SumFunc.cc

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// -*- mode:c++;tab-width:2;indent-tabs-mode:t;show-trailing-whitespace:t;rm-trailing-spaces:t -*-
// vi: set ts=2 noet:
//
// (c) Copyright Rosetta Commons Member Institutions.
// (c) This file is part of the Rosetta software suite and is made available under license.
// (c) The Rosetta software is developed by the contributing members of the Rosetta Commons.
// (c) For more information, see http://www.rosettacommons.org. Questions about this can be
// (c) addressed to University of Washington UW TechTransfer, email: license@u.washington.edu.

/// @file src/core/scoring/constraints/SumFunc.cc
/// @brief Weighted constraint function that reweights other constraints
/// by a constant scalar value.
/// @author James Thompson, Greg Taylor


#include <core/scoring/constraints/SumFunc.hh>
#include <core/scoring/constraints/FuncFactory.hh>

#include <core/types.hh>

#include <utility/pointer/ReferenceCount.hh>

// AUTO-REMOVED #include <numeric/angle.functions.hh>
// AUTO-REMOVED #include <basic/Tracer.hh>

// C++ Headers
// AUTO-REMOVED #include <string>

#include <sstream>


namespace core {
namespace scoring {
namespace constraints {

  Real
  SumFunc::func( Real const x ) const {
    Real f( 0.0 );
    for( utility::vector1< FuncOP >::const_iterator it = funcs_.begin(), end = funcs_.end();
          it != end; ++it
    ) {
      f += (*it)->func( x );
    }

    return f;
  }

  Real
  SumFunc::dfunc( Real const x ) const {
    Real df( 0.0 );
    for( utility::vector1< FuncOP >::const_iterator it = funcs_.begin(), end = funcs_.end();
          it != end; ++it
    ) {
      df += (*it)->dfunc( x );
    }

    return df;
  }

  void
  SumFunc::read_data( std::istream& in ) {
    FuncFactory func_factory;
    std::string func_type;

    Size n_funcs( 0 );
    in >> n_funcs;
    if ( in.fail() ) return;

    assert( n_funcs >= 1 );

    for ( Size i = 1; i <= n_funcs; ++i ) {
      in >> func_type;
      FuncOP current_func;

      current_func = func_factory.func_types_[ func_type ]->clone();
      current_func->read_data( in );
      add_func( current_func );
    }
  } // read_data

} // namespace constraints
} // namespace scoring
} // namespace core