Add fixed_types to kim_init & split to kim_query

examples/kim/in.query

@@ -4,8 +4,9 @@
 # lattice constant for a specific test used for a specific model and then
 # assigns it to the variable 'latconst'
 
-units metal
+kim_init EAM_CubicNaturalSpline_ErcolessiAdams_1994_Al__MO_800509458712_002 metal
 info variables out log
-kim_query latconst get_test_result test=TE_156715955670 species=["Al"] model=MO_800509458712 prop=structure-cubic-crystal-npt keys=["a"] units=["angstrom"]
+kim_query latconst split get_test_result test=TE_156715955670 species=["Al"] prop=structure-cubic-crystal-npt keys=["a","a"] units=["angstrom","angstrom"]
 info variables out log
-lattice fcc ${latconst}
+lattice fcc ${latconst_1}
+lattice fcc ${latconst_2}

src/KIM/kim_interactions.cpp

@@ -115,8 +115,16 @@ void KimInteractions::kim_interactions_log_delimiter(
 
 void KimInteractions::do_setup(int narg, char **arg)
 {
-  if (narg != atom->ntypes)
+  bool fixed_types;
+  if ((narg == 1) && (0 == strcmp("fixed_types",arg[0]))) {
+    fixed_types = true;
+  }
+  else if (narg != atom->ntypes) {
     error->all(FLERR,"Illegal kim_interactions command");
+  }
+  else {
+    fixed_types = false;
+  }
 
   char *model_name = NULL;
   KIM_SimulatorModel *simulatorModel(NULL);
@@ -137,6 +145,7 @@ void KimInteractions::do_setup(int narg, char **arg)
 
   if (simulatorModel) {
 
+    if (!fixed_types) {
       std::string delimiter("");
       std::string atom_type_sym_list;
       std::string atom_type_num_list;
@@ -184,6 +193,11 @@ void KimInteractions::do_setup(int narg, char **arg)
         strword = strtok(NULL," \t");
       }
       delete[] strbuf;
+    }
+    else
+    {
+      KIM_SimulatorModel_CloseTemplateMap(simulatorModel);
+    }
 
     // check if units are unchanged
 
@@ -223,6 +237,10 @@ void KimInteractions::do_setup(int narg, char **arg)
   } else {
 
     // not a simulator model. issue pair_style and pair_coeff commands.
+
+    if (fixed_types)
+      error->all(FLERR,"fixed_types cannot be used with a KIM Portable Model");
+
     // NOTE: all references to arg must appear before calls to input->one()
     // as that will reset the argument vector.
 

src/KIM/kim_query.cpp

@@ -57,6 +57,7 @@
 #include <mpi.h>
 #include <cstring>
 #include <string>
+#include <sstream>
 #include "kim_query.h"
 #include "comm.h"
 #include "error.h"
@@ -104,6 +105,13 @@ void KimQuery::command(int narg, char **arg)
 
 
   varname = arg[0];
+  bool split = false;
+  if (0 == strcmp("split",arg[1])) {
+    if (narg == 2) error->all(FLERR,"Illegal kim_query command");
+    split = true;
+    arg++;
+    narg--;
+  }
   function = arg[1];
 
 #if defined(LMP_KIM_CURL)
@@ -123,11 +131,27 @@ void KimQuery::command(int narg, char **arg)
   }
 
   char **varcmd = new char*[3];
+  if (split) {
+    int counter = 1;
+    std::stringstream ss(value);
+    std::string token;
+    varcmd[1] = (char *) "string";
+
+    while(std::getline(ss, token, ',')) {
+      std::stringstream splitname;
+      splitname << varname << "_" << counter++;
+      varcmd[0] = const_cast<char *>(splitname.str().c_str());
+      varcmd[2] = const_cast<char *>(token.c_str());
+      input->variable->set(3,varcmd);
+    }
+  }
+  else {
     varcmd[0] = varname;
     varcmd[1] = (char *) "string";
     varcmd[2] = value;
 
     input->variable->set(3,varcmd);
+  }
 
   delete[] varcmd;
   delete[] value;