libdsfmt-19937-1 binary package in Ubuntu Focal arm64

 The double-precision SIMD-oriented Fast Mersenne Twister (dSFMT) is a variant
 of the Mersenne Twister pseudorandom number generator designed for modern CPUs
 with multi-stage pipelining and SIMD instructions. dSFMT directly generates
 IEEE 754 format double-precision floating-point pseudorandom numbers in the
 ranges [1, 2), [0, 1), (0, 1] and (0, 1), and supports various periods from
 2^521-1 to 2^216091-1.
 .
 This package contains a shared version of the library with period 2^19937-1.

Source package