mp_units::utility::operator-¶
Subtraction of two uncertain values
Synopsis¶
Declared in <mp-units/utility/uncertain.h>
[[nodiscard]] constexpr uncertain operator-(uncertain const& lhs, uncertain const& rhs);Description¶
NOTE
Assumes independent values. Formula: σ² = σx² + σy²
WARNING
For correlated values (e.g., x - x), this will incorrectly give non-zero uncertainty.
Return Value¶
Note
The return value should not be discarded.
Parameters¶
| Name | Description |
|---|---|
| lhs | The left operand |
| rhs | The right operand |