libflint-arb2 1:2.23.0-1build1 (s390x binary) in ubuntu mantic

 FLINT-ARB is a C library for high-performance arbitrary-precision
 floating-point ball (mid-rad interval) arithmetic. It supports complex
 numbers, polynomials, matrices, and evaluation of special functions, all
 with rigorous error bounding.
 .
 This package contains the shared library.