(3) -> hash 1.0
Function:  hashUpdate! : (HashState,%) -> HashState is missing from
domain: Float
   Internal Error
   The function hashUpdate! with signature (HashState)(HashState)$ is
      missing from domain Float


Currently Float is represented by 2 parts:

(1) -> (log10 100) pretend SEX

   (1)  (147573952589676412928 . - 66)

(2) -> factor 147573952589676412928

         67
   (2)  2


The representation can vary when "bits" changed:
(1) -> bits(10)

   (1)  68

(2) -> (log10 100) pretend SEX

   (2)  (512 . - 8)


Equal values should have equal hash.  I want to know
for "Rep := Record( mantissa : I, exponent : I )", we take
the hash of (mantissa/2^exponent), is that good?

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