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 { 10 PetscReal a; 11 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 } 25 26 /*TEST 27 28 test: 29 30 TEST*/ 31