detect if the point distribution and the points in the solution differ

1 files changed, 12 insertions, 1 deletions

diff --git a/latex/common.tex b/latex/common.tex
index 87ede1c4..288d03f9 100644
--- a/latex/common.tex
+++ b/latex/common.tex
@@ -32,9 +32,12 @@
 \newenvironment{Aufg}[1][]{
 \refstepcounter{Aufg}%
 \noindent\textbf{Aufgabe \theAufg\ifstrempty{#1}{}{\ #1}:%
-\ifdefempty{\Verteilung}{}{\  \Verteilung} \hfill {/}\ref{a:\theAufg} \ BE}%
+\ifdefempty{\Verteilung}{}{\  \Verteilung{} BE} \hfill {/}\ref{a:\theAufg} \ BE}%
 \newline
 }{%
+\ifdefempty{\Verteilung}%
+  {\setcounter{distSum}{-1}}%
+  {\setcounter{distSum}{\fpeval{\Verteilung}}}%
 \renewcommand{\Verteilung}{}% reset the distribution after each exercise
 \global\let\Verteilung\Verteilung%
 }
@@ -45,6 +48,9 @@
 \newcounter{beAManuell} % Counter to manually override the points in the current exercise
 \setcounter{beAManuell}{-1}
 
+\newcounter{distSum} % Counter to check the sum of the point distribution
+\setcounter{distSum}{-1}
+
 \newcommand{\BE}[1]{%
 \iftoggle{erwartungshorizont}{% Typeset the points only if we are creating a horizon of expectation
 #1 BE}{}% TODO: better typesetting
@@ -78,6 +84,11 @@
 \addtocounter{beA}{-1}% decrement beA count because refstepcounter will increment it
 \refstepcounter{beA}% make the beA available for the ref and label mechanisms
 \expandafter\label{a:\theAufg}% create a label for this exercise
+\ifnumgreater{\thedistSum}{-1}{%
+  \ifnumequal{\thedistSum}{\thebeA}{}{%
+    \errmessage{Aufg \theAufg: \noexpand\Verteilung (\thedistSum) and point count (\thebeA) are not equal}%
+  }%ifnumequal
+}{}%ifnumfreater
 }
 
 \newtheoremstyle{Bearbeitung}% name of the style to be used