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Representation-of-integer-operations

Plus-ulong

Unary plus of a value of type unsigned long [C:6.5.3].

Definitions and Theorems

Function: plus-ulong

(defun plus-ulong (x)
  (declare (xargs :guard (and (ulongp x))))
  (ulong-fix x))

Theorem: ulongp-of-plus-ulong

(defthm ulongp-of-plus-ulong
  (ulongp (plus-ulong x)))

Theorem: plus-ulong-of-ulong-fix-x

(defthm plus-ulong-of-ulong-fix-x
  (equal (plus-ulong (ulong-fix x))
         (plus-ulong x)))

Theorem: plus-ulong-ulong-equiv-congruence-on-x

(defthm plus-ulong-ulong-equiv-congruence-on-x
  (implies (ulong-equiv x x-equiv)
           (equal (plus-ulong x)
                  (plus-ulong x-equiv)))
  :rule-classes :congruence)