		Search-engine friendly clone of the ACL2 documentation.

Vl-time

Vl-time->units

Get the units field from a vl-time.

Signature
(vl-time->units x) → units
Arguments: x — Guard (vl-time-p x).
Returns: units — Type (vl-timeunit-p units).

This is an ordinary field accessor created by defprod.

Definitions and Theorems

Function: vl-time->units$inline

(defun vl-time->units$inline (x)
  (declare (xargs :guard (vl-time-p x)))
  (declare (xargs :guard t))
  (let ((__function__ 'vl-time->units))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and t x)))
           (vl-timeunit-fix (std::prod-cdr (cdr x))))
         :exec (std::prod-cdr (cdr x)))))

Theorem: vl-timeunit-p-of-vl-time->units

(defthm vl-timeunit-p-of-vl-time->units
  (b* ((units (vl-time->units$inline x)))
    (vl-timeunit-p units))
  :rule-classes :rewrite)

Theorem: vl-time->units$inline-of-vl-time-fix-x

(defthm vl-time->units$inline-of-vl-time-fix-x
  (equal (vl-time->units$inline (vl-time-fix x))
         (vl-time->units$inline x)))

Theorem: vl-time->units$inline-vl-time-equiv-congruence-on-x

(defthm vl-time->units$inline-vl-time-equiv-congruence-on-x
  (implies (vl-time-equiv x x-equiv)
           (equal (vl-time->units$inline x)
                  (vl-time->units$inline x-equiv)))
  :rule-classes :congruence)