F64.is_nan: def of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/spec/math/f64.bend as F64
Lines 123-124 of bend-collections-laws-crypto@1.0.0.0/spec/math/f64.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/math/f64.bend&start_line=123&end_line=124

import Base
import bend-collections-laws-crypto@1.0.0.0/src/math/f64.bend as F

def is_nan(+x: F.F64) -> Bool:
  Bool.and(Nat.is_eq(efield(x), 2047n), Bool.not(Nat.is_eq(frac(x), 0n)))

Uses (7):
  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.not
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_eq
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/math/f64.bend&name=efield
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/math/f64.bend&name=frac
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/math/f64.bend&name=F64