Fixed.u64_wpow: def of bend-collections-laws-math@1.0.0.0
Import: import bend-collections-laws-math@1.0.0.0/src/math/fixed.bend as Fixed
Lines 354-361 of bend-collections-laws-math@1.0.0.0/src/math/fixed.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-math@1.0.0.0/src/math/fixed.bend&start_line=354&end_line=361

import Base
import bend-collections-laws-math@1.0.0.0/src/math/u64.bend as W
import bend-collections-laws-math@1.0.0.0/src/math/w64.bend as X
import bend-collections-laws-math@1.0.0.0/src/math/instances.bend as I

def u64_wpow(fuel: Nat, +e: U32, +b: W.U64, +acc: W.U64, z: Bool) -> W.U64:
  match fuel z:
    case 0n _:
      acc
    case 1n+f True{}:
      acc
    case 1n+ +f False{}:
      u64_wpow(f, U32.shr(e), X.mul(b, b), pick(W.U64, I.u32_odd(e), X.mul(acc, b), acc), U32.is_zero(U32.shr(e)))

Uses (9):
  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_zero
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.shr
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/src/math/fixed.bend&name=pick
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/src/math/instances.bend&name=u32_odd
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/src/math/u64.bend&name=U64
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/src/math/w64.bend&name=mul