libghc-math-functions-dev 0.3.1.0-1build1 (amd64 binary) in ubuntu focal

 This library provides implementations of special mathematical
 functions and Chebyshev polynomials. These functions are often
 useful in statistical and numerical computing.
 .
 This package provides a library for the Haskell programming language.
 See http://www.haskell.org/ for more information on Haskell.