extend printing test

pystencils/nbackend/c_printer.py

@@ -29,7 +29,7 @@ class CPrinter:
     def function(self, func: PsKernelFunction) -> str:
         params = func.get_parameters()
         params_str = ", ".join(f"{p.dtype} {p.name}" for p in params)
-        decl = f"FUNC_PREFIX void {func.name} ( {params_str} )"
+        decl = f"FUNC_PREFIX void {func.name} ({params_str})"
         body = self.visit(func.body)
         return f"{decl}\n{body}"
 

pystencils_tests/nbackend/test_basic_printing.py

@@ -34,5 +34,10 @@ def test_basic_kernel():
     printer = CPrinter()
     code = printer.print(func)
 
-    assert code.find("u_data[ctr] = u_data[ctr + 1] + u_data[ctr - 1]") >= 0
+    paramlist = func.get_parameters()
+    params_str = ", ".join(f"{p.dtype} {p.name}" for p in paramlist)
+
+    assert code.find("(" + params_str + ")") >= 0
+    
+    assert code.find("u_data[ctr] = u_data[ctr - 1] + u_data[ctr + 1];") >= 0