feat(neutrino): Updated neutrino output

GridFire now reports neutrino loss for reaclib reactions. Note this
currently is only computed if precomputation is enabled.

src/extern/lib/gridfire_context.cpp

@@ -121,7 +121,10 @@ int GridFireContext::evolve(
     double* Y_out,
     double& energy_out,
     double& dEps_dT,
-    double& dEps_dRho, double& mass_lost
+    double& dEps_dRho,
+    double& specific_neutrino_energy_loss,
+    double& specific_neutrino_flux,
+    double& mass_lost
 ) {
     init_composition_from_abundance_vector(Y_in, num_species);
 
@@ -137,6 +140,8 @@ int GridFireContext::evolve(
     energy_out = result.energy;
     dEps_dT  = result.dEps_dT;
     dEps_dRho = result.dEps_dRho;
+    specific_neutrino_energy_loss = result.specific_neutrino_energy_loss;
+    specific_neutrino_flux = result.specific_neutrino_flux;
 
     std::set<fourdst::atomic::Species> seen_species;
     for (size_t i = 0; i < num_species; i++) {

src/extern/lib/gridfire_extern.cpp

@@ -86,7 +86,7 @@ extern "C" {
 
     int gf_evolve(
         void* ptr,
-        const double* Y,
+        const double* Y_in,
         const size_t num_species,
         const double T,
         const double rho,
@@ -95,12 +95,15 @@ extern "C" {
         double* Y_out,
         double* energy_out,
         double* dEps_dT,
-        double* dEps_dRho, double* mass_lost
+        double* dEps_dRho,
+        double* specific_neutrino_energy_loss,
+        double* specific_neutrino_flux,
+        double* mass_lost
     ) {
         auto* ctx = static_cast<GridFireContext*>(ptr);
         try {
             const int result = ctx->evolve(
-                Y,
+                Y_in,
                 num_species,
                 T,
                 rho,
@@ -109,7 +112,10 @@ extern "C" {
                 Y_out,
                 *energy_out,
                 *dEps_dT,
-                *dEps_dRho, *mass_lost
+                *dEps_dRho,
+                *specific_neutrino_energy_loss,
+                *specific_neutrino_flux,
+                *mass_lost
             );
             if (result != 0) {
                 return result;