All Questions
Tagged with macros conditionals
352
questions
1
vote
2
answers
44
views
Can I change the effect of a command depending on the environment in which it's invoked?
I need a user-defined command to behave differently depending on whether it's invoked inside a \begin{quotation} environment or not. Is that possible? I don't know where to start!
- 125
0
votes
1
answer
57
views
Comparison of macros fails
I am new to LaTex and have been given a problem by my colleagues. They define a document type in a TeX file (e.g. 'svvr', 'srs', ...). This external definition corresponds to lines 4 and 5 in my ...
- 1
1
vote
2
answers
35
views
Weird Question with def, and condition
MWE:
\documentclass{article}
\def\ENLANG{english}
\def\FRLANG{french}
\def\LANG{\ENLANG}
\begin{document}
\if\LANG\ENLANG \ENLANG \else \FRLANG \fi
\ifx\LANG\ENLANG \ENLANG \else \FRLANG \fi
\LANG\ \...
- 25
1
vote
1
answer
63
views
Detect if a parameter passed to command is a mathematical formula
I'm defining a command which displays braced paragraphs and an isomorphism between them, but I want the command to recognize if one of the paragraphs is something purely mathematical and therefore not ...
- 153
7
votes
4
answers
305
views
Adding up numbers
In a local class file I maintain, we have a system that can automatically add up numbers (in our case, marks for an assignment) and then output the sum.
I would like to develop it to add up limited ...
- 1,574
1
vote
0
answers
32
views
How to make conditional command with non-numerical condition? [duplicate]
I would like to know if someone has a solution to the following problem:
I have recently start to create shortcut to certain operator to display directly the parenthesis around their arguments.
\...
- 11
3
votes
4
answers
136
views
Compare first token after expanding macro once and discard the rest
How does one write an if clause that checks whether the first element of the immediate expansion is \mymacro, without fully expanding the input?
\documentclass{minimal}
\def\mymacro#1{Does something ...
- 565
1
vote
2
answers
71
views
How to do an if after an `exp:args` in expl3
Following this answer by @JasperHabicht, in my code, I would like to add an option to that macro so, depending on a flag I can execute either \drawMoveFromSgfCoords or \drawStoneFromSgfCoords. I still ...
- 438
5
votes
4
answers
482
views
Inline If-Else Statement Based on Macro Argument
How do I do an inline if-else statement?
\draw[draw = #1, fill = \if black#1 white \else black \fi, line width = 0.1mm]
(#2, #3) circle [radius = 0.25cm];
I've tried to do it based on this answer, ...
- 438
2
votes
3
answers
133
views
Conditional macros
Goal: I would like to have a macro that substitutes different commands depending in whether in displayed math mode or not. In particular, it should generate fixed-size angular brackets in text lines, \...
- 23
0
votes
1
answer
86
views
LaTeX: \equal not recognized within \section command
I have the following code, where I want to steer the language of some titles and some texts using a "\newcommand". The following minimal example uses the new command "kLanguage", ...
- 19
1
vote
1
answer
58
views
conditionals inside newcommand with multiple argument
This question is an extension of conditionals inside newcommand with empty argument
I have a macro that looks like
\newcommand{\pcs}[3]{{#1}_{#2}^{(#3)}}
It is the third input where I would like to ...
- 199
1
vote
1
answer
63
views
Add a plural sign depending on the number of items
I'd like to add a plural sign (say a 's') when needed. My current use case is for pluralizing a noun based on the number of pages in a document but I could also count oranges and bananas down the road....
- 476
3
votes
1
answer
117
views
Help making conditionals in a macro
I have this bit of code that list the author in bold and each their affiliations in italics everytime \AddAuthor is called and send all authors to TOC.
\newcommand{\AddAuthor}[2]{} %container
\...
- 150
2
votes
1
answer
80
views
ifcase eats up letters
I created a command that switches between GCD and LCM. However it has a side effect of erasing everything before the second visible character after the command. How can I fix this bug?
\documentclass{...
- 21