Add new class `NamedComponentParticleContainer` (#3100)

* Add new class `NamedComponentParticleContainer`
* Update docstrings
* Fix compilation
* Address review comments
* Update Doxygen

Co-authored-by: Axel Huebl <axel.huebl@plasma.ninja>

1 files changed, 3 insertions, 12 deletions

diff --git a/Source/Particles/WarpXParticleContainer.cpp b/Source/Particles/WarpXParticleContainer.cpp
index ca9b99500..15b431394 100644
--- a/Source/Particles/WarpXParticleContainer.cpp
+++ b/Source/Particles/WarpXParticleContainer.cpp
@@ -81,21 +81,12 @@ WarpXParIter::WarpXParIter (ContainerType& pc, int level, MFItInfo& info)
 }
 
 WarpXParticleContainer::WarpXParticleContainer (AmrCore* amr_core, int ispecies)
-    : ParticleContainer<0,0,PIdx::nattribs>(amr_core->GetParGDB())
+    : NamedComponentParticleContainer<DefaultAllocator>(amr_core->GetParGDB())
     , species_id(ispecies)
 {
     SetParticleSize();
     ReadParameters();
 
-    // build up the map of string names to particle component numbers
-    particle_comps["w"]  = PIdx::w;
-    particle_comps["ux"] = PIdx::ux;
-    particle_comps["uy"] = PIdx::uy;
-    particle_comps["uz"] = PIdx::uz;
-#ifdef WARPX_DIM_RZ
-    particle_comps["theta"] = PIdx::theta;
-#endif
-
     // Initialize temporary local arrays for charge/current deposition
     int num_threads = 1;
 #ifdef AMREX_USE_OMP
@@ -783,8 +774,8 @@ Real WarpXParticleContainer::sumParticleCharge(bool local) {
         for (WarpXParIter pti(*this, lev); pti.isValid(); ++pti)
         {
             auto& wp = pti.GetAttribs(PIdx::w);
-            for (const auto& tt : wp) {
-                total_charge += tt;
+            for (unsigned long i = 0; i < wp.size(); i++) {
+                total_charge += wp[i];
             }
         }
     }