1 static char help[] = "Tests PetscSortReal(), PetscSortRealWithArrayInt(), PetscFindReal\n\n";
2
3 #include <petscsys.h>
4
main(int argc,char ** argv)5 int main(int argc, char **argv)
6 {
7 PetscInt i, loc;
8 PetscReal val;
9 PetscReal x[] = {39, 9, 19, -39, 29, 309, 209, 390, 12, 11};
10 PetscReal x2[] = {39, 9, 19, -39, 29, 309, 209, 390, 12, 11};
11 PetscReal x3[] = {39, 9, 19, -39, 29, 309, 209, 390, 12, 11};
12 PetscInt index2[] = {1, -1, 4, 12, 13, 14, 0, 7, 9, 11};
13 PetscInt index3[] = {1, -1, 4, 12, 13, 14, 0, 7, 9, 11};
14
15 PetscFunctionBeginUser;
16 PetscCall(PetscInitialize(&argc, &argv, NULL, help));
17 PetscCall(PetscPrintf(PETSC_COMM_SELF, "1st test\n"));
18 for (i = 0; i < 5; i++) PetscCall(PetscPrintf(PETSC_COMM_SELF, " %g\n", (double)x[i]));
19 PetscCall(PetscPrintf(PETSC_COMM_SELF, "---------------\n"));
20 PetscCall(PetscSortReal(5, x));
21 for (i = 0; i < 5; i++) PetscCall(PetscPrintf(PETSC_COMM_SELF, " %g\n", (double)x[i]));
22
23 PetscCall(PetscPrintf(PETSC_COMM_SELF, "\n2nd test\n"));
24 for (i = 0; i < 10; i++) PetscCall(PetscPrintf(PETSC_COMM_SELF, " %g\n", (double)x[i]));
25 PetscCall(PetscPrintf(PETSC_COMM_SELF, "---------------\n"));
26 PetscCall(PetscSortReal(10, x));
27 for (i = 0; i < 10; i++) PetscCall(PetscPrintf(PETSC_COMM_SELF, " %g\n", (double)x[i]));
28
29 PetscCall(PetscPrintf(PETSC_COMM_SELF, "\n3rd test\n"));
30 for (i = 0; i < 5; i++) PetscCall(PetscPrintf(PETSC_COMM_SELF, " %2" PetscInt_FMT " %g\n", index2[i], (double)x2[i]));
31 PetscCall(PetscPrintf(PETSC_COMM_SELF, "---------------\n"));
32 PetscCall(PetscSortRealWithArrayInt(5, x2, index2));
33 for (i = 0; i < 5; i++) PetscCall(PetscPrintf(PETSC_COMM_SELF, " %2" PetscInt_FMT " %g\n", index2[i], (double)x2[i]));
34
35 PetscCall(PetscPrintf(PETSC_COMM_SELF, "\n4th test\n"));
36 for (i = 0; i < 10; i++) PetscCall(PetscPrintf(PETSC_COMM_SELF, " %2" PetscInt_FMT " %g\n", index3[i], (double)x3[i]));
37 PetscCall(PetscPrintf(PETSC_COMM_SELF, "---------------\n"));
38 PetscCall(PetscSortRealWithArrayInt(10, x3, index3));
39 for (i = 0; i < 10; i++) PetscCall(PetscPrintf(PETSC_COMM_SELF, " %2" PetscInt_FMT " %g\n", index3[i], (double)x3[i]));
40
41 PetscCall(PetscPrintf(PETSC_COMM_SELF, "\n5th test\n"));
42 val = 44;
43 PetscCall(PetscFindReal(val, 10, x3, PETSC_SMALL, &loc));
44 PetscCall(PetscPrintf(PETSC_COMM_SELF, " %g in array: loc %" PetscInt_FMT "\n", (double)val, loc));
45 val = 309.2;
46 PetscCall(PetscFindReal(val, 10, x3, PETSC_SMALL, &loc));
47 PetscCall(PetscPrintf(PETSC_COMM_SELF, " %g in array: loc %" PetscInt_FMT "\n", (double)val, loc));
48 val = 309.2;
49 PetscCall(PetscFindReal(val, 10, x3, 0.21, &loc));
50 PetscCall(PetscPrintf(PETSC_COMM_SELF, " %g in array: loc %" PetscInt_FMT "\n", (double)val, loc));
51
52 PetscCall(PetscFinalize());
53 return 0;
54 }
55
56 /*TEST
57
58 test:
59
60 TEST*/
61