proofs/math/typed/f64modf.bend checks

import Base
import ../../../spec/lib/common.bend as C
import ../../../spec/math/f64.bend as SF
import ../../../spec/math/w64.bend as SW
import ../../../src/math/f64.bend as F
import ../../../src/math/w64.bend as X
import ../../../src/math/u64.bend as WU
import ../../lib/nat.bend as N
import ../../lib/logic.bend as L
import ../../lib/lemmas/proofs/nat_algebra.bend as NA
import ./width.bend as WW
import ./w64add.bend as WA
import ./w64sh.bend as SH
import ./f64bits.bend as FB
import ./f64light.bend as FL
import ./f64round.bend as FR
import ./f64tools.bend as T
import ./f64rint.bend as RI