def up32

bend-collections@1.0.0.0 · src/math/w64.bend:442

import Base

442# r + 1 while r < 65535 and (r + 1)^2 <= x: at most 65535 - r steps
443def up32(fuel: Nat, +x: U32, +r: U32, up: Bool) -> U32:
444  match fuel up:
445    case 0n _:
446      r
447    case 1n+f False{}:
448      r
449    case 1n+f True{}:
450      up32(f, x, U32.add(r, 1), up_ok(x, U32.add(r, 1)))