test

src/pystencils/astnodes.py

@@ -270,6 +270,7 @@ class KernelFunction(Node):
         parameters = [self.Parameter(symbol, get_fields(symbol)) for symbol in argument_symbols]
         if hasattr(self, 'indexing'):
             parameters += [self.Parameter(s, []) for s in self.indexing.symbolic_parameters()]
+        parameters = [p for p in parameters if p.symbol.name != "svcntd()"]
         parameters.sort(key=lambda p: p.symbol.name)
         return parameters
 

src/pystencils/gpu/kernelcreation.py

@@ -72,9 +72,11 @@ def create_cuda_kernel(assignments: NodeCollection, config: CreateKernelConfig):
 
     if len(indexed_elements) > 0:
         common_indexed_element = get_common_indexed_element(indexed_elements)
+        index = list(common_indexed_element.indices[0].atoms(TypedSymbol))
+        assert len(index) == 1, "index expressions must only contain one symbol representing the index"
         indexing = indexing_creator(iteration_space=(slice(0, common_indexed_element.shape[0], 1), *iteration_space),
                                     data_layout=common_field.layout)
-        extended_ctrs = [common_indexed_element.indices[0], *loop_counter_symbols]
+        extended_ctrs = [index[0], *loop_counter_symbols]
         loop_counter_assignments = indexing.get_loop_ctr_assignments(extended_ctrs)
     else:
         indexing = indexing_creator(iteration_space=iteration_space, data_layout=common_field.layout)

src/pystencils/transformations.py

@@ -276,8 +276,11 @@ def add_outer_loop_over_indexed_elements(loop_node: ast.Block) -> ast.Block:
     if len(indexed_elements) == 0:
         return loop_node
     reference_element = get_common_indexed_element(indexed_elements)
+    index = list(reference_element.indices[0].atoms(TypedSymbol))
+    assert len(index) == 1, "index expressions must only contain one symbol representing the index"
+
     new_loop = ast.LoopOverCoordinate(loop_node, 0, 0,
-                                      reference_element.shape[0], 1, custom_loop_ctr=reference_element.indices[0])
+                                      reference_element.shape[0], 1, custom_loop_ctr=index[0])
     return ast.Block([new_loop])