Merge branch 'issue/petsc_3-7' into 'master'

PetscOptionsView corrected for petsc 3.7

Another incompatibility wiht petsc 3.7. solved

See merge request !16

AMDiS/src/parallel/PetscHelper.cc

@@ -308,7 +308,11 @@ namespace AMDiS
     PetscViewer viewer;
     PetscViewerCreate(PETSC_COMM_WORLD, &viewer);
     PetscViewerSetType(viewer, PETSCVIEWERASCII);
+#if (PETSC_VERSION_MINOR >= 7)
+    PetscOptionsView(PETSC_NULL, viewer);
+#else
     PetscOptionsView(viewer);
+#endif
     PetscViewerDestroy(&viewer);
 #endif
       }

AMDiS/src/parallel/PetscSolverGlobalMatrix.cc

@@ -95,8 +95,13 @@ namespace AMDiS { namespace Parallel {
     PetscViewer viewer;
     PetscViewerCreate(PETSC_COMM_WORLD, &viewer);
     PetscViewerSetType(viewer, PETSCVIEWERASCII);
+#if (PETSC_VERSION_MINOR >= 7)
+    PetscOptionsView(PETSC_NULL, viewer);
+#else
     PetscOptionsView(viewer);
+#endif
     PetscViewerDestroy(&viewer);
+
     }
 #endif
   }