W64.of48_h: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/src/math/w64.bend as W64
Lines 709-712 of bend-collections@1.0.0.0/src/math/w64.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/src/math/w64.bend&start_line=709&end_line=712

import Base
import bend-collections@1.0.0.0/src/math/u64.bend as W

# the words of g < 2^64 from h = g div 2^32 (two divisions by 2^16, so no
# closed 2^32 appears: the proof checker would expand it in unary)
def of48_h(+g: Nat, +h: Nat) -> W.U64:
  W.U64{U32.from_nat(Nat.sub(g, Nat.mul(Nat.mul(h, 65536n), 65536n))), U32.from_nat(h)}

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.mul
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.sub
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.from_nat
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/math/u64.bend&name=U64