Disable insertion of CGemv and CGer with complex.

theano/tensor/blas_c.py

@@ -203,9 +203,12 @@ class CGer(BaseBLAS, Ger):
 
 @local_optimizer([ger, ger_destructive])
 def use_c_ger(node):
-    if node.op == ger:
+    # Only float32 and float64 are supported for now.
+    if (node.op == ger and
+            node.outputs[0].dtype in ['float32', 'float64']):
         return [CGer(False)(*node.inputs)]
-    if node.op == ger_destructive:
+    if (node.op == ger_destructive and
+            node.outputs[0].dtype in ['float32', 'float64']):
         return [CGer(True)(*node.inputs)]
 
 @local_optimizer([CGer(False)])
@@ -425,9 +428,12 @@ class CGemv(BaseBLAS, Gemv):
 
 @local_optimizer([gemv_inplace, gemv_no_inplace])
 def use_c_gemv(node):
-    if node.op == gemv_no_inplace:
+    # Only float32 and float64 are supported for now.
+    if (node.op == gemv_no_inplace and
+            node.outputs[0].dtype in ['float32', 'float64']):
         return [CGemv(inplace=False)(*node.inputs)]
-    if node.op == gemv_inplace:
+    if (node.op == gemv_inplace and
+            node.outputs[0].dtype in ['float32', 'float64']):
         return [CGemv(inplace=True)(*node.inputs)]