cdf_normal_inverse_gamma

function cdf_normal_inverse_gamma(x:Real, μ:Real, a2:Real, α:Real, β:Real) -> Real

CDF of a normal inverse-gamma variate.

• x: The variate.
• μ: Mean.
• a2: Variance.
• α: Shape of inverse-gamma on scale.
• β: Scale of inverse-gamma on scale.

Return: the cumulative probability.