xref: /petsc/src/sys/tests/ex49.c (revision 609caa7c8c030312b00807b4f015fd827bb80932)
1c4762a1bSJed Brown static char help[] = "Demonstrates PetscDataTypeFromString().\n\n";
2c4762a1bSJed Brown 
3c4762a1bSJed Brown #include <petscsys.h>
main(int argc,char ** argv)4d71ae5a4SJacob Faibussowitsch int main(int argc, char **argv)
5d71ae5a4SJacob Faibussowitsch {
6c4762a1bSJed Brown   PetscDataType dtype;
7c4762a1bSJed Brown   PetscBool     found;
8c4762a1bSJed Brown 
9c4762a1bSJed Brown   /*
10c4762a1bSJed Brown     Every PETSc routine should begin with the PetscInitialize() routine.
11c4762a1bSJed Brown     argc, argv - These command line arguments are taken to extract the options
12c4762a1bSJed Brown                  supplied to PETSc and options supplied to MPI.
13c4762a1bSJed Brown     help       - When PETSc executable is invoked with the option -help,
14c4762a1bSJed Brown                  it prints the various options that can be applied at
15c4762a1bSJed Brown                  runtime.  The user can use the "help" variable place
16c4762a1bSJed Brown                  additional help messages in this printout.
17c4762a1bSJed Brown   */
18327415f7SBarry Smith   PetscFunctionBeginUser;
19c8025a54SPierre Jolivet   PetscCall(PetscInitialize(&argc, &argv, NULL, help));
20c4762a1bSJed Brown 
219566063dSJacob Faibussowitsch   PetscCall(PetscDataTypeFromString("Scalar", &dtype, &found));
2228b400f6SJacob Faibussowitsch   PetscCheck(found, PETSC_COMM_WORLD, PETSC_ERR_ARG_WRONG, "Did not find scalar datatype");
2308401ef6SPierre Jolivet   PetscCheck(dtype == PETSC_SCALAR, PETSC_COMM_WORLD, PETSC_ERR_ARG_WRONG, "Found wrong datatype for scalar");
24c4762a1bSJed Brown 
259566063dSJacob Faibussowitsch   PetscCall(PetscDataTypeFromString("INT", &dtype, &found));
2628b400f6SJacob Faibussowitsch   PetscCheck(found, PETSC_COMM_WORLD, PETSC_ERR_ARG_WRONG, "Did not find int datatype");
2708401ef6SPierre Jolivet   PetscCheck(dtype == PETSC_INT, PETSC_COMM_WORLD, PETSC_ERR_ARG_WRONG, "Found wrong datatype for int");
28c4762a1bSJed Brown 
299566063dSJacob Faibussowitsch   PetscCall(PetscDataTypeFromString("real", &dtype, &found));
3028b400f6SJacob Faibussowitsch   PetscCheck(found, PETSC_COMM_WORLD, PETSC_ERR_ARG_WRONG, "Did not find real datatype");
3108401ef6SPierre Jolivet   PetscCheck(dtype == PETSC_REAL, PETSC_COMM_WORLD, PETSC_ERR_ARG_WRONG, "Found wrong datatype for real");
32c4762a1bSJed Brown 
339566063dSJacob Faibussowitsch   PetscCall(PetscDataTypeFromString("abogusdatatype", &dtype, &found));
3428b400f6SJacob Faibussowitsch   PetscCheck(!found, PETSC_COMM_WORLD, PETSC_ERR_ARG_WRONG, "Found a bogus datatype");
35c4762a1bSJed Brown 
369566063dSJacob Faibussowitsch   PetscCall(PetscFinalize());
37b122ec5aSJacob Faibussowitsch   return 0;
38c4762a1bSJed Brown }
39c4762a1bSJed Brown 
40c4762a1bSJed Brown /*TEST
41c4762a1bSJed Brown 
42c4762a1bSJed Brown    test:
43*3886731fSPierre Jolivet      output_file: output/empty.out
44c4762a1bSJed Brown 
45c4762a1bSJed Brown TEST*/
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