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test/FECrsMatrix/cxx_main.cpp
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41 
42 
43 // Epetra_FECrsMatrix Test routine
44 
45 #include "Epetra_Time.h"
46 #include "Epetra_Map.h"
47 #include "Epetra_FECrsMatrix.h"
48 #include "ExecuteTestProblems.h"
49 #ifdef EPETRA_MPI
50 #include "Epetra_MpiComm.h"
51 #include <mpi.h>
52 #else
53 #include "Epetra_SerialComm.h"
54 #endif
55 #include "../epetra_test_err.h"
56 #include "Epetra_Version.h"
57 
58 int main(int argc, char *argv[]) {
59 
60  int ierr = 0;
61 
62 #ifdef EPETRA_MPI
63 
64  // Initialize MPI
65 
66  MPI_Init(&argc,&argv);
67  Epetra_MpiComm Comm(MPI_COMM_WORLD);
68 
69 #else
70 
71  Epetra_SerialComm Comm;
72 
73 #endif
74 
75 // Comm.SetTracebackMode(0); // This should shut down any error tracing
76  bool verbose = false;
77 
78  // Check if we should print results to standard out
79  if (argc>1) if (argv[1][0]=='-' && argv[1][1]=='v') verbose = true;
80 
81 #ifdef EPETRA_MPI
82  int localverbose = verbose ? 1 : 0;
83  int globalverbose=0;
84  MPI_Allreduce(&localverbose, &globalverbose, 1, MPI_INT, MPI_SUM,
85  MPI_COMM_WORLD);
86  verbose = (globalverbose>0);
87 #endif
88 
89  int MyPID = Comm.MyPID();
90  int NumProc = Comm.NumProc();
91 
92  if (verbose && MyPID==0)
93  cout << Epetra_Version() << endl << endl;
94 
95  if (verbose) cout << Comm <<endl;
96 
97  // Redefine verbose to only print on PE 0
98  //if (verbose && rank!=0) verbose = false;
99 
100  int NumMyElements = 4;
101  int NumGlobalElements = NumMyElements*NumProc;
102  int IndexBase = 0;
103 
104  Epetra_Map Map(NumGlobalElements, NumMyElements, IndexBase, Comm);
105 
106  EPETRA_TEST_ERR( Drumm1(Map, verbose),ierr);
107 
108  EPETRA_TEST_ERR( Drumm2(Map, verbose),ierr);
109 
110  EPETRA_TEST_ERR( Drumm3(Map, verbose),ierr);
111 
112 
113  bool preconstruct_graph = false;
114 
115  EPETRA_TEST_ERR( four_quads(Comm, preconstruct_graph, verbose), ierr);
116 
117  preconstruct_graph = true;
118 
119  EPETRA_TEST_ERR( four_quads(Comm, preconstruct_graph, verbose), ierr);
120 
121  EPETRA_TEST_ERR( submatrix_formats(Comm, verbose), ierr);
122 
123  EPETRA_TEST_ERR( rectangular(Comm, verbose), ierr);
124 
125 #ifdef EPETRA_MPI
126  MPI_Finalize();
127 #endif
128 
129  return ierr;
130 }
131 
Epetra_Map: A class for partitioning vectors and matrices.
Definition: Epetra_Map.h:127
#define EPETRA_TEST_ERR(a, b)
int MyPID() const
Return my process ID.
Epetra_MpiComm: The Epetra MPI Communication Class.
std::string Epetra_Version()
int Drumm1(const Epetra_Map &map, bool verbose)
int NumProc() const
Returns total number of processes (always returns 1 for SerialComm).
Epetra_SerialComm: The Epetra Serial Communication Class.
int main(int argc, char *argv[])
int Drumm3(const Epetra_Map &map, bool verbose)
int submatrix_formats(const Epetra_Comm &Comm, bool verbose)
int rectangular(const Epetra_Comm &Comm, bool verbose)
int Drumm2(const Epetra_Map &map, bool verbose)
int four_quads(const Epetra_Comm &Comm, bool preconstruct_graph, bool verbose)