Added code to tensor.blas to prevent emitting c code when dtype is complex

theano/tensor/blas.py

@@ -589,6 +589,9 @@ class Gemm(GemmRelated):
         """
 
     def c_code(self, node, name, (_z, _a, _x, _y, _b), (_zout, ), sub): #DEBUG
+        if node.inputs[0].type.dtype.startswith('complex'):
+            raise utils.MethodNotDefined('%s.c_code' \
+                    % self.__class__.__name__)
         if not config.blas.ldflags:
             return super(Gemm, self).c_code(node, name, (_z, _a, _x, _y, _b), (_zout, ), sub)
         full_code = self.build_gemm_call() % dict(locals(), **sub)
@@ -978,6 +981,9 @@ class Dot22(GemmRelated):
                 double b = 0.0;
         """
     def c_code(self, node, name, (_x, _y), (_zout, ), sub): #DEBUG
+        if node.inputs[0].type.dtype.startswith('complex'):
+            raise utils.MethodNotDefined('%s.c_code' \
+                    % self.__class__.__name__)
         if len(self.c_libraries())<=0:
             return super(Dot22, self).c_code(node, name, (_x, _y), (_zout, ), sub)
         full_code = self.build_gemm_call() % dict(locals(), **sub)