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