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• Atj-java-primitive-array-model

Int-array-read

Read a component from a Java int array.

Signature

(int-array-read array index) → component

Arguments

array — Guard (int-arrayp array).

index — Guard (int-valuep index).

Returns

component — Type (int-valuep component).

Definitions and Theorems

Function: int-array-read

(defun int-array-read (array index)
  (declare (xargs :guard (and (int-arrayp array)
                              (int-valuep index))))
  (declare (xargs :guard (int-array-index-in-range-p array index)))
  (let ((__function__ 'int-array-read))
    (declare (ignorable __function__))
    (int-value-fix (nth (int-value->int index)
                        (int-array->components array)))))

Theorem: int-valuep-of-int-array-read

(defthm int-valuep-of-int-array-read
  (b* ((component (int-array-read array index)))
    (int-valuep component))
  :rule-classes :rewrite)