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5
votes
1answer
348 views

TikZ: How to compare approximate equality of dimensions?

When scaling tikzpicture using option scale, some points that had equal coordinates appear to be shifted a little bit. So the precise comparision \ifdim \y1 = \y2 will not do anymore. I'm aware of ...
4
votes
2answers
825 views

Compare a character to a character code?

How can one compare a character (e.g. "U") with a character code in a certain font (e.g. "\char85"). I'd expect the following to work: \documentclass{article} \usepackage{ifthen} \begin{document} ...