%%
%% This is file `hcycle.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% hcycle.dtx  (with options: `hcycle')
%% 
%% This is a generated file.
%% 
%% Copyright 1996,1998 by Shinsaku Fujita
%% 
%% This file is part of the XyMTeX system.
%% =======================================
%% 
%% Version 1.01 Released on August 16, 1996
%% Version 1.02 Released on October 31, 1996 (private version)
%% Version 2.00 Released on December 25, 1998
%% 
%% Copyright (C) 1996,1998 by Shinsaku Fujita, all rights reserved.
%% This style file is created for drawing chemical structural formulas
%% This style file is to be contained in the ``xymtex'' directory which
%% is an input directory for TeX.
%% 
%% Copying of this file is authorized only if either
%% 
%%  (1) you make absolutely no changes to your copy, including name and
%%      directory name
%%  (2) if you do make changes,
%%      (a) you name it something other than the names included in the
%%          ``xymtex'' directory and
%%      (b) you acknowledge the original name.
%%  This restriction ensures that all standard styles are identical.
%% 
%% =======================================
%% 
%% This file contains several codes modified from latex.tex (LaTeX2.09)
%% and from latex.ltx (a LaTeX2e), the reused parts of which are subject to
%% Copyright 1994 the LaTeX3 project and the individual authors (For further
%% copyright information see the file legal.txt of the LaTeX2e standard
%% distribution, and any other copyright indicated in this file.)
%% 
%% File: hcycle.dtx
%% \CharacterTable
%%  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
%%   Lower-case    \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
%%   Digits        \0\1\2\3\4\5\6\7\8\9
%%   Exclamation   \!     Double quote  \"     Hash (number) \#
%%   Dollar        \$     Percent       \%     Ampersand     \&
%%   Acute accent  \'     Left paren    \(     Right paren   \)
%%   Asterisk      \*     Plus          \+     Comma         \,
%%   Minus         \-     Point         \.     Solidus       \/
%%   Colon         \:     Semicolon     \;     Less than     \<
%%   Equals        \=     Greater than  \>     Question mark \?
%%   Commercial at \@     Left bracket  \[     Backslash     \\
%%   Right bracket \]     Circumflex    \^     Underscore    \_
%%   Grave accent  \`     Left brace    \{     Vertical bar  \|
%%   Right brace   \}     Tilde         \~}
\typeout{XyMTeX for Drawing Chemical Structural Formulas. Version 2.00}
\typeout{       -- Released December 25, 1998 by Shinsaku Fujita}
\def\j@urnalname{hcycle}
\def\versi@ndate{December 25, 1998}
\def\versi@nno{ver2.00}
\def\copyrighth@lder{SF} % Shinsaku Fujita
\typeout{XyMTeX Macro File `\j@urnalname' (\versi@nno) <\versi@ndate>%
\space[\copyrighth@lder]}
\@ifundefined{setsixringv}{\input chemstr.sty\relax}{}
\unitlength=0.1pt
\def\@pyrana{%
   \if\@tmpb S%single bond
    \ifx\@tmpc\empty%
     \yl@xdiff=-10
     \yl@ydiff=30
           \put(0,0){\line(1,0){120}}% single bond at 1
           \putratom{130}{-30}{\@memberb}% right type
    \else\if\@tmpc a%(a) alpha
     \yl@xdiff=32
     \yl@ydiff=72
           \put(0,0){\line(0,-1){118}}% single bond at 1 alpha (down)
           \putratom{-32}{-190}{\@memberb}% right type
    \else\if\@tmpc b%(e) beta
     \yl@xdiff=32
     \yl@ydiff=-12
           \put(0,0){\line(0,1){118}}% single bond at 1 beta (up)
           \putratom{-32}{130}{\@memberb}% right type
    \else\if\@tmpc A% alpha
     \yl@xdiff=-10
     \yl@ydiff=60
           \put(0,0){\line(1,-1){120}}% single bond at 1
           \putratom{130}{-180}{\@memberb}% right type
    \else\if\@tmpc B% beta
     \yl@xdiff=-10
     \yl@ydiff=10
           \put(0,0){\line(1,1){120}}% single bond at 1
           \putratom{130}{110}{\@memberb}% right type
    \fi\fi\fi\fi\fi%
   \else \if\@tmpb D%double bond
     \yl@xdiff=-10
     \yl@ydiff=30
           \put(0,-15){\line(1,0){120}}% double bond at 1
           \put(0,15){\line(1,0){120}}% double bond at 1
           \putratom{130}{-30}{\@memberb}% right type
          \else%
     \yl@xdiff=-10
     \yl@ydiff=30
           \put(0,0){\line(1,0){120}}% single bond at 1
           \putratom{130}{-30}{\@memberb}% right type
   \fi\fi}%
\def\@pyranb{%
   \if\@tmpb S%single bond
    \ifx\@tmpc\empty%
     \yl@xdiff=-10
     \yl@ydiff=60
           \put(0,0){\line(1,-1){120}}% single bond at 1
           \putratom{130}{-180}{\@memberb}% left type
    \else\if\@tmpc a%(a) alpha
     \yl@xdiff=32
     \yl@ydiff=72
           \put(0,0){\line(0,-1){118}}% single bond alpha (down)
           \putlratom{-32}{-190}{\@memberb}% left & right type
    \else\if\@tmpc b%(b) beta
     \yl@xdiff=32
     \yl@ydiff=-12
           \put(0,0){\line(0,1){118}}% single bond beta (up)
           \putlratom{-32}{130}{\@memberb}% left & right type
    \fi\fi\fi%\fi\fi%
   \else \if\@tmpb D%double bond: Added by SF 1998/10/25
     \yl@xdiff=-10
     \yl@ydiff=60
           \put(-15,-15){\line(1,-1){120}}% double bond at 1
           \put(0,15){\line(1,-1){120}}% double bond at 1
           \putratom{130}{-180}{\@memberb}% right type
          \else%
     \yl@xdiff=-10
     \yl@ydiff=10
           \put(0,0){\line(1,1){120}}% single bond at 1
           \putratom{130}{110}{\@memberb}% left type
\fi\fi}%
\def\@pyranbb{%
   \if\@tmpb S%single bond
    \ifx\@tmpc\empty%
     \yl@xdiff=-10
     \yl@ydiff=60
           \put(0,0){\line(1,-1){120}}% single bond at 1
           \putratom{130}{-180}{\@memberb}% left type
    \else\if\@tmpc a%(a) alpha
     \yl@xdiff=32
     \yl@ydiff=72
           \put(0,0){\line(0,-1){118}}% single bond alpha (down)
           \putlratom{-32}{-190}{\@memberb}% left & right type
    \else\if\@tmpc b%(b) beta
     \yl@xdiff=32
     \yl@ydiff=-12
           \put(0,0){\line(0,1){118}}% single bond beta (up)
           \putlratom{-32}{130}{\@memberb}% left & right type
    \fi\fi\fi%\fi\fi%
   \else \if\@tmpb D%double bond: Added by SF 1998/10/25
     \yl@xdiff=20
     \yl@ydiff=60
           \put(15,-15){\line(-1,-1){120}}% double bond at 1
           \put(0,15){\line(-1,-1){120}}% double bond at 1
           \putlatom{-130}{-180}{\@memberb}%left type
          \else%
     \yl@xdiff=10
     \yl@ydiff=60
           \put(0,0){\line(-1,-1){120}}% single bond at 1
           \putlatom{-130}{-180}{\@memberb}% left type
\fi\fi}%
\def\@pyranbB{%
   \if\@tmpb S%single bond
    \ifx\@tmpc\empty%
     \yl@xdiff=-10
     \yl@ydiff=60
           \put(0,0){\line(1,-1){120}}% single bond at 5
           \putratom{130}{-180}{\@memberb}% left type
    \else\if\@tmpc a%(a) alpha
     \yl@xdiff=32
     \yl@ydiff=72
           \put(0,0){\line(0,-1){118}}% single bond alpha (down)
           \putlratom{-32}{-190}{\@memberb}% left & right type
    \else\if\@tmpc b%(b) beta
     \yl@xdiff=32
     \yl@ydiff=-12
           \put(0,0){\line(0,1){118}}% single bond beta (up)
           \putlratom{-32}{130}{\@memberb}% left & right type
    \fi\fi\fi%\fi\fi%
   \else \if\@tmpb D%double bond: Added by SF 1998/10/25
     \yl@xdiff=0
     \yl@ydiff=-20
           \put(15,15){\line(-1,1){120}}% double bond at 5
           \put(0,-15){\line(-1,1){120}}% double bond at 5
           \putlatom{-120}{140}{\@memberb}%left type
          \else%
     \yl@xdiff=10
     \yl@ydiff=-20
           \put(0,0){\line(-1,1){120}}% single bond at 1
           \putlatom{-130}{140}{\@memberb}% left type
\fi\fi}%
\def\@pyranc{%
   \if\@tmpb S%single bond
    \ifx\@tmpc\empty%
     \yl@xdiff=10
     \yl@ydiff=30
           \put(0,0){\line(-1,0){120}}% single bond at 4
           \putlatom{-130}{-30}{\@memberb}% left type
    \else\if\@tmpc a%(a) alpha
     \yl@xdiff=-32
     \yl@ydiff=72
           \put(0,0){\line(0,-1){118}}% single bond at 4 alpha (down)
           \putlatom{32}{-190}{\@memberb}% left type
    \else\if\@tmpc b%(e) beta
     \yl@xdiff=-32
     \yl@ydiff=-12
           \put(0,0){\line(0,1){118}}% single bond at 4 beta (up)
           \putlatom{32}{130}{\@memberb}% left type
    \else\if\@tmpc A% alpha
     \yl@xdiff=10
     \yl@ydiff=60
           \put(0,0){\line(-1,-1){120}}% single bond at 4
           \putlatom{-130}{-180}{\@memberb}% left type
    \else\if\@tmpc B% beta
     \yl@xdiff=10
     \yl@ydiff=10
           \put(0,0){\line(-1,1){120}}% single bond at 4
           \putlatom{-130}{110}{\@memberb}% left type
    \fi\fi\fi\fi\fi%
   \else \if\@tmpb D%double bond
     \yl@xdiff=10
     \yl@ydiff=30
           \put(0,-15){\line(-1,0){120}}% double bond at 4
           \put(0,15){\line(-1,0){120}}% double bond at 4
           \putlatom{-130}{-30}{\@memberb}% left type
          \else%
     \yl@xdiff=10
     \yl@ydiff=30
           \put(0,0){\line(-1,0){120}}% single bond at 4
           \putlatom{-130}{-30}{\@memberb}% left type
   \fi\fi}%
\def\pyranose{\@ifnextchar[{\@pyranose}{\@pyranose[r]}}
\def\@pyranose[#1]#2{%
\@reset@ylsw%
\ylpyranoseposition{#2}%
\def\@@ylii{0}\def\@@yli{0}%
\if@ylsw
 \yl@shiftii=\@ylii
 \yl@shifti=\@yli
 \advance\yl@shiftii\@@ylii
 \advance\yl@shifti\@@yli
 \advance\yl@shiftii\yl@xdiff
 \advance\yl@shifti\yl@ydiff
 \begin{picture}(0,0)(-\yl@shiftii,-\yl@shifti)
 \reset@yl@xydiff%1999/1/6 by S. Fujita
\else
 \begin{picture}(880,800)(-240,-400)
  \iforigpt \put(-240,-400){\circle*{50}}%
           \put(0,0){\circle{50}}%
   \typeout{command `pyranose' origin: (0,0) ---> (240,400)}
  \fi%
\fi
  \put(0,0){\line(3,5){120}}%           %bond 4-5
  \put(120,200){\line(1,0){252}}%       %bond 5-6
  \put(532,0){\line(-3,5){96}}%         %bond 1-6
 {\thicklines%
  \put(0,0){\line(3,-5){120}}%          %bond 4-3
  \put(412,-200){\line(3,5){120}}%      %bond 2-1
  \put(120,-200){\line(1,0){292}}}%     %bond 3-2
  \putratom{382}{160}{O}% left type
  %
\@tfor\member:=#1\do{%
\if\member r%no endcyclic double bonds
\else \if\member a%
  \put(400,-150){\line(3,5){90}}%       %double bond 2-1
\else \if\member b%
  \put(150,-160){\line(1,0){232}}%      %double bond 3-2
\else \if\member c%
  \put(50,-12){\line(3,-5){90}}%        %double bond 4-3
\else \if\member d%
  \put(50,12){\line(3,5){90}}%          %double bond 4-5
\else \if\member e%
  \put(150,160){\line(1,0){232}}%       %double bond 5-6
\else \if\member f%
  \put(482,12){\line(-3,5){70}}%        %double bond 1-6
\fi\fi\fi\fi\fi\fi\fi}%
\@forsemicol\member:=#2\do{%
\ifx\member\empty\else
\expandafter\@m@mb@r\member;\relax%
\expandafter\threech@r\@membera{}{}%
\ifx\@memberb\@yl\else
\ifcase\@tmpa%0 omit
 \or \put(532,0){\@pyrana}% subst. on 1
 \or \put(412,-200){\@pyranb}% subst. on 2
 \or \put(120,-200){\@pyranbb}% subst. on 3
 \or \put(0,0){\@pyranc}% subst. on 4
 \or \put(120,200){\@pyranbB}% subst. on 5
\fi %end of ifcase
\fi\fi%
}\end{picture}}%               %end of \pyranose macro
\def\ylpyranoseposition#1{%
\@@ylswfalse%%%\@reset@ylsw
\@forsemicol\member:=#1\do{%
\if@@ylsw\else
\ifx\member\empty\else
\expandafter\@m@mb@r\member;\relax
\expandafter\threech@r\@membera{}{}\relax
\ifx\@memberb\@yl\relax\@@ylswtrue\else\@@ylswfalse\fi
\if@@ylsw
\ifcase\@tmpa%0 omit
 \or\gdef\@ylii{-532}\gdef\@yli{0}\global\@ylswtrue% subst. on 1
 \or\gdef\@ylii{-412}\gdef\@yli{200}\global\@ylswtrue% subst. on 2
 \or\gdef\@ylii{-120}\gdef\@yli{200}\global\@ylswtrue% subst. on 3
 \or\gdef\@ylii{0}\gdef\@yli{0}\global\@ylswtrue% subst. on 4
 \or\gdef\@ylii{-120}\gdef\@yli{-200}\global\@ylswtrue% subst. on 5
\fi%end of ifcase
\fi\fi\fi}}%
\def\furanose{\@ifnextchar[{\@furanose}{\@furanose[r]}}
\def\@furanose[#1]#2{%
\@reset@ylsw%
\ylfuranoseposition{#2}%
\def\@@ylii{0}\def\@@yli{0}%
\if@ylsw
 \yl@shiftii=\@ylii
 \yl@shifti=\@yli
 \advance\yl@shiftii\@@ylii
 \advance\yl@shifti\@@yli
 \advance\yl@shiftii\yl@xdiff
 \advance\yl@shifti\yl@ydiff
 \begin{picture}(0,0)(-\yl@shiftii,-\yl@shifti)
 \reset@yl@xydiff%1999/1/6 by S. Fujita
\else
 \begin{picture}(880,800)(-240,-400)
  \iforigpt \put(-240,-400){\circle*{50}}%
           \put(0,0){\circle{50}}%
   \typeout{command `furanose' origin: (0,0) ---> (240,400)}
\fi
  \fi%
   \put(0,0){\line(5,3){236}}%          %bond 4-5
   \put(532,0){\line(-5,3){236}}%       %bond 1-5
 {\thicklines%
  \put(0,0){\line(3,-5){120}}%          %bond 4-3
  \put(412,-200){\line(3,5){120}}%      %bond 2-1
  \put(120,-200){\line(1,0){292}}}%     %bond 3-2
  \putratom{236}{130}{O}% left type
\@tfor\member:=#1\do{%
\if\member r%no endcyclic double bonds
\else \if\member a%
  \put(400,-150){\line(3,5){80}}%       %double bond 2-1
\else \if\member b%
  \put(150,-160){\line(1,0){232}}%      %double bond 3-2
\else \if\member c%
  \put(50,-12){\line(3,-5){80}}%        %double bond 4-3
\else \if\member d%
  \put(50,0){\line(5,3){180}}%          %double bond 4-5
\else \if\member e%
  \put(482,0){\line(-5,3){180}}%        %double bond 1-5
\fi\fi\fi\fi\fi\fi}%
\@forsemicol\member:=#2\do{%
\ifx\member\empty\else
\expandafter\@m@mb@r\member;\relax%
\expandafter\threech@r\@membera{}{}%
\ifx\@memberb\@yl\else
\ifcase\@tmpa%0 omit
 \or \put(532,0){\@pyrana}% subst. on 1
 \or \put(412,-200){\@pyranb}% subst. on 2
 \or \put(120,-200){\@pyranbb}% subst. on 3
 \or \put(0,0){\@pyranc}% subst. on 4
\fi%end of ifcase
\fi\fi%
}\end{picture}}%               %end of \furanose macro
\def\ylfuranoseposition#1{%
\@@ylswfalse%%%\@reset@ylsw
\@forsemicol\member:=#1\do{%
\if@@ylsw\else
\ifx\member\empty\else
\expandafter\@m@mb@r\member;\relax
\expandafter\threech@r\@membera{}{}\relax
\ifx\@memberb\@yl\relax\@@ylswtrue\else\@@ylswfalse\fi
\if@@ylsw
\ifcase\@tmpa%0 omit
 \or\gdef\@ylii{-532}\gdef\@yli{0}\global\@ylswtrue% subst. on 1
 \or\gdef\@ylii{-412}\gdef\@yli{200}\global\@ylswtrue% subst. on 2
 \or\gdef\@ylii{-120}\gdef\@yli{200}\global\@ylswtrue% subst. on 3
 \or\gdef\@ylii{0}\gdef\@yli{0}\global\@ylswtrue% subst. on 4
\fi%end of ifcase
\fi\fi\fi}}%
\endinput
%%
%% End of file `hcycle.sty'.