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; Memoize Library
; Copyright (C) 2013 Centaur Technology
;
; Contact:
; Centaur Technology Formal Verification Group
; 7600-C N. Capital of Texas Highway, Suite 300, Austin, TX 78731, USA.
; http://www.centtech.com/
;
; License: (An MIT/X11-style license)
;
; Permission is hereby granted, free of charge, to any person obtaining a
; copy of this software and associated documentation files (the "Software"),
; to deal in the Software without restriction, including without limitation
; the rights to use, copy, modify, merge, publish, distribute, sublicense,
; and/or sell copies of the Software, and to permit persons to whom the
; Software is furnished to do so, subject to the following conditions:
;
; The above copyright notice and this permission notice shall be included in
; all copies or substantial portions of the Software.
;
; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
; AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
; FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
; DEALINGS IN THE SOFTWARE.
;
; Original author: Jared Davis <jared@centtech.com>
;
; This library is a descendant of the memoization scheme developed by Bob Boyer
; and Warren A. Hunt, Jr. which was incorporated into the HONS version of ACL2,
; sometimes called ACL2(h).
(in-package "MEMOIZE")
;; basic tests of return-value/argument stuff
(assert (equal (numargs 'length) 1))
(assert (equal (numargs 'binary-append) 2))
(assert (equal (numvals 'length) 1))
(assert (equal (numargs 'open-input-channel) 3))
(assert (equal (numvals 'open-input-channel) 2))
#+Clozure
(assert (equal (numargs 'numargs) 1))
#+Clozure
(assert (equal (numargs 'numvals) 1))
(assert (not (numargs 'frob)))
(assert (not (numvals 'frob)))
(declare-numargs 'frob 3 7)
(assert (equal (numargs 'frob) 3))
(assert (equal (numvals 'frob) 7))
;; some special forms that should not have fixed arities
(assert (not (numargs 'let)))
(assert (not (numargs 'let*)))
(assert (not (numargs 'append)))
(assert (not (numargs 'if)))
(assert (not (numargs 'return-last)))
(assert (not (numargs 'mv)))
(assert (not (numargs 'mv-let)))
(assert (not (numargs 'lambda)))
(assert (not (numvals 'let)))
(assert (not (numvals 'let*)))
(assert (not (numvals 'append)))
(assert (not (numvals 'if)))
(assert (not (numvals 'return-last)))
(assert (not (numvals 'mv)))
(assert (not (numvals 'mv-let)))
(assert (not (numargs 'lambda)))
;; basic time measurement accuracy
#||
commenting out this check for now, since it sometimes fails on certain machines.
(assert
(let* ((start (ticks))
(wait (sleep 3))
(end (ticks))
(secs (/ (- end start) (ticks-per-second))))
(format t "Measured time for sleeping 3 seconds: ~a~%" secs)
(and (<= 2.8 secs)
(<= secs 3.2))))
(assert
(let* ((start (ticks))
(wait (sleep 2))
(end (ticks))
(secs (/ (- end start) (ticks-per-second))))
(format t "Measured time for sleeping 2 seconds: ~a~%" secs)
(and (<= 1.85 secs)
(<= secs 2.15))))
(assert
(let* ((start (ticks))
(wait (sleep 1))
(end (ticks))
(secs (/ (- end start) (ticks-per-second))))
(format t "Measured time for sleeping 1 seconds: ~a~%" secs)
(and (<= 0.9 secs)
(<= secs 1.1))))
||#
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