made Nonlininteg subclass of Integrator in the proxy class

Author: sshiraiwa

mfem/_par/bilininteg.i

@@ -9,6 +9,7 @@
 #include "../common/pybilininteg.hpp"
 #include "../common/pyintrules.hpp"
 #include "../common/pynonlininteg.hpp"
+#include "../common/pylininteg.hpp"
 #include "numpy/arrayobject.h"
   //using namespace mfem;
 %}
@@ -48,4 +49,3 @@ import_array();
 
 %feature("director") mfem::PyBilinearFormIntegrator;
 %include "../common/pybilininteg.hpp"
-

mfem/_par/lininteg.i

@@ -14,6 +14,8 @@
 #include "../common/pyoperator.hpp"
 #include "../common/pycoefficient.hpp"
 #include "../common/pylininteg.hpp"
+#include "../common/pynonlininteg.hpp"
+#include "../common/pybilininteg.hpp"
 #include "../common/pyintrules.hpp"
 #include "numpy/arrayobject.h"
 %}
@@ -46,5 +48,3 @@ import_array();
 
 %feature("director") mfem::PyLinearFormIntegrator;
 %include "../common/pylininteg.hpp"
-
-

mfem/_par/nonlininteg.i

@@ -21,6 +21,7 @@ import_array();
 %import operators.i
 %import fespace.i
 %import eltrans.i
+%import integrator.i
 %import "../common/exception_director.i"
 
 %include "fem/nonlininteg.hpp"

mfem/_ser/bilininteg.i

@@ -9,6 +9,7 @@
 #include "../common/pybilininteg.hpp"
 #include "../common/pyintrules.hpp"
 #include "../common/pynonlininteg.hpp"
+#include "../common/pylininteg.hpp"
 #include "numpy/arrayobject.h"
   //using namespace mfem;
 %}

mfem/_ser/lininteg.i

@@ -14,6 +14,8 @@
 #include "../common/pyoperator.hpp"
 #include "../common/pycoefficient.hpp"
 #include "../common/pylininteg.hpp"
+#include "../common/pynonlininteg.hpp"
+#include "../common/pybilininteg.hpp"
 #include "../common/pyintrules.hpp"
 #include "numpy/arrayobject.h"
 %}
@@ -42,5 +44,3 @@ import_array();
 
 %feature("director") mfem::PyLinearFormIntegrator;
 %include "../common/pylininteg.hpp"
-
-

mfem/_ser/nonlininteg.i

@@ -31,6 +31,7 @@ import_array();
 %import "operators.i"
 %import "fespace.i"
 %import "eltrans.i"
+%import "integrator.i"
 %import "../common/exception_director.i"
 
 %include "fem/nonlininteg.hpp"