Support writing particles with ADIOS2

src/include/fields3d.inl

@@ -3,6 +3,7 @@
 
 #include "io_common.h"
 #include "kg/io.h"
+#include "fields3d.hxx"
 
 // ======================================================================
 // Variable<Mfields>

src/include/output_fields.hxx

@@ -184,9 +184,8 @@ public:
       prof_stop(pr_eval);
 
       if (do_pfield) {
-        if (!opened_io_pfd_) {
+        if (!io_pfd_) {
           io_pfd_.open("pfd" + GetItem::suffix(), pfield.data_dir);
-          opened_io_pfd_ = true;
         }
 
         prof_start(pr_pfd);
@@ -209,9 +208,8 @@ public:
       }
 
       if (do_tfield) {
-        if (!opened_io_tfd_) {
+        if (!io_tfd_) {
           io_tfd_.open("tfd" + GetItem::suffix(), tfield.data_dir);
-          opened_io_tfd_ = true;
         }
 
         prof_start(pr_tfd);
@@ -236,8 +234,6 @@ public:
 private:
   Writer io_pfd_;
   Writer io_tfd_;
-  bool opened_io_pfd_ = false;
-  bool opened_io_tfd_ = false;
   std::unique_ptr<Mfields> tfd_;
   int naccum_ = 0;
 };

src/include/output_particles.hxx

@@ -5,14 +5,14 @@
 
 struct OutputParticlesParams
 {
-  const char* data_dir;
-  const char* basename;
+  const char* data_dir = ".";
+  const char* basename = "prt";
   int every_step;
   Int3 lo;
   Int3 hi;
   bool use_independent_io;
-  const char* romio_cb_write;
-  const char* romio_ds_write;
+  const char* romio_cb_write = nullptr;
+  const char* romio_ds_write = nullptr;
 };
 
 // ======================================================================