def high_split

bendtorch-core@0.1.0.0 · src/storage/route.bend:294

import Base
import bendtorch-core@0.1.0.0/src/storage/model.bend as Model
import bendtorch-core@0.1.0.0/src/storage/size.bend as Size
import bendtorch-core@0.1.0.0/src/storage/arith.bend as Arith

294def high_split(+p: Nat, +i: U32, +hp: {Nat.is_le(p, 20n) == True{} : Bool},
295  +le: {Nat.is_le(U32.to_nat(Size.capacity(p)), U32.to_nat(i)) == True{} : Bool}) ->
296  {U32.to_nat(i) == Nat.add(Model.capacity(p), U32.to_nat(U32.sub(i, Size.capacity(p)))) : Nat}:
297  %cap_word(p, hp) : {U32.to_nat(i) == Nat.add(_, U32.to_nat(U32.sub(i, Size.capacity(p)))) : Nat}
298  Arith.sub_u32(i, Size.capacity(p), le)