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C++ Eval_Point::get_direction方法代码示例

本文整理汇总了C++中nomad::Eval_Point::get_direction方法的典型用法代码示例。如果您正苦于以下问题:C++ Eval_Point::get_direction方法的具体用法?C++ Eval_Point::get_direction怎么用?C++ Eval_Point::get_direction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nomad::Eval_Point的用法示例。


在下文中一共展示了Eval_Point::get_direction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:

/*-----------------------------------------------------------------*/
void NOMAD::Cache::update ( NOMAD::Eval_Point       & cache_x ,
                           const NOMAD::Eval_Point & x         ) const
{
    const NOMAD::Point & bbo_x = x.get_bb_outputs();
    
    if ( &cache_x == &x         ||
        !x.is_eval_ok()        ||
        !cache_x.is_in_cache() ||
        bbo_x.empty()          ||
        cache_x != x              )
        return;
    
    // check the eval types:
    if ( x.get_eval_type      () != _eval_type ||
        cache_x.get_eval_type() != _eval_type    )
        throw NOMAD::Cache::Cache_Error ( "Cache.cpp" , __LINE__ ,
                                         "NOMAD::Cache:update(): problem with the eval. types" );
    
    const NOMAD::Point & bbo_cache_x = cache_x.get_bb_outputs();
    int                  m           = bbo_cache_x.size();
    
    _sizeof -= cache_x.size_of();
    
    // if the current point could not evaluate and x did,
    // or if the number of bb outputs is different, we set cache_x = x:
    if ( !cache_x.is_eval_ok() || m != bbo_x.size() )
    {
        cache_x.set_eval_status ( NOMAD::EVAL_OK     );
        cache_x.set_bb_output   ( bbo_x              );
        cache_x.set_signature   ( x.get_signature () );
        cache_x.set_direction   ( x.get_direction () );
        
        _sizeof += cache_x.size_of();
        return;
    }
    
    // we complete _bb_outputs:
    int c1 = 0;
    int c2 = 0;
    
    for ( int i = 0 ; i < m ; ++i ) {
        
        if ( bbo_cache_x[i].is_defined() )
            ++c1;
        
        if ( bbo_x[i].is_defined() )
            ++c2;
        
        if ( !bbo_cache_x[i].is_defined() && bbo_x[i].is_defined() )
            cache_x.set_bb_output ( i , bbo_x[i] );
    }
    
    // the two points are 'eval_ok' and have comparable outputs:
    // we select the best as the one with the more defined bb_outputs:
    if ( c2 > c1 ) {
        cache_x.set_signature  ( x.get_signature () );
        cache_x.set_direction  ( x.get_direction () );
        
    }
    
    _sizeof += cache_x.size_of();
}
开发者ID:OpenSolver,项目名称:OpenSolverNomadLib,代码行数:63,代码来源:Cache.cpp


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