Adding missing files

src/Solvers/petsc_solver_report_unit_tests.hpp

+/*
+ * petsc_solver_report_unit_tests.hpp
+ *
+ *  Created on: Jun 23, 2017
+ *      Author: i-bird
+ */
+
+#ifndef OPENFPM_NUMERICS_SRC_SOLVERS_PETSC_SOLVER_REPORT_UNIT_TESTS_HPP_
+#define OPENFPM_NUMERICS_SRC_SOLVERS_PETSC_SOLVER_REPORT_UNIT_TESTS_HPP_
+
+
+#include "Grid/grid_dist_id.hpp"
+#include "Matrix/SparseMatrix.hpp"
+#include "Vector/Vector.hpp"
+#include "FiniteDifference/Laplacian.hpp"
+#include "FiniteDifference/FDScheme.hpp"
+#include "Solvers/petsc_solver.hpp"
+#include "petsc_solver_AMG_report.hpp"
+
+struct poisson_nn_helm
+{
+	//! Number of dimansions of the problem
+    static const unsigned int dims = 3;
+
+    //! We have only one scalar unknown
+    static const unsigned int nvar = 1;
+
+    //! specify the boundary conditions
+    static const bool boundary[];
+
+    //! type of the space
+    typedef float stype;
+
+    //! Grid that store the solution
+    typedef grid_dist_id<3,float,aggregate<float>> b_grid;
+
+    //! type of sparse grid that store the Matrix A
+    typedef SparseMatrix<double,int,PETSC_BASE> SparseMatrix_type;
+
+    //! type of vector that store the solution
+    typedef Vector<double,PETSC_BASE> Vector_type;
+
+    //! When the grid is not staggered use NORMAL_GRID
+    static const int grid_type = NORMAL_GRID;
+};
+
+const bool poisson_nn_helm::boundary[] = {PERIODIC,PERIODIC,PERIODIC};
+
+BOOST_AUTO_TEST_SUITE( mg_solvers_report_test )
+
+
+BOOST_AUTO_TEST_CASE( laplacian_3D_int_zero_mg_report )
+{
+	constexpr unsigned int phi = 0;
+	typedef Field<phi,poisson_nn_helm> phi_f;
+
+	Vcluster & v_cl = create_vcluster();
+	if (v_cl.getProcessingUnits() != 3)
+		return;
+
+    Ghost<3,long int> g(2);
+	Ghost<3,long int> stencil_max(2);
+	Box<3,float> domain({0.0,0.0,0.0},{1.0,1.0,1.0});
+
+	periodicity<3> p({PERIODIC,PERIODIC,PERIODIC});
+
+	typedef Lap<phi_f,poisson_nn_helm,CENTRAL_SYM> poisson;
+	grid_dist_id<3,float,aggregate<float>> psi({64,64,64},domain,g,p);
+	grid_dist_id<3,float,aggregate<float>> psi2(psi.getDecomposition(),{64,64,64},g);
+
+	// Fill B
+
+	size_t center_x = psi.size(0) / 2;
+	size_t center_y = psi.size(1) / 2;
+	size_t center_z = psi.size(2) / 2;
+	auto it = psi.getDomainIterator();
+
+	while (it.isNext())
+	{
+		auto key = it.get();
+		auto gkey = it.getGKey(key);
+
+		float sx = (float)(gkey.get(0))-center_x;
+		float sy = (float)(gkey.get(1))-center_y;
+		float sz = (float)(gkey.get(2))-center_z;
+
+		float gs = 100.0*exp(-((sx*sx)+(sy*sy)+(sz*sz))/100.0);
+
+		psi.get<0>(key) = sin(2*M_PI*sx/psi.size(0))*sin(2*M_PI*sy/psi.size(1))*sin(2*M_PI*sz/psi.size(2))*gs;
+		psi2.get<0>(key) = sin(2*M_PI*sx/psi.size(0))*sin(2*M_PI*sy/psi.size(1))*sin(2*M_PI*sz/psi.size(2))*gs;
+
+		++it;
+	}
+
+	FDScheme<poisson_nn_helm> fd(stencil_max, domain, psi);
+
+	fd.template impose_dit<0>(poisson(),psi,psi.getDomainIterator());
+
+	petsc_AMG_report rep;
+
+	rep.setTergetAMGAccuracy(10e-4);
+
+	rep.try_solve(fd.getA(),fd.getB());
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+
+#endif /* OPENFPM_NUMERICS_SRC_SOLVERS_PETSC_SOLVER_REPORT_UNIT_TESTS_HPP_ */