Small Tail Check rectangular

import Mathlib.Algebra.QuadraticAlgebra.Basic
import Mathlib.Algebra.Ring.Basic
import Mathlib.Algebra.Ring.Equiv
import Mathlib.Data.Finset.Card
import Mathlib.Data.Finset.Prod
import Mathlib.Data.Int.Interval
import Mathlib.Data.Int.Sqrt
import Mathlib.Tactic.IntervalCases
import Mathlib.Tactic.Linarith
import Mathlib.Tactic.LinearCombination
import Mathlib.Tactic.Ring
import Definitions.Def_D1Bound5_Coordinates_Definitions
import Definitions.Def_D1Bound5_FiniteTail_Definitions

section
namespace D1Bound5
open QuadInt
set_option maxRecDepth 32768
set_option maxHeartbeats 6000000


































































































































































































































theorem _root_.D1Bound5.smallTailCheck_rectangular (tau nu : ℤ)
    (htau : tau = 0 ∨ tau = 1) (hlo : 1 ≤ nu) (hhi : nu ≤ 15)
    (_hpos : 0 < discriminant tau nu) : SmallTailCheck tau nu := by sorry

end D1Bound5
end