Use appropriate latex packages for doxygen formulas.

diff --git a/doc/doxygen/options.dox.in b/doc/doxygen/options.dox.in
index df538191f92eaee5ebfb46bac27dcbfdbb5246eb..7608b23ae993cfe81222a7a913b7a42baa1b8e64 100644 (file)
--- a/doc/doxygen/options.dox.in
+++ b/doc/doxygen/options.dox.in
@@ -134,7 +134,7 @@ GENERATE_LATEX         = NO
 # but set a few flags for when processing formulas embedded
 # in the documentation.
 PAPER_TYPE             = a4wide
-EXTRA_PACKAGES         = amsmath amsfonts
+EXTRA_PACKAGES         = amsmath amsfonts mathtools
 LATEX_BATCHMODE        = YES
 
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