		Search-engine friendly clone of the ACL2 documentation.

Short-value

Short-value->int

Get the int field from a short-value.

Signature
(short-value->int x) → int
Arguments: x — Guard (short-valuep x).
Returns: int — Type (sbyte16p int).

This is an ordinary field accessor created by fty::defprod.

Definitions and Theorems

Function: short-value->int$inline

(defun short-value->int$inline (x)
  (declare (xargs :guard (short-valuep x)))
  (declare (xargs :guard t))
  (let ((__function__ 'short-value->int))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and t x)))
           (acl2::sbyte16-fix (std::da-nth 0 (cdr x))))
         :exec (std::da-nth 0 (cdr x)))))

Theorem: sbyte16p-of-short-value->int

(defthm sbyte16p-of-short-value->int
  (b* ((int (short-value->int$inline x)))
    (sbyte16p int))
  :rule-classes :rewrite)

Theorem: short-value->int$inline-of-short-value-fix-x

(defthm short-value->int$inline-of-short-value-fix-x
  (equal (short-value->int$inline (short-value-fix x))
         (short-value->int$inline x)))

Theorem: short-value->int$inline-short-value-equiv-congruence-on-x

(defthm short-value->int$inline-short-value-equiv-congruence-on-x
  (implies (short-value-equiv x x-equiv)
           (equal (short-value->int$inline x)
                  (short-value->int$inline x-equiv)))
  :rule-classes :congruence)