F64.rflip: def of bend-collections-laws-math@1.0.0.0
Import: import bend-collections-laws-math@1.0.0.0/spec/math/f64.bend as F64
Lines 523-528 of bend-collections-laws-math@1.0.0.0/spec/math/f64.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-math@1.0.0.0/spec/math/f64.bend&start_line=523&end_line=528

import Base

# IEEE remainder, x - n y with n = x / y rounded to nearest, ties to even:
# from r = A mod B and q = A div B, n is q + 1 when r is past half of B (or
# exactly half with q odd), which leaves B - r with the opposite sign; a zero
# result has the sign of x (4.3)
def rflip(+r: Nat, +b: Nat, +q: Nat) -> Bool:
  Bool.or(Nat.is_lt(b, Nat.add(r, r)), Bool.and(Nat.is_eq(Nat.add(r, r), b), Nat.is_eq(Nat.mod(q, 2n), 1n)))

Uses (8):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.or
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.add
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_eq
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_lt
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.mod