Shortcut straight to ecm.map_constant when emitting (potentially large) array literals (#118)

loopy/target/c/__init__.py

@@ -194,7 +194,6 @@ def generate_array_literal(codegen_state, array, value):
 
     ecm = codegen_state.expression_to_code_mapper
 
-    from pymbolic.mapper.stringifier import PREC_NONE
     from loopy.expression import dtype_to_type_context
     from loopy.symbolic import ArrayLiteral
 
@@ -203,7 +202,7 @@ def generate_array_literal(codegen_state, array, value):
             codegen_state.ast_builder.get_c_expression_to_code_mapper(),
             ArrayLiteral(
                 tuple(
-                    ecm(d_i, PREC_NONE, type_context, array.dtype).expr
+                    ecm.map_constant(d_i, type_context)
                     for d_i in data)))
 
 # }}}