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- % AMSSYM.DEF September 1990
- \def\fileversion{v1.0b}
-
- % This file contains definitions that perform the same functions as similar
- % ones in AMS-TeX, so that the file AMSSYM.TEX can be used outside of AMS-TeX.
- %
- % American Mathematical Society, Technical Support Group, P. O. Box 6248,
- % Providence, RI 02940
- % 800-321-4AMS or 401-455-4080; Internet: Tech-Support@Math.AMS.com
- %
- % Copyright (C) 1990, American Mathematical Society.
- % All rights reserved. Copying of this file is authorized only if either:
- % (1) you make absolutely no changes to your copy including name; OR
- % (2) if you do make changes, you first rename it to some other name.
- %
- % Instructions for using this file and the AMS symbol fonts are included in
- % the AMSFonts 2.0 User's Guide.
- %
- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
- % Store the catcode of the @ in the csname so that it can be restored later.
- \expandafter\chardef\csname pre amssym.def at\endcsname=\the\catcode`\@
- % Set the catcode to 11 for use in private control sequence names.
- \catcode`\@=11
-
- % Include all definitions related to the fonts msam, msbm and eufm, so that
- % when this file is used by itself, the results with respect to those fonts
- % are equivalent to what they would have been using AMS-TeX.
- % Most symbols in fonts msam and msbm are defined using \newsymbol;
- % however, a few symbols that replace composites defined in plain must be
- % defined with \mathchardef.
-
- \def\undefine#1{\let#1\undefined}
- \def\newsymbol#1#2#3#4#5{\let\next@\relax
- \ifnum#2=\@ne\let\next@\msafam@\else
- \ifnum#2=\tw@\let\next@\msbfam@\fi\fi
- \mathchardef#1="#3\next@#4#5}
- \def\mathhexbox@#1#2#3{\relax
- \ifmmode\mathpalette{}{\m@th\mathchar"#1#2#3}%
- \else\leavevmode\hbox{$\m@th\mathchar"#1#2#3$}\fi}
- \def\hexnumber@#1{\ifcase#1 0\or 1\or 2\or 3\or 4\or 5\or 6\or 7\or 8\or
- 9\or A\or B\or C\or D\or E\or F\fi}
-
- \font\tenmsa=msam10
- \font\sevenmsa=msam7
- \font\fivemsa=msam5
- \newfam\msafam
- \textfont\msafam=\tenmsa
- \scriptfont\msafam=\sevenmsa
- \scriptscriptfont\msafam=\fivemsa
- \edef\msafam@{\hexnumber@\msafam}
- \mathchardef\dabar@"0\msafam@39
- \def\dashrightarrow{\mathrel{\dabar@\dabar@\mathchar"0\msafam@4B}}
- \def\dashleftarrow{\mathrel{\mathchar"0\msafam@4C\dabar@\dabar@}}
- \let\dasharrow\dashrightarrow
- \def\ulcorner{\delimiter"4\msafam@70\msafam@70 }
- \def\urcorner{\delimiter"5\msafam@71\msafam@71 }
- \def\llcorner{\delimiter"4\msafam@78\msafam@78 }
- \def\lrcorner{\delimiter"5\msafam@79\msafam@79 }
- \def\yen{{\mathhexbox@\msafam@55 }}
- \def\checkmark{{\mathhexbox@\msafam@58 }}
- \def\circledR{{\mathhexbox@\msafam@72 }}
- \def\maltese{{\mathhexbox@\msafam@7A }}
-
- \font\tenmsb=msbm10
- \font\sevenmsb=msbm7
- \font\fivemsb=msbm5
- \newfam\msbfam
- \textfont\msbfam=\tenmsb
- \scriptfont\msbfam=\sevenmsb
- \scriptscriptfont\msbfam=\fivemsb
- \edef\msbfam@{\hexnumber@\msbfam}
- \def\Bbb#1{\fam\msbfam\relax#1}
- \def\widehat#1{\setbox\z@\hbox{$\m@th#1$}%
- \ifdim\wd\z@>\tw@ em\mathaccent"0\msbfam@5B{#1}%
- \else\mathaccent"0362{#1}\fi}
- \def\widetilde#1{\setbox\z@\hbox{$\m@th#1$}%
- \ifdim\wd\z@>\tw@ em\mathaccent"0\msbfam@5D{#1}%
- \else\mathaccent"0365{#1}\fi}
- \font\teneufm=eufm10
- \font\seveneufm=eufm7
- \font\fiveeufm=eufm5
- \newfam\eufmfam
- \textfont\eufmfam=\teneufm
- \scriptfont\eufmfam=\seveneufm
- \scriptscriptfont\eufmfam=\fiveeufm
- \def\frak#1{{\fam\eufmfam\relax#1}}
- \let\goth\frak
-
- % Restore the catcode value for @ that was previously saved.
- \catcode`\@=\csname pre amssym.def at\endcsname
-
- \endinput
-