\ifnum commands?I can't make sense of code that has them but I'd like to learn how they work.
Thanks!
Math & Science ⇒ Recommend an \ifnum introduction
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LaTexLearner
- Posts: 139
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Recommend an \ifnum introduction
Can anybody recommend an introduction to the
I can't make sense of code that has them but I'd like to learn how they work.
Thanks!
I can't make sense of code that has them but I'd like to learn how they work.
Thanks!
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Recommend an \ifnum introduction
\ifnum is a TeX primitive conditional for comparing integers:Code: Select all
\ifnum1=1
true
\else
false
\fi % yields true
\ifnum1<2
true
\else
false
\fi % yields true
\ifnum1>2
true
\else
false
\fi % yields false
\bye\ifnum and all other primitives are explained in the TeX book or in TeX by topic: 
texbytopic.Regards
site moderator & package author
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Stefan Kottwitz
- Site Admin
- Posts: 10348
- Joined: Mon Mar 10, 2008 9:44 pm
Recommend an \ifnum introduction
Perhaps you may also be interested in the ifthen package.
Also, some modern packages such as pgf provide tools for comparing or calculating. More complex calculations could be done using LuaTeX. I use LuaTeX and binary math for calculating subnet IP addresses, for example.
Stefan
ifthen package.Also, some modern packages such as pgf provide tools for comparing or calculating. More complex calculations could be done using LuaTeX. I use LuaTeX and binary math for calculating subnet IP addresses, for example.
Stefan
LaTeX.org admin