Is there an analogue of the decimal data type in C++?

Question

C++ / C#

link to off source in c sharp
The idea is, there is a huge number greater than long double , in python and c sharp this problem was solved by the decimal format how to solve it in c ++?

Answer 1

Use libraries for big/long numbers.

Answer 2

128-bit float
I don’t know if there is such a thing in STL, I didn’t find it on the pluses.