DispersionConstant.h

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/*
 * MIT License
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 * Copyright (c) 2018 PulsarSearchSoft
 * 
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 * furnished to do so, subject to the following conditions:
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#ifndef PSS_ASTROTYPES_UNITS_DISPERSIONCONSTANT_H
#define PSS_ASTROTYPES_UNITS_DISPERSIONCONSTANT_H

#include "TimeUnits.h"
#include "Frequency.h"
#include "Length.h"
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wall"
#pragma GCC diagnostic ignored "-Wunused-parameter"
#pragma GCC diagnostic ignored "-Wpragmas"
#include <boost/units/quantity.hpp>
#include <boost/units/conversion.hpp>
#include <boost/units/io.hpp>
#include <boost/units/derived_dimension.hpp>
#include <boost/units/physical_dimensions/length.hpp>
#include <boost/units/base_units/astronomical/parsec.hpp>
#include <boost/units/systems/si/prefixes.hpp>
#include <boost/units/systems/cgs/length.hpp>
#pragma GCC diagnostic pop


namespace pss {
namespace astrotypes {
namespace units {
namespace dm_constant {

//typedef boost::units::scaled_base_unit<units::frequency_base_unit, boost::units::scale<10, boost::units::static_rational<6> > > megahertz_base_unit;
typedef boost::units::scaled_base_unit<boost::units::si::frequency::dimension_type, boost::units::scale<10, boost::units::static_rational<6> > > megahertz_base_unit;
// typedef divide_typeof_helper<frequency,electric_potential>::type frequency_over_electric_potential;
typedef boost::units::multiply_typeof_helper<boost::units::si::frequency, boost::units::si::frequency>::type frequency_squared;

namespace s_mhz {

typedef boost::units::derived_dimension<
        megahertz_base_unit,2,
        boost::units::astronomical::parsec_base_unit, -1,
        boost::units::length_base_dimension, 3,
        boost::units::time_base_dimension,1
        >::type DmConstantDimensionType1;
typedef boost::units::unit<DmConstantDimensionType1, boost::units::cgs::system> Unit;


} // namespace s_mhz

namespace ms_mhz {

typedef boost::units::scaled_base_unit<boost::units::si::second_base_unit, boost::units::scale<10, boost::units::static_rational<-3> > > ms_base_unit;

typedef boost::units::derived_dimension<
        megahertz_base_unit,2,
        boost::units::astronomical::parsec_base_unit, -1,
        boost::units::length_base_dimension, 3,
        ms_base_unit,1
        >::type DmConstantDimensionType2;
typedef boost::units::unit<DmConstantDimensionType2, boost::units::cgs::system> Unit;

} // namespace ms_mhz

BOOST_UNITS_STATIC_CONSTANT(s_mhz_squared_cm_cubed_per_pc, s_mhz::Unit);
BOOST_UNITS_STATIC_CONSTANT(ms_mhz_squared_cm_cubed_per_pc, ms_mhz::Unit);

namespace s_mhz {
    static const boost::units::quantity<Unit, double> dm_constant(4.1493775933609e3 * s_mhz_squared_cm_cubed_per_pc);
}

namespace ms_mhz {
    static const boost::units::quantity<Unit, double> dm_constant(4.1493775933609e6 * ms_mhz_squared_cm_cubed_per_pc);
}

} // dm_constant
} // namespace units
} // namespace astrotypes
} // namespace pss

#endif // PSS_ASTROTYPES_UNITS_DISPERSIONCONSTANT_H