Actual source code: ex28.c
2: static char help[] = "Tests PetscAtan2Real\n";
4: #include <petscsys.h>
5: #include <petscviewer.h>
6: #include <petscmath.h>
8: int main(int argc, char **argv)
9: {
10: PetscReal a;
12: PetscFunctionBeginUser;
13: PetscCall(PetscInitialize(&argc, &argv, (char *)0, help));
14: a = PetscAtan2Real(1.0, 1.0);
15: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "PetscAtan2Real(1.0,1.0) = %g\n", (double)a));
16: a = PetscAtan2Real(1.0, 0.0);
17: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "PetscAtan2Real(1.0,0.0) = %g\n", (double)a));
18: a = PetscAtan2Real(0.0, 1.0);
19: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "PetscAtan2Real(0.0,1.0) = %g\n", (double)a));
20: a = PetscAtan2Real(0.0, 0.0);
21: PetscCall(PetscPrintf(PETSC_COMM_WORLD, "PetscAtan2Real(0.0,0.0) = %g\n", (double)a));
22: PetscCall(PetscFinalize());
23: return 0;
24: }
26: /*TEST
28: test:
30: TEST*/