code: def mpf_eq(s, t):
      """Test equality of two raw mpfs. This is simply tuple comparison
      unless either number is nan, in which case the result is False."""
      if not s[1] or not t[1]:
          if s == fnan or t == fnan:
              return False
      return s == t
  
imports: import math
  from bisect import bisect
  import sys
  from .backend import MPZ, MPZ_TYPE, MPZ_ZERO, MPZ_ONE, MPZ_TWO, MPZ_FIVE, BACKEND, STRICT, HASH_MODULUS, HASH_BITS, gmpy, sage, sage_utils
  from .libintmath import giant_steps, trailtable, bctable, lshift, rshift, bitcount, trailing, sqrt_fixed, numeral, isqrt, isqrt_fast, sqrtrem, bin_to_radix
label_desc: Use image node_id 27 for calling a global function with example usage: mpf_eq(s, t) and returns: unknown, False