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refactor: return type constraints improved for quantity and quantity_point

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Mateusz Pusz
2024-03-03 17:33:48 +01:00
parent 95c4ba8ee5
commit a04cc62911
2 changed files with 13 additions and 12 deletions
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21
src/core/include/mp-units/quantity.h
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@@ -176,14 +176,14 @@ public:
// unit conversions
template<UnitCompatibleWith<unit, quantity_spec> U>
requires detail::QuantityConvertibleTo<quantity, quantity<detail::make_reference(quantity_spec, U{}), Rep>>
[[nodiscard]] constexpr Quantity auto in(U) const
[[nodiscard]] constexpr QuantityOf<quantity_spec> auto in(U) const
{
return quantity<detail::make_reference(quantity_spec, U{}), Rep>{*this};
}
template<UnitCompatibleWith<unit, quantity_spec> U>
requires requires(quantity q) { value_cast<U{}>(q); }
[[nodiscard]] constexpr Quantity auto force_in(U) const
[[nodiscard]] constexpr QuantityOf<quantity_spec> auto force_in(U) const
{
return value_cast<U{}>(*this);
}
@@ -251,7 +251,7 @@ public:
}
// member unary operators
[[nodiscard]] constexpr Quantity auto operator+() const
[[nodiscard]] constexpr QuantityOf<quantity_spec> auto operator+() const
requires requires(rep v) {
{
+v
@@ -261,7 +261,7 @@ public:
return ::mp_units::quantity{+numerical_value_is_an_implementation_detail_, reference};
}
[[nodiscard]] constexpr Quantity auto operator-() const
[[nodiscard]] constexpr QuantityOf<quantity_spec> auto operator-() const
requires requires(rep v) {
{
-v
@@ -283,7 +283,7 @@ public:
return std::forward<Q>(q);
}
[[nodiscard]] constexpr Quantity auto operator++(int)
[[nodiscard]] constexpr QuantityOf<quantity_spec> auto operator++(int)
requires requires(rep v) {
{
v++
@@ -305,7 +305,7 @@ public:
return std::forward<Q>(q);
}
[[nodiscard]] constexpr Quantity auto operator--(int)
[[nodiscard]] constexpr QuantityOf<quantity_spec> auto operator--(int)
requires requires(rep v) {
{
v--
@@ -466,7 +466,7 @@ template<auto R1, typename Rep1, auto R2, typename Rep2>
template<auto R, typename Rep, typename Value>
requires(!Quantity<Value>) && (!Reference<Value>) &&
detail::InvokeResultOf<get_quantity_spec(R).character, std::multiplies<>, Rep, const Value&>
[[nodiscard]] constexpr Quantity auto operator*(const quantity<R, Rep>& q, const Value& v)
[[nodiscard]] constexpr QuantityOf<get_quantity_spec(R)> auto operator*(const quantity<R, Rep>& q, const Value& v)
{
return quantity{q.numerical_value_ref_in(get_unit(R)) * v, R};
}
@@ -474,7 +474,7 @@ template<auto R, typename Rep, typename Value>
template<typename Value, auto R, typename Rep>
requires(!Quantity<Value>) && (!Reference<Value>) &&
detail::InvokeResultOf<get_quantity_spec(R).character, std::multiplies<>, const Value&, Rep>
[[nodiscard]] constexpr Quantity auto operator*(const Value& v, const quantity<R, Rep>& q)
[[nodiscard]] constexpr QuantityOf<get_quantity_spec(R)> auto operator*(const Value& v, const quantity<R, Rep>& q)
{
return quantity{v * q.numerical_value_ref_in(get_unit(R)), R};
}
@@ -490,7 +490,7 @@ template<auto R1, typename Rep1, auto R2, typename Rep2>
template<auto R, typename Rep, typename Value>
requires(!Quantity<Value>) && (!Reference<Value>) &&
detail::InvokeResultOf<get_quantity_spec(R).character, std::divides<>, Rep, const Value&>
[[nodiscard]] constexpr Quantity auto operator/(const quantity<R, Rep>& q, const Value& v)
[[nodiscard]] constexpr QuantityOf<get_quantity_spec(R)> auto operator/(const quantity<R, Rep>& q, const Value& v)
{
gsl_ExpectsAudit(v != quantity_values<Value>::zero());
return quantity{q.numerical_value_ref_in(get_unit(R)) / v, R};
@@ -499,7 +499,8 @@ template<auto R, typename Rep, typename Value>
template<typename Value, auto R, typename Rep>
requires(!Quantity<Value>) && (!Reference<Value>) &&
detail::InvokeResultOf<get_quantity_spec(R).character, std::divides<>, const Value&, Rep>
[[nodiscard]] constexpr Quantity auto operator/(const Value& v, const quantity<R, Rep>& q)
[[nodiscard]] constexpr QuantityOf<inverse(get_quantity_spec(R))> auto operator/(const Value& v,
const quantity<R, Rep>& q)
{
return quantity{v / q.numerical_value_ref_in(get_unit(R)), ::mp_units::one / R};
}

4
src/core/include/mp-units/quantity_point.h
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@@ -266,14 +266,14 @@ public:
// unit conversions
template<UnitCompatibleWith<unit, quantity_spec> U>
requires detail::QuantityConvertibleTo<quantity_type, quantity<detail::make_reference(quantity_spec, U{}), Rep>>
[[nodiscard]] constexpr QuantityPoint auto in(U) const
[[nodiscard]] constexpr QuantityPointOf<quantity_spec> auto in(U) const
{
return ::mp_units::quantity_point{quantity_ref_from(PO).in(U{}), PO};
}
template<UnitCompatibleWith<unit, quantity_spec> U>
requires requires(quantity_type q) { value_cast<U{}>(q); }
[[nodiscard]] constexpr QuantityPoint auto force_in(U) const
[[nodiscard]] constexpr QuantityPointOf<quantity_spec> auto force_in(U) const
{
return ::mp_units::quantity_point{quantity_ref_from(PO).force_in(U{}), PO};
}