**r8but_test**,
a FORTRAN90 code which
calls r8but(), which
carries out some basic linear algebra operations on R8BUT matrices
(real 64 bit precision band upper triangular format).

The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.

r8but, a FORTRAN90 code which carries out some basic linear algebra operations on R8BUT matrices (real 64 bit precision band upper triangular format).

- r8but_test.f90, calls all the tests.
- r8but_test.sh, runs all the tests.
- r8but_test.txt, the output file.