mp_units::floor

Synopses

Declared in <mp-units/math.h>

Computes the largest quantity with integer representation and unit type To with its number not greater than q

template<
    Unit auto To,
    auto R,
    typename Rep>
[[nodiscard]]
constexpr
quantity<detail::clone_reference_with<To>(R), Rep>
floor(quantity<R, Rep> const& q) noexcept
requires requires { q.in(To, truncated); } &&
           ((treat_as_floating_point<Rep> && (requires(Rep v) { floor(v); }
#if MP_UNITS_HOSTED
                                              || requires(Rep v) { std::floor(v); }
#endif
                                              )) ||
            (!treat_as_floating_point<Rep> && requires { representation_values<Rep>::one(); }));

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Computes the largest quantity point with integer representation and unit type To with its number not greater than qp

template<
    Unit auto To,
    auto R,
    auto PO,
    typename Rep>
[[nodiscard]]
constexpr
QuantityPointOf<quantity_point<R, PO, Rep>::quantity_spec> auto
floor(quantity_point<R, PO, Rep> const& qp) noexcept
requires requires { qp.in(To, truncated); } &&
           ((treat_as_floating_point<Rep> && (requires(Rep v) { floor(v); }
#if MP_UNITS_HOSTED
                                              || requires(Rep v) { std::floor(v); }
#endif
                                              )) ||
            (!treat_as_floating_point<Rep> && requires { representation_values<Rep>::one(); }));

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