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Diffstat (limited to 'Master/texmf-dist/tex/latex/bez123/multiply.sty')
| -rw-r--r-- | Master/texmf-dist/tex/latex/bez123/multiply.sty | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/latex/bez123/multiply.sty b/Master/texmf-dist/tex/latex/bez123/multiply.sty new file mode 100644 index 00000000000..14a76bef147 --- /dev/null +++ b/Master/texmf-dist/tex/latex/bez123/multiply.sty @@ -0,0 +1,77 @@ +%% +%% This is file `multiply.sty', +%% generated with the docstrip utility. +%% +%% The original source files were: +%% +%% bez123.dtx (with options: `mult') +%% +%% Author: Peter Wilson (CUA and NIST) +%% now at: peter.r.wilson@boeing.com +%% +%% Copyright 1998 Peter R. Wilson +%% +%% This program is provided under the terms of the +%% LaTeX Project Public License distributed from CTAN +%% archives in directory macros/latex/base/lppl.txt. +%% +\ProvidesPackage{multiply}[1998/10/14 v1.1 Multiplication of lengths without overflow] +\newlength{\n@fl@wa} +\newlength{\n@fl@wb} +\newlength{\n@fl@wc} +\newif\ifch@nge +\newcommand{\multnooverflow}[2]{% + \n@fl@wa = #1\relax% + \n@fl@wb = #2\relax% + \ch@ngefalse% + \ifnum\n@fl@wb = \@ne% + \else% + \ifnum\n@fl@wb = \z@% + \n@fl@wa = \z@% + \else% + \ifnum\n@fl@wb = \m@ne% + \ch@ngetrue% + \else% + \ifnum\n@fl@wa = \z@% + \else% + \ifnum\n@fl@wa = \@ne% + \n@fl@wa = \n@fl@wb% + \else% + \ifnum\n@fl@wa = \m@ne% + \n@fl@wa = -\n@fl@wb% + \else% + \ifnum\n@fl@wa < \z@% + \ch@ngetrue% + \n@fl@wa = -\n@fl@wa% + \fi% + \ifnum\n@fl@wb < \z@% + \n@fl@wb = -\n@fl@wb% + \ifch@nge% + \ch@ngefalse% + \else% + \ch@ngetrue% + \fi% + \fi% + \n@fl@wc = \maxdimen% + \divide\n@fl@wc by \n@fl@wb% + \advance\n@fl@wc by -1sp% \m@ne + \ifnum\n@fl@wa > \n@fl@wc% + \n@fl@wa = \maxdimen% + \PackageWarning{multiply}{Multiplication overflow}% + \else% + \multiply\n@fl@wa by \n@fl@wb% + \fi% + \fi% + \fi% + \fi% + \fi% + \fi% + \fi% + \ifch@nge% + \n@fl@wa = -\n@fl@wa% + \fi% + #1 = \n@fl@wa% +} +\endinput +%% +%% End of file `multiply.sty'. |