start python binding

Author: francoisbonneau

bindings/python/src/geometry/CMakeLists.txt

@@ -21,6 +21,7 @@
 add_geode_python_binding(
     NAME "py_geometry"
     SOURCES
+#        "random_engine.cpp"
         "geometry.cpp"
     DEPENDENCIES
         ${PROJECT_NAME}::geometry

bindings/python/src/geometry/geometry.cpp

@@ -24,6 +24,7 @@
 #include <pybind11/pybind11.h>
 
 #include <geode/stochastic/geometry/hello_world.hpp>
+#include <geode/stochastic/geometry/random_engine.hpp>
 
 PYBIND11_MODULE( opengeode_stochastic_py_geometry, module )
 {
@@ -32,4 +33,5 @@ PYBIND11_MODULE( opengeode_stochastic_py_geometry, module )
         module, "StochasticGeometryLibrary" )
         .def( "initialize", &geode::StochasticGeometryLibrary::initialize );
     module.def( "hello_world", &geode::hello_world );
+    //    geode::define_random_engine( module );
 }

bindings/python/src/geometry/random_engine.cpp

@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2019 - 2025 Geode-solutions
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#include <geode/stochastic/geometry/random_engine.hpp>
+
+namespace geode
+{
+    template < typename type >
+    type python_sample_uniform( pybind11::class_< RandomEngine >& rand_engine,
+        const std::string& suffix )
+    {
+        const auto read_suffix = absl::StrCat( "sample_uniform_", suffix );
+        manager.def(
+            read_suffix.c_str(), &RandomEngine::sample_uniform< type > );
+    }
+
+    void define_random_engine( pybind11::module& module )
+    {
+        pybind11::class_< RandomEngine > rand_engine( module, "RandomEngine" );
+        rand_engine.def( pybind11::init<>() )
+            .def( "set_seed", &RandomEngine::set_seed )
+            .def( "sample_gaussian", &RandomEngine::sample_gaussian )
+            .def( "sample_bernoulli", &AttributeManager::sample_bernoulli )
+            .def( "attribute_exists", &AttributeManager::attribute_exists );
+        python_sample_uniform< index_t >( rand_engine, "index_t" );
+        python_sample_uniform< local_index_t >( rand_engine, "local_index_t" );
+        python_sample_uniform< signed_index_t >(
+            rand_engine, "signed_index_t" );
+        python_sample_uniform< float >( rand_engine, "float" );
+        python_sample_uniform< double >( rand_engine, "double" );
+    }
+} // namespace geode