F64.dmant_z: def of bend-collections-laws-math@1.0.0.0
Import: import bend-collections-laws-math@1.0.0.0/src/math/f64.bend as F64
Lines 633-641 of bend-collections-laws-math@1.0.0.0/src/math/f64.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-math@1.0.0.0/src/math/f64.bend&start_line=633&end_line=641

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

# the significand with its hidden bit (bit 52 of a normal number) and the
# scale of its unit, the exponent plus Z = 3000 (1926 for subnormals), as in
# spec/math/f64.bend's mant and xexp
def dmant_z(+f: W.U64, z: Bool) -> W.U64:
  match z:
    case True{}:
      f
    case False{}:
      X.add(f, W.U64{0, 1048576})

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/src/math/u64.bend&name=U64
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-math@1.0.0.0/src/math/w64.bend&name=add