount.at(index);
         }
     }
     totalCosts += removedWithLowerLevel;
     
     // current removals
     for (htd::vertex_t variable : decomposition.forgottenVertices(node)) {
         unsigned int variableLevel = htd::accessLabel<int>(app.getInputInstance()->hypergraph->vertexLabel("level", app.getInputInstance()->hypergraph->vertexName(variable)));
         removedCount.at(variableLevel - 1) += 1;
     }
     return removedCount;
 }
Exemplo n.º 2
0
// ---------------------------------------------------------------------------
// CSdpMediaField::RemoveFormatL
// ---------------------------------------------------------------------------
//
EXPORT_C void CSdpMediaField::RemoveFormatL(const TDesC8& aFormat)
{
    if ( !iFormatList || iFormatList->Des().Length() == 0 )
    {
        User::Leave( KErrSdpCodecMediaField );
    }
    TLex8 lexer( *iFormatList );
    TBool tokenRemoved( EFalse );
    while ( !tokenRemoved && !lexer.Eos() )
    {
        lexer.SkipSpaceAndMark();
        lexer.SkipCharacters();
        if ( lexer.TokenLength() > 0 )
        {
            if ( aFormat.CompareF(lexer.MarkedToken()) == 0)
            {
                RArray<TInt> removedObjs;
                CleanupClosePushL( removedObjs );
                for ( TInt i( 0 ); i < iFmtAttrFields->Count(); i++ )
                {
                    if (aFormat.CompareF((*iFmtAttrFields)[i]->Format()) == 0)
                    {
                        User::LeaveIfError( removedObjs.Append(i) );
                    }
                }
                // Remove all format attributes of type format
                TInt removedCount( 0 );
                while ( removedObjs.Count() > 0 )
                {
                    CSdpFmtAttributeField* obj =
                        (*iFmtAttrFields)[removedObjs[0] - removedCount];
                    delete obj;
                    obj = 0;
                    iFmtAttrFields->Remove( removedObjs[0] - removedCount);
                    removedObjs.Remove(0);
                    removedCount++;
                }
                CleanupStack::PopAndDestroy();  // removedObjs

                // Remove format from format list
                iFormatList->Des().Delete( lexer.MarkedOffset(),
                                           lexer.Offset() - lexer.MarkedOffset());
                iFormatList->Des().TrimAll();
                tokenRemoved = ETrue;
            }
        }
    }
}
Exemplo n.º 3
0
// ---------------------------------------------------------------------------
// CSdpMediaField::KeepFormatL
// ---------------------------------------------------------------------------
//
EXPORT_C void CSdpMediaField::KeepFormatL(const TDesC8& aFormat)
{
    if ( !iFormatList )
    {
        User::Leave( KErrSdpCodecMediaField );
    }
    // Empty set will continue to be empty
    if ( iFormatList->Des().Length() > 0 )
    {
        HBufC8* formatList = aFormat.AllocLC();
        // Mark all format attributes not aFormat so that they will be deleted
        RArray<TInt> removedObjs;
        CleanupClosePushL( removedObjs );
        for ( TInt i( 0 ); i < iFmtAttrFields->Count(); i++ )
        {
            if (aFormat.CompareF((*iFmtAttrFields)[i]->Format()) != 0)
            {
                User::LeaveIfError( removedObjs.Append( i ) );
            }
        }
        // Delete attribute fields
        TInt removedCount( 0 );
        while ( removedObjs.Count() > 0 )
        {
            CSdpFmtAttributeField* obj =
                (*iFmtAttrFields)[removedObjs[0] - removedCount];
            delete obj;
            iFmtAttrFields->Remove( removedObjs[0] - removedCount );
            removedObjs.Remove( 0 );
            removedCount++;
        }
        CleanupStack::PopAndDestroy();  // removedObjs
        // Change format list
        delete iFormatList;
        iFormatList = formatList;
        CleanupStack::Pop();    // formatList
    }
}