KFitError.h

/**************************************************************************
 * basf2 (Belle II Analysis Software Framework)                           *
 * Author: The Belle II Collaboration                                     *
 * External Contributor: J. Tanaka                                        *
 *                                                                        *
 * See git log for contributors and copyright holders.                    *
 * This file is licensed under LGPL-3.0, see LICENSE.md.                  *
 **************************************************************************/
 
#pragma once
 
#include <stdio.h>
 
#include <framework/logging/Logger.h>
 
 
namespace Belle2 {
 
  namespace analysis {

    class KFitError {
    public:
      enum ECode {
        kNoError                 =  0,

        kNotFittedYet            =  1,

        kOutOfRange              = 11,
        kUnimplemented           = 12,

        kBadTrackSize            = 21,
        kBadMatrixSize           = 22,
        kBadCorrelationSize      = 23,
        kBadInitialCHIsq         = 24,

        kDivisionByZero          = 31,
        kCannotGetMatrixInverse  = 32,
        kCannotGetARCSIN         = 33,
      };
 
 
    public:
      static void displayError(const char* file, const int line, const char* func, const enum ECode code)
      {
        const char* str_error =
          code == kNoError                ? "No error" :
          code == kNotFittedYet           ? "Not fitted yet" :
          code == kOutOfRange             ? "Out of range" :
          code == kBadTrackSize           ? "Bad track count" :
          code == kBadMatrixSize          ? "Bad matrix size" :
          code == kBadCorrelationSize     ? "Bad correlation size" :
          code == kBadInitialCHIsq        ? "Bad initial chisq" :
          code == kDivisionByZero         ? "Division by zero" :
          code == kCannotGetMatrixInverse ? "Cannot calculate matrix inverse" :
          code == kCannotGetARCSIN        ? "Cannot calculate arcsin" :
          "Unknown error";
 
        char buf[1024];
        sprintf(buf, "%s:%d:%s(): %s", file, line, func, str_error);
        B2WARNING(buf);
      }
    };
 
  } // namespace analysis

} // namespace Belle2