		Search-engine friendly clone of the ACL2 documentation.

Fsuffix

Fsuffix-kind

Get the kind (tag) of a fsuffix structure.

Signature
(fsuffix-kind f) → kind
Arguments: f — Guard (fsuffixp f).

Definitions and Theorems

Function: fsuffix-kind$inline

(defun fsuffix-kind$inline (f)
  (declare (xargs :guard (fsuffixp f)))
  (mbe :logic (cond ((or (atom f) (eq (car f) :locase-f))
                     :locase-f)
                    ((eq (car f) :upcase-f) :upcase-f)
                    ((eq (car f) :locase-l) :locase-l)
                    ((eq (car f) :upcase-l) :upcase-l)
                    ((eq (car f) :locase-f16) :locase-f16)
                    ((eq (car f) :locase-f32) :locase-f32)
                    ((eq (car f) :locase-f64) :locase-f64)
                    ((eq (car f) :locase-f128) :locase-f128)
                    ((eq (car f) :upcase-f16) :upcase-f16)
                    ((eq (car f) :upcase-f32) :upcase-f32)
                    ((eq (car f) :upcase-f64) :upcase-f64)
                    (t :upcase-f128))
       :exec (car f)))

Theorem: fsuffix-kind-possibilities

(defthm fsuffix-kind-possibilities
  (or (equal (fsuffix-kind f) :locase-f)
      (equal (fsuffix-kind f) :upcase-f)
      (equal (fsuffix-kind f) :locase-l)
      (equal (fsuffix-kind f) :upcase-l)
      (equal (fsuffix-kind f) :locase-f16)
      (equal (fsuffix-kind f) :locase-f32)
      (equal (fsuffix-kind f) :locase-f64)
      (equal (fsuffix-kind f) :locase-f128)
      (equal (fsuffix-kind f) :upcase-f16)
      (equal (fsuffix-kind f) :upcase-f32)
      (equal (fsuffix-kind f) :upcase-f64)
      (equal (fsuffix-kind f) :upcase-f128))
  :rule-classes
  ((:forward-chaining :trigger-terms ((fsuffix-kind f)))))