Methods

• air_density() -> constexpr const T

  Air density.

• water_density() -> constexpr const T

  Sea water density.

• atmospheric_pressure() -> constexpr T

  Sea-level atmospheric pressure.

• pi(T x) -> constexpr const T

  $x\pi$

• pi() -> constexpr const T

  $\pi$

• g() -> constexpr const T

  Gravitational acceleration.