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def digit_fin

bend-collections-laws-math@1.0.0.0 · src/math/f64.bend:366

import bend-collections-laws-math@1.0.0.0/src/math/f64.bend as F64
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

366# the next quotient digit of r * 2^32 / b (r < b, b >= 2^52) and the remainder
367def digit_fin(+r: W.U64, +b: W.U64, +d: U32) -> U32 & W.U64:
368  (d, X.sub(W.U64{0, X.lo(r)}, X.fst_q(X.mul_32_64(d, b))))

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