		Search-engine friendly clone of the ACL2 documentation.

Numeric-value

Numeric-value-kind

Get the kind (tag) of a numeric-value structure.

Signature
(numeric-value-kind acl2::x) → kind
Arguments: acl2::x — Guard (numeric-valuep acl2::x).

Definitions and Theorems

Function: numeric-value-kind$inline

(defun numeric-value-kind$inline (acl2::x)
  (declare (xargs :guard (numeric-valuep acl2::x)))
  (let ((__function__ 'numeric-value-kind))
    (declare (ignorable __function__))
    (cond ((char-valuep acl2::x) :char)
          ((byte-valuep acl2::x) :byte)
          ((short-valuep acl2::x) :short)
          ((int-valuep acl2::x) :int)
          ((long-valuep acl2::x) :long)
          ((float-valuep acl2::x) :float)
          (t :double))))

Theorem: numeric-value-kind-possibilities

(defthm numeric-value-kind-possibilities
  (or (equal (numeric-value-kind acl2::x)
             :char)
      (equal (numeric-value-kind acl2::x)
             :byte)
      (equal (numeric-value-kind acl2::x)
             :short)
      (equal (numeric-value-kind acl2::x)
             :int)
      (equal (numeric-value-kind acl2::x)
             :long)
      (equal (numeric-value-kind acl2::x)
             :float)
      (equal (numeric-value-kind acl2::x)
             :double))
  :rule-classes
  ((:forward-chaining
        :trigger-terms ((numeric-value-kind acl2::x)))))