1 2 static char help[] = "Tests PetscAtan2Real\n"; 3 4 #include <petscsys.h> 5 #include <petscviewer.h> 6 #include <petscmath.h> 7 8 int main(int argc, char **argv) { 9 PetscReal a; 10 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 } 24 25 /*TEST 26 27 test: 28 29 TEST*/ 30