universal (spack): Universal: a header-only C++ template library for universal number arithmetic 
Keywords: arbitrary-precision|arbitrary-precision-arithmetic|arbitrary-precision-floats|arbitrary-precision-integers|arithmetic|artificial-intelligence|c-plus-plus|digital-signal-processing|embedded-systems|fixed-point-arithmetic|floating-point-arithmetic|half-precision|integer-arithmetic|interval-arithmetic|octa-precision|posit-arithmetic|quad-precision|quarter-precision|rational-arithmetic