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Representation-of-integer-conversions

Ulong-from-uint

Convert from type unsigned int to type unsigned long.

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

Definitions and Theorems

Function: ulong-from-uint

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

Theorem: ulongp-of-ulong-from-uint

(defthm ulongp-of-ulong-from-uint
  (b* ((result (ulong-from-uint x)))
    (ulongp result))
  :rule-classes :rewrite)

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

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

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

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