当前位置: 首页>>代码示例>>C++>>正文


C++ CoinPackedVector::equivalent方法代码示例

本文整理汇总了C++中CoinPackedVector::equivalent方法的典型用法代码示例。如果您正苦于以下问题:C++ CoinPackedVector::equivalent方法的具体用法?C++ CoinPackedVector::equivalent怎么用?C++ CoinPackedVector::equivalent使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在CoinPackedVector的用法示例。


在下文中一共展示了CoinPackedVector::equivalent方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: eq


//.........这里部分代码省略.........
    assert( remainder.getIndices()[0] == 2);
    assert( remainder.getElements()[0] == 68.0);

    // test liftCoverCut
    CoinPackedVector cut;
    double * rowupper = ekk_rowupper(model);
    double cutRhs = cover.getNumElements() - 1.0;
    kccg.liftCoverCut(b, krow.getNumElements(),
      cover, remainder,
      cut);
    assert ( cut.getNumElements() == 3 );
    assert ( cut.getIndices()[0] == 0 );
    assert ( cut.getIndices()[1] == 1 );
    assert ( cut.getIndices()[2] == 2 );
    assert( cut.getElements()[0] == 1 );
    assert( cut.getElements()[1] == 1 );
    assert( eq(cut.getElements()[2], 0.087719) );
    
    // test liftAndUncomplementAndAdd
    OsiCuts cuts;    
    kccg.liftAndUncomplementAndAdd(*siP.getRowUpper()[0],krow,b,complement,0,
      cover,remainder,cuts);   
    int sizerowcuts = cuts.sizeRowCuts();
    assert ( sizerowcuts== 1 );
    OsiRowCut testRowCut = cuts.rowCut(0);
    CoinPackedVector testRowPV = testRowCut.row(); 
    OsiRowCut sampleRowCut;
    const int sampleSize = 3;
    int sampleCols[sampleSize]={0,1,2};
    double sampleElems[sampleSize]={1.0,-1.0,-0.087719};
    sampleRowCut.setRow(sampleSize,sampleCols,sampleElems);
    sampleRowCut.setLb(-DBL_MAX);
    sampleRowCut.setUb(-0.087719);
    bool equiv =  testRowPV.equivalent(sampleRowCut.row(),CoinRelFltEq(1.0e-05) );
    assert ( equiv );
#endif
    
    // test find PseudoJohnAndEllisCover
    cover.setVector(0,NULL, NULL);
    remainder.setVector(0,NULL,NULL);

    rind = ( siP->getRowSense()[0] == 'N' ) ? 1 : 0;
    int findPJE =  kccg.findPseudoJohnAndEllisCover( rind, krow, 
						     b, xstar, cover, remainder );
    assert( findPJE == 1 );
    assert ( cover.getIndices()[0] == 0 );
    assert ( cover.getIndices()[1] == 2 );
    assert ( cover.getElements()[0] == 161 );    
    assert ( cover.getElements()[1] == 68 );    
    assert ( remainder.getIndices()[0] == 1 );
    assert ( remainder.getElements()[0] == 120 );    
    OsiCuts cuts;    
    kccg.liftAndUncomplementAndAdd((*siP).getRowUpper()[rind],krow,b, complement, rind,
      cover,remainder,cuts);   
    assert (cuts.sizeRowCuts() == 1 );

    OsiRowCut testRowCut = cuts.rowCut(0);
    CoinPackedVector testRowPV = testRowCut.row();


    const int sampleSize = 3;
    int sampleCols[sampleSize]={0,1,2};
    double sampleElems[sampleSize]={1.0, -1.0, -1.0};
    OsiRowCut sampleRowCut;
    sampleRowCut.setRow(sampleSize,sampleCols,sampleElems);
    sampleRowCut.setLb(-COIN_DBL_MAX);
开发者ID:NealCaffrey989,项目名称:CBC,代码行数:67,代码来源:CglKnapsackCoverTest.cpp


注:本文中的CoinPackedVector::equivalent方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。