#include "space_age.h"

namespace space_age {

#define PLANET_TABLE                \
    X(on_mercury,   0.2408467)      \
    X(on_venus,     0.61519726)     \
    X(on_mars,      1.8808158)      \
    X(on_jupiter,   11.862615)      \
    X(on_saturn,    29.447498)      \
    X(on_uranus,    84.016846)      \
    X(on_neptune,   164.79132)

#define X(a, b)                     \
    double space_age:: a () const   \
    {                               \
        return on_earth() / b;      \
    }

    PLANET_TABLE
#undef X


space_age::space_age(double seconds)
  : seconds_(seconds)
{
}

double space_age::seconds() const
{
    return seconds_;
}

double space_age::on_earth() const
{
    return seconds() / 31557600;
}

}