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Vl-delaycontrol-p

Vl-simpledelaycontrol-p

Recognizer for simple delays by some natural-number amount.

Signature
(vl-simpledelaycontrol-p x) → bool
Arguments: x — Guard (vl-delaycontrol-p x).

Definitions and Theorems

Function: vl-simpledelaycontrol-p$inline

(defun vl-simpledelaycontrol-p$inline (x)
  (declare (xargs :guard (vl-delaycontrol-p x)))
  (let ((__function__ 'vl-simpledelaycontrol-p))
    (declare (ignorable __function__))
    (b* ((val (vl-delaycontrol->value x)))
      (and (vl-expr-resolved-p val)
           (<= 0 (vl-resolved->val val))))))

Theorem: vl-simpledelaycontrol-p$inline-of-vl-delaycontrol-fix-x

(defthm vl-simpledelaycontrol-p$inline-of-vl-delaycontrol-fix-x
  (equal (vl-simpledelaycontrol-p$inline (vl-delaycontrol-fix x))
         (vl-simpledelaycontrol-p$inline x)))

Theorem: vl-simpledelaycontrol-p$inline-vl-delaycontrol-equiv-congruence-on-x

(defthm
 vl-simpledelaycontrol-p$inline-vl-delaycontrol-equiv-congruence-on-x
 (implies (vl-delaycontrol-equiv x x-equiv)
          (equal (vl-simpledelaycontrol-p$inline x)
                 (vl-simpledelaycontrol-p$inline x-equiv)))
 :rule-classes :congruence)

Subtopics

Vl-simpledelaycontrol->ticks: Number of ticks for a simple delay, e.g., #5 has 5 ticks.