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Text File  |  1993-01-11  |  817b  |  23 lines
  1. %
  2. % small extension for ifthen style -- TeX \newif's
  3. %
  4. % e.g., \ifthen{\boolean{@twoside}}{}{}
  5. % 
  6. \def\boolean#1{1=1\fi\noexpand\csname if#1\endcsname\def\noexpand\@tempa{1=1}%
  7. \else\def\noexpand\@tempa{1=0}\fi\ifnum\noexpand\@tempa}
  8. %
  9. %
  10. %
  11. %  \ifthenelse{\dimenequal{10pt}{20pt}}{}{}   like #1 = #2
  12. %  \ifthenelse{\dimenless{10pt}{20pt}}{}{}    like #1 < #2
  13. %  \ifthenelse{\dimengreater{10pt}{20pt}}{}{} like #1 > #2
  14. %
  15. \def\dimenequal#1#2{1=1\fi\noexpand\ifdim #1=#2 \def\noexpand\@tempa{1=1}
  16. \else\def\noexpand\@tempa{1=0}\fi\ifnum\noexpand\@tempa}
  17. %
  18. \def\dimenless#1#2{1=1\fi\noexpand\ifdim #1<#2 \def\noexpand\@tempa{1=1}
  19. \else\def\noexpand\@tempa{1=0}\fi\ifnum\noexpand\@tempa}
  20. %
  21. \def\dimengreater#1#2{1=1\fi\noexpand\ifdim #1>#2 \def\noexpand\@tempa{1=1}
  22. \else\def\noexpand\@tempa{1=0}\fi\ifnum\noexpand\@tempa}
  23.