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Constants-conversions-and-bounds

I80-to-n80

Signature
(i80-to-n80 x) → *
Arguments: x — Guard (i80p x).

Definitions and Theorems

Function: i80-to-n80$inline

(defun i80-to-n80$inline (x)
  (declare (type (signed-byte 80) x))
  (declare (xargs :guard (i80p x)))
  (mbe :logic (loghead 80 x)
       :exec
       (if (>= x 0)
           x
         (+ x 1208925819614629174706176))))