get the high 64 bits from the vector, and if bits were truncated. this is to get the significant digits for the float.

! * Initialize NTLS with dual certificates (signing and encryption) * @param sign_cert_file SM2 signing certificate file path * @param sign_k

export load_service

Get mutable pointer to the data (if available)

clang-format off

parse the significant digits into a big integer

multiply as if by 10 raised to a power.

multiply as if by 5 raised to a power.