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|
-- Copyright (c) 1991-2002, The Numerical ALgorithms Group Ltd.
-- All rights reserved.
-- Copyright (C) 2007-2010, 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.
import sys_-macros
namespace BOOT
--Modified JHD February 1993: see files miscout.input for some tests of this
-- General principle is that maprin0 is the top-level routine,
-- which calls maprinChk to print the object (placing certain large
-- matrices on a look-aside list), then calls maprinRows to print these.
-- These prints call maprinChk recursively, and maprinChk has to ensure that
-- we do not end up in an infinite recursion: matrix1 = matrix2 ...
--% Output display routines
$defaultSpecialCharacters == [
EBCDIC( 28), -- upper left corner
EBCDIC( 27), -- upper right corner
EBCDIC( 30), -- lower left corner
EBCDIC( 31), -- lower right corner
EBCDIC( 79), -- vertical bar
EBCDIC( 45), -- horizontal bar
EBCDIC(144), -- APL quad
EBCDIC(173), -- left bracket
EBCDIC(189), -- right bracket
EBCDIC(192), -- left brace
EBCDIC(208), -- right brace
EBCDIC( 59), -- top box tee
EBCDIC( 62), -- bottom box tee
EBCDIC( 63), -- right box tee
EBCDIC( 61), -- left box tee
EBCDIC( 44), -- center box tee
EBCDIC(224) -- back slash
]
$plainSpecialCharacters0 == [
EBCDIC( 78), -- upper left corner (+)
EBCDIC( 78), -- upper right corner (+)
EBCDIC( 78), -- lower left corner (+)
EBCDIC( 78), -- lower right corner (+)
EBCDIC( 79), -- vertical bar
EBCDIC( 96), -- horizontal bar (-)
EBCDIC(111), -- APL quad (?)
EBCDIC(173), -- left bracket
EBCDIC(189), -- right bracket
EBCDIC(192), -- left brace
EBCDIC(208), -- right brace
EBCDIC( 78), -- top box tee (+)
EBCDIC( 78), -- bottom box tee (+)
EBCDIC( 78), -- right box tee (+)
EBCDIC( 78), -- left box tee (+)
EBCDIC( 78), -- center box tee (+)
EBCDIC(224) -- back slash
]
$plainSpecialCharacters1 == [
EBCDIC(107), -- upper left corner (,)
EBCDIC(107), -- upper right corner (,)
EBCDIC(125), -- lower left corner (')
EBCDIC(125), -- lower right corner (')
EBCDIC( 79), -- vertical bar
EBCDIC( 96), -- horizontal bar (-)
EBCDIC(111), -- APL quad (?)
EBCDIC(173), -- left bracket
EBCDIC(189), -- right bracket
EBCDIC(192), -- left brace
EBCDIC(208), -- right brace
EBCDIC( 78), -- top box tee (+)
EBCDIC( 78), -- bottom box tee (+)
EBCDIC( 78), -- right box tee (+)
EBCDIC( 78), -- left box tee (+)
EBCDIC( 78), -- center box tee (+)
EBCDIC(224) -- back slash
]
$plainSpecialCharacters2 == [
EBCDIC( 79), -- upper left corner (|)
EBCDIC( 79), -- upper right corner (|)
EBCDIC( 79), -- lower left corner (|)
EBCDIC( 79), -- lower right corner (|)
EBCDIC( 79), -- vertical bar
EBCDIC( 96), -- horizontal bar (-)
EBCDIC(111), -- APL quad (?)
EBCDIC(173), -- left bracket
EBCDIC(189), -- right bracket
EBCDIC(192), -- left brace
EBCDIC(208), -- right brace
EBCDIC( 78), -- top box tee (+)
EBCDIC( 78), -- bottom box tee (+)
EBCDIC( 78), -- right box tee (+)
EBCDIC( 78), -- left box tee (+)
EBCDIC( 78), -- center box tee (+)
EBCDIC(224) -- back slash
]
$plainSpecialCharacters3 == [
EBCDIC( 96), -- upper left corner (-)
EBCDIC( 96), -- upper right corner (-)
EBCDIC( 96), -- lower left corner (-)
EBCDIC( 96), -- lower right corner (-)
EBCDIC( 79), -- vertical bar
EBCDIC( 96), -- horizontal bar (-)
EBCDIC(111), -- APL quad (?)
EBCDIC(173), -- left bracket
EBCDIC(189), -- right bracket
EBCDIC(192), -- left brace
EBCDIC(208), -- right brace
EBCDIC( 78), -- top box tee (+)
EBCDIC( 78), -- bottom box tee (+)
EBCDIC( 78), -- right box tee (+)
EBCDIC( 78), -- left box tee (+)
EBCDIC( 78), -- center box tee (+)
EBCDIC(224) -- back slash
]
$plainRTspecialCharacters == [
'_+, -- upper left corner (+)
'_+, -- upper right corner (+)
'_+, -- lower left corner (+)
'_+, -- lower right corner (+)
'_|, -- vertical bar
'_-, -- horizontal bar (-)
'_?, -- APL quad (?)
'_[, -- left bracket
'_], -- right bracket
'_{, -- left brace
'_}, -- right brace
'_+, -- top box tee (+)
'_+, -- bottom box tee (+)
'_+, -- right box tee (+)
'_+, -- left box tee (+)
'_+, -- center box tee (+)
'_\ -- back slash
]
++ End of Transmission character; usually to the Algebra Output
++ Stream in lean mode.
$RecordSeparator == CODE_-CHAR 30
makeCharacter n ==> INTERN(STRING(CODE_-CHAR n))
$RTspecialCharacters == [
makeCharacter 218, -- upper left corner (+)
makeCharacter 191, -- upper right corner (+)
makeCharacter 192, -- lower left corner (+)
makeCharacter 217, -- lower right corner (+)
makeCharacter 179, -- vertical bar
makeCharacter 196, -- horizontal bar (-)
$quadSymbol, -- APL quad (?)
'_[, -- left bracket
'_], -- right bracket
'_{, -- left brace
'_}, -- right brace
makeCharacter 194, -- top box tee (+)
makeCharacter 193, -- bottom box tee (+)
makeCharacter 180, -- right box tee (+)
makeCharacter 195, -- left box tee (+)
makeCharacter 197, -- center box tee (+)
'_\ -- back slash
]
$specialCharacters := $RTspecialCharacters
$specialCharacterAlist == '(
(ulc . 0)_
(urc . 1)_
(llc . 2)_
(lrc . 3)_
(vbar . 4)_
(hbar . 5)_
(quad . 6)_
(lbrk . 7)_
(rbrk . 8)_
(lbrc . 9)_
(rbrc . 10)_
(ttee . 11)_
(btee . 12)_
(rtee . 13)_
(ltee . 14)_
(ctee . 15)_
(bslash . 16)_
)
MATBORCH == '"*"
_*TALLPAR := false
$collectOutput := false
--% Output functions dispatch tables.
for x in '((+ WIDTH sumWidth)
(_- APP appneg)
(_- WIDTH minusWidth)
(_/ APP appfrac)
(_/ SUBSPAN fracsub)
(_/ SUPERSPAN fracsuper)
(_/ WIDTH fracwidth)
(AGGSET APP argsapp)
(AGGSET SUBSPAN agggsub)
(AGGSET SUPERSPAN agggsuper)
(AGGSET WIDTH agggwidth)
(binom APP binomApp)
(binomSUBSPAN binomSub)
(binom SUPERSPAN binomSuper)
(binom WIDTH binomWidth)
(ALTSUPERSUB APP altSuperSubApp)
(ALTSUPERSUB SUBSPAN altSuperSubSub)
(ALTSUPERSUB SUPERSPAN altSuperSubSuper)
(ALTSUPERSUB WIDTH altSuperSubWidth)
(BOX APP boxApp)
(BOX SUBSPAN boxSub)
(BOX SUPERSPAN boxSuper)
(BOX WIDTH boxWidth)
(BRACKET SUBSPAN qTSub)
(BRACKET SUPERSPAN qTSuper)
(BRACKET WIDTH qTWidth)
(CENTER APP centerApp)
(EXT APP appext)
(EXT SUBSPAN extsub)
(EXT SUPERSPAN extsuper)
(EXT WIDTH extwidth)
(MATRIX APP appmat)
(MATRIX SUBSPAN matSub)
(MATRIX SUPERSPAN matSuper)
(MATRIX WIDTH matWidth)
(NOTHING APP nothingApp)
(NOTHING SUPERSPAN nothingSuper)
(NOTHING SUBSPAN nothingSub)
(NOTHING WIDTH nothingWidth)
(OVER APP appfrac)
(OVER SUBSPAN fracsub)
(OVER SUPERSPAN fracsuper)
(OVER WIDTH fracwidth)
(OVERLABEL APP overlabelApp)
(OVERLABEL SUPERSPAN overlabelSuper)
(OVERLABEL WIDTH overlabelWidth)
(OVERBAR APP overbarApp)
(OVERBAR SUPERSPAN overbarSuper)
(OVERBAR WIDTH overbarWidth)
(PAREN APP appparu1)
(PAREN SUBSPAN qTSub)
(PAREN SUPERSPAN qTSuper)
(PAREN WIDTH qTWidth)
(ROOT APP rootApp)
(ROOT SUBSPAN rootSub)
(ROOT SUPERSPAN rootSuper)
(ROOT WIDTH rootWidth)
(ROW WIDTH eq0)
(SC APP appsc)
(SC SUBSPAN agggsub)
(SC SUPERSPAN agggsuper)
(SC WIDTH widthSC)
(SETQ APP appsetq)
(SETQ WIDTH letWidth)
(SLASH APP slashApp)
(SLASH SUBSPAN slashSub)
(SLASH SUPERSPAN slashSuper)
(SLASH WIDTH slashWidth)
(SUB APP appsub)
(SUB SUBSPAN subSub)
(SUB SUPERSPAN subSuper)
(SUB WIDTH suScWidth)
(SUPERSUB APP superSubApp)
(SUPERSUB SUBSPAN superSubSub)
(SUPERSUB SUPERSPAN superSubSuper)
(SUPERSUB WIDTH superSubWidth)
(VCONCAT APP vconcatapp)
(VCONCAT SUBSPAN vConcatSub)
(VCONCAT SUPERSPAN vConcatSuper)
(VCONCAT WIDTH vConcatWidth)
(BINOMIAL APP binomialApp)
(BINOMIAL SUBSPAN binomialSub)
(BINOMIAL SUPERSPAN binomialSuper)
(BINOMIAL WIDTH binomialWidth)
(ZAG APP zagApp)
(ZAG SUBSPAN zagSub)
(ZAG SUPERSPAN zagSuper)
(ZAG WIDTH zagWidth))
repeat
property(first x, second x) := third x
for x in '((+ APP plusApp)
(* APP timesApp)
(* WIDTH timesWidth)
(** APP exptApp)
(** WIDTH exptWidth)
(** SUBSPAN exptSub)
(** SUPERSPAN exptSuper)
(^ APP exptApp)
(^ WIDTH exptWidth)
(^ SUBSPAN exptSub)
(^ SUPERSPAN exptSuper)
(STEP APP stepApp)
(STEP WIDTH stepWidth)
(STEP SUBSPAN stepSub)
(STEP SUPERSPAN stepSuper)
(IN APP inApp)
(IN WIDTH inWidth)
(IN SUBSPAN inSub)
(IN SUPERSPAN inSuper)
(AGGLST APP aggApp)
(AGGLST SUBSPAN aggSub)
(AGGLST SUPERSPAN aggSuper)
(CONCATB APP concatbApp)
(CONCATB SUBSPAN concatSub)
(CONCATB SUPERSPAN concatSuper)
(CONCATB WIDTH concatbWidth)
(CONCAT APP concatApp)
(CONCAT SUBSPAN concatSub)
(CONCAT SUPERSPAN concatSuper)
(CONCAT WIDTH concatWidth)
(QUOTE APP quoteApp)
(QUOTE SUBSPAN quoteSub)
(QUOTE SUPERSPAN quoteSuper)
(QUOTE WIDTH quoteWidth)
(STRING APP stringApp)
(STRING SUBSPAN eq0)
(STRING SUPERSPAN eq0)
(STRING WIDTH stringWidth)
(SIGMA APP sigmaApp)
(SIGMA SUBSPAN sigmaSub)
(SIGMA SUPERSPAN sigmaSup)
(SIGMA WIDTH sigmaWidth)
(SIGMA2 APP sigma2App)
(SIGMA2 SUBSPAN sigma2Sub)
(SIGMA2 SUPERSPAN sigma2Sup)
(SIGMA2 WIDTH sigma2Width)
(INTSIGN APP intApp)
(INTSIGN SUBSPAN intSub)
(INTSIGN SUPERSPAN intSup)
(INTSIGN WIDTH intWidth)
(INDEFINTEGRAL APP indefIntegralApp)
(INDEFINTEGRAL SUBSPAN indefIntegralSub)
(INDEFINTEGRAL SUPERSPAN indefIntegralSup)
(INDEFINTEGRAL WIDTH indefIntegralWidth)
(PI APP piApp)
(PI SUBSPAN piSub)
(PI SUPERSPAN piSup)
(PI WIDTH piWidth)
(PI2 APP pi2App)
(PI2 SUBSPAN pi2Sub)
(PI2 SUPERSPAN pi2Sup)
(PI2 WIDTH pi2Width)
(AGGLST WIDTH aggWidth)
(BRACKET APP bracketApp)
(BRACE APP braceApp)
(BRACE WIDTH qTWidth))
repeat
property(first x, second x) := third x
--%
specialChar(symbol) ==
-- looks up symbol in $specialCharacterAlist, gets the index
-- into the EBCDIC table, and returns the appropriate character
null (code := IFCDR ASSQ(symbol,$specialCharacterAlist)) => '"?"
$specialCharacters.code
rbrkSch() == PNAME specialChar 'rbrk
lbrkSch() == PNAME specialChar 'lbrk
quadSch() == PNAME specialChar 'quad
isBinaryInfix x ==
member(x, '(_= _+ _- _* _/ _*_* _^ "=" "+" "-" "*" "/" "**" "^"))
stringApp([.,u],x,y,d) ==
appChar(strconc($DoubleQuote,atom2String u,$DoubleQuote),x,y,d)
stringWidth u ==
u is [.,u] or THROW('outputFailure,'outputFailure)
2+#u
obj2String o ==
atom o =>
string? o => o
o = " " => '" "
o = ")" => '")"
o = "(" => '"("
STRINGIMAGE o
apply(function strconc,[obj2String o' for o' in o])
APP(u,x,y,d) ==
atom u => appChar(atom2String u,x,y,d)
u is [[op,:.],a] and (s:= GETL(op,'PREFIXOP)) =>
GETL(op,'isSuffix) => appChar(s,x+WIDTH a,y,APP(a,x,y,d))
APP(a,x+#s,y,appChar(s,x,y,d))
u is [[id,:.],:.] =>
fn := GETL(id,'APP) => FUNCALL(fn,u,x,y,d)
not integer? id and (d':= appInfix(u,x,y,d))=> d'
appelse(u,x,y,d)
appelse(u,x,y,d)
atom2String x ==
IDENTP x => PNAME x
string? x => x
stringer x
-- General convention in the "app..." functions:
-- Added from an attempt to fix bugs by JHD: 2 Aug 89
-- the first argument is what has to be printed
-- the second - x - is the horizontal distance along the page
-- at which to start
-- the third - y - is some vertical hacking control
-- the foruth - d - is the "layout" so far
-- these functions return an updated "layout so far" in general
appChar(string,x,y,d) ==
if CHARP string then string := PNAME string
line:= LASSOC(y,d) =>
if MAXINDEX string = 1 and string.0 = char "%" then
string.1 = char "b" =>
bumpDeltaIfTrue:= true
string.0:= EBCDIC 29
string.1:= EBCDIC 200
string.1 = char "d" =>
bumpDeltaIfTrue:= true
string.0:= EBCDIC 29
string.1:= EBCDIC 65
shiftedX:= (y=0 => x+$highlightDelta; x)
--shift x for brightening characters -- presently only if y=0
RPLACSTR(line,shiftedX,n:=#string,string,0,n)
if bumpDeltaIfTrue=true then $highlightDelta:= $highlightDelta+1
d
appChar(string,x,y,nconc(d,[[y,:GETFULLSTR(10+$LINELENGTH+$MARGIN," ")]]))
print(x,domain) ==
dom:= devaluate domain
$InteractiveMode: local:= true
$dontDisplayEquatnum: local:= true
output(x,dom)
mathprintWithNumber x ==
x:= outputTran x
maprin
$IOindex => ['EQUATNUM,$IOindex,x]
x
mathprint(x,out == $OutputStream) ==
x := outputTran x
maprin x
sayMath u ==
for x in u repeat acc:= concat(acc,linearFormatName x)
sayALGEBRA acc
--% Output transformations
outputTran x ==
member(x,'("failed" "nil" "prime" "sqfr" "irred")) =>
strconc('"_"",x,'"_"")
string? x => x
vector? x =>
outputTran ['BRACKET,['AGGLST,:[x.i for i in 0..MAXINDEX x]]]
integer? x =>
MINUSP x => ["-",MINUS x]
x
atom x =>
x=$EmptyMode => specialChar 'quad
x
x is [c,var,mode] and c in '(_pretend _: _:_: _@) =>
var := outputTran var
if cons? var then var := ['PAREN,var]
['CONCATB,var,c,obj2String prefix2String mode]
x is ['ADEF,vars,.,.,body] =>
vars :=
vars is [x] => x
["tuple",:vars]
outputTran ["+->", vars, body]
x is ['MATRIX,:m] => outputTranMatrix m
x is ['matrix,['construct,c]] and
c is ['COLLECT,:m,d] and d is ['construct,e] and e is ['COLLECT,:.] =>
outputTran ['COLLECT,:m,e]
x is ['LIST,:l] => outputTran ['BRACKET,['AGGLST,:l]]
x is ["%Map",:l] => outputMapTran l
x is ['brace, :l] =>
['BRACE, ['AGGLST,:[outputTran y for y in l]]]
x is ["return",l] => ["return",outputTran l]
x is ["return",.,:l] => ["return",:outputTran l]
x is ["construct",:l] =>
['BRACKET,['AGGLST,:[outputTran y for y in l]]]
x is [["$elt",domain,"float"], x, y, z] and (domain = $DoubleFloat or
domain is ['Float]) and integer? x and integer? y and integer? z and
z > 0 and (float := getFunctionFromDomain("float",domain,[$Integer,$Integer,$PositiveInteger])) =>
f := SPADCALL(x,y,z,float)
o := coerceInteractive(objNewWrap(f, domain), '(OutputForm))
objValUnwrap o
[op,:l]:= flattenOps x
--needed since "op" is string in some spad code
if string? op then (op := INTERN op; x:= [op,:l])
op = 'LAMBDA_-CLOSURE => 'Closure
x is ['break,:.] => 'break
x is ['SEGMENT,a] =>
a' := outputTran a
if LISTP a' then a' := ['PAREN,a']
['SEGMENT,a']
x is ['SEGMENT,a,b] =>
a' := outputTran a
b' := outputTran b
if LISTP a' then a' := ['PAREN,a']
if LISTP b' then b' := ['PAREN,b']
['SEGMENT,a',b']
op is ["$elt",targ,fun] or not $InteractiveMode and op is ["elt",targ,fun] =>
-- l has the args
targ' := obj2String prefix2String targ
if 2 = SIZE targ then targ' := ['PAREN,targ']
['CONCAT,outputTran [fun,:l],'"$",targ']
x is ["$elt",targ,c] or not $InteractiveMode and x is ["elt",targ,c] =>
targ' := obj2String prefix2String targ
if 2 = SIZE targ then targ' := ['PAREN,targ']
['CONCAT,outputTran c,'"$",targ']
x is ["-",a,b] =>
a := outputTran a
b := outputTran b
integer? b =>
b < 0 => ["+",a,-b]
["+",a,["-",b]]
b is ["-",c] => ["+",a,c]
["+",a,["-",b]]
-- next stuff translates exp(log(foo4)/foo3) into ROOT(foo4,foo3)
(x is ["**", ='"%e",foo1]) and (foo1 is [ ='"/",foo2, foo3]) and
integer?(foo3) and (foo2 is ['log,foo4]) =>
foo3 = 2 => ['ROOT,outputTran foo4]
['ROOT,outputTran foo4,outputTran foo3]
(x is ["**", ='"%e",foo1]) and (foo1 is [op',foo2, foo3]) and
(op' = '"*") and ((foo3 is ['log,foo4]) or (foo2 is ['log,foo4])) =>
foo3 is ['log,foo4] =>
["**", outputTran foo4, outputTran foo2]
foo4 := second foo2
["**", outputTran foo4, outputTran foo3]
op = 'IF => outputTranIf x
op = 'COLLECT => outputTranCollect x
op = 'REDUCE => outputTranReduce x
op = 'REPEAT => outputTranRepeat x
op = 'SEQ => outputTranSEQ x
op in '(cons nconc) => outputConstructTran x
l:= [outputTran y for y in l]
op = "*" =>
l is [a] => outputTran a
l is [["-",a],:b] =>
-- now this is tricky because we've already outputTran the list
-- expect trouble when outputTran hits b again
-- some things object to being outputTran twice ,e.g.matrices
-- same thing a bit lower down for "/"
a=1 => outputTran ["-",[op,:b]]
outputTran ["-",[op,a,:b]]
[op,:"append"/[(ss is ["*",:ll] => ll; [ss]) for ss in l]]
op = "+" =>
l is [a] => outputTran a
[op,:"append"/[(ss is ["+",:ll] => ll; [ss]) for ss in l]]
op = "/" =>
if $fractionDisplayType = 'horizontal then op := 'SLASH
else op := 'OVER
l is [["-",a],:b] => outputTran ["-",[op,a,:b]]
[outputTran op,:l]
op="|" and l is [["tuple",:u],pred] =>
['PAREN,["|",['AGGLST,:l],pred]]
op="tuple" => ['PAREN,['AGGLST,:l]]
op='LISTOF => ['AGGLST,:l]
IDENTP op and not (op in '(_* _*_*) ) and char "*" = (PNAME op).0 =>
mkSuperSub(op,l)
[outputTran op,:l]
-- The next two functions are designed to replace successive instances of
-- binary functions with the n-ary equivalent, cutting down on recursion
-- in outputTran and in partciular allowing big polynomials to be printed
-- without stack overflow. MCD.
flattenOps l ==
[op, :args ] := l
member(op,['"+",'"*","+","*"]) =>
[op,:checkArgs(op,args)]
l
checkArgs(op,tail) ==
head := []
while tail repeat
term := first tail
atom term =>
head := [term,:head]
tail := rest tail
not LISTP term => -- never happens?
head := [term,:head]
tail := rest tail
op=first term =>
tail := [:rest term,:rest tail]
head := [term,:head]
tail := rest tail
reverse head
outputTranSEQ ['SEQ,:l,exitform] ==
if exitform is ['exit,.,a] then exitform := a
['SC,:[outputTran x for x in l],outputTran exitform]
outputTranIf ['IF,x,y,z] ==
y = '%noBranch =>
['CONCATB,'if,['CONCATB,'not,outputTran x],'then,outputTran z]
z = '%noBranch =>
['CONCATB,'if,outputTran x,'then,outputTran y]
y' := outputTran y
z' := outputTran z
--y' is ['SC,:.] or z' is ['SC,:.] =>
-- ['CONCATB,'if,outputTran x,
-- ['SC,['CONCATB,'then,y'],['CONCATB,'else,z']]]
--['CONCATB,'if,outputTran x,'then,outputTran y,'else,outputTran z]
['CONCATB,'if,outputTran x,
['SC,['CONCATB,'then,y'],['CONCATB,'else,z']]]
outputMapTran l ==
null l => NIL -- should not happen
-- display subscripts linearly
$linearFormatScripts : local := true
-- get the real names of the parameters
alias := get($op,'alias,$InteractiveFrame)
rest l => -- if multiple forms, call repeatedly
['SC,:[outputMapTran0(ll,alias) for ll in l]]
outputMapTran0(first l,alias)
outputMapTran0(argDef,alias) ==
arg := first argDef
def := rest argDef
[arg',:def'] := simplifyMapPattern(argDef,alias)
arg' := outputTran arg'
if null arg' then arg' := '"()"
['CONCATB,$op,outputTran arg',"==",outputTran def']
outputTranReduce ['REDUCE,op,.,body] ==
['CONCAT,op,"/",outputTran body]
outputTranRepeat ["REPEAT",:itl,body] ==
body' := outputTran body
itl =>
itlist:= outputTranIteration itl
['CONCATB,itlist,'repeat,body']
['CONCATB,'repeat,body']
outputTranCollect [.,:itl,body] ==
itlist:= outputTranIteration itl
['BRACKET,['CONCATB,outputTran body,itlist]]
outputTranIteration itl ==
null rest itl => outputTranIterate first itl
['CONCATB,outputTranIterate first itl,outputTranIteration rest itl]
outputTranIterate x ==
x is ['STEP,n,init,step,:final] =>
init' := outputTran init
if LISTP init then init' := ['PAREN,init']
final' :=
final =>
LISTP first final => [['PAREN,outputTran first final]]
[outputTran first final]
NIL
['STEP,outputTran n,init',outputTran step,:final']
x is ["IN",n,s] => ["IN",outputTran n,outputTran s]
x is [op,p] and op in '(_| UNTIL WHILE) =>
op:= DOWNCASE op
['CONCATB,op,outputTran p]
throwKeyedMsg("S2IX0008",['outputTranIterate,['"illegal iterate: ",x]])
outputConstructTran x ==
x is [op,a,b] =>
a:= outputTran a
b:= outputTran b
op="cons" =>
b is ['construct,:l] => ['construct,a,:l]
['BRACKET,['AGGLST,:[a,[":",b]]]]
op="nconc" =>
aPart :=
a is ['construct,c] and c is ['SEGMENT,:.] => c
[":",a]
b is ['construct,:l] => ['construct,aPart,:l]
['BRACKET,['AGGLST,aPart,[":",b]]]
[op,a,b]
atom x => x
[outputTran first x,:outputConstructTran rest x]
outputTranMatrix x ==
not vector? x =>
-- assume that the only reason is that we've been done before
["MATRIX",:x]
--keyedSystemError("S2GE0016",['"outputTranMatrix",
-- '"improper internal form for matrix found in output routines"])
["MATRIX",nil,:[outtranRow x.i for i in 0..MAXINDEX x]] where
outtranRow x ==
not vector? x =>
keyedSystemError("S2GE0016",['"outputTranMatrix",
'"improper internal form for matrix found in output routines"])
["ROW",:[outputTran x.i for i in 0..MAXINDEX x]]
mkSuperSub(op,argl) ==
$linearFormatScripts => linearFormatForm(op,argl)
-- l := [(string? f => f; STRINGIMAGE f)
-- for f in linearFormatForm(op,argl)]
-- strconc/l
s:= PNAME op
indexList:= [readInteger PNAME d for i in 1.. while
(digit? (d:= s.(maxIndex:= i)))]
cleanOp:= INTERN (strconc/[PNAME s.i for i in maxIndex..MAXINDEX s])
-- if there is just a subscript use the SUB special form
#indexList=2 =>
subPart:= ['SUB,cleanOp,:take(indexList.1,argl)]
l:= drop(indexList.1,argl) => [subPart,:l]
subPart
-- otherwise use the SUPERSUB form
superSubPart := NIL
for i in rest indexList repeat
scripts :=
this:= take(i,argl)
argl:= drop(i,argl)
i=0 => ['AGGLST]
i=1 => first this
['AGGLST,:this]
superSubPart := [scripts,:superSubPart]
superSub := ['SUPERSUB,cleanOp,:reverse superSubPart]
argl => [superSub,:argl]
superSub
timesApp(u,x,y,d) ==
rightPrec:= getOpBindingPower("*","Led","right")
firstTime:= true
for arg in rest u repeat
op:= keyp arg
if not firstTime and (needBlankForRoot(lastOp,op,arg) or
needStar(wasSimple,wasQuotient,wasNumber,arg,op) or
wasNumber and op = 'ROOT and subspan arg = 1) then
d:= APP(BLANK,x,y,d)
x:= x+1
[d,x]:= appInfixArg(arg,x,y,d,rightPrec,"left",nil) --app in a right arg
wasSimple:= atom arg and not integer? arg or isRationalNumber arg
wasQuotient:= isQuotient op
wasNumber:= integer? arg
lastOp := op
firstTime:= nil
d
needBlankForRoot(lastOp,op,arg) ==
lastOp ~= "^" and lastOp ~= "**" and not(subspan(arg)>0) => false
op = "**" and keyp second arg = 'ROOT => true
op = "^" and keyp second arg = 'ROOT => true
op = 'ROOT and CDDR arg => true
false
stepApp([.,a,init,one,:optFinal],x,y,d) ==
d:= appChar('"for ",x,y,d)
d:= APP(a,w:=x+4,y,d)
d:= appChar('" in ",w:=w+WIDTH a,y,d)
d:= APP(init,w:=w+4,y,d)
d:= APP('"..",w:=w+WIDTH init,y,d)
if optFinal then d:= APP(first optFinal,w+2,y,d)
d
stepSub [.,a,init,one,:optFinal] ==
m:= MAX(subspan a,subspan init)
optFinal => MAX(m,subspan first optFinal)
m
stepSuper [.,a,init,one,:optFinal] ==
m:= MAX(superspan a,superspan init)
optFinal => MAX(m,superspan first optFinal)
m
stepWidth [.,a,init,one,:optFinal] ==
10+WIDTH a+WIDTH init+(optFinal => WIDTH first optFinal; 0)
inApp([.,a,s],x,y,d) == --for [IN,a,s]
d:= appChar('"for ",x,y,d)
d:= APP(a,x+4,y,d)
d:= appChar('" in ",x+WIDTH a+4,y,d)
APP(s,x+WIDTH a+8,y,d)
inSub [.,a,s] == MAX(subspan a,subspan s)
inSuper [.,a,s] == MAX(superspan a,superspan s)
inWidth [.,a,s] == 8+WIDTH a+WIDTH s
centerApp([.,u],x,y,d) ==
d := APP(u,x,y,d)
concatApp([.,:l],x,y,d) == concatApp1(l,x,y,d,0)
concatbApp([.,:l],x,y,d) == concatApp1(l,x,y,d,1)
concatApp1(l,x,y,d,n) ==
for u in l repeat
d:= APP(u,x,y,d)
x:=x+WIDTH u+n
d
concatSub [.,:l] == "MAX"/[subspan x for x in l]
concatSuper [.,:l] == "MAX"/[superspan x for x in l]
concatWidth [.,:l] == +/[WIDTH x for x in l]
concatbWidth [.,:l] == +/[1+WIDTH x for x in l]-1
exptApp([.,a,b],x,y,d) ==
pren:= exptNeedsPren a
d:=
pren => appparu(a,x,y,d)
APP(a,x,y,d)
x':= x+WIDTH a+(pren => 2;0)
y':= 1+y+superspan a+subspan b + (0=superspan a => 0; -1)
APP(b,x',y',d)
exptNeedsPren a ==
atom a and null (integer? a and a < 0) => false
key:= keyp a
key = "OVER" => true -- added JHD 2/Aug/90
(key="SUB") or (null GETL(key,"Nud") and null GETL(key,"Led")) => false
true
exptSub u == subspan second u
exptSuper [.,a,b] == superspan a+height b+(superspan a=0 => 0;-1)
exptWidth [.,a,b] == WIDTH a+WIDTH b+(exptNeedsPren a => 2;0)
needStar(wasSimple,wasQuotient,wasNumber,cur,op) ==
wasQuotient or isQuotient op => true
wasSimple =>
atom cur or keyp cur="SUB" or isRationalNumber cur or op="**" or op = "^" or
(atom op and not integer? op and null GETL(op,"APP"))
wasNumber =>
integer?(cur) or isRationalNumber cur or
((op="**" or op ="^") and integer?(second cur))
isQuotient op ==
op="/" or op="OVER"
timesWidth u ==
rightPrec:= getOpBindingPower("*","Led","right")
firstTime:= true
w:= 0
for arg in rest u repeat
op:= keyp arg
if not firstTime and needStar(wasSimple,wasQuotient,wasNumber,arg,op) then
w:= w+1
if infixArgNeedsParens(arg, rightPrec, "left") then w:= w+2
w:= w+WIDTH arg
wasSimple:= atom arg and not integer? arg --or isRationalNumber arg
wasQuotient:= isQuotient op
wasNumber:= integer? arg
firstTime:= nil
w
plusApp([.,frst,:rst],x,y,d) ==
appSum(rst,x+WIDTH frst,y,APP(frst,x,y,d))
appSum(u,x,y,d) ==
for arg in u repeat
infixOp:=
syminusp arg => "-"
"+"
opString:= GETL(infixOp,"INFIXOP") or '","
d:= APP(opString,x,y,d)
x:= x+WIDTH opString
arg:= absym arg --negate a neg. number or remove leading "-"
rightPrec:= getOpBindingPower(infixOp,"Led","right")
if infixOp = "-" then rightPrec:=rightPrec +1
-- that +1 added JHD 2 Aug 89 to prevent x-(y+z) printing as x-y+z
-- Sutor found the example:
-- )cl all
-- p : P[x] P I := x - y - z
-- p :: P[x] FR P I
-- trailingCoef %
[d,x]:= appInfixArg(arg,x,y,d,rightPrec,"left",nil) --app in a right arg
d
appInfix(e,x,y,d) ==
op := keyp e
leftPrec:= getOpBindingPower(op,"Led","left")
leftPrec = 1000 => return nil --no infix operator is allowed default value
rightPrec:= getOpBindingPower(op,"Led","right")
#e < 2 => throwKeyedMsg("S2IX0008",['appInfix,
'"fewer than 2 arguments to an infix function"])
opString:= GETL(op,"INFIXOP") or '","
opWidth:= WIDTH opString
[.,frst,:rst]:= e
null rst =>
GETL(op,"isSuffix") =>
[d,x]:= appInfixArg(frst,x,y,d,leftPrec,"right",opString)
d:= appChar(opString,x,y,d)
THROW('outputFailure,'outputFailure)
[d,x]:= appInfixArg(frst,x,y,d,leftPrec,"right",opString) --app in left arg
for arg in rst repeat
d:= appChar(opString,x,y,d) --app in the infix operator
x:= x+opWidth
[d,x]:= appInfixArg(arg,x,y,d,rightPrec,"left",opString) --app in right arg
d
appconc(d,x,y,w) == NCONC(d,[[[x,:y],:w]])
infixArgNeedsParens(arg, prec, leftOrRight) ==
prec > getBindingPowerOf(leftOrRight, arg) + 1
appInfixArg(u,x,y,d,prec,leftOrRight,string) ==
insertPrensIfTrue:= infixArgNeedsParens(u,prec,leftOrRight)
d:=
insertPrensIfTrue => appparu(u,x,y,d)
APP(u,x,y,d)
x:= x+WIDTH u
if string then d:= appconc(d,x,y,string)
[d,(insertPrensIfTrue => x+2; x)]
leftBindingPowerOf(x, ind) ==
y := GETL(x, ind)
y => ELEMN(y, 3, 0)
0
rightBindingPowerOf(x, ind) ==
y := GETL(x, ind)
y => ELEMN(y, 4, 105)
105
getBindingPowerOf(key,x) ==
--binding powers can be found in file NEWAUX LISP
x is ['REDUCE,:.] => (key='left => 130; key='right => 0)
x is ["REPEAT",:.] => (key="left" => 130; key="right" => 0)
x is ["COND",:.] => (key="left" => 130; key="right" => 0)
x is [op,:argl] =>
if op is [a,:.] then op:= a
op = 'SLASH => getBindingPowerOf(key,["/",:argl]) - 1
op = 'OVER => getBindingPowerOf(key,["/",:argl])
(n:= #argl)=1 =>
key="left" and (m:= getOpBindingPower(op,"Nud","left")) => m
key="right" and (m:= getOpBindingPower(op,"Nud","right")) => m
1000
n>1 =>
key="left" and (m:= getOpBindingPower(op,"Led","left")) => m
key="right" and (m:= getOpBindingPower(op,"Led","right")) => m
op="ELT" => 1002
1000
1000
1002
getOpBindingPower(op,LedOrNud,leftOrRight) ==
if op in '(SLASH OVER) then op := "/"
exception:=
leftOrRight="left" => 0
105
bp:=
leftOrRight="left" => leftBindingPowerOf(op,LedOrNud)
rightBindingPowerOf(op,LedOrNud)
bp ~= exception => bp
1000
--% Brackets
bracketApp(u,x,y,d) ==
u is [.,u] or THROW('outputFailure,'outputFailure)
d:= appChar(specialChar 'lbrk,x,y,d)
d:=APP(u,x+1,y,d)
appChar(specialChar 'rbrk,x+1+WIDTH u,y,d)
--% Braces
braceApp(u,x,y,d) ==
u is [.,u] or THROW('outputFailure,'outputFailure)
d:= appChar(specialChar 'lbrc,x,y,d)
d:=APP(u,x+1,y,d)
appChar(specialChar 'rbrc,x+1+WIDTH u,y,d)
--% Aggregates
aggWidth u ==
rest u is [a,:l] => WIDTH a + +/[1+WIDTH x for x in l]
0
aggSub u == subspan rest u
aggSuper u == superspan rest u
aggApp(u,x,y,d) == aggregateApp(rest u,x,y,d,",")
aggregateApp(u,x,y,d,s) ==
if u is [a,:l] then
d:= APP(a,x,y,d)
x:= x+WIDTH a
for b in l repeat
d:= APP(s,x,y,d)
d:= APP(b,x+1,y,d)
x:= x+1+WIDTH b
d
--% Function to compute Width
outformWidth u == --WIDTH as called from OUTFORM to do a COPY
string? u =>
u = $EmptyString => 0
u.0 = char "%" and ((u.1 = char 'b) or (u.1 = char 'd)) => 1
#u
atom u => # atom2String u
WIDTH COPY u
WIDTH u ==
string? u =>
u = $EmptyString => 0
u.0 = char "%" and ((u.1 = char 'b) or (u.1 = char 'd)) => 1
#u
integer? u =>
if (u < 1) then
negative := 1
u := -u
else
negative := 0
-- Try and be fairly exact for smallish integers:
u = 0 => 1
u < $DoubleFloatMaximum => 1+negative+FLOOR ((log10 u) + 0.0000001)
-- Rough guess: integer-length returns log2 rounded up, so divide it by
-- roughly log2(10). This should return an over-estimate, but for objects
-- this big does it matter?
FLOOR(INTEGER_-LENGTH(u)/3.3)
atom u => # atom2String u
putWidth u is [[.,:n],:.] => n
THROW('outputFailure,'outputFailure)
putWidth u ==
atom u or u is [[.,:n],:.] and integer? n => u
op:= keyp u
--integer? op => nil
leftPrec:= getBindingPowerOf("left",u)
rightPrec:= getBindingPowerOf("right",u)
[firstEl,:l] := u
interSpace:=
symbol? firstEl and GETL(firstEl,"INFIXOP") => 0
1
argsWidth:=
l is [firstArg,:restArg] =>
u.rest.first := putWidth firstArg
for y in tails restArg repeat
y.first := putWidth first y
widthFirstArg:=
0=interSpace and infixArgNeedsParens(firstArg,leftPrec,"right")=>
2+WIDTH firstArg
WIDTH firstArg
widthFirstArg + +/[interSpace+w for x in restArg] where w() ==
0=interSpace and infixArgNeedsParens(x, rightPrec, "left") =>
2+WIDTH x
WIDTH x
0
newFirst:=
atom (oldFirst:= first u) =>
fn:= GETL(oldFirst,"WIDTH") =>
[oldFirst,:FUNCALL(fn,[oldFirst,:l])]
if l then ll := rest l else ll := nil
[oldFirst,:opWidth(oldFirst,ll)+argsWidth]
[putWidth oldFirst,:2+WIDTH oldFirst+argsWidth]
u.first := newFirst
u
opWidth(op,has2Arguments) ==
op = "EQUATNUM" => 4
integer? op => 2+SIZE STRINGIMAGE op
null has2Arguments =>
a:= GETL(op,"PREFIXOP") => SIZE a
2+SIZE PNAME op
a:= GETL(op,"INFIXOP") => SIZE a
2+SIZE PNAME op
matrixBorder(x,y1,y2,d,leftOrRight) ==
y1 = y2 =>
c :=
leftOrRight = 'left => specialChar('lbrk)
specialChar('rbrk)
APP(c,x,y1,d)
for y in y1..y2 repeat
c :=
y = y1 =>
leftOrRight = 'left => specialChar('llc)
specialChar('lrc)
y = y2 =>
leftOrRight = 'left => specialChar('ulc)
specialChar('urc)
specialChar('vbar)
d := APP(c,x,y,d)
d
isRationalNumber x == nil
widthSC u == 10000
--% The over-large matrix package
maprinSpecial(x,$MARGIN,$LINELENGTH) == maprin0 x
-- above line changed JHD 13/2/93 since it used to call maPrin
maprin x ==
if $demoFlag=true then recordOrCompareDemoResult x
CATCH('output,maprin0 x)
$leanMode and
WRITE($RecordSeparator,KEYWORD::STREAM,$algebraOutputStream)
nil
maprin0 x ==
$MatrixCount:local :=0
$MatrixList:local :=nil
maprinChk x
if $MatrixList then maprinRows $MatrixList
-- above line moved JHD 28/2/93 to catch all routes through maprinChk
maprinChk x ==
null $MatrixList => maPrin x
atom x and (u:= assoc(x,$MatrixList)) =>
$MatrixList := delete(u,$MatrixList)
maPrin deMatrix rest u
x is ["=",arg,y] => --case for tracing with )math and printing matrices
u:=assoc(y,$MatrixList) =>
-- we don't want to print matrix1 = matrix2 ...
$MatrixList := delete(u,$MatrixList)
maPrin ["=",arg, deMatrix rest u]
maPrin x
x is ['EQUATNUM,n,y] =>
$MatrixList is [[name,:value]] and y=name =>
$MatrixList:=[] -- we are pulling this one off
maPrin ['EQUATNUM,n, deMatrix value]
IDENTP y => --------this part is never called
-- Not true: JHD 28/2/93
-- m:=[[1,2,3],[4,5,6],[7,8,9]]
-- mm:=[[m,1,0],[0,m,1],[0,1,m]]
-- and try to print mm**5
u := assoc(y,$MatrixList)
--$MatrixList := deleteAssoc(first u,$MatrixList)
-- deleteAssoc no longer exists
$MatrixList := delete(u,$MatrixList)
maPrin ['EQUATNUM,n,rest u]
if not $collectOutput then TERPRI $algebraOutputStream
maPrin x
maPrin x
-- above line added JHD 13/2/93 since otherwise x gets lost
maprinRows matrixList ==
if not $collectOutput then TERPRI($algebraOutputStream)
while matrixList repeat
y:=nreverse matrixList
--Makes the matrices come out in order, since CONSed on backwards
matrixList:=nil
firstName := first first y
for [name,:m] in y for n in 0.. repeat
if not $collectOutput then TERPRI($algebraOutputStream)
andWhere := (name = firstName => '"where "; '"and ")
line := strconc(andWhere, PNAME name)
maprinChk ["=",line,m]
-- note that this could place a new element on $MatrixList, hence the loop
deMatrix m ==
['BRACKET,['AGGLST,
:[['BRACKET,['AGGLST,:rest row]] for row in CDDR m]]]
LargeMatrixp(u,width, dist) ==
-- sees if there is a matrix wider than 'width' in the next 'dist'
-- part of u, a sized charybdis structure.
-- NIL if not, first such matrix if there is one
atom u => nil
CDAR u <= width => nil
--CDAR is the width of a charybdis structure
op:=CAAR u
op = 'MATRIX => largeMatrixAlist u
--We already know the structure is more than 'width' wide
op in '(%LET RARROW SEGMENT _- CONCAT CONCATB PAREN BRACKET BRACE) =>
--Each of these prints the arguments in a width 3 smaller
dist:=dist-3
width:=width-3
ans:=
for v in rest u repeat
(ans:=LargeMatrixp(v,width,dist)) => return largeMatrixAlist ans
dist:=dist - WIDTH v
dist<0 => return nil
ans
--Relying that falling out of a loop gives nil
op in '(_+ _* ) =>
--Each of these prints the first argument in a width 3 smaller
(ans:=LargeMatrixp(second u,width-3,dist)) => largeMatrixAlist ans
n:=3+WIDTH second u
dist:=dist-n
ans:=
for v in CDDR u repeat
(ans:=LargeMatrixp(v,width,dist)) => return largeMatrixAlist ans
dist:=dist - WIDTH v
dist<0 => return nil
ans
--Relying that falling out of a loop gives nil
ans:=
for v in rest u repeat
(ans:=LargeMatrixp(v,width,dist)) => return largeMatrixAlist ans
dist:=dist - WIDTH v
dist<0 => return nil
ans
--Relying that falling out of a loop gives nil
largeMatrixAlist u ==
u is [op,:r] =>
op is ['MATRIX,:.] => deMatrix u
largeMatrixAlist op or largeMatrixAlist r
nil
PushMatrix m ==
--Adds the matrix to the look-aside list, and returns a name for it
name:=
for v in $MatrixList repeat
EQUAL(m,rest v) => return first v
name => name
name:=INTERNL('"matrix",STRINGIMAGE($MatrixCount:=$MatrixCount+1))
$MatrixList:=[[name,:m],:$MatrixList]
name
quoteApp([.,a],x,y,d) == APP(a,x+1,y,appChar(PNAME "'",x,y,d))
quoteSub [.,a] == subspan a
quoteSuper [.,a] == superspan a
quoteWidth [.,a] == 1 + WIDTH a
SubstWhileDesizing(u,m) ==
-- arg. m is always nil (historical: EU directive to increase argument lists 1991/XGII)
--Replaces all occurrences of matrix m by name in u
--Taking out any outdated size information as it goes
atom u => u
[[op,:n],:l]:=u
--name := RASSOC(u,$MatrixList) => name
-- doesn't work since RASSOC seems to use an EQ test, and returns the
-- pair anyway. JHD 28/2/93
op = 'MATRIX =>
l':=SubstWhileDesizingList(rest l,m)
u :=
-- rest l=l' => u
-- this was a CONS-saving optimisation, but it doesn't work JHD 28/2/93
[op,nil,:l']
PushMatrix u
l':=SubstWhileDesizingList(l,m)
-- [op,:l']
atom op => [op,:l']
[SubstWhileDesizing(op,m),:l']
--;SubstWhileDesizingList(u,m) ==
--; -- m is always nil (historical)
--; u is [a,:b] =>
--; a':=SubstWhileDesizing(a,m)
--; b':=SubstWhileDesizingList(b,m)
--;-- MCD & TTT think that this test is unnecessary and expensive
--;-- a=a' and b=b' => u
--; [a',:b']
--; u
SubstWhileDesizingList(u,m) ==
u is [a,:b] =>
res:=
atom a => [a]
[SubstWhileDesizing(a,m)]
tail:=res
for i in b repeat
if atom i then tail.rest := [i]
else tail.rest := [SubstWhileDesizing(i,m)]
tail:=rest tail
res
u
--% Printing of Sigmas , Pis and Intsigns
sigmaSub u ==
--The depth function for sigmas with lower limit only
MAX(1 + height second u, subspan third u)
sigmaSup u ==
--The height function for sigmas with lower limit only
MAX(1, superspan third u)
sigmaApp(u,x,y,d) ==
u is [.,bot,arg] or THROW('outputFailure,'outputFailure)
bigopAppAux(bot,nil,arg,x,y,d,'sigma)
sigma2App(u,x,y,d) ==
[.,bot,top,arg]:=u
bigopAppAux(bot,top,arg,x,y,d,'sigma)
bigopWidth(bot,top,arg,kind) ==
kindWidth := (kind = 'pi => 5; 3)
MAX(kindWidth,WIDTH bot,(top => WIDTH top; 0)) + 2 + WIDTH arg
half x ==>
x quo 2
bigopAppAux(bot,top,arg,x,y,d,kind) ==
botWidth := (bot => WIDTH bot; 0)
topWidth := WIDTH top
opWidth :=
kind = 'pi => 5
3
maxWidth := MAX(opWidth,botWidth,topWidth)
xCenter := half(maxWidth-1) + x
d:=APP(arg,x+2+maxWidth,y,d)
d:=
atom bot and SIZE atom2String bot = 1 => APP(bot,xCenter,y-2,d)
APP(bot,x + half(maxWidth - botWidth),y-2-superspan bot,d)
if top then
d:=
atom top and SIZE atom2String top = 1 => APP(top,xCenter,y+2,d)
APP(top,x + half(maxWidth - topWidth),y+2+subspan top,d)
delta := (kind = 'pi => 2; 1)
opCode :=
kind = 'sigma =>
[['(0 . 0),:'">"],_
['(0 . 1),:specialChar('hbar)],_
['(0 . -1),:specialChar('hbar)],_
['(1 . 1),:specialChar('hbar)],_
['(1 . -1),:specialChar('hbar)],_
['(2 . 1),:specialChar('urc )],_
['(2 . -1),:specialChar('lrc )]]
kind = 'pi =>
[['(0 . 1),:specialChar('ulc )],_
['(1 . 0),:specialChar('vbar)],_
['(1 . 1),:specialChar('ttee)],_
['(1 . -1),:specialChar('vbar)],_
['(2 . 1),:specialChar('hbar)],_
['(3 . 0),:specialChar('vbar)],_
['(3 . 1),:specialChar('ttee)],_
['(3 . -1),:specialChar('vbar)],_
['(4 . 1),:specialChar('urc )]]
THROW('outputFailure,'outputFailure)
xLate(opCode,xCenter - delta,y,d)
sigmaWidth [.,bot,arg] == bigopWidth(bot,nil,arg,'sigma)
sigma2Width [.,bot,top,arg] == bigopWidth(bot,top,arg,'sigma)
sigma2Sub u ==
--The depth function for sigmas with 2 limits
MAX(1 + height second u, subspan fourth u)
sigma2Sup u ==
--The depth function for sigmas with 2 limits
MAX(1 + height third u, superspan fourth u)
piSub u ==
--The depth function for pi's (products)
MAX(1 + height second u, subspan third u)
piSup u ==
--The height function for pi's (products)
MAX(1, superspan third u)
piApp(u,x,y,d) ==
u is [.,bot,arg] or THROW('outputFailure,'outputFailure)
bigopAppAux(bot,nil,arg,x,y,d,'pi)
piWidth [.,bot,arg] == bigopWidth(bot,nil,arg,'pi)
pi2Width [.,bot,top,arg] == bigopWidth(bot,top,arg,'pi)
pi2Sub u ==
--The depth function for pi's with 2 limits
MAX(1 + height second u, subspan fourth u)
pi2Sup u ==
--The depth function for pi's with 2 limits
MAX(1 + height third u, superspan fourth u)
pi2App(u,x,y,d) ==
[.,bot,top,arg]:=u
bigopAppAux(bot,top,arg,x,y,d,'pi)
overlabelSuper [.,a,b] == 1 + height a + superspan b
overlabelWidth [.,a,b] == WIDTH b
overlabelApp([.,a,b], x, y, d) ==
underApp:= APP(b,x,y,d)
endPoint := x + WIDTH b - 1
middle := (x + endPoint) quo 2
h := y + superspan b + 1
d := APP(a,middle,h + 1,d)
apphor(x,x+WIDTH b-1,y+superspan b+1,d,"|")
overbarSuper u == 1 + superspan u.1
overbarWidth u == WIDTH u.1
overbarApp(u,x,y,d) ==
underApp:= APP(u.1,x,y,d)
apphor(x,x+WIDTH u.1-1,y+superspan u.1+1,d,UNDERBAR)
indefIntegralSub u ==
-- form is INDEFINTEGRAL(expr,dx)
MAX(1,subspan u.1,subspan u.2)
indefIntegralSup u ==
-- form is INDEFINTEGRAL(expr,dx)
MAX(1,superspan u.1,superspan u.2)
indefIntegralApp(u,x,y,d) ==
-- form is INDEFINTEGRAL(expr,dx)
[.,expr,dx]:=u
d := APP(expr,x+4,y,d)
d := APP(dx,x+5+WIDTH expr,y,d)
xLate( [['(0 . -1),:specialChar('llc) ],_
['(1 . -1),:specialChar('lrc) ],_
['(1 . 0),:specialChar('vbar)],_
['(1 . 1),:specialChar('ulc) ],_
['(2 . 1),:specialChar('urc) ]], x,y,d)
indefIntegralWidth u ==
-- form is INDEFINTEGRAL(expr,dx)
# u ~= 3 => THROW('outputFailure,'outputFailure)
5 + WIDTH u.1 + WIDTH u.2
intSub u ==
MAX(1 + height u.1, subspan u.3)
intSup u ==
MAX(1 + height u.2, superspan u.3)
intApp(u,x,y,d) ==
[.,bot,top,arg]:=u
d:=APP(arg,x+4+MAX(-4 + WIDTH bot, WIDTH top),y,d)
d:=APP(bot,x,y-2-superspan bot,d)
d:=APP(top,x+3,y+2+subspan top,d)
xLate( [['(0 . -1),:specialChar('llc) ],_
['(1 . -1),:specialChar('lrc) ],_
['(1 . 0),:specialChar('vbar)],_
['(1 . 1),:specialChar('ulc) ],_
['(2 . 1),:specialChar('urc) ]], x,y,d)
intWidth u ==
# u < 4 => THROW('outputFailure,'outputFailure)
MAX(-4 + WIDTH u.1, WIDTH u.2) + WIDTH u.3 + 5
xLate(l,x,y,d) ==
for [[a,:b],:c] in l repeat
d:= appChar(c,x+a,y+b,d)
d
concatTrouble(u,d,start,lineLength,$addBlankIfTrue) ==
[x,:l] := splitConcat(u,lineLength,true)
null l =>
sayALGEBRA ['%l,'%b,'" Too wide to Print",'%d]
THROW('output,nil)
charybdis(fixUp x,start,lineLength)
for y in l repeat
if d then prnd(start,d)
if lineLength > 2 then
charybdis(fixUp y,start+2,lineLength-2) -- JHD needs this to avoid lunacy
else charybdis(fixUp y,start,1) -- JHD needs this to avoid lunacy
BLANK
where
fixUp x ==
rest x =>
$addBlankIfTrue => ['CONCATB,:x]
["CONCAT",:x]
first x
splitConcat(list,maxWidth,firstTimeIfTrue) ==
null list => nil
-- split list l into a list of n lists, each of which
-- has width < maxWidth
totalWidth:= 0
oneOrZero := ($addBlankIfTrue => 1; 0)
l := list
maxW:= (firstTimeIfTrue => maxWidth; maxWidth-2)
maxW < 1 => [[x] for x in l] -- JHD 22.8.95, otherwise things can break
for x in tails l
while (width := oneOrZero + WIDTH first x + totalWidth) < maxW repeat
l:= x
totalWidth:= width
x:= rest l
l.rest := nil
[list,:splitConcat(x,maxWidth,nil)]
spadPrint(x,m) ==
m = $NoValueMode => x
if not $collectOutput then TERPRI $algebraOutputStream
output(x,m)
if not $collectOutput then TERPRI $algebraOutputStream
formulaFormat expr ==
sff := '(ScriptFormulaFormat)
formatFn := getFunctionFromDomain("coerce",sff,[$OutputForm])
displayFn := getFunctionFromDomain("display",sff,[sff])
SPADCALL(SPADCALL(expr,formatFn),displayFn)
if not $collectOutput then
TERPRI $algebraOutputStream
FORCE_-OUTPUT $formulaOutputStream
NIL
texFormat expr ==
tf := '(TexFormat)
formatFn :=
getFunctionFromDomain("convert",tf,[$OutputForm,$Integer])
displayFn := getFunctionFromDomain("display",tf,[tf])
SPADCALL(SPADCALL(expr,$IOindex,formatFn),displayFn)
TERPRI $texOutputStream
FORCE_-OUTPUT $texOutputStream
NIL
texFormat1 expr ==
tf := '(TexFormat)
formatFn := getFunctionFromDomain("coerce",tf, [$OutputForm])
displayFn := getFunctionFromDomain("display",tf,[tf])
SPADCALL(SPADCALL(expr,formatFn),displayFn)
TERPRI $texOutputStream
FORCE_-OUTPUT $texOutputStream
NIL
mathmlFormat expr ==
mml := '(MathMLFormat)
mmlrep := '(String)
formatFn := getFunctionFromDomain("coerce",mml,[$OutputForm])
displayFn := getFunctionFromDomain("display",mml,[mmlrep])
SPADCALL(SPADCALL(expr,formatFn),displayFn)
TERPRI $mathmlOutputStream
FORCE_-OUTPUT $mathmlOutputStream
NIL
output(expr,domain) ==
if isWrapped expr then expr := unwrap expr
isMapExpr expr =>
if $formulaFormat then formulaFormat expr
if $texFormat then texFormat expr
if $mathmlFormat then mathmlFormat expr
if $algebraFormat then mathprintWithNumber expr
categoryForm? domain or member(domain,'((Mode) (Domain) (Type))) =>
if $algebraFormat then
mathprintWithNumber outputDomainConstructor expr
if $texFormat then
texFormat outputDomainConstructor expr
T := coerceInteractive(objNewWrap(expr,domain),$OutputForm) =>
x := objValUnwrap T
if $formulaFormat then formulaFormat x
if $fortranFormat then
dispfortexp x
if not $collectOutput then TERPRI $fortranOutputStream
FORCE_-OUTPUT $fortranOutputStream
if $algebraFormat then
mathprintWithNumber x
if $texFormat then texFormat x
if $mathmlFormat then mathmlFormat x
(FUNCTIONP(opOf domain)) and
(printfun := compiledLookup("<<",'(TextWriter TextWriter $), evalDomain domain))
and (textwrit := compiledLookup("print", '($), TextWriter())) =>
sayMSGNT [:bright '"AXIOM-XL",'"output: "]
SPADCALL(SPADCALL textwrit, expr, printfun)
sayMSGNT '%l
sayALGEBRA [:bright '"LISP",'"output:",'%l,expr or '"NIL"]
outputNumber(start,linelength,num) ==
if start > 1 then blnks := fillerSpaces(start-1,'" ")
else blnks := '""
under:='"__"
firsttime:=(linelength>3)
if linelength>2 then
linelength:=linelength-1
while SIZE(num) > linelength repeat
if $collectOutput then
$outputLines := [strconc(blnks, SUBSTRING(num,0,linelength),under),
:$outputLines]
else
sayALGEBRA [blnks,
SUBSTRING(num,0,linelength),under]
num := SUBSTRING(num,linelength,NIL)
if firsttime then
blnks:=strconc(blnks,'" ")
linelength:=linelength-1
firsttime:=NIL
if $collectOutput then
$outputLines := [strconc(blnks, num), :$outputLines]
else
sayALGEBRA [blnks, num]
outputString(start,linelength,str) ==
if start > 1 then blnks := fillerSpaces(start-1,'" ")
else blnks := '""
while SIZE(str) > linelength repeat
if $collectOutput then
$outputLines := [strconc(blnks, SUBSTRING(str,0,linelength)),
:$outputLines]
else
sayALGEBRA [blnks, SUBSTRING(str,0,linelength)]
str := SUBSTRING(str,linelength,NIL)
if $collectOutput then
$outputLines := [strconc(blnks, str), :$outputLines]
else
sayALGEBRA [blnks, str]
outputDomainConstructor form ==
if VECTORP form then form := devaluate form
atom (u:= prefix2String form) => u
v:= [object2String(x) for x in u]
return INTERNL apply(function strconc,v)
getOutputAbbreviatedForm form ==
form is [op,:argl] =>
op in '(Union Record) => outputDomainConstructor form
op is "Mapping" => formatMapping argl
u:= constructor? op or op
null argl => u
ml:= getPartialConstructorModemapSig(op)
argl:= [fn for x in argl for m in ml] where fn() ==
categoryForm?(m) => outputDomainConstructor x
x' := coerceInteractive(objNewWrap(x,m),$OutputForm)
x' => objValUnwrap x'
'"unprintableObject"
[u,:argl]
form
outputOp x ==
x is [op,:args] and (GETL(op,"LED") or GETL(op,"NUD")) =>
n:=
GETL(op,"NARY") => 2
#args
newop:= INTERN strconc("*",STRINGIMAGE n,PNAME op)
[newop,:[outputOp y for y in args]]
x
--% %Map PRINTER (FROM EV BOOT)
printMap u ==
printBasic specialChar 'lbrk
initialFlag:= isInitialMap u
if u is [x,:l] then
printMap1(x,initialFlag and x is [[n],:.] and n=1)
for y in l repeat (printBasic " , "; printMap1(y,initialFlag))
printBasic specialChar 'rbrk
if not $collectOutput then TERPRI $algebraOutputStream
isInitialMap u ==
u is [[[n],.],:l] and integer? n and
(and/[x is [[ =i],.] for x in l for i in n+1..])
printMap1(x,initialFlag) ==
initialFlag => printBasic second x
if CDAR x then printBasic first x else printBasic CAAR x
printBasic " E "
printBasic second x
printBasic x ==
x='(One) => PRIN1(1,$algebraOutputStream)
x='(Zero) => PRIN1(0,$algebraOutputStream)
IDENTP x => PRINTEXP(PNAME x,$algebraOutputStream)
atom x => PRIN1(x,$algebraOutputStream)
PRIN1(x,$algebraOutputStream)
charybdis(u,start,linelength) ==
keyp u='EQUATNUM and null (CDDR u) =>
charybdis(['PAREN,u.1],start,linelength)
charyTop(u,start,linelength)
charyTop(u,start,linelength) ==
u is ['SC,:l] or u is [['SC,:.],:l] =>
for a in l repeat charyTop(a,start,linelength)
'" "
u is [['CONCATB,:.],:m,[['SC,:.],:l]] =>
charyTop(['CONCATB,:m],start,linelength)
charyTop(['SC,:l],start+2,linelength-2)
u is ['CENTER,a] =>
b := charyTopWidth a
(w := WIDTH(b)) > linelength-start => charyTop(a,start,linelength)
charyTop(b,half(linelength-start-w),linelength)
v := charyTopWidth u
keyp u='ELSE => charyElse(u,v,start,linelength)
WIDTH(v) > linelength => charyTrouble(u,v,start,linelength)
d := APP(v,start,0,nil)
n := superspan v
m := - subspan v
-->
$testOutputLineFlag =>
$testOutputLineList :=
[:ASSOCRIGHT SORTBY('CAR,d),:$testOutputLineList]
until n < m repeat
scylla(n,d)
n := n - 1
'" "
charyTopWidth u ==
atom u => u
atom first u => putWidth u
integer? CDAR u => u
putWidth u
charyTrouble(u,v,start,linelength) ==
al:= LargeMatrixp(u,linelength,2*linelength) =>
--$MatrixList =>
--[[m,:m1]] := al
--maPrin sublisMatAlist(m,m1,u)
--above three lines commented out JHD 25/2/93 since don't work
--u := SubstWhileDesizing(u,first first al)
u := SubstWhileDesizing(u,nil)
maprinChk u
charyTrouble1(u,v,start,linelength)
sublisMatAlist(m,m1,u) ==
u is [op,:r] =>
op is ['MATRIX,:.] and u=m => m1
op1 := sublisMatAlist(m,m1,op)
r1 := [sublisMatAlist(m,m1,s) for s in r]
op = op1 and r1 = r => u
[op1,:r1]
u
charyTrouble1(u,v,start,linelength) ==
integer? u => outputNumber(start,linelength,atom2String u)
atom u => outputString(start,linelength,atom2String u)
EQ(x:= keyp u,'_-) => charyMinus(u,v,start,linelength)
x in '(_+ _* AGGLST) => charySplit(u,v,start,linelength)
x='EQUATNUM => charyEquatnum(u,v,start,linelength)
d := GETL(x,'INFIXOP) => charyBinary(d,u,v,start,linelength)
x = 'OVER =>
charyBinary(GETL("/",'INFIXOP),u,v,start,linelength)
3=#u and GETL(x,'Led) =>
d:= PNAME first GETL(x,'Led)
charyBinary(d,u,v,start,linelength)
x='CONCAT =>
concatTrouble(rest v,d,start,linelength,nil)
x='CONCATB =>
(rest v) is [loop, 'repeat, body] =>
charyTop(['CONCATB,loop,'repeat],start,linelength)
charyTop(body,start+2,linelength-2)
(rest v) is [wu, loop, 'repeat, body] and
(keyp wu) is ['CONCATB,wu',.] and wu' in '(while until) =>
charyTop(['CONCATB,wu,loop,'repeat],start,linelength)
charyTop(body,start+2,linelength-2)
concatTrouble(rest v,d,start,linelength,true)
GETL(x,'INFIXOP) => charySplit(u,v,start,linelength)
x='PAREN and
(EQ(keyp u.1,'AGGLST) and (v:= ",") or EQ(keyp u.1,'AGGSET) and
(v:= ";")) => bracketagglist(rest u.1,start,linelength,v,"_(","_)")
x='PAREN and EQ(keyp u.1,'CONCATB) =>
bracketagglist(rest u.1,start,linelength," ","_(","_)")
x='BRACKET and (EQ(keyp u.1,'AGGLST) and (v:= ",")) =>
bracketagglist(rest u.1,start,linelength,v,
specialChar 'lbrk, specialChar 'rbrk)
x='BRACE and (EQ(keyp u.1,'AGGLST) and (v:= ",")) =>
bracketagglist(rest u.1,start,linelength,v,
specialChar 'lbrc, specialChar 'rbrc)
x='EXT => longext(u,start,linelength)
x='MATRIX => MATUNWND()
x='ELSE => charyElse(u,v,start,linelength)
x='SC => charySemiColon(u,v,start,linelength)
charybdis(x,start,linelength)
if rest u then charybdis(['ELSE,:rest u],start,linelength)
-- changed from charybdis(...) by JHD 2 Aug 89, since rest u might be null
'" "
charySemiColon(u,v,start,linelength) ==
for a in rest u repeat
charyTop(a,start,linelength)
nil
charyMinus(u,v,start,linelength) ==
charybdis('"-",start,linelength)
charybdis(v.1,start+3,linelength-3)
'" "
charyBinary(d,u,v,start,linelength) ==
member(d,'(" := " " = ")) =>
charybdis(['CONCATB,v.1,d],start,linelength)
charybdis(v.2,start+2,linelength-2)
'" "
charybdis(v.1,start+2,linelength-2)
if d then prnd(start,d)
charybdis(v.2,start+2,linelength-2)
'" "
charyEquatnum(u,v,start,linelength) ==
charybdis(['PAREN,u.1],start,linelength)
charybdis(u.2,start,linelength)
'" "
charySplit(u,v,start,linelength) ==
v:= [first v.0,:rest v]
m:= rest v
WIDTH v.1 > linelength-2 =>
charybdis(v.1,start+2,linelength-2)
null (CDDR v) => '" "
dm:= CDDR v
ddm:= rest dm
split2(u,dm,ddm,start,linelength)
for i in 0.. repeat
dm := rest m
ddm := rest dm
dm.rest := nil
WIDTH v > linelength - 2 => return nil
v.first := first v.0
dm.rest := ddm
m := rest m
v.first := first v.0
m.rest := nil
charybdis(v,start + 2,linelength - 2)
split2(u,dm,ddm,start,linelength)
split2(u,dm,ddm,start,linelength) ==
--prnd(start,(d:= GETL(keyp u,'INFIXOP) => d; opSrch(keyp u,OPLIST)))
prnd(start,(d:= GETL(keyp u,'INFIXOP) => d; '","))
dm.rest := ddm
m:= WIDTH [keyp u,:dm]<linelength-2
charybdis([keyp u,:dm],(m => start+2; start),(m => linelength-2; linelength))
'" "
charyElse(u,v,start,linelength) ==
charybdis(v.1,start+3,linelength-3)
null (CDDR u) => '" "
prnd(start,'",")
charybdis(['ELSE,:CDDR v],start,linelength)
'" "
scylla(n,v) ==
y := LASSOC(n,v)
null y => nil
if string?(y) then y := DROPTRAILINGBLANKS COPY y
if $collectOutput then
$outputLines := [y, :$outputLines]
else
PRINTEXP(y,$algebraOutputStream)
TERPRI $algebraOutputStream
nil
keyp(u) ==
atom u => nil
atom first u => first u
CAAR u
absym x ==
(integer? x) and (MINUSP x) => -x
cons? x and (keyp(x) = '_-) => second x
x
agg(n,u) ==
(n = 1) => second u
agg(n - 1, rest u)
aggwidth u ==
null u => 0
null rest u => WIDTH first u
1 + (WIDTH first u) + (aggwidth rest u)
argsapp(u,x,y,d) == appargs(rest u,x,y,d)
subspan u ==
atom u => 0
integer? rest u => subspan first u
(cons? first u and_
atom CAAR u and_
not integer? CAAR u and_
GETL(CAAR u, 'SUBSPAN) ) =>
APPLX(GETL(CAAR u, 'SUBSPAN), [u])
MAX(subspan first u, subspan rest u)
agggsub u == subspan rest u
superspan u ==
atom u => 0
integer? rest u => superspan first u
(cons? first u and_
atom CAAR u and_
not integer? CAAR u and_
GETL(CAAR u, 'SUPERSPAN) ) =>
APPLX(GETL(CAAR u, 'SUPERSPAN), [u])
MAX(superspan first u, superspan rest u)
agggsuper u == superspan rest u
agggwidth u == aggwidth rest u
appagg(u,x,y,d) == appagg1(u,x,y,d,'",")
appagg1(u,x,y,d,s) ==
null u => d
null rest u => APP(first u,x,y,d)
temp := x + WIDTH first u
temparg1 := APP(first u,x,y,d)
temparg2 := APP(s,temp,y,temparg1)
appagg1(rest u, 1 + temp, y, temparg2,s)
--Note the similarity between the definition below of appargs and above
--of appagg. (why?)
appargs(u,x,y,d) == appargs1(u,x,y,d,'";")
--Note that the definition of appargs1 below is identical to that of
--appagg1 above except that the former calls appargs and the latter
--calls appagg.
appargs1(u,x,y,d,s) ==
null u => d
null rest u => APP(first u,x,y,d)
temp := x + WIDTH first u
temparg1 := APP(first u,x,y,d)
temparg2 := APP(s,temp,y,temparg1)
true => appargs(rest u, 1 + temp, y, temparg2)
apprpar(x, y, y1, y2, d) ==
(null (_*TALLPAR) or (y2 - y1 < 2)) => APP('")", x, y, d)
true => APP('")", x, y2, apprpar1(x, y, y1, y2 - 1, d))
apprpar1(x, y, y1, y2, d) ==
(y1 = y2) => APP('")", x, y2, d)
true => APP('")", x, y2, apprpar1(x, y, y1, y2 - 1, d))
applpar(x, y, y1, y2, d) ==
(null (_*TALLPAR) or (y2 - y1 < 2)) => APP('"(", x, y, d)
true => APP('"(", x, y2, applpar1(x, y, y1, y2 - 1, d))
applpar1(x, y, y1, y2, d) ==
(y1 = y2) => APP('"(", x, y2, d)
true => APP('"(", x, y2, applpar1(x, y, y1, y2 - 1, d))
--The body of the function appelse assigns 6 local variables.
--It then finishes by calling apprpar.
appelse(u,x,y,d) ==
w := WIDTH CAAR u
b := y - subspan rest u
p := y + superspan rest u
temparg1 := APP(keyp u, x, y, d)
temparg2 := applpar(x + w, y, b, p, temparg1)
temparg3 := appagg(rest u, x + 1 + w, y, temparg2)
apprpar(x + 1 + w + aggwidth rest u, y, b, p, temparg3)
appext(u,x,y,d) ==
xptr := x
yptr := y - (subspan second u + superspan agg(3,u) + 1)
d := APP(second u,x,y,d)
d := APP(agg(2,u),xptr,yptr,d)
xptr := xptr + WIDTH agg(2,u)
d := APP('"=", xptr, yptr,d)
d := APP(agg(3,u), 1 + xptr, yptr, d)
yptr := y + 1 + superspan second u + SUBSPAD agg(4,u)
d := APP(agg(4,u), x, yptr, d)
temp := 1 + WIDTH agg(2,u) + WIDTH agg(3,u)
n := MAX(WIDTH second u, WIDTH agg(4,u), temp)
if first(z := agg(5,u)) is ["EXT",:.] and
(n=3 or (n > 3 and cons? z) ) then
n := 1 + n
d := APP(z, x + n, y, d)
apphor(x1,x2,y,d,char) ==
temp := (x1 = x2 => d; apphor(x1, x2 - 1, y, d,char))
APP(char, x2, y, temp)
syminusp x ==
integer? x => MINUSP x
cons? x and EQ(keyp x,'_-)
appsum(u, x, y, d) ==
null u => d
ac := absym first u
sc :=
syminusp first u => '"-"
true => '"+"
dp := member(keyp absym first u, '(_+ _-))
tempx := x + WIDTH ac + (dp => 5; true => 3)
tempdblock :=
temparg1 := APP(sc, x + 1, y, d)
dp =>
bot := y - subspan ac
top := y + superspan ac
temparg2 := applpar(x + 3, y, bot, top, temparg1)
temparg3 := APP(ac, x + 4, y, temparg2)
apprpar(x + 4 + WIDTH ac, y, bot, top, temparg3)
true => APP(ac, x + 3, y, temparg1)
appsum(rest u, tempx, y, tempdblock)
appneg(u, x, y, d) ==
appsum([u], x - 1, y, d)
appparu(u, x, y, d) ==
bot := y - subspan u
top := y + superspan u
temparg1 := applpar(x, y, bot, top, d)
temparg2 := APP(u, x + 1, y, temparg1)
apprpar(x + 1 + WIDTH u, y, bot, top, temparg2)
appparu1(u, x, y, d) ==
appparu(second u, x, y, d)
appsc(u, x, y, d) ==
appagg1(rest u, x, y, d, '";")
appsetq(u, x, y, d) ==
w := WIDTH first u
temparg1 := APP(second u, x, y, d)
temparg2 := APP('":", x + w, y, temparg1)
APP(second rest u, x + 2 + w, y, temparg2)
appsub(u, x, y, d) ==
temparg1 := x + WIDTH second u
temparg2 := y - 1 - superspan CDDR u
temparg3 := APP(second u, x, y, d)
appagg(CDDR u, temparg1, temparg2, temparg3)
eq0(u) == 0
height(u) ==
superspan(u) + 1 + subspan(u)
extsub(u) ==
MAX(subspan agg(5, u), height(agg(3, u)), subspan second u )
extsuper(u) ==
MAX(superspan second u + height agg(4, u), superspan agg(5, u) )
extwidth(u) ==
n := MAX(WIDTH second u,
WIDTH agg(4, u),
1 + WIDTH agg(2, u) + WIDTH agg(3, u) )
nil or
(first(z := agg(5, u)) is ["EXT",:.] and _
(n=3 or ((n > 3) and cons? z) ) =>
n := 1 + n)
true => n + WIDTH agg(5, u)
appfrac(u, x, y, d) ==
-- Added "1+" to both QUOTIENT statements so that when exact centering is
-- not possible, expressions are offset to the right rather than left.
-- MCD 16-8-95
w := WIDTH u
tempx := x + (1+w - WIDTH second rest u) quo 2
tempy := y - superspan second rest u - 1
temparg3 := APP(second rest u, tempx, tempy, d)
temparg4 := apphor(x, x + w - 1, y, temparg3,specialChar('hbar))
APP(second u,
x + (1+w - WIDTH second u) quo 2,
y + 1 + subspan second u,
temparg4)
fracsub(u) == height second rest u
fracsuper(u) == height second u
fracwidth(u) ==
numw := WIDTH (num := second u)
denw := WIDTH (den := third u)
if num is [[op,:.],:.] and op = 'OVER then numw := numw + 2
if den is [[op,:.],:.] and op = 'OVER then denw := denw + 2
MAX(numw,denw)
slashSub u ==
MAX(1,subspan(second u),subspan(second rest u))
slashSuper u ==
MAX(1,superspan(second u),superspan(second rest u))
slashApp(u, x, y, d) ==
-- to print things as a/b as opposed to
-- a
-- -
-- b
temparg1 := APP(second u, x, y, d)
temparg2 := APP('"/", x + WIDTH second u, y, temparg1)
APP(second rest u,
x + 1 + WIDTH second u, y, temparg2)
slashWidth(u) ==
-- to print things as a/b as opposed to
-- a
-- -
-- b
1 + WIDTH second u + WIDTH second rest u
longext(u, i, n) ==
x := reverse u
y := first x
u := remWidth(REVERSEWOC(['" ",:rest x]))
charybdis(u, i, n)
if not $collectOutput then TERPRI $algebraOutputStream
charybdis(['ELSE, :[y]], i, n)
'" "
appvertline(char, x, yl, yu, d) ==
yu < yl => d
temparg := appvertline(char, x, yl, yu - 1, d)
true => APP(char, x, yu, temparg)
appHorizLine(xl, xu, y, d) ==
xu < xl => d
temparg := appHorizLine(xl, xu - 1, y, d)
true => APP(MATBORCH, xu, y, temparg)
rootApp(u, x, y, d) ==
widB := WIDTH u.1
supB := superspan u.1
subB := subspan u.1
if #u > 2 then
widR := WIDTH u.2
subR := subspan u.2
d := APP(u.2, x, y - subB + 1 + subR, d)
else
widR := 1
d := APP(u.1, x + widR + 1, y, d)
d := apphor(x+widR+1, x+widR+widB, y+supB+1, d, specialChar('hbar))
d := appvertline(specialChar('vbar), x+widR, y - subB, y + supB, d)
d := APP(specialChar('ulc), x+widR, y + supB+1, d)
d := APP(specialChar('urc), x + widR + widB + 1, y + supB+1, d)
d := APP(specialChar('bslash), x + widR - 1, y - subB, d)
boxApp(u, x, y, d) ==
CDDR u => boxLApp(u, x, y, d)
a := 1 + superspan u.1
b := 1 + subspan u.1
w := 2 + WIDTH u.1
d := appvertline(specialChar('vbar), x,y - b + 1, y + a - 1, d)
d := appvertline(specialChar('vbar), x + w + 1, y - b,y + a,d)
d := apphor(x + 1, x + w, y - b, d, specialChar('hbar))
d := apphor(x + 1, x + w, y + a, d, specialChar('hbar))
d := APP(specialChar('ulc), x, y + a, d)
d := APP(specialChar('urc), x + w + 1, y + a, d)
d := APP(specialChar('llc), x, y - b, d)
d := APP(specialChar('lrc), x + w + 1, y - b, d)
d := APP(u.1, 2 + x, y, d)
boxLApp(u, x, y, d) ==
la := superspan u.2
lb := subspan u.2
lw := 2 + WIDTH u.2
lh := 2 + la + lb
a := superspan u.1+1
b := subspan u.1+1
w := MAX(lw, 2 + WIDTH u.1)
top := y + a + lh
d := appvertline(MATBORCH, x, y - b, top, d)
d := appHorizLine(x + 1, x + w, top, d)
d := APP(u.2, 2 + x, y + a + lb + 1, d)
d := appHorizLine(x + 1, x + lw, y + a, d)
nil or
lw < w => d := appvertline(MATBORCH, x + lw + 1, y + a, top - 1, d)
d := APP(u.1, 2 + x, y, d)
d := appHorizLine(x + 1, x + w, y - b, d)
d := appvertline(MATBORCH, x + w + 1, y - b, top, d)
boxSub(x) ==
subspan x.1+1
boxSuper(x) ==
null rest x => 0
hl :=
null CDDR x => 0
true => 2 + subspan x.2 + superspan x.2
true => hl+1 + superspan x.1
boxWidth(x) ==
null rest x => 0
wl :=
null CDDR x => 0
true => WIDTH x.2
true => 4 + MAX(wl, WIDTH x.1)
nothingWidth x ==
0
nothingSuper x ==
0
nothingSub x ==
0
nothingApp(u, x, y, d) ==
d
zagApp(u, x, y, d) ==
w := WIDTH u
denx := x + (w - WIDTH second rest u) quo 2
deny := y - superspan second rest u - 1
d := APP(second rest u, denx, deny, d)
numx := x + (w - WIDTH second u) quo 2
numy := y+1 + subspan second u
d := APP(second u, numx, numy, d)
a := 1 + zagSuper u
b := 1 + zagSub u
d := appvertline(specialChar('vbar), x, y - b, y - 1, d)
d := appvertline(specialChar('vbar), x + w - 1, y + 1, y + a, d)
d := apphor(x, x + w - 2, y, d, specialChar('hbar))
d := APP(specialChar('ulc), x, y, d)
d := APP(specialChar('lrc), x + w - 1, y, d)
zagSub(u) ==
height second rest u
zagSuper(u) ==
height second u
zagWidth(x) ==
#x = 1 => 0
#x = 2 => 4 + WIDTH x.1
4 + MAX(WIDTH x.1, WIDTH x.2)
rootWidth(x) ==
#x <= 2 => 3 + WIDTH x.1
2 + WIDTH x.1 + WIDTH x.2
rootSub(x) ==
subspan x.1
rootSuper(x) ==
normal := 1 + superspan x.1
#x <= 2 => normal
(radOver := height x.2 - height x.1) < 0 => normal
normal + radOver
appmat(u, x, y, d) ==
rows := CDDR u
p := matSuper u
q := matSub u
d := matrixBorder(x, y - q, y + p, d, 'left)
x := 1 + x
yc := 1 + y + p
w := second u
wl := CDAR w
subl := rest second w
superl := rest second rest w
repeat
null rows => return(matrixBorder(x + WIDTH u - 2,
y - q,
y + p,
d,
'right))
xc := x
yc := yc - 1 - first superl
w := wl
row := CDAR rows
repeat
if flag = '"ON" then
flag := '"OFF"
return(nil)
null row =>
repeat
yc := yc - 1 - first subl
subl := rest subl
superl := rest superl
rows := rest rows
return(flag := '"ON"; nil)
d := APP(first row,
xc + (first w - WIDTH first row) quo 2,
yc,
d)
xc := xc + 2 + first w
row := rest row
w := rest w
matSuper(x) ==
(x := x.1) => -1 + (first x.1 + first x.2) quo 2
true => ERROR('MAT)
matSub(x) ==
(x := x.1) => (-1 + first x.1 + first x.2) quo 2
true => ERROR('MAT)
matWidth(x) ==
y := CDDR x -- list of rows, each of form ((ROW . w) element element ...)
numOfColumns := # CDAR y
widthList := matLSum2 matWList(y, NLIST(numOfColumns, 0))
--returns ["max width of entries in column i" for i in 1..numberOfRows]
subspanList := matLSum matSubList y
superspanList := matLSum matSuperList y
x.rest.first := [widthList, subspanList, superspanList]
CAAR x.1
matLSum(x) ==
[sumoverlist x + # x,:x]
matLSum2(x) ==
[sumoverlist x + 2*(# x),:x]
matWList(x, y) ==
null x => y
true => matWList(rest x, matWList1(CDAR x, y) )
matWList1(x, y) ==
null x => nil
true => [MAX(WIDTH first x, first y),:matWList1(rest x, rest y)]
matSubList(x) == --computes the max/[subspan(e) for e in "row named x"]
null x => nil
true => [matSubList1(CDAR x, 0),:matSubList(rest x)]
matSubList1(x, y) ==
null x => y
true => matSubList1(rest x, MAX(y, subspan first x) )
matSuperList(x) == --computes the max/[superspan(e) for e in "row named x"]
null x => nil
true => [matSuperList1(CDAR x, 0),:matSuperList(rest x)]
matSuperList1(x, y) ==
null x => y
true => matSuperList1(rest x, MAX(y, superspan first x) )
minusWidth(u) ==
-1 + sumWidthA rest u
-- opSrch(name, x) ==
-- LASSOC(name, x) or '","
bracketagglist(u, start, linelength, tchr, open, close) ==
u := [['CONCAT, open, first u],
:[['CONCAT, '" ", y] for y in rest u]]
repeat
s := 0
for x in tails u repeat
lastx := x
((s := s + WIDTH first x + 1) >= linelength) => return(s)
null rest x => return(s := -1)
nil or
s = -1 => (nextu := nil)
EQ(lastx, u) => ((nextu := rest u); u.rest := nil)
true => ((nextu := lastx); PREDECESSOR(lastx, u).rest := nil)
for x in tails u repeat
x.first := ['CONCAT, first x, tchr]
if null nextu then LAST(u).rest.rest.first := close
x := ASSOCIATER('CONCAT, [ichr,:u])
charybdis(ASSOCIATER('CONCAT, u), start, linelength)
if $collectOutput then TERPRI $algebraOutputStream
ichr := '" "
u := nextu
null u => return(nil)
prnd(start, op) ==
-->
$testOutputLineFlag =>
string := strconc(fillerSpaces MAX(0,start - 1),op)
$testOutputLineList := [string,:$testOutputLineList]
PRINTEXP(fillerSpaces MAX(0,start - 1),$algebraOutputStream)
$collectOutput =>
string := strconc(fillerSpaces MAX(0,start - 1),op)
$outputLines := [string, :$outputLines]
PRINTEXP(op,$algebraOutputStream)
TERPRI $algebraOutputStream
qTSub(u) ==
subspan second u
qTSuper(u) ==
superspan second u
qTWidth(u) ==
2 + WIDTH second u
remWidth(x) ==
atom x => x
true => [(atom first x => first x; true => CAAR x),
:MMAPCAR(function remWidth, rest x)]
subSub(u) ==
height CDDR u
subSuper u ==
superspan u.1
letWidth u ==
5 + WIDTH u.1 + WIDTH u.2
sumoverlist(u) == +/[x for x in u]
sumWidth u ==
WIDTH u.1 + sumWidthA CDDR u
sumWidthA u ==
null u => 0
( member(keyp absym first u,'(_+ _-)) => 5; true => 3) +
WIDTH absym first u +
sumWidthA rest u
superSubApp(u, x, y, di) ==
a := first (u := rest u)
b := first (u := rest u)
c := first (u := KDR u) or '((NOTHING . 0))
d := KAR (u := KDR u) or '((NOTHING . 0))
e := KADR u or '((NOTHING . 0))
aox := MAX(wd := WIDTH d, we := WIDTH e)
ar := superspan a
ab := subspan a
aw := WIDTH a
di := APP(d, x + (aox - wd), 1 + ar + y + subspan d, di)
di := APP(a, x + aox, y, di)
di := APP(c, aox + aw + x, 1 + y + ar + subspan c, di)
di := APP(e, x + (aox - we), y - 1 - MAX(superspan e, ab), di)
di := APP(b, aox + aw + x, y - 1 - MAX(ab, superspan b), di)
return di
stringer x ==
string? x => x
EQ('_|, FETCHCHAR(s:= STRINGIMAGE x, 0)) =>
RPLACSTR(s, 0, 1, "", nil, nil)
s
superSubSub u ==
a:= first (u:= rest u)
b:= KAR (u := KDR u)
e:= KAR KDR KDR KDR u
return subspan a + MAX(height b, height e)
binomApp(u,x,y,d) ==
[num,den] := rest u
ysub := y - 1 - superspan den
ysup := y + 1 + subspan num
wden := WIDTH den
wnum := WIDTH num
w := MAX(wden,wnum)
d := APP(den,x+1+ half(w - wden),ysub,d)
d := APP(num,x+1+ half(w - wnum),ysup,d)
hnum := height num
hden := height den
w := 1 + w
for j in 0..(hnum - 1) repeat
d := appChar(specialChar 'vbar,x,y + j,d)
d := appChar(specialChar 'vbar,x + w,y + j,d)
for j in 1..(hden - 1) repeat
d := appChar(specialChar 'vbar,x,y - j,d)
d := appChar(specialChar 'vbar,x + w,y - j,d)
d := appChar(specialChar 'ulc,x,y + hnum,d)
d := appChar(specialChar 'urc,x + w,y + hnum,d)
d := appChar(specialChar 'llc,x,y - hden,d)
d := appChar(specialChar 'lrc,x + w,y - hden,d)
binomSub u == height third u
binomSuper u == height second u
binomWidth u == 2 + MAX(WIDTH second u, WIDTH third u)
altSuperSubApp(u, x, y, di) ==
a := first (u := rest u)
ar := superspan a
ab := subspan a
aw := WIDTH a
di := APP(a, x, y, di)
x := x + aw
sublist := everyNth(u := rest u, 2)
suplist := everyNth(IFCDR u, 2)
ysub := y - 1 - apply('MAX, [ab, :[superspan s for s in sublist]])
ysup := y + 1 + apply('MAX, [ar, :[subspan s for s in sublist]])
for sub in sublist for sup in suplist repeat
wsub := WIDTH sub
wsup := WIDTH sup
di := APP(sub, x, ysub, di)
di := APP(sup, x, ysup, di)
x := x + 1 + MAX(wsub, wsup)
di
everyNth(l, n) ==
[(e := l.0; for i in 1..n while l repeat l := rest l; e) while l]
altSuperSubSub u ==
span := subspan second u
sublist := everyNth(CDDR u, 2)
for sub in sublist repeat
h := height sub
if h > span then span := h
span
altSuperSubSuper u ==
span := superspan second u
suplist := everyNth(IFCDR CDDR u, 2)
for sup in suplist repeat
h := height sup
if h > span then span := h
span
altSuperSubWidth u ==
w := WIDTH second u
suplist := everyNth(IFCDR CDDR u, 2)
sublist := everyNth(CDDR u, 2)
for sup in suplist for sub in sublist repeat
wsup := WIDTH sup
wsub := WIDTH sub
w := w + 1 + MAX(wsup, wsub)
w
superSubWidth u ==
a := first (u := rest u)
b := first (u := rest u)
c := first (u := KDR u) or '((NOTHING . 0))
d := KAR (u := KDR u) or '((NOTHING . 0))
e := KADR u or '((NOTHING . 0))
return MAX(WIDTH d, WIDTH e) + MAX(WIDTH b, WIDTH c) + WIDTH a
superSubSuper u ==
a:= first (u := rest u)
c:= KAR (u := KDR KDR u)
d:= KADR u
return superspan a + MAX(height c, height d)
suScWidth u ==
WIDTH u.1 + aggwidth CDDR u
vconcatapp(u, x, y, d) ==
w := vConcatWidth u
y := y + superspan u.1 + 1
for a in rest u repeat
y := y - superspan a - 1
xoff := (w - WIDTH a) quo 2
d := APP(a, x + xoff, y, d)
y := y - subspan a
d
binomialApp(u, x, y, d) ==
[.,b,a] := u
w := vConcatWidth u
d := APP('"(",x,y,d)
x := x + 1
y1 := y - height a
xoff := (w - WIDTH a) quo 2
d := APP(a, x + xoff, y1, d)
y2 := y + height b
xoff := (w - WIDTH b) quo 2
d := APP(b, x + xoff, y2, d)
x := x + w
APP('")",x,y,d)
vConcatSub u ==
subspan u.1 + +/[height a for a in CDDR u]
vConcatSuper u ==
superspan u.1
vConcatWidth u ==
w := 0
for a in rest u repeat if (wa := WIDTH a) > w then w := wa
w
binomialSub u == height u.2 + 1
binomialSuper u == height u.1 + 1
binomialWidth u == 2 + MAX(WIDTH u.1, WIDTH u.2)
mathPrint u ==
if not $collectOutput then TERPRI $algebraOutputStream
(u := string? mathPrint1(mathPrintTran u, nil) =>
PSTRING u; nil)
mathPrintTran u ==
atom u => u
true =>
for x in tails u repeat
x.first := mathPrintTran first x
u
mathPrint1(x,fg) ==
if fg and not $collectOutput then TERPRI $algebraOutputStream
maPrin x
if fg and not $collectOutput then TERPRI $algebraOutputStream
maPrin u ==
null u => nil
-->
if $runTestFlag or $mkTestFlag then
$mkTestOutputStack := [COPY u, :$mkTestOutputStack]
$highlightDelta := 0
c := CATCH('outputFailure,charybdis(u, $MARGIN, $LINELENGTH))
c ~= 'outputFailure => c
sayKeyedMsg("S2IX0009",NIL)
u is ['EQUATNUM,num,form] or u is [['EQUATNUM,:.],num,form] =>
charybdis(['EQUATNUM,num], $MARGIN, $LINELENGTH)
if not $collectOutput then
TERPRI $algebraOutputStream
PRETTYPRINT(form,$algebraOutputStream)
form
if not $collectOutput then PRETTYPRINT(u,$algebraOutputStream)
nil
--% Rendering of InputForm
$allClassicOps ==
["~","#","not","**","^","*","/","rem","quo","+","-","@","::", "pretend"]
isUnaryPrefix op ==
op in '(_~ _# _- _not)
primaryForm2String x ==
x = nil => '""
string? x => x
x = $EmptyMode => specialChar 'quad
IDENTP x =>
x = "$" => '"%"
x = "$$" => '"%%"
SYMBOL_-NAME x
atom x => WRITE_-TO_-STRING x
strconc('"(",inputForm2String x, '")")
callForm2String x ==
atom x => primaryForm2String x
[op,:args] := x
op in $allClassicOps => primaryForm2String x
#args = 0 =>
op = "Zero" => '"0"
op = "One" => '"1"
constructor? op => primaryForm2String op
strconc(inputForm2String op, '"()")
op = "$elt" => typedForm2String("$", second args, first args)
op is ["$elt",t,op'] => typedForm2String("$",[op',:args], t)
"strconc"/[inputForm2String op, '"(",:args','")"] where
args' := [toString(a,i) for a in args for i in 0..]
toString(a,i) ==
i = 0 => inputForm2String a
strconc('",",inputForm2String a)
typedForm2String(s,x,t) ==
s = "pretend" =>
strconc(callForm2String x, '" pretend ", callForm2String t)
strconc(callForm2String x, SYMBOL_-NAME s, callForm2String t)
expForm2String x ==
x is [op,lhs,rhs] and op in '(** _^) =>
strconc(expForm2String lhs,'"^", callForm2String rhs)
callForm2String x
unaryForm2String x ==
x is [op,arg] and isUnaryPrefix op =>
strconc(inputForm2String op, inputForm2String arg)
expForm2String x
multForm2String x ==
x isnt ["*",lhs,rhs] => unaryForm2String x
strconc(multForm2String lhs,'"*", multForm2String rhs)
divForm2String x ==
x isnt ["/",lhs,rhs] => multForm2String x
strconc(divForm2String lhs,'"/", expForm2String rhs)
remForm2String x ==
x isnt ["rem",lhs,rhs] => divForm2String x
strconc(divForm2String lhs,'" rem ", multForm2String rhs)
quoForm2String x ==
x isnt ["quo",lhs,rhs] => remForm2String x
strconc(quoForm2String lhs,'" quo ", remForm2String rhs)
plusForm2String x ==
x isnt ["+",lhs,rhs] => quoForm2String x
strconc(plusForm2String lhs,'" + ", plusForm2String rhs)
minusForm2String x ==
x isnt ["-",lhs,rhs] => plusForm2String x
strconc(minusForm2String lhs,'" - ", minusForm2String rhs)
parms2String x ==
null x => "()"
IDENTP x => x
x is [var] => var
if x is ["tuple",:.] then x := rest x
paren [parm xs for xs in tails x] where
paren l == "strconc"/["(",:l,")"]
parm xs ==
null rest xs => first xs
strconc(first xs, ", ")
inputForm2String x ==
atom x => primaryForm2String x
[op,:args] := x
isUnaryPrefix op and #args = 1 => unaryForm2String x
#args = 2 =>
op in '(** _^) => expForm2String x
op = "*" => multForm2String x
op = "/" => divForm2String x
op = "rem" => remForm2String x
op = "quo" => quoForm2String x
op = "+" => plusForm2String x
op = "-" => minusForm2String x
op in '(_@ _:_: pretend) =>
typedForm2String(op, first args, second args)
op = "+->" =>
strconc(parms2String second x, " ", first x, " ",
inputForm2String third x)
callForm2String x
callForm2String x
inputForm2OutputForm x ==
INTERN inputForm2String x
-- function for turning strings in tex format
str2Outform s ==
parse := ncParseFromString s or systemError '"String for TeX will not parse"
parse2Outform parse
parse2Outform x ==
x is [op,:argl] =>
nargl := [parse2Outform y for y in argl]
op = 'construct => ['BRACKET,['ARGLST,:[parse2Outform y for y in argl]]]
op = 'brace and nargl is [[BRACKET,:r]] => ['BRACE,:r]
[op,:nargl]
x
str2Tex s ==
outf := str2Outform s
val := coerceInt(objNew(wrap outf, '(OutputForm)), '(TexFormat))
val := objValUnwrap val
first val.1
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