update documentation for USER-MEAMC package and pair style meam/c

doc/src/Section_commands.txt

@@ -1039,6 +1039,7 @@ package"_Section_start.html#start_3.
 "lj/sdk/coul/long (go)"_pair_sdk.html,
 "lj/sdk/coul/msm (o)"_pair_sdk.html,
 "lj/sf (o)"_pair_lj_sf.html,
+"meam/c"_pair_meam.html,
 "meam/spline (o)"_pair_meam_spline.html,
 "meam/sw/spline"_pair_meam_sw_spline.html,
 "mgpt"_pair_mgpt.html,

doc/src/Section_packages.txt

@@ -121,6 +121,7 @@ Package, Description, Doc page, Example, Library
 "USER-INTEL"_#USER-INTEL, optimized Intel CPU and KNL styles,"Section 5.3.2"_accelerate_intel.html, WWW bench, -
 "USER-LB"_#USER-LB, Lattice Boltzmann fluid,"fix lb/fluid"_fix_lb_fluid.html, USER/lb, -
 "USER-MANIFOLD"_#USER-MANIFOLD, motion on 2d surfaces,"fix manifoldforce"_fix_manifoldforce.html, USER/manifold, -
+"USER-MEAMC"_#USER-MEAMC, modified EAM potential (C++), "pair_style meam/c"_pair_meam.html, meam, -
 "USER-MGPT"_#USER-MGPT, fast MGPT multi-ion potentials, "pair_style mgpt"_pair_mgpt.html, USER/mgpt, -
 "USER-MISC"_#USER-MISC, single-file contributions, USER-MISC/README, USER/misc, -
 "USER-MOLFILE"_#USER-MOLFILE, "VMD"_vmd_home molfile plug-ins,"dump molfile"_dump_molfile.html, -, ext
@@ -2051,6 +2052,36 @@ http://lammps.sandia.gov/movies.html#manifold :ul
 
 :line
 
+USER-MEAMC package :link(USER-MEAMC),h4
+
+[Contents:]
+
+A pair style for the modified embedded atom (MEAM) potential
+translated from the Fortran version in the "MEAM"_MEAM package
+to plain C++. In contrast to the MEAM package, no library
+needs to be compiled and the pair style can be instantiated
+multiple times.
+
+[Author:]  Sebastian Huetter, (Otto-von-Guericke University Magdeburg)
+based on the work of Greg Wagner (Northwestern U) while at Sandia.
+
+[Install or un-install:]
+  
+make yes-user-meamc
+make machine :pre
+ 
+make no-user-meamc
+make machine :pre
+ 
+[Supporting info:]
+
+src/USER-MEAMC: filenames -> commands
+src/USER-MEAMC/README
+"pair meam/c"_pair_meam.html
+examples/meam :ul
+
+:line
+
 USER-MOLFILE package :link(USER-MOLFILE),h4
 
 [Contents:]

doc/src/pair_meam.txt

@@ -7,10 +7,13 @@
 :line
 
 pair_style meam command :h3
+pair_style meam/c command :h3
 
 [Syntax:]
 
-pair_style meam :pre
+pair_style style :pre
+
+style = {meam} or {meam/c}
 
 [Examples:]
 
@@ -30,7 +33,8 @@ using modified embedded-atom method (MEAM) potentials
 "EAM potentials"_pair_eam.html which adds angular forces.  It is
 thus suitable for modeling metals and alloys with fcc, bcc, hcp and
 diamond cubic structures, as well as covalently bonded materials like
-silicon and carbon.
+silicon and carbon. Style {meam/c} is a translation of the {meam} code
+from (mostly) Fortran to C++. It is functionally equivalent to {meam}.
 
 In the MEAM formulation, the total energy E of a system of atoms is
 given by:
@@ -331,10 +335,14 @@ This pair style can only be used via the {pair} keyword of the
 
 [Restrictions:]
 
-This style is part of the MEAM package.  It is only enabled if LAMMPS
+The {meam} style is part of the MEAM package.  It is only enabled if LAMMPS
 was built with that package, which also requires the MEAM library be
-built and linked with LAMMPS.  See the "Making
-LAMMPS"_Section_start.html#start_3 section for more info.
+built and linked with LAMMPS.
+The {meam/c} style is provided in the USER-MEAMC package. It is only enabled
+if LAMMPS was built with that package. In contrast to the {meam} style,
+{meam/c} does not require a separate library to be compiled and it can be
+instantiated multiple times in a "hybrid"_pair_hybrid.html pair style.
+See the "Making LAMMPS"_Section_start.html#start_3 section for more info.
 
 [Related commands:]
 

src/.gitignore

@@ -31,6 +31,11 @@
 /fix_*manifold*.cpp
 /fix_*manifold*.h
 
+/meam*.h
+/meam*.cpp
+/pair_meamc.cpp
+/pair_meamc.h
+
 /fix_qeq*.cpp
 /fix_qeq*.h