Actual source code: ex28.c
1: static char help[] = "Tests PetscAtan2Real\n";
3: #include <petscsys.h>
4: #include <petscviewer.h>
5: #include <petscmath.h>
7: int main(int argc, char **argv)
8: {
9: PetscReal a;
11: PetscFunctionBeginUser;
12: PetscCall(PetscInitialize(&argc, &argv, (char *)0, help));
13: a = PetscAtan2Real(1.0, 1.0);
14: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "PetscAtan2Real(1.0,1.0) = %g\n", (double)a));
15: a = PetscAtan2Real(1.0, 0.0);
16: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "PetscAtan2Real(1.0,0.0) = %g\n", (double)a));
17: a = PetscAtan2Real(0.0, 1.0);
18: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "PetscAtan2Real(0.0,1.0) = %g\n", (double)a));
19: a = PetscAtan2Real(0.0, 0.0);
20: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "PetscAtan2Real(0.0,0.0) = %g\n", (double)a));
21: PetscCall(PetscFinalize());
22: return 0;
23: }
25: /*TEST
27: test:
29: TEST*/