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 PetscErrorCode ierr; 13 14 ierr = PetscInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr; 15 a = PetscAtan2Real(1.0,1.0); 16 CHKERRQ(PetscPrintf(PETSC_COMM_WORLD,"PetscAtan2Real(1.0,1.0) = %g\n",(double)a)); 17 a = PetscAtan2Real(1.0,0.0); 18 CHKERRQ(PetscPrintf(PETSC_COMM_WORLD,"PetscAtan2Real(1.0,0.0) = %g\n",(double)a)); 19 a = PetscAtan2Real(0.0,1.0); 20 CHKERRQ(PetscPrintf(PETSC_COMM_WORLD,"PetscAtan2Real(0.0,1.0) = %g\n",(double)a)); 21 a = PetscAtan2Real(0.0,0.0); 22 CHKERRQ(PetscPrintf(PETSC_COMM_WORLD,"PetscAtan2Real(0.0,0.0) = %g\n",(double)a)); 23 ierr = PetscFinalize(); 24 return ierr; 25 } 26 27 /*TEST 28 29 test: 30 31 TEST*/ 32