Am 21.03.2009 um 23:26 schrieb Arthur Reutenauer:
Can I divide dimensions to get a number in pdftex?
LaTeX has a package to do exactly that, fp. You could look into its
code. Or you could use LuaTeX :-)
It's easy to do with etex but I would use lua if possible.
\starttext
\unprotect
\!!dimena=1cm
\!!dimenb=2cm
\!!dimenc=1cm
\!!dimend=3cm
\ifdim\dimexpr\!!dimena*100/\!!dimenb\relax>\dimexpr\!!dimenc*100/\!!
dimend\relax
this
\else
that
\fi
\!!dimend=1cm
\ifdim\dimexpr\!!dimena*100/\!!dimenb\relax>\dimexpr\!!dimenc*100/\!!
dimend\relax
this
\else
that
\fi
\protect
\stoptext
Wolfgang
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