W64.down32: def of bend-collections-laws-math@1.0.0.0
Import: import bend-collections-laws-math@1.0.0.0/src/math/w64.bend as W64
Lines 428-437 of bend-collections-laws-math@1.0.0.0/src/math/w64.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-math@1.0.0.0/src/math/w64.bend&start_line=428&end_line=437

import Base

# r - 1 while r * r > x: from r <= 65535 at most r steps (fuel r + 1), and
# r * r never wraps
def down32(fuel: Nat, +x: U32, +r: U32, over: Bool) -> U32:
  match fuel over:
    case 0n _:
      r
    case 1n+f False{}:
      r
    case 1n+f True{}:
      down32(f, x, U32.sub(r, 1), U32.is_lt(x, U32.mul(U32.sub(r, 1), U32.sub(r, 1))))

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_lt
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.mul
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.sub