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• Revappend-nat-to-dec-chars

Revappend-nat-to-dec-chars-aux

Signature

(revappend-nat-to-dec-chars-aux n acc) → *

Arguments

n — Guard (natp n).

Definitions and Theorems

Function: revappend-nat-to-dec-chars-aux

(defun revappend-nat-to-dec-chars-aux (n acc)
 (declare (xargs :guard (natp n)))
 (let ((acl2::__function__ 'revappend-nat-to-dec-chars-aux))
  (declare (ignorable acl2::__function__))
  (mbe
   :logic
   (append (basic-nat-to-dec-chars n) acc)
   :exec
   (if (zp n)
       acc
    (cons
     (the
         character
         (code-char (the (unsigned-byte 8)
                         (+ (the (unsigned-byte 8) 48)
                            (the (unsigned-byte 8)
                                 (rem (the unsigned-byte n) 10))))))
     (revappend-nat-to-dec-chars-aux
          (the unsigned-byte
               (truncate (the unsigned-byte n) 10))
          acc))))))