def ilog

bend-collections-laws-crypto@1.0.0.0 · src/math/generic.bend:433

import Base
import bend-collections-laws-crypto@1.0.0.0/src/math/num.bend as N

433def ilog(~T: Data, ~op: N.Op<T> -> T, ~test: N.Test<T> -> Bool, +n: T, +b: T) -> Result<&2, &2, N.NumError, Nat>:
434  ilog_ok(~T, ~op, ~test, n, b, Bool.or(test(N.IsZero{n}), test(N.Lt{b, op(N.Add{op(N.One{}), op(N.One{})})})))