feat(GridFire): major design changes

Switching to an Engine + solver design. Also brought xxHash and Eigen in. Working on QSE and Culling.

tests/graphnet_sandbox/main.cpp

@@ -0,0 +1,48 @@
+#define QUILL_COMPILE_ACTIVE_LOG_LEVEL QUILL_COMPILE_ACTIVE_LOG_LEVEL_DEBUG
+#include <iostream>
+#include "../../src/network/include/gridfire/engine/engine_graph.h"
+#include "gridfire/network.h"
+#include "../../src/network/include/gridfire/engine/engine_approx8.h"
+#include "../../src/network/include/gridfire/solver/solver.h"
+
+#include "fourdst/composition/composition.h"
+
+int main() {
+    using namespace gridfire;
+    // reaction::REACLIBLogicalReactionSet reactions = build_reaclib_nuclear_network_from_file("approx8", false);
+    // GraphNetwork network(reactions);
+    const std::vector<double> comp = {0.708, 0.0, 2.94e-5, 0.276, 0.003, 0.0011, 9.62e-3, 1.62e-3, 5.16e-4};
+    const std::vector<std::string> symbols = {"H-1", "H-2", "He-3", "He-4", "C-12", "N-14", "O-16", "Ne-20", "Mg-24"};
+
+    fourdst::composition::Composition composition;
+    composition.registerSymbol(symbols, true);
+    composition.setMassFraction(symbols, comp);
+    composition.finalize(true);
+
+
+    NetIn netIn;
+    netIn.composition = composition;
+    netIn.temperature = 1e7;
+    netIn.density = 1e2;
+    netIn.energy = 0.0;
+
+    netIn.tMax = 3.15e17;
+    netIn.dt0 = 1e12;
+
+    NetOut netOut;
+    approx8::Approx8Network approx8Network;
+    netOut = approx8Network.evaluate(netIn);
+    std::cout << "Approx8 Network Output: " << netOut << std::endl;
+
+    // // Network Ignition
+    netIn.dt0 = 1e-15;
+    // netIn.temperature = 2.0e8;
+    // netIn.density = 1.0e6;
+    // netIn.tMax = 1e-1;
+
+    GraphEngine ReaclibEngine(composition);
+    // netOut = network.evaluate(netIn);
+    solver::QSENetworkSolver solver(ReaclibEngine);
+    netOut = solver.evaluate(netIn);
+    std::cout << "QSE Graph Network Output: " << netOut << std::endl;
+}

tests/graphnet_sandbox/meson.build

@@ -0,0 +1,5 @@
+executable(
+    'graphnet_sandbox',
+    'main.cpp',
+    dependencies: [network_dep, composition_dep],
+)

tests/meson.build

@@ -5,3 +5,4 @@ gtest_nomain_dep = dependency('gtest', main: false, required : true)
 
 # Subdirectories for unit and integration tests
 subdir('network')
+subdir('graphnet_sandbox')

tests/network/approx8Test.cpp

@@ -3,10 +3,9 @@
 
 #include "fourdst/composition/composition.h"
 #include "fourdst/config/config.h"
-#include "gridfire/approx8.h"
-#include "gridfire/netgraph.h"
+#include "../../src/network/include/gridfire/engine/engine_approx8.h"
+#include "../../src/network/include/gridfire/engine/engine_graph.h"
 #include "gridfire/network.h"
-#include "gridfire/reaclib.h"
 
 #include <vector>
 
@@ -86,7 +85,7 @@ TEST_F(approx8Test, reaclib) {
     netIn.tMax = 3.15e17;
     netIn.dt0 = 1e12;
 
-    GraphNetwork network(composition);
+    GraphEngine network(composition);
     NetOut netOut;
     netOut = network.evaluate(netIn);
     std::cout << netOut << std::endl;