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numerics/example/LAPACK/cxx_main.cpp
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43
44#include "Teuchos_LAPACK.hpp"
47#include "Teuchos_Version.hpp"
48
49int main(int argc, char* argv[])
50{
51 std::cout << Teuchos::Teuchos_Version() << std::endl << std::endl;
52
53 // Creating an instance of the LAPACK class for double-precision routines looks like:
55
56 // This instance provides the access to all the LAPACK routines.
59 My_Matrix.random();
60 My_Vector.random();
61
62 // Perform an LU factorization of this matrix.
63 int ipiv[4], info;
64 char TRANS = 'N';
65 lapack.GETRF( 4, 4, My_Matrix.values(), My_Matrix.stride(), ipiv, &info );
66
67 // Solve the linear system.
68 lapack.GETRS( TRANS, 4, 1, My_Matrix.values(), My_Matrix.stride(),
69 ipiv, My_Vector.values(), My_Vector.stride(), &info );
70
71 // Print out the solution.
72 std::cout << printMat(My_Vector) << std::endl;
73
74 return 0;
75}
Templated interface class to LAPACK routines.
Templated serial dense matrix class.
Templated serial dense vector class.
Concrete serial communicator subclass.
int main()
Definition evilMain.cpp:75
std::string Teuchos_Version()