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tempest/doc/update_resources.md

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Update shipped third party resources

Eigen

In Eigen, we have adapted SparseLU to work with scalar types that do not default construct from a double (like CLN numbers) or that do not have an operator< or std::abs

To update the Eigen version, just change the corresponding commit hash in $STORM_DIR/resources/3rdparty/CmakeLists.txt. Check whether the patch located at $STORM_DIR/resources/3rdparty/patches/eigen.patch can be applied without issues (in particular check for changes in Eigen/src/SparseLU/)

In case a new patch needs to be created follow these steps:

  1. Clone https://gitlab.com/libeigen/eigen.git to $STORM_DIR/resources/3rdparty/ and checkout the corresponding commit
  2. Checkout a new branch
  3. Apply the old patch via git apply $STORM_DIR/resources/3rdparty/patches/eigen.patch
  4. Resolve issues, make changes, and commit them
  5. Create a new patch file via git format-patch <tag> --stdout > eigen.patch, where <tag> is the tag, branch or commit from step 1

googletest / gtest

To update gtest, simply download the new sources from here and put them to $STORM_DIR/resources/3rdparty/googletest.

The currently shipped version can be shown using

grep GOOGLETEST_VERSION $STORM_DIR/resources/3rdparty/googletest/CMakeLists.txt

We add some extra code to gtest located in $STORM_DIR/src/test/storm_gtest.h. Note that our code might not be compatible with future versions of gtest.