isl_tab.c: push_union: handle NULL input

[isl.git] / test_inputs / codegen / omega / ts1d-check0-0.in

[T, N] -> { s1[2, t, 0, i, 1] -> [2, tb, t + i, t - 1000tb, 1] : exists (e0 = [(t - 1000tb)/2]: 2e0 = t - 1000tb and 1000tb <= t and 1000tb >= -999 + t and i >= 0 and i <= -1 + N and t >= 0 and t <= -2 + 2T); s0[1, In_2, 1, 0, 0] -> [1, In_2, 1, 0, 0] : In_2 >= 0 and In_2 <= -1 + N; s2[2, t, 0, i, 1] -> [2, tb, t + i, t - 1000tb, 1] : exists (e0 = [(-1 + t - 1000tb)/2]: 2e0 = -1 + t - 1000tb and 1000tb <= t and 1000tb >= -999 + t and i >= 1 and i <= -2 + N and t >= 1 and t <= -1 + 2T) }
[T, N] -> {  : T >= 0 and N >= 4 }
[N] -> { [i0, i1, i2, i3, i4] -> separate[o0] : o0 >= 3; [i0, i1, i2, i3, i4] -> atomic[o0] : o0 <= 2 }