xref: /petsc/src/sys/tests/ex28.c (revision f11a936e8bf7fbe3c93dcc91a0846fab304f7fbd)
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   ierr = PetscPrintf(PETSC_COMM_WORLD,"PetscAtan2Real(1.0,1.0) = %g\n",(double)a);CHKERRQ(ierr);
17   a = PetscAtan2Real(1.0,0.0);
18   ierr = PetscPrintf(PETSC_COMM_WORLD,"PetscAtan2Real(1.0,0.0) = %g\n",(double)a);CHKERRQ(ierr);
19   a = PetscAtan2Real(0.0,1.0);
20   ierr = PetscPrintf(PETSC_COMM_WORLD,"PetscAtan2Real(0.0,1.0) = %g\n",(double)a);CHKERRQ(ierr);
21   a = PetscAtan2Real(0.0,0.0);
22   ierr = PetscPrintf(PETSC_COMM_WORLD,"PetscAtan2Real(0.0,0.0) = %g\n",(double)a);CHKERRQ(ierr);
23   ierr = PetscFinalize();
24   return ierr;
25 }
26 
27 /*TEST
28 
29    test:
30 
31 TEST*/
32