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authordos-reis <gdr@axiomatics.org>2013-05-26 08:26:06 +0000
committerdos-reis <gdr@axiomatics.org>2013-05-26 08:26:06 +0000
commit3d124313d289fd42013e52f600283c99f8d0211a (patch)
tree247fcfab11b70dfa40b711b1653d539673577f3e /src/interp/bits.lisp
parentcbd17230112800448956940165f541d7c49d0dc5 (diff)
downloadopen-axiom-3d124313d289fd42013e52f600283c99f8d0211a.tar.gz
Define lexicographical ordering on Bits in Spad
Diffstat (limited to 'src/interp/bits.lisp')
-rw-r--r--src/interp/bits.lisp55
1 files changed, 0 insertions, 55 deletions
diff --git a/src/interp/bits.lisp b/src/interp/bits.lisp
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--- a/src/interp/bits.lisp
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@@ -1,55 +0,0 @@
-;; Copyright (c) 1991-2002, The Numerical ALgorithms Group Ltd.
-;; All rights reserved.
-;; Copyright (C) 2007-2011, Gabriel Dos Reis.
-;; All rights reserved.
-;;
-;; Redistribution and use in source and binary forms, with or without
-;; modification, are permitted provided that the following conditions are
-;; met:
-;;
-;; - Redistributions of source code must retain the above copyright
-;; notice, this list of conditions and the following disclaimer.
-;;
-;; - Redistributions in binary form must reproduce the above copyright
-;; notice, this list of conditions and the following disclaimer in
-;; the documentation and/or other materials provided with the
-;; distribution.
-;;
-;; - Neither the name of The Numerical ALgorithms Group Ltd. nor the
-;; names of its contributors may be used to endorse or promote products
-;; derived from this software without specific prior written permission.
-;;
-;; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
-;; IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
-;; TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
-;; PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
-;; OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-;; EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-;; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-;; PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-;; LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-;; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-;; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-;;; The types "bit" and "bit vector" are implemented differently
-;;; in different variants of lisp.
-;;; These lisp macros/functions will have different implementations
-;;; on different lisp systems.
-
-;;; The operations which traverse entire vectors are given as functions
-;;; since the function calling overhead will be relatively small.
-;;; The operations which extract or set a single part of the vector are
-;;; provided as macros.
-
-(IMPORT-MODULE "boot-pkg")
-(in-package "BOOT")
-
-;;; SMW Nov 88: Created
-
-(defun bvec-greater (bv1 bv2)
- (let ((pos (mismatch bv1 bv2)))
- (cond ((or (null pos) (>= pos (length bv1))) nil)
- ((< pos (length bv2)) (> (bit bv1 pos) (bit bv2 pos)))
- ((find 1 bv1 :start pos) t)
- (t nil))))