xref: /petsc/src/sys/tests/ex28.c (revision d71ae5a4db6382e7f06317b8d368875286fe9008)
1c4762a1bSJed Brown 
2c4762a1bSJed Brown static char help[] = "Tests PetscAtan2Real\n";
3c4762a1bSJed Brown 
4c4762a1bSJed Brown #include <petscsys.h>
5c4762a1bSJed Brown #include <petscviewer.h>
6c4762a1bSJed Brown #include <petscmath.h>
7c4762a1bSJed Brown 
8*d71ae5a4SJacob Faibussowitsch int main(int argc, char **argv)
9*d71ae5a4SJacob Faibussowitsch {
10c4762a1bSJed Brown   PetscReal a;
11c4762a1bSJed Brown 
12327415f7SBarry Smith   PetscFunctionBeginUser;
139566063dSJacob Faibussowitsch   PetscCall(PetscInitialize(&argc, &argv, (char *)0, help));
14c4762a1bSJed Brown   a = PetscAtan2Real(1.0, 1.0);
159566063dSJacob Faibussowitsch   PetscCall(PetscPrintf(PETSC_COMM_WORLD, "PetscAtan2Real(1.0,1.0) = %g\n", (double)a));
16c4762a1bSJed Brown   a = PetscAtan2Real(1.0, 0.0);
179566063dSJacob Faibussowitsch   PetscCall(PetscPrintf(PETSC_COMM_WORLD, "PetscAtan2Real(1.0,0.0) = %g\n", (double)a));
18c4762a1bSJed Brown   a = PetscAtan2Real(0.0, 1.0);
199566063dSJacob Faibussowitsch   PetscCall(PetscPrintf(PETSC_COMM_WORLD, "PetscAtan2Real(0.0,1.0) = %g\n", (double)a));
20c4762a1bSJed Brown   a = PetscAtan2Real(0.0, 0.0);
219566063dSJacob Faibussowitsch   PetscCall(PetscPrintf(PETSC_COMM_WORLD, "PetscAtan2Real(0.0,0.0) = %g\n", (double)a));
229566063dSJacob Faibussowitsch   PetscCall(PetscFinalize());
23b122ec5aSJacob Faibussowitsch   return 0;
24c4762a1bSJed Brown }
25c4762a1bSJed Brown 
26c4762a1bSJed Brown /*TEST
27c4762a1bSJed Brown 
28c4762a1bSJed Brown    test:
29c4762a1bSJed Brown 
30c4762a1bSJed Brown TEST*/
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