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 11 PetscReal a; 12 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