time.hpp

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#ifndef EAGINE_UNITS_UNIT_SI_TIME_HPP
#define EAGINE_UNITS_UNIT_SI_TIME_HPP
 
#include "common.hpp"
 
namespace eagine::units {
namespace base {
 
// second
struct second : unit<time, second> {};
 
// minute
using minute = scaled_unit<scales::constant<60>, second>;
 
// hour
using hour = scaled_unit<scales::constant<3600>, second>;
 
// day
using day = scaled_unit<scales::constant<86400>, second>;
 
} // namespace base
 
template <>
struct name_of<base::second> {
    static constexpr const char mp_str[] = "second";
};
template <>
struct symbol_of<base::second> {
    static constexpr const char mp_str[] = "s";
};
 
template <>
struct name_of<base::minute> {
    static constexpr const char mp_str[] = "minute";
};
template <>
struct symbol_of<base::minute> {
    static constexpr const char mp_str[] = "min";
};
 
template <>
struct name_of<base::hour> {
    static constexpr const char mp_str[] = "hour";
};
template <>
struct symbol_of<base::hour> {
    static constexpr const char mp_str[] = "hr";
};
 
template <>
struct name_of<base::day> {
    static constexpr const char mp_str[] = "day";
};
template <>
struct symbol_of<base::day> {
    static constexpr const char mp_str[] = "D";
};
 
// si::base_unit<time>
template <>
struct si::base_unit<base::time> : base::second {};
 
using second = unit<time, si>;
 
// derived
using millisecond =
  make_scaled_base_dim_unit_t<base::scaled_unit<scales::milli, base::second>, si>;
 
using minute = make_scaled_base_dim_unit_t<base::minute, si>;
using hour = make_scaled_base_dim_unit_t<base::hour, si>;
using day = make_scaled_base_dim_unit_t<base::day, si>;
 
} // namespace eagine::units
 
#endif // EAGINE_UNITS_UNIT_SI_TIME_HPP