isl_map_simplify.c: check_for_div_constraints: also check for "better" ones

[platform/upstream/isl.git] / test_inputs / unexpanded.pwqp

{ [x, y] -> ((x - x^2) * y + (-x + x^2) * y^2) : x >= 0 and x <= 2 and y >= 0 and y <= 2 }