The example programs contained in the comments of the original package updated to more modern syntax and to use the updated ODEPACK:

• dlsoda_ex.f90
• dlsodar_ex.f90
• dlsode_ex.f90
• dlsodes_ex.f90
• dlsodi_ex.f90
• dlsodis_ex.f90
• dlsoibt_ex.f90

tested using

• GNU Fortran (Ubuntu 10.3.0-1ubuntu1~20.04) 10.3.0
• nvfortran 21.5-0 LLVM 64-bit target on x86-64 Linux -tp nehalem
• ifort (IFORT) 2021.3.0 20210609

using the commands

fpm test --compiler gfortran --profile release -flag -std=legacy|tee gf.
fpm test --compiler nvfortran --profile release |tee nv.
fpm test --compiler ifort --profile release |tee if.