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4vec-operations

4vec-p-to-stringp

Converts 4vec-p into string of 0,1,x,z's msb-first

Signature
(4vec-p-to-stringp x) → x-string
Arguments: x — Guard (4vec-p x).
Returns: x-string — Type (stringp x-string).

Definitions and Theorems

Function: 4vec-p-to-stringp

(defun 4vec-p-to-stringp (x)
  (declare (xargs :guard (4vec-p x)))
  (let ((__function__ '4vec-p-to-stringp))
    (declare (ignorable __function__))
    (if (integerp x)
        (coerce (explode-atom x 2) 'string)
      (4vec-p-to-stringp-aux (car x)
                             (cdr x)
                             (max (integer-length (car x))
                                  (integer-length (cdr x)))
                             nil))))

Theorem: stringp-of-4vec-p-to-stringp

(defthm stringp-of-4vec-p-to-stringp
  (b* ((x-string (4vec-p-to-stringp x)))
    (stringp x-string))
  :rule-classes :rewrite)