Omit distinction between normal and reduced assignments in AssignmentCollection

src/pystencils/simp/assignment_collection.py

@@ -9,8 +9,6 @@ import pystencils
 from ..assignment import Assignment
 from .simplifications import (sort_assignments_topologically, transform_lhs_and_rhs, transform_rhs)
 from ..sympyextensions import count_operations, fast_subs
-from ..sympyextensions import reduced_assign
-from ..sympyextensions.reduction import ReducedAssignment
 
 
 class AssignmentCollection:
@@ -58,13 +56,8 @@ class AssignmentCollection:
         subexpressions = list(itertools.chain.from_iterable(
             [(a if isinstance(a, Iterable) else [a]) for a in subexpressions]))
 
-        # filter out reduced assignments
-        reduced_assignments = [a for a in main_assignments if isinstance(a, ReducedAssignment)]
-        main_assignments = [a for a in main_assignments if (a not in reduced_assignments)]
-
         self.main_assignments = main_assignments
         self.subexpressions = subexpressions
-        self.reductions = reduced_assignments
 
         if simplification_hints is None:
             simplification_hints = {}
@@ -79,11 +72,6 @@ class AssignmentCollection:
         else:
             self.subexpression_symbol_generator = subexpression_symbol_generator
 
-    def add_reduction(self, lhs: sp.Symbol, op: str, rhs: sp.Expr) -> None:
-        """Adds an entry to the simplification_hints dictionary and checks that is does not exist yet."""
-        assert lhs not in self.reductions, f"Reduction for lhs {lhs} exists"
-        self.reductions.append(reduced_assign(lhs, op, rhs))
-
     def add_simplification_hint(self, key: str, value: Any) -> None:
         """Adds an entry to the simplification_hints dictionary and checks that is does not exist yet."""
         assert key not in self.simplification_hints, "This hint already exists"