Split core.py into more files

python/lammps/constants.py

@@ -0,0 +1,49 @@
+# ----------------------------------------------------------------------
+#   LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
+#   http://lammps.sandia.gov, Sandia National Laboratories
+#   Steve Plimpton, sjplimp@sandia.gov
+#
+#   Copyright (2003) Sandia Corporation.  Under the terms of Contract
+#   DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
+#   certain rights in this software.  This software is distributed under
+#   the GNU General Public License.
+#
+#   See the README file in the top-level LAMMPS directory.
+# -------------------------------------------------------------------------
+
+from ctypes import c_int, c_int32, c_int64
+
+# various symbolic constants to be used
+# in certain calls to select data formats
+LAMMPS_AUTODETECT = None
+LAMMPS_INT    = 0
+LAMMPS_INT_2D  = 1
+LAMMPS_DOUBLE = 2
+LAMMPS_DOUBLE_2D = 3
+LAMMPS_INT64 = 4
+LAMMPS_INT64_2D = 5
+LAMMPS_STRING = 6
+
+# these must be kept in sync with the enums in library.h
+LMP_STYLE_GLOBAL = 0
+LMP_STYLE_ATOM   = 1
+LMP_STYLE_LOCAL  = 2
+
+LMP_TYPE_SCALAR  = 0
+LMP_TYPE_VECTOR  = 1
+LMP_TYPE_ARRAY   = 2
+LMP_SIZE_VECTOR  = 3
+LMP_SIZE_ROWS    = 4
+LMP_SIZE_COLS    = 5
+
+LMP_VAR_EQUAL = 0
+LMP_VAR_ATOM  = 1
+
+# -------------------------------------------------------------------------
+
+def get_ctypes_int(size):
+  if size == 4:
+    return c_int32
+  elif size == 8:
+    return c_int64
+  return c_int