mp_units::floor

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

Synopsis

Declared in <mp‐units/math.h>

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.force_in(To); } &&
           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(); }));

Return Value

QuantityPoint The rounded quantity point with unit type To

Note	The return value should not be discarded.

Parameters

Name

Description

QuantityPoint being the base of the operation

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