1 static char help[] = "Tests PetscSortReal(), PetscSortRealWithArrayInt(), PetscFindReal\n\n"; 2 3 #include <petscsys.h> 4 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, (char *)0, 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