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\documentclass{article}
\usepackage{open-axiom}
\begin{document}
\title{\$SPAD/src/algebra sortpak.spad}
\author{The Axiom Team}
\maketitle
\begin{abstract}
\end{abstract}
\eject
\tableofcontents
\eject
\section{package SORTPAK SortPackage}
<<package SORTPAK SortPackage>>=
)abbrev package SORTPAK SortPackage
++ Description:
++ This package exports sorting algorithnms
SortPackage(S,A) : Exports == Implementation where
S: Type
A: IndexedAggregate(Integer,S)
with (finiteAggregate; shallowlyMutable)
Exports == with
bubbleSort!: (A,(S,S) -> Boolean) -> A
++ bubbleSort!(a,f) \undocumented
insertionSort!: (A, (S,S) -> Boolean) -> A
++ insertionSort!(a,f) \undocumented
if S has OrderedSet then
bubbleSort!: A -> A
++ bubbleSort!(a) \undocumented
insertionSort!: A -> A
++ insertionSort! \undocumented
Implementation == add
bubbleSort!(m,f) ==
n := #m
for i in 1..(n-1) repeat
for j in n..(i+1) by -1 repeat
if f(m.j,m.(j-1)) then swap!(m,j,j-1)
m
insertionSort!(m,f) ==
for i in 2..#m repeat
j := i
while j > 1 and f(m.j,m.(j-1)) repeat
swap!(m,j,j-1)
j := (j - 1) pretend PositiveInteger
m
if S has OrderedSet then
bubbleSort!(m) == bubbleSort!(m,_<$S)
insertionSort!(m) == insertionSort!(m,_<$S)
if A has UnaryRecursiveAggregate(S) then
bubbleSort!(m,fn) ==
empty? m => m
l := m
while not empty? (r := l.rest) repeat
r := bubbleSort!(r,fn)
x := l.first
if fn(r.first,x) then
l.first := r.first
r.first := x
l.rest := r
l := l.rest
m
@
\section{License}
<<license>>=
--Copyright (c) 1991-2002, The Numerical ALgorithms Group Ltd.
--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.
@
<<*>>=
<<license>>
<<package SORTPAK SortPackage>>
@
\eject
\begin{thebibliography}{99}
\bibitem{1} nothing
\end{thebibliography}
\end{document}
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