Write field for any bad input

src/common_io.c

@@ -888,7 +888,8 @@ void io_check_output_fields(const struct swift_params* params,
 
 	  if (retParam != 0 && retParam != 1)
 	    message("WARNING: Unexpected input for %s. "
-		    "Received %i but expect 0 or 1", field_name, retParam);
+		    "Received %i but expect 0 or 1. "
+		    "We will write this field.", field_name, retParam);
           continue;
         }
       }
@@ -933,7 +934,7 @@ void io_write_output_field_parameter(const char* filename) {
 
     if (num_fields == 0) continue;
 
-    fprintf(file, "  # Particle Type %i\n", ptype);
+    fprintf(file, "  # Particle Type %s\n", part_type_names[ptype]);
     /* Write everything */
     for (int i = 0; i < num_fields; ++i) {
       fprintf(file, "  %s_%s: 1\n",

src/parallel_io.c

@@ -1268,7 +1268,7 @@ void write_output_parallel(struct engine* e, const char* baseName,
       char field[PARSER_MAX_LINE_SIZE];
       sprintf(field, "SelectOutput:%s_%s", list[i].name, part_type_names[ptype]);
       int should_write = parser_get_opt_param_int(params, field, 1);
-      if (should_write)
+      if (should_write != 0)
         writeArray(e, h_grp, fileName, partTypeGroupName, list[i], Nparticles,
                    N_total[ptype], mpi_rank, offset[ptype], internal_units,
                    snapshot_units);

src/serial_io.c

@@ -1012,7 +1012,7 @@ void write_output_serial(struct engine* e, const char* baseName,
           char field[PARSER_MAX_LINE_SIZE];
           sprintf(field, "SelectOutput:%s_%s", list[i].name, part_type_names[ptype]);
           int should_write = parser_get_opt_param_int(params, field, 1);
-          if (should_write)
+          if (should_write != 0)
             writeArray(e, h_grp, fileName, xmfFile, partTypeGroupName, list[i],
                        Nparticles, N_total[ptype], mpi_rank, offset[ptype],
                        internal_units, snapshot_units);

src/single_io.c

@@ -831,7 +831,7 @@ void write_output_single(struct engine* e, const char* baseName,
       char field[PARSER_MAX_LINE_SIZE];
       sprintf(field, "SelectOutput:%s_%s", list[i].name, part_type_names[ptype]);
       int should_write = parser_get_opt_param_int(params, field, 1);
-      if (should_write)
+      if (should_write != 0)
         writeArray(e, h_grp, fileName, xmfFile, partTypeGroupName, list[i], N,
                    internal_units, snapshot_units);
     }