Add Create/Update Method For SRMHeader

yanweiyuan3

2023-08-09 588bc7829387dfc761cc25f06f77d4c81818bd10

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Quintiq file version 2.0
#parent: #root
FunctionOverride CalcSeverity
{
  TextBody:
  [*
    // mlr7 Oct-10-2020 (created)
    value := 0.0;
    if( this.Issue( relsize ) > 0 )
    {
      subOpt := this.Suboptimizer();
      acceptableThreshold := subOpt.AcceptableRollbackThreshold();
      rollbackPercent := subOpt.RollbackPercent();
      issueSeverity := average( this, Issue, i, i.Severity() );
      if( rollbackPercent < acceptableThreshold * 0.5 )
      {
        //keep the severity low while below the threshold
        value := LibOpt_Issue::Severity_2_Low();
      }
      else if( rollbackPercent > acceptableThreshold * 1.5 )
      {
        //set high severity over 1.5 times the acceptable threshold
        value := LibOpt_Issue::Severity_4_High();
      }
      else
      {
        issueSeverity := average( this, Issue, i, i.Severity() );
        ratio := guard( rollbackPercent / acceptableThreshold, 1.0 );
        //bound the severity to LB of Low and UB of High so the piecewise function connects
        value := maxvalue( LibOpt_Issue::Severity_2_Low(), minvalue( LibOpt_Issue::Severity_4_High(), ratio * issueSeverity ) );
      }
    }
    
    this.Severity( value );
  *]
}