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Representation-of-integer-conversions

Uint-from-sllong

Convert from type signed long long to type unsigned int.

Signature
(uint-from-sllong x) → result
Arguments: x — Guard (sllongp x).
Returns: result — Type (uintp result).

Definitions and Theorems

Function: uint-from-sllong

(defun uint-from-sllong (x)
  (declare (xargs :guard (sllongp x)))
  (let ((__function__ 'uint-from-sllong))
    (declare (ignorable __function__))
    (uint-from-integer-mod (integer-from-sllong x))))

Theorem: uintp-of-uint-from-sllong

(defthm uintp-of-uint-from-sllong
  (b* ((result (uint-from-sllong x)))
    (uintp result))
  :rule-classes :rewrite)

Theorem: uint-from-sllong-of-sllong-fix-x

(defthm uint-from-sllong-of-sllong-fix-x
  (equal (uint-from-sllong (sllong-fix x))
         (uint-from-sllong x)))

Theorem: uint-from-sllong-sllong-equiv-congruence-on-x

(defthm uint-from-sllong-sllong-equiv-congruence-on-x
  (implies (sllong-equiv x x-equiv)
           (equal (uint-from-sllong x)
                  (uint-from-sllong x-equiv)))
  :rule-classes :congruence)