How does this compare to Boost.Multiprecision, which works well with Boost.Math?
https://www.boost.org/doc/libs/1_86_0/libs/multiprecision/do...
https://www.boost.org/doc/libs/1_86_0/libs/multiprecision/do...
https://www.boost.org/doc/libs/1_86_0/libs/multiprecision/do...
https://www.boost.org/doc/libs/1_86_0/libs/multiprecision/do...