/*! @file
@brief Tests for the Poisson Solver package.

@dir
@brief Contains all non-regression tests for PSolver

@page TESTS Non-regression tests for PSolver
@brief Non-regression tests (PSolver)

The directory tests contains the non-regression tests concerning BigDFT.

The command <tt>make check</tt> performs the series of tests:
- PS_Check.f90
- PS_Exercise.f90
- PS_Program.f90
- PS_StressCheck.f90
- Generalized_PSolver.f90 Test of the generalized Poisson Solver

Test in parallel
----------------

Use the environment variable 'run_parallel' as:
<pre>
export run_parallel='mpirun -np 2'
</pre>
To use a batch system, add a batch file with:
<pre>
export run_parallel=...
make check
</pre>

*/
