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\documentclass{article}
\usepackage{open-axiom}
\begin{document}
\title{\$SPAD/src/algebra out.spad}
\author{Stephen M. Watt, Robert S. Sutor}
\maketitle

\begin{abstract}
\end{abstract}

\tableofcontents
\eject

\section{package OUT OutputPackage}

<<package OUT OutputPackage>>=
import Void
import String
import OutputForm
import List Any
)abbrev package OUT OutputPackage
++ Author: Stephen M. Watt
++ Date Created: February 1986
++ Date Last Updated: October 27 1995 (MCD)
++ Basic Operations: output
++ Related Constructors: OutputForm
++ Also See:
++ AMS Classifications:
++ Keywords:
++ References:
++ Description: OutPackage allows pretty-printing from programs.

OutputPackage: with
        output: String -> Void
            ++ output(s) displays the string s on the ``algebra output''
            ++ stream, as defined by \spadsyscom{set output algebra}.
        output: OutputForm -> Void
            ++ output(x) displays the output form x on the
            ++ ``algebra output'' stream, as defined by
            ++ \spadsyscom{set output algebra}.
        output: (String, OutputForm) -> Void
            ++ output(s,x) displays the string s followed by the form x
            ++ on the ``algebra output'' stream, as defined by
            ++ \spadsyscom{set output algebra}.
        outputList: (List Any) -> Void
            ++ outputList(l) displays the concatenated components of the
            ++ list l on the ``algebra output'' stream, as defined by
            ++ \spadsyscom{set output algebra}; quotes are stripped
	    ++ from strings.

    == add
        --ExpressionPackage()
        E      ==> OutputForm
        putout ==> mathprint$Lisp

        s: String
        e: OutputForm
        l: List Any

        output e ==
            mathprint(e)$Lisp
            void()
        output s ==
            output(s:E)
        output(s,e) ==
            output blankSeparate [s:E, e]
        outputList(l) ==                                -- MGR
	  output hconcat
	    [if retractable?(x)$AnyFunctions1(String) then
                message(retract(x)$AnyFunctions1(String))$OutputForm
              else
                x::OutputForm
             for x in l]

@
\section{package SPECOUT SpecialOutputPackage}
<<package SPECOUT SpecialOutputPackage>>=
)abbrev package SPECOUT SpecialOutputPackage
++ Author: Stephen M. Watt
++ Date Created: September 1986
++ Date Last Updated: May 23, 1991
++ Basic Operations: outputAsFortran, outputAsScript, outputAsTex
++ Related Constructors:
++ Also See:
++ AMS Classifications:
++ Keywords:
++ References:
++ Description: SpecialOutputPackage allows FORTRAN, Tex and
++   Script Formula Formatter output from programs.

SpecialOutputPackage: public == private where
  public == with
    outputAsFortran: (String,OutputForm) -> Void
      ++ outputAsFortran(v,o) sends output v = o in FORTRAN format
      ++ to the destination defined by \spadsyscom{set output fortran}.
    outputAsFortran: OutputForm          -> Void
      ++ outputAsFortran(o) sends output o in FORTRAN format.
    outputAsScript:  OutputForm          -> Void
      ++ outputAsScript(o) sends output o in Script Formula Formatter format
      ++ to the destination defined by \spadsyscom{set output formula}.
    outputAsTex:     OutputForm          -> Void
      ++ outputAsTex(o) sends output o in Tex format to the destination
      ++ defined by \spadsyscom{set output tex}.
    outputAsFortran: List OutputForm     -> Void
      ++ outputAsFortran(l) sends (for each expression in the list l)
      ++ output in FORTRAN format to the destination defined by
      ++ \spadsyscom{set output fortran}.
    outputAsScript:  List OutputForm     -> Void
      ++ outputAsScript(l) sends (for each expression in the list l)
      ++ output in Script Formula Formatter format to the destination defined.
      ++ by \spadsyscom{set output forumula}.
    outputAsTex:     List OutputForm     -> Void
      ++ outputAsTex(l) sends (for each expression in the list l)
      ++ output in Tex format to the destination as defined by
      ++ \spadsyscom{set output tex}.

  private == add
    e : OutputForm
    l : List OutputForm
    var : String
    --ExpressionPackage()

    juxtaposeTerms: List OutputForm -> OutputForm
    juxtaposeTerms l == blankSeparate l

    outputAsFortran e ==
      dispfortexp$Lisp e
      void()$Void

    outputAsFortran(var,e) ==
      e := var::Symbol::OutputForm  = e
      dispfortexp(e)$Lisp
      void()$Void

    outputAsFortran l ==
      dispfortexp$Lisp juxtaposeTerms l
      void()$Void

    outputAsScript e ==
      formulaFormat$Lisp e
      void()$Void

    outputAsScript l ==
      formulaFormat$Lisp juxtaposeTerms l
      void()$Void

    outputAsTex e ==
      texFormat$Lisp e
      void()$Void

    outputAsTex l ==
      texFormat$Lisp juxtaposeTerms l
      void()$Void

@
\section{package DISPLAY DisplayPackage}
<<package DISPLAY DisplayPackage>>=
)abbrev package DISPLAY DisplayPackage
++ Author: Robert S. Sutor
++ Date Created: September 1986
++ Date Last Updated:
++ Basic Operations: bright, newLine, copies, center, say, sayLength
++ Related Constructors:
++ Also See:
++ AMS Classifications:
++ Keywords:
++ References:
++ Description: DisplayPackage allows one to print strings in a nice manner,
++ including highlighting substrings.

DisplayPackage: public == private where
  I       ==> Integer
  L       ==> List
  S       ==> String
  RECLR   ==> Record(lhs : S, rhs : S)

  public  == with
    bright:       S           -> L S
      ++ bright(s) sets the font property of the string s to bold-face type.
    bright:       L S         -> L S
      ++ bright(l) sets the font property of a list of strings, l, to
      ++ bold-face type.
    newLine:      ()          -> S
      ++ newLine() sends a new line command to output.

    copies:       (I,S)       -> S
      ++ copies(i,s) will take a string s and create a new string composed of
      ++ i copies of s.
    center:       (S,I,S)     -> S
      ++ center(s,i,s) takes the first string s, and centers it within a string
      ++ of length i, in which the other elements of the string are composed
      ++ of as many replications as possible of the second indicated string, s
      ++ which must have a length greater than that of an empty string.
    center:       (L S,I,S)   -> L S
      ++ center(l,i,s) takes a list of strings l, and centers them within a
      ++ list of strings which is i characters long, in which the remaining
      ++ spaces are filled with strings composed of as many repetitions as
      ++ possible of the last string parameter s.

    say:          S           -> Void
      ++ say(s) sends a string s to output.
    say:          L S         -> Void
      ++ say(l) sends a list of strings l to output.
    sayLength:    S           -> I
      ++ sayLength(s) returns the length of a string s as an integer.
    sayLength:    L S         -> I
      ++ sayLength(l) returns the length of a list of strings l as an integer.

  private == add
    --StringManipulations()

    center0:  (I,I,S) -> RECLR

    s : S
    l : L S

    HION    : S := "%b"
    HIOFF   : S := "%d"
    NEWLINE : S := "%l"

    bright s == [HION,s,HIOFF]$(L S)
    bright l == cons(HION,append(l,list HIOFF))
    newLine() == NEWLINE

    copies(n : I, s : S) ==
      n < 1 => ""
      n = 1 => s
      t : S := copies(n quo 2, s)
      odd? n => concat [s,t,t]
      concat [t,t]

    center0(len : I, wid : I, fill : S) : RECLR ==
      (wid < 1) or (len >= wid) => ["",""]$RECLR
      m : I := (wid - len) quo 2
      t : S := copies(1 + (m quo (sayLength fill)),fill)
      [t(1..m),t(1..wid-len-m)]$RECLR

    center(s, wid, fill) ==
      wid < 1 => ""
      len : I := sayLength s
      len = wid => s
      len > wid => s(1..wid)
      rec : RECLR := center0(len,wid,fill)
      concat [rec.lhs,s,rec.rhs]

    center(l, wid, fill) ==
      wid < 1 => [""]$(L S)
      len : I := sayLength l
      len = wid => l
--    len > wid => s(1..wid)
      rec : RECLR := center0(len,wid,fill)
      cons(rec.lhs,append(l,list rec.rhs))

    say s ==
      sayBrightly$Lisp s
      void()$Void

    say l ==
      sayBrightly$Lisp l
      void()$Void

    sayLength s == #s

    sayLength l ==
      sum : I := 0
      for s in l repeat
        s = HION      => sum := sum + 1
        s = HIOFF     => sum := sum + 1
        s = NEWLINE   => sum
        sum := sum + sayLength s
      sum

@
\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 OUT OutputPackage>>
<<package SPECOUT SpecialOutputPackage>>
<<package DISPLAY DisplayPackage>>
@
\eject
\begin{thebibliography}{99}
\bibitem{1} nothing
\end{thebibliography}
\end{document}