libadolc-dev 2.6.3-3build1 (riscv64 binary) in ubuntu focal

 The ADOLC system automatically calculates exact derivatives of a
 C/C++ function. It uses C++ overloading to record arithmetic
 operations, which it plays back later in various ways to calculate
 the requested values.
 .
 This package contains the development library, header files,
 and user's manual.