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Values

Value-scalarp

Check if a value is scalar [C:6.2.5/21].

Signature
(value-scalarp val) → yes/no
Arguments: val — Guard (valuep val).
Returns: yes/no — Type (booleanp yes/no).

Definitions and Theorems

Function: value-scalarp

(defun value-scalarp (val)
  (declare (xargs :guard (valuep val)))
  (let ((__function__ 'value-scalarp))
    (declare (ignorable __function__))
    (or (value-arithmeticp val)
        (value-case val :pointer))))

Theorem: booleanp-of-value-scalarp

(defthm booleanp-of-value-scalarp
  (b* ((yes/no (value-scalarp val)))
    (booleanp yes/no))
  :rule-classes :rewrite)

Theorem: value-scalarp-of-value-fix-val

(defthm value-scalarp-of-value-fix-val
  (equal (value-scalarp (value-fix val))
         (value-scalarp val)))

Theorem: value-scalarp-value-equiv-congruence-on-val

(defthm value-scalarp-value-equiv-congruence-on-val
  (implies (value-equiv val val-equiv)
           (equal (value-scalarp val)
                  (value-scalarp val-equiv)))
  :rule-classes :congruence)