40#if !defined(DISABLE_PREDEFINED_UNITS) || \
41 defined(ENABLE_PREDEFINED_SUBSTANCE_UNITS)
48using namespace substance;
#define UNIT_ADD_CATEGORY_TRAIT(unitCategory)
Macro to create the is_category_unit type trait.
Definition: base.h:381
Unit Conversion Library namespace.
Definition: angle.h:31
unit< std::ratio< 1, 180 >, radians, std::ratio< 1 > > UNIT_ADD(angle, arcsecond, arcseconds, arcsec, unit< std::ratio< 1, 60 >, arcminutes >) using namespace angle
Class representing SI base unit types.
Definition: base.h:769
Type representing an arbitrary unit.
Definition: base.h:896