F64.is_nan: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/src/math/f64.bend as F64
Lines 72-73 of bend-collections@1.0.0.0/src/math/f64.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/src/math/f64.bend&start_line=72&end_line=73

import Base

def is_nan(+x: F64) -> Bool:
  Bool.and(Nat.is_eq(exp_field(x), 2047n), nz(frac(x)))

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=Nat.is_eq
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/math/f64.bend&name=F64
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/math/f64.bend&name=exp_field
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/math/f64.bend&name=frac
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/math/f64.bend&name=nz