Update dependencies

.github/workflows/main.yml

@@ -17,6 +17,9 @@ jobs:
           conan profile detect
           conan profile detect --name debug
           echo "&:build_type=Debug" >> $(conan profile path debug)
+          pushd ~/.conan2/profiles
+          sed -i 's/gnu17/17/g' *
+          popd
           conan install -of . -pr debug -o with_tests=True .
       - name: Run CMake
         run: cmake --preset conan-debug -DUSE_COVERAGE=ON .
@@ -56,18 +59,18 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - name: Install parallelism library for C++
-        run: sudo apt update && sudo apt install libtbb2
+        run: sudo apt update && sudo apt install libtbb12
       - uses: MarkusJx/install-boost@v2.4.1
         with:
-          boost_version: 1.81.0
+          boost_version: 1.84.0
       - name: Install SCIP
         run: |
-          wget https://github.com/scipopt/scip/releases/download/v803/SCIPOptSuite-8.0.3-Linux-ubuntu.sh
-          chmod +x SCIPOptSuite-8.0.3-Linux-ubuntu.sh
-          ./SCIPOptSuite-8.0.3-Linux-ubuntu.sh --skip-license
+          wget https://github.com/scipopt/scip/releases/download/v901/SCIPOptSuite-9.0.1-Linux-ubuntu22.sh
+          chmod +x SCIPOptSuite-9.0.1-Linux-ubuntu22.sh
+          ./SCIPOptSuite-9.0.1-Linux-ubuntu22.sh --skip-license
       - name: Build SCIP++
         run: |
-          CMAKE_PREFIX_PATH=./lib/cmake/scip:./boost/boost/lib/cmake/Boost-1.81.0 cmake -DBUILD_TESTS=ON .
+          CMAKE_PREFIX_PATH=./lib/cmake/scip:./boost/boost/lib/cmake/Boost-1.84.0 cmake -DBUILD_TESTS=ON .
           make -j tests
       - name: Run tests
         run: ./test/tests
@@ -82,6 +85,9 @@ jobs:
       - name: Run Conan Install
         run: |
           conan profile detect
+          pushd ~/.conan2/profiles
+          sed -i'' -e 's/gnu17/17/g' *
+          popd
           conan install -of . -o with_tests=True .
       - name: Run CMake
         run: cmake --preset conan-release .
@@ -97,6 +103,9 @@ jobs:
       - name: Run Conan Install
         run: |
           conan profile detect
+          pushd ~/.conan2/profiles
+          sed -i 's/gnu17/17/g' *
+          popd
           conan install -of . .
       - name: Create CMake Compilation Database
         run: cmake --preset conan-release -DCMAKE_EXPORT_COMPILE_COMMANDS=ON .
@@ -117,7 +126,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: ssciwr/doxygen-install@v1
         with:
-          version: "1.9.6"
+          version: "1.10.0"
       - uses: ts-graphviz/setup-graphviz@v1
       - name: Prepare Doxygen Config
         run: echo "PROJECT_NUMBER = ${GITHUB_REF}" >> Doxyfile

changelog.md

@@ -4,6 +4,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased] - [Doc:Unreleased]
 
+## [1.2.0] - 2024-05-21
+
 ### Changed
 
 - [PR20](https://github.com/scipopt/SCIPpp/pull/20) `LinExpr` can be constructed from any arithmetic type without
@@ -61,7 +63,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 Initial release
 
 [Doc:Unreleased]: https://scipopt.github.io/SCIPpp/
-[Unreleased]: https://github.com/scipopt/SCIPpp/compare/1.1.0...main
+[Unreleased]: https://github.com/scipopt/SCIPpp/compare/1.2.0...main
+[1.2.0]: https://github.com/scipopt/SCIPpp/releases/tag/1.2.0
 [1.1.0]: https://github.com/scipopt/SCIPpp/releases/tag/1.1.0
 [1.0.2]: https://github.com/scipopt/SCIPpp/releases/tag/1.0.2
 [1.0.1]: https://github.com/scipopt/SCIPpp/releases/tag/1.0.1

conanfile.py

@@ -67,15 +67,15 @@ def set_version(self):
             try:
                 self.version = git.run("describe --tags --dirty=-d").strip()
             except:
-                self.version = "1.1.0"
+                self.version = "1.2.0"
 
     def layout(self):
         cmake_layout(self)
 
     def requirements(self):
-        self.requires("scip/8.0.4", transitive_headers=True)
+        self.requires("scip/9.0.1", transitive_headers=True)
         if self.options.with_tests:
-            self.requires("boost/[>=1.81.0 <2]")  # required only for tests
+            self.requires("boost/[>=1.84.0 <2]")  # required only for tests
 
     def generate(self):
         tc = CMakeToolchain(self)

include/scippp/solving_statistics.hpp

@@ -172,9 +172,13 @@ static const Statistic<SCIP_Real> AVG_INFERENCE_SCORE_CURRENT_RUN { &SCIPgetAvgI
 static const Statistic<SCIP_Real> AVG_CUTOFF_SCORE { &SCIPgetAvgCutoffScore };
 //! average cutoff score value over all variables, only using the cutoff information of the current run
 static const Statistic<SCIP_Real> AVG_CUTOFF_SCORE_CURRENT_RUN { &SCIPgetAvgCutoffScoreCurrentRun };
+//! average normalized efficacy of a GMI cut over all variables
+static const Statistic<SCIP_Real> AVG_G_M_IEFF { &SCIPgetAvgGMIeff };
 //! total number of LPs solved so far
 static const Statistic<SCIP_Real> DETERMINISTIC_TIME { &SCIPgetDeterministicTime };
 //! total number of implications between variables that are stored in the implication graph
 static const Statistic<int> N_IMPLICATIONS { &SCIPgetNImplications };
+//! recomputes and returns the primal dual gap stored in the stats
+static const Statistic<SCIP_Real> PRIMAL_DUAL_INTEGRAL { &SCIPgetPrimalDualIntegral };
 
 }

readme.md

@@ -144,6 +144,17 @@ The model exposes
 * `SCIPround` via `round(double)`, and
 * `SCIPisZero` via `isZero(double)`
 
+### Access Solving Statistics
+
+Use the `Statistics<T>` objects from the header [solving_statistics.hpp](include/scippp/solving_statistics.hpp) to
+access solving statistics in a type-safe way:
+
+```cpp
+...
+model.solve();
+auto pb { model.getSolvingStatistic(statistics::PRIMALBOUND) };
+```
+
 ### Features Not Yet Supported
 
 For features not yet supported by SCIP++, one can access the underlying raw SCIP object via
@@ -240,6 +251,9 @@ make tests
 Use `gen_constexpr_parameters` to transform all SCIP parameters into constexpr `scippp::params::Param<T>` objects which
 can be added to the `parameters.hpp` header.
 
+Use `extract_solvingstats` to transform all SCIP methods that access solving statistics into static const
+`scippp::statistics::Statistic<T>` objects which can be added to the `solving_statistics.hpp` header.
+
 ## Maintainer
 
 This project is maintained by Ivo Hedtke `ivo (dot) hedtke (at) dbschenker (dot) com`.