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Stripping-functions

Vl-gatedelay-strip

Signature
(vl-gatedelay-strip x) → new-x
Arguments: x — Guard (vl-gatedelay-p x).
Returns: new-x — Type (vl-gatedelay-p new-x).

Definitions and Theorems

Function: vl-gatedelay-strip

(defun vl-gatedelay-strip (x)
  (declare (xargs :guard (vl-gatedelay-p x)))
  (let ((__function__ 'vl-gatedelay-strip))
    (declare (ignorable __function__))
    (b* (((vl-gatedelay x) (vl-gatedelay-fix x)))
      (b* ((rise (vl-expr-strip x.rise))
           (fall (vl-expr-strip x.fall))
           (high (vl-maybe-expr-strip x.high)))
        (change-vl-gatedelay x
                             :rise rise
                             :fall fall
                             :high high)))))

Theorem: vl-gatedelay-p-of-vl-gatedelay-strip

(defthm vl-gatedelay-p-of-vl-gatedelay-strip
  (b* ((new-x (vl-gatedelay-strip x)))
    (vl-gatedelay-p new-x))
  :rule-classes :rewrite)

Theorem: vl-gatedelay-strip-of-vl-gatedelay-fix-x

(defthm vl-gatedelay-strip-of-vl-gatedelay-fix-x
  (equal (vl-gatedelay-strip (vl-gatedelay-fix x))
         (vl-gatedelay-strip x)))

Theorem: vl-gatedelay-strip-vl-gatedelay-equiv-congruence-on-x

(defthm vl-gatedelay-strip-vl-gatedelay-equiv-congruence-on-x
  (implies (vl-gatedelay-equiv x x-equiv)
           (equal (vl-gatedelay-strip x)
                  (vl-gatedelay-strip x-equiv)))
  :rule-classes :congruence)