**pppack_test**,
a FORTRAN90 code which
calls pppack() to
evaluate a piecewise polynomial functions, including cubic splines.

pppack, a FORTRAN90 code which computes piecewise polynomial functions, including cubic splines, by Carl deBoor.

- pppack_test.f90, a sample problem.
- pppack_test.sh, runs all the tests.
- pppack_test.txt, the output from the sample problem.