SVectorAsProperty.h

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* (c) Copyright 1998-2025 CERN for the benefit of the LHCb and ATLAS collaborations *
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* This software is distributed under the terms of the Apache version 2 licence,     *
* copied verbatim in the file "LICENSE".                                            *
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#pragma once
 
#include <Gaudi/Parsers/CommonParsers.h>
#include <Math/SVector.h>
#include <algorithm>
#include <vector>

namespace Gaudi {
  namespace Parsers {
    template <class SCALAR, unsigned int N>
    StatusCode parse( ROOT::Math::SVector<SCALAR, N>& result, std::string_view input ) {
      std::vector<double> tmp;
      StatusCode          sc = parse( tmp, input );
      if ( sc.isFailure() ) { return sc; }
      if ( N != tmp.size() ) { return StatusCode::FAILURE; }
      std::copy( tmp.begin(), tmp.end(), result.begin() );
      return StatusCode::SUCCESS;
    }
  } // namespace Parsers
 
  namespace Utils {
    template <class SCALAR>
    std::ostream& toStream( const SCALAR&, std::ostream& );
    template <class SCALAR, unsigned int N>
    std::ostream& toStream( const ROOT::Math::SVector<SCALAR, N>& obj, std::ostream& s ) {
      s << "( ";
      for ( auto cur = obj.begin(); obj.end() != cur; ++cur ) {
        if ( obj.begin() != cur ) { s << " , "; }
        toStream( *cur, s );
      }
      return s << " )";
    }
  } // namespace Utils
} // namespace Gaudi