Crate cheb_ineq

Functions

• cheb_cdf
  k < 0 => maximum mass under k k > 0 => minimum mass under k k = 0 => exact mass under k
• cheb_ineq
  minimum mass within k * σ of μ panics: !k.is_sign_positive()
• cheb_sf
  k < 0 => minimum mass above k k > 0 => maximum mass above k k = 0 => exact mass above k