ErrCode.h

/**************************************************************************
 * basf2 (Belle II Analysis Software Framework)                           *
 * Author: The Belle II Collaboration                                     *
 * External Contributor: Wouter Hulsbergen                                *
 *                                                                        *
 * See git log for contributors and copyright holders.                    *
 * This file is licensed under LGPL-3.0, see LICENSE.md.                  *
 **************************************************************************/
#pragma once
 
namespace TreeFitter {
 
  class ErrCode {
  public:
    enum Status {success = 0,
                 pocafailure = 1,
                 baddistance = 2,
                 inversionerror = 4,
                 badsetup = 8,
                 divergingconstraint = 16,
                 slowdivergingfit = 32,
                 fastdivergingfit = 64,
                 filtererror = 128,
                 photondimerror = 256,
                 klongdimerror = 512
                } ;
 
    ErrCode() : m_flag(success) {}
 
    explicit ErrCode(Status flag) : m_flag(flag) {}
 
    const ErrCode& operator|=(const ErrCode& rhs)
    {
      m_flag |= rhs.m_flag ; return *this ;
    }
 
    bool operator==(const ErrCode& rhs) const
    {
      return m_flag == rhs.m_flag ;
    }
 
    bool operator==(const ErrCode::Status& rhs) const
    {
      return *this == ErrCode(rhs) ;
    }
 
    void reset() { m_flag = success ; }
 
    bool failure() const { return m_flag != success ; }
 
    unsigned int flag() const { return m_flag ; }
  private:
 
    unsigned int m_flag ;
 
  } ;
}