Returns the epsilon of the quantity
Synopsis
Declared in <mp‐units/math.h>
template<
typename Rep,
Reference R>
requires RepresentationOf<Rep, get_quantity_spec(R{})> && requires { std::numeric_limits<Rep>::epsilon(); }
[[deprecated("2.5.0: Use `std::numeric_limits<Quantity>::epsilon()` instead"), nodiscard]]
constexpr
quantity<R{}, Rep>
epsilon(R r) noexcept;|
Warning
|
Deprecated: 2.5.0: Use `std::numeric_limits<Quantity>::epsilon()` instead. Use of this entity is allowed but discouraged. |
Description
The returned value is defined by a std::numeric_limits<typename Q::rep>::epsilon().
Return Value
Quantity The epsilon value for quantity's representation type
|
Note
|
The return value should not be discarded. |
Template Parameters
Name |
Description |
Q |
Quantity type being the base of the operation |
Parameters
Name |
Description |
r |
the reference (unit and quantity spec) to compute the epsilon for |
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