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Function BOOST_UNITS_PHYSICAL_CONSTANT

boost::units::si::constants::codata::BOOST_UNITS_PHYSICAL_CONSTANT — CODATA recommended values of the fundamental physical constants: NIST SP 961.

Synopsis

// In header: <boost/units/systems/si/codata/atomic-nuclear_constants.hpp>


 BOOST_UNITS_PHYSICAL_CONSTANT(alpha, quantity< dimensionless >, 
                               7.2973525376e-3 * dimensionless, 
                               5.0e-12 * dimensionless);

Description

fine structure constant


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