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units: Improve precision of angle conversion #18

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units: Improve precision of angle conversion #18

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4 changes: 3 additions & 1 deletion include/boost/units/base_units/angle/degree.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -11,10 +11,12 @@
#ifndef BOOST_UNITS_ANGLE_DEGREE_BASE_UNIT_HPP
#define BOOST_UNITS_ANGLE_DEGREE_BASE_UNIT_HPP

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

#include <boost/units/conversion.hpp>
#include <boost/units/base_units/angle/radian.hpp>

BOOST_UNITS_DEFINE_BASE_UNIT_WITH_CONVERSIONS(angle,degree,"degree","deg",6.28318530718/360.,boost::units::angle::radian_base_unit,-101);
BOOST_UNITS_DEFINE_BASE_UNIT_WITH_CONVERSIONS(angle,degree,"degree","deg",boost::math::constants::degree<double>(),boost::units::angle::radian_base_unit,-101);

#if BOOST_UNITS_HAS_BOOST_TYPEOF

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4 changes: 3 additions & 1 deletion include/boost/units/base_units/angle/gradian.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -11,10 +11,12 @@
#ifndef BOOST_UNITS_ANGLE_GRADIAN_BASE_UNIT_HPP
#define BOOST_UNITS_ANGLE_GRADIAN_BASE_UNIT_HPP

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

#include <boost/units/conversion.hpp>
#include <boost/units/base_units/angle/radian.hpp>

BOOST_UNITS_DEFINE_BASE_UNIT_WITH_CONVERSIONS(angle,gradian,"gradian","grad",6.28318530718/400.,boost::units::angle::radian_base_unit,-102);
BOOST_UNITS_DEFINE_BASE_UNIT_WITH_CONVERSIONS(angle,gradian,"gradian","grad",boost::math::constants::two_pi<double>()/400.0,boost::units::angle::radian_base_unit,-102);

#if BOOST_UNITS_HAS_BOOST_TYPEOF

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