Get the expo field from a dec-core-fconst-int.
(dec-core-fconst-int->expo x) → expo
This is an ordinary field accessor created by fty::defprod.
Function:
(defun dec-core-fconst-int->expo$inline (x) (declare (xargs :guard (dec-core-fconstp x))) (declare (xargs :guard (equal (dec-core-fconst-kind x) :int))) (let ((__function__ 'dec-core-fconst-int->expo)) (declare (ignorable __function__)) (mbe :logic (b* ((x (and (equal (dec-core-fconst-kind x) :int) x))) (dec-expo-fix (std::da-nth 1 (cdr x)))) :exec (std::da-nth 1 (cdr x)))))
Theorem:
(defthm dec-expop-of-dec-core-fconst-int->expo (b* ((expo (dec-core-fconst-int->expo$inline x))) (dec-expop expo)) :rule-classes :rewrite)
Theorem:
(defthm dec-core-fconst-int->expo$inline-of-dec-core-fconst-fix-x (equal (dec-core-fconst-int->expo$inline (dec-core-fconst-fix x)) (dec-core-fconst-int->expo$inline x)))
Theorem:
(defthm dec-core-fconst-int->expo$inline-dec-core-fconst-equiv-congruence-on-x (implies (dec-core-fconst-equiv x x-equiv) (equal (dec-core-fconst-int->expo$inline x) (dec-core-fconst-int->expo$inline x-equiv))) :rule-classes :congruence)
Theorem:
(defthm dec-core-fconst-int->expo-when-wrong-kind (implies (not (equal (dec-core-fconst-kind x) :int)) (equal (dec-core-fconst-int->expo x) (dec-expo-fix nil))))