Added chck_input to c_declare

theano/gof/cc.py

@@ -308,10 +308,15 @@ def get_nothing(r, name, sub):
 
 def get_c_declare(r, name, sub):
     """Wrapper around c_declare that declares py_name"""
+    if r.owner:
+        c_declare = r.type.c_declare(name, sub,
+                    getattr(r.owner.op, 'check_input', True))
+    else:
+        c_declare = r.type.c_declare(name, sub, True)
     pre = """
     PyObject* py_%(name)s;
     """ % locals()
-    return pre + r.type.c_declare(name, sub)
+    return pre + c_declare
 
 
 def get_c_init(r, name, sub):

theano/gof/type.py

@@ -44,7 +44,7 @@ class CLinkerType(CLinkerObject):
         """
         raise MethodNotDefined("c_literal", type(self), self.__class__.__name__)
 
-    def c_declare(self, name, sub):
+    def c_declare(self, name, sub, check_input=True):
         """Required: Return c code to declare variables that will be
         instantiated by `c_extract`.
 
@@ -434,7 +434,7 @@ class Generic(SingletonType):
     def is_valid_value(self, a):
         return True
 
-    def c_declare(self, name, sub):
+    def c_declare(self, name, sub, check_input=True):
         return """
         PyObject* %(name)s;
         """ % locals()

theano/sandbox/cuda/type.py

@@ -274,7 +274,7 @@ class CudaNdarrayType(Type):
         return str(self)
         #"CudaNdarrayType{%s, %s}" % (str(self.dtype), str(self.broadcastable))
 
-    def c_declare(self, name, sub):
+    def c_declare(self, name, sub, check_input=True):
         return """ CudaNdarray * %(name)s;""" % locals()
 
     def c_init(self, name, sub):

theano/sandbox/gpuarray/type.py

@@ -155,7 +155,7 @@ class GpuArrayType(Type):
         else:
             return numpy.dtype(self.dtype).itemsize
 
-    def c_declare(self, name, sub):
+    def c_declare(self, name, sub, check_input=True):
         return """
         PyGpuArrayObject *%(name)s;
         """ % locals()

theano/scalar/basic.py

@@ -254,7 +254,7 @@ class Scalar(Type):
             raise NotImplementedError("No literal for complex values.")
         return str(data)
 
-    def c_declare(self, name, sub):
+    def c_declare(self, name, sub, check_input=True):
         return """
         %(dtype)s %(name)s;
         typedef %(dtype)s %(name)s_dtype; // Deprecated use dtype_%(name)s instead.

theano/tests/test_tutorial.py

@@ -232,7 +232,7 @@ class T_extending(unittest.TestCase):
         div = BinaryDoubleOp(name = 'div',
                             fn = lambda x, y: x / y)
 
-        def c_declare(name, sub):
+        def c_declare(name, sub, check_input=True):
             return """
             double %(name)s;
             """ % dict(name = name)