Si.hh

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#pragma once

#include <boost/math/constants/constants.hpp>

#include <boost/units/quantity.hpp>
#include <boost/units/systems/si/plane_angle.hpp>
#include <boost/units/systems/si/length.hpp>
#include <boost/units/cmath.hpp>


namespace boca
{

namespace units
{

using Length = boost::units::quantity<boost::units::si::length>;

BOOST_UNITS_STATIC_CONSTANT(meter, boost::units::si::length);
BOOST_UNITS_STATIC_CONSTANT(meters, boost::units::si::length);
BOOST_UNITS_STATIC_CONSTANT(metre, boost::units::si::length);
BOOST_UNITS_STATIC_CONSTANT(metres, boost::units::si::length);

using Angle = boost::units::quantity<boost::units::si::plane_angle>;

using AngleSquare = typename boost::units::multiply_typeof_helper<Angle, Angle>::type;

BOOST_UNITS_STATIC_CONSTANT(radian, boost::units::si::plane_angle);

BOOST_UNITS_STATIC_CONSTANT(radians, boost::units::si::plane_angle);

constexpr double Pi()
{
    return boost::math::constants::pi<double>();
}

constexpr double TwoPi()
{
    return boost::math::constants::two_pi<double>();
}

Angle PiRad();

Angle TwoPiRad();

Angle Restrict(Angle phi);

Angle Wrap(Angle phi);

}

using namespace units;

}