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• Preprocessor-states

Ppstate-fix

Signature

(ppstate-fix ppstate) → ppstate

Returns

ppstate — Type (ppstatep ppstate).

Definitions and Theorems

Function: ppstate-fix

(defun ppstate-fix (ppstate)
  (declare (xargs :stobjs (ppstate)))
  (declare (xargs :guard t))
  (mbe :logic
       (if (ppstatep ppstate)
           ppstate
         (non-exec (create-ppstate)))
       :exec ppstate))

Theorem: ppstatep-of-ppstate-fix

(defthm ppstatep-of-ppstate-fix
  (b* ((ppstate (ppstate-fix ppstate)))
    (ppstatep ppstate))
  :rule-classes :rewrite)

Theorem: ppstate-fix-when-ppstatep

(defthm ppstate-fix-when-ppstatep
  (implies (ppstatep ppstate)
           (equal (ppstate-fix ppstate) ppstate)))