xref: /petsc/src/sys/tests/ex7.c (revision d71ae5a4db6382e7f06317b8d368875286fe9008)
1c4762a1bSJed Brown 
2c4762a1bSJed Brown static char help[] = "Tests PetscSortIntWithPermutation().\n\n";
3c4762a1bSJed Brown 
4c4762a1bSJed Brown #include <petscsys.h>
5c4762a1bSJed Brown 
6*d71ae5a4SJacob Faibussowitsch int main(int argc, char **argv)
7*d71ae5a4SJacob Faibussowitsch {
8c4762a1bSJed Brown   PetscInt i;
9c4762a1bSJed Brown   PetscInt x[]  = {39, 9, 39, 39, 29}, index[5];
10c4762a1bSJed Brown   PetscInt x2[] = {39, 9, 19, 39, 29, 39, 29, 39}, index2[8];
11c4762a1bSJed Brown 
12327415f7SBarry Smith   PetscFunctionBeginUser;
139566063dSJacob Faibussowitsch   PetscCall(PetscInitialize(&argc, &argv, (char *)0, help));
149566063dSJacob Faibussowitsch   PetscCall(PetscPrintf(PETSC_COMM_SELF, "1st test\n"));
15c4762a1bSJed Brown   for (i = 0; i < 5; i++) index[i] = i;
169566063dSJacob Faibussowitsch   PetscCall(PetscSortIntWithPermutation(5, x, index));
179566063dSJacob Faibussowitsch   for (i = 0; i < 5; i++) PetscCall(PetscPrintf(PETSC_COMM_SELF, " %" PetscInt_FMT "     %" PetscInt_FMT "     %" PetscInt_FMT "\n", x[i], index[i], x[index[i]]));
18c4762a1bSJed Brown 
199566063dSJacob Faibussowitsch   PetscCall(PetscPrintf(PETSC_COMM_SELF, "\n2nd test\n"));
20c4762a1bSJed Brown   for (i = 0; i < 8; i++) index2[i] = i;
219566063dSJacob Faibussowitsch   PetscCall(PetscSortIntWithPermutation(8, x2, index2));
229566063dSJacob Faibussowitsch   for (i = 0; i < 8; i++) PetscCall(PetscPrintf(PETSC_COMM_SELF, " %" PetscInt_FMT "     %" PetscInt_FMT "     %" PetscInt_FMT "\n", x2[i], index2[i], x2[index2[i]]));
239566063dSJacob Faibussowitsch   PetscCall(PetscFinalize());
24b122ec5aSJacob Faibussowitsch   return 0;
25c4762a1bSJed Brown }
26c4762a1bSJed Brown 
27c4762a1bSJed Brown /*TEST
28c4762a1bSJed Brown 
29c4762a1bSJed Brown    test:
30c4762a1bSJed Brown 
31c4762a1bSJed Brown TEST*/
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