mp_units::utility::atan2

Two-argument arc tangent (result in radians)

Synopsis

Declared in <mp-units/utility/uncertain.h>

[[nodiscard]] constexpr uncertain atan2(uncertain const& lhs, uncertain const& rhs)
  requires requires { atan2(lhs.value(), rhs.value()); } || requires { std::atan2(lhs.value(), rhs.value()); };

Description

NOTE

Assumes independent values. Formula: σf² = ((x·σy)² + (y·σ_x)²) / (x² + y²)²

Return Value

Note

The return value should not be discarded.