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fix_ave_histo_weight.cpp
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Tue, Oct 8, 12:33
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text/x-c
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Thu, Oct 10, 12:33 (2 d)
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blob
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rLAMMPS lammps
fix_ave_histo_weight.cpp
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/* ----------------------------------------------------------------------
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.
------------------------------------------------------------------------- */
/* ----------------------------------------------------------------------
Contributing author: Shawn Coleman (ARL)
------------------------------------------------------------------------- */
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "fix_ave_histo_weight.h"
#include "atom.h"
#include "update.h"
#include "modify.h"
#include "compute.h"
#include "group.h"
#include "input.h"
#include "variable.h"
#include "memory.h"
#include "error.h"
#include "force.h"
using
namespace
LAMMPS_NS
;
using
namespace
FixConst
;
enum
{
X
,
V
,
F
,
COMPUTE
,
FIX
,
VARIABLE
};
enum
{
ONE
,
RUNNING
};
enum
{
SCALAR
,
VECTOR
,
WINDOW
};
enum
{
GLOBAL
,
PERATOM
,
LOCAL
};
enum
{
IGNORE
,
END
,
EXTRA
};
enum
{
SINGLE
,
VALUE
};
#define INVOKED_SCALAR 1
#define INVOKED_VECTOR 2
#define INVOKED_ARRAY 4
#define INVOKED_PERATOM 8
#define INVOKED_LOCAL 16
#define BIG 1.0e20
/* ---------------------------------------------------------------------- */
FixAveHistoWeight
::
FixAveHistoWeight
(
LAMMPS
*
lmp
,
int
narg
,
char
**
arg
)
:
FixAveHisto
(
lmp
,
narg
,
arg
)
{
// nvalues = 2 required for histo/weight
if
(
nvalues
!=
2
)
error
->
all
(
FLERR
,
"Illegal fix ave/histo/weight command"
);
// check that length of 2 values is the same
int
size
[
2
];
for
(
int
i
=
0
;
i
<
nvalues
;
i
++
)
{
if
(
which
[
i
]
==
X
||
which
[
i
]
==
V
||
which
[
i
]
==
F
)
{
size
[
i
]
=
atom
->
nlocal
;
}
else
if
(
which
[
i
]
==
COMPUTE
&&
kind
==
GLOBAL
&&
mode
==
SCALAR
)
{
int
icompute
=
modify
->
find_compute
(
ids
[
i
]);
size
[
i
]
=
modify
->
compute
[
icompute
]
->
size_vector
;
}
else
if
(
which
[
i
]
==
COMPUTE
&&
kind
==
GLOBAL
&&
mode
==
VECTOR
)
{
int
icompute
=
modify
->
find_compute
(
ids
[
i
]);
size
[
i
]
=
modify
->
compute
[
icompute
]
->
size_array_rows
;
}
else
if
(
which
[
i
]
==
COMPUTE
&&
kind
==
PERATOM
)
{
size
[
i
]
=
atom
->
nlocal
;
}
else
if
(
which
[
i
]
==
COMPUTE
&&
kind
==
LOCAL
)
{
int
icompute
=
modify
->
find_compute
(
ids
[
i
]);
size
[
i
]
=
modify
->
compute
[
icompute
]
->
size_local_rows
;
}
else
if
(
which
[
i
]
==
FIX
&&
kind
==
GLOBAL
&&
mode
==
SCALAR
)
{
int
ifix
=
modify
->
find_fix
(
ids
[
i
]);
size
[
i
]
=
modify
->
fix
[
ifix
]
->
size_vector
;
}
else
if
(
which
[
i
]
==
FIX
&&
kind
==
GLOBAL
&&
mode
==
VECTOR
)
{
int
ifix
=
modify
->
find_fix
(
ids
[
i
]);
size
[
i
]
=
modify
->
fix
[
ifix
]
->
size_array_rows
;
}
else
if
(
which
[
i
]
==
FIX
&&
kind
==
PERATOM
)
{
size
[
i
]
=
atom
->
nlocal
;
}
else
if
(
which
[
i
]
==
FIX
&&
kind
==
LOCAL
)
{
int
ifix
=
modify
->
find_fix
(
ids
[
i
]);
size
[
i
]
=
modify
->
fix
[
ifix
]
->
size_local_rows
;
}
else
if
(
which
[
i
]
==
VARIABLE
&&
kind
==
PERATOM
)
{
size
[
i
]
=
atom
->
nlocal
;
}
}
if
(
size
[
0
]
!=
size
[
1
])
error
->
all
(
FLERR
,
"Fix ave/histo/weight value and weight vector "
"lengths do not match"
);
}
/* ---------------------------------------------------------------------- */
void
FixAveHistoWeight
::
end_of_step
()
{
int
i
,
j
,
m
;
// skip if not step which requires doing something
// error check if timestep was reset in an invalid manner
bigint
ntimestep
=
update
->
ntimestep
;
if
(
ntimestep
<
nvalid_last
||
ntimestep
>
nvalid
)
error
->
all
(
FLERR
,
"Invalid timestep reset for fix ave/histo"
);
if
(
ntimestep
!=
nvalid
)
return
;
nvalid_last
=
nvalid
;
// zero if first step
if
(
irepeat
==
0
)
{
stats
[
0
]
=
stats
[
1
]
=
0.0
;
stats
[
2
]
=
BIG
;
stats
[
3
]
=
-
BIG
;
for
(
i
=
0
;
i
<
nbins
;
i
++
)
bin
[
i
]
=
0.0
;
}
// first calculate weight factors, then bin single value
// accumulate results of computes,fixes,variables to local copy
// compute/fix/variable may invoke computes so wrap with clear/add
modify
->
clearstep_compute
();
// calcualte weight factors which are 2nd value (i = 1)
double
weight
=
0.0
;
double
*
weights
=
NULL
;
int
stride
=
0
;
i
=
1
;
m
=
value2index
[
i
];
j
=
argindex
[
i
];
// atom attributes
if
(
which
[
i
]
==
X
)
{
weights
=
&
atom
->
x
[
0
][
j
];
stride
=
3
;
}
else
if
(
which
[
i
]
==
V
){
weights
=
&
atom
->
v
[
0
][
j
];
stride
=
3
;
bin_atoms
(
&
atom
->
v
[
0
][
j
],
3
);
}
else
if
(
which
[
i
]
==
F
)
{
weights
=
&
atom
->
f
[
0
][
j
];
stride
=
3
;
}
// invoke compute if not previously invoked
if
(
which
[
i
]
==
COMPUTE
)
{
Compute
*
compute
=
modify
->
compute
[
m
];
if
(
kind
==
GLOBAL
&&
mode
==
SCALAR
)
{
if
(
j
==
0
)
{
if
(
!
(
compute
->
invoked_flag
&
INVOKED_SCALAR
))
{
compute
->
compute_scalar
();
compute
->
invoked_flag
|=
INVOKED_SCALAR
;
}
weight
=
compute
->
scalar
;
}
else
{
if
(
!
(
compute
->
invoked_flag
&
INVOKED_VECTOR
))
{
compute
->
compute_vector
();
compute
->
invoked_flag
|=
INVOKED_VECTOR
;
}
weight
=
compute
->
vector
[
j
-
1
];
}
}
else
if
(
kind
==
GLOBAL
&&
mode
==
VECTOR
)
{
if
(
j
==
0
)
{
if
(
!
(
compute
->
invoked_flag
&
INVOKED_VECTOR
))
{
compute
->
compute_vector
();
compute
->
invoked_flag
|=
INVOKED_VECTOR
;
}
weights
=
compute
->
vector
;
stride
=
1
;
}
else
{
if
(
!
(
compute
->
invoked_flag
&
INVOKED_ARRAY
))
{
compute
->
compute_array
();
compute
->
invoked_flag
|=
INVOKED_ARRAY
;
}
if
(
compute
->
array
)
weights
=
&
compute
->
array
[
0
][
j
-
1
];
stride
=
compute
->
size_array_cols
;
}
}
else
if
(
kind
==
PERATOM
)
{
if
(
!
(
compute
->
invoked_flag
&
INVOKED_PERATOM
))
{
compute
->
compute_peratom
();
compute
->
invoked_flag
|=
INVOKED_PERATOM
;
}
if
(
j
==
0
)
{
weights
=
compute
->
vector_atom
;
stride
=
1
;
}
else
if
(
compute
->
array_atom
)
{
weights
=
&
compute
->
array_atom
[
0
][
j
-
1
];
stride
=
compute
->
size_peratom_cols
;
}
}
else
if
(
kind
==
LOCAL
)
{
if
(
!
(
compute
->
invoked_flag
&
INVOKED_LOCAL
))
{
compute
->
compute_local
();
compute
->
invoked_flag
|=
INVOKED_LOCAL
;
}
if
(
j
==
0
)
{
weights
=
compute
->
vector_local
;
stride
=
1
;
}
else
if
(
compute
->
array_local
)
{
weights
=
&
compute
->
array_local
[
0
][
j
-
1
];
stride
=
compute
->
size_local_cols
;
}
}
// access fix fields, guaranteed to be ready
}
else
if
(
which
[
i
]
==
FIX
)
{
Fix
*
fix
=
modify
->
fix
[
m
];
if
(
kind
==
GLOBAL
&&
mode
==
SCALAR
)
{
if
(
j
==
0
)
weight
=
fix
->
compute_scalar
();
else
weight
=
fix
->
compute_vector
(
j
-
1
);
}
else
if
(
kind
==
GLOBAL
&&
mode
==
VECTOR
)
{
error
->
all
(
FLERR
,
"Illegal fix ave/spatial command"
);
if
(
j
==
0
)
{
int
n
=
fix
->
size_vector
;
for
(
i
=
0
;
i
<
n
;
i
++
)
weights
[
n
]
=
fix
->
compute_vector
(
i
);
}
else
{
int
n
=
fix
->
size_vector
;
for
(
i
=
0
;
i
<
n
;
i
++
)
weights
[
n
]
=
fix
->
compute_array
(
i
,
j
-
1
);
}
}
else
if
(
kind
==
PERATOM
)
{
if
(
j
==
0
)
{
weights
=
fix
->
vector_atom
;
stride
=
1
;
}
else
if
(
fix
->
array_atom
)
{
weights
=
fix
->
array_atom
[
j
-
1
];
stride
=
fix
->
size_peratom_cols
;
}
}
else
if
(
kind
==
LOCAL
)
{
if
(
j
==
0
)
{
weights
=
fix
->
vector_local
;
stride
=
1
;
}
else
if
(
fix
->
array_local
)
{
weights
=
&
fix
->
array_local
[
0
][
j
-
1
];
stride
=
fix
->
size_local_cols
;
}
}
// evaluate equal-style variable
}
else
if
(
which
[
i
]
==
VARIABLE
&&
kind
==
GLOBAL
)
{
weight
=
input
->
variable
->
compute_equal
(
m
);
}
else
if
(
which
[
i
]
==
VARIABLE
&&
kind
==
PERATOM
)
{
if
(
atom
->
nlocal
>
maxatom
)
{
memory
->
destroy
(
vector
);
maxatom
=
atom
->
nmax
;
memory
->
create
(
vector
,
maxatom
,
"ave/histo/weight:vector"
);
}
input
->
variable
->
compute_atom
(
m
,
igroup
,
vector
,
1
,
0
);
weights
=
vector
;
stride
=
1
;
}
// bin values using weights, values are 1st value (i = 0)
i
=
0
;
m
=
value2index
[
i
];
j
=
argindex
[
i
];
// atom attributes
if
(
which
[
i
]
==
X
&&
weights
!=
NULL
)
bin_atoms_weights
(
&
atom
->
x
[
0
][
j
],
3
,
weights
,
stride
);
else
if
(
which
[
i
]
==
V
&&
weights
!=
NULL
)
bin_atoms_weights
(
&
atom
->
v
[
0
][
j
],
3
,
weights
,
stride
);
else
if
(
which
[
i
]
==
F
&&
weights
!=
NULL
)
bin_atoms_weights
(
&
atom
->
f
[
0
][
j
],
3
,
weights
,
stride
);
// invoke compute if not previously invoked
if
(
which
[
i
]
==
COMPUTE
)
{
Compute
*
compute
=
modify
->
compute
[
m
];
if
(
kind
==
GLOBAL
&&
mode
==
SCALAR
)
{
if
(
j
==
0
)
{
if
(
!
(
compute
->
invoked_flag
&
INVOKED_SCALAR
))
{
compute
->
compute_scalar
();
compute
->
invoked_flag
|=
INVOKED_SCALAR
;
}
bin_one_weights
(
compute
->
scalar
,
weight
);
}
else
{
if
(
!
(
compute
->
invoked_flag
&
INVOKED_VECTOR
))
{
compute
->
compute_vector
();
compute
->
invoked_flag
|=
INVOKED_VECTOR
;
}
bin_one_weights
(
compute
->
vector
[
j
-
1
],
weight
);
}
}
else
if
(
kind
==
GLOBAL
&&
mode
==
VECTOR
)
{
if
(
j
==
0
)
{
if
(
!
(
compute
->
invoked_flag
&
INVOKED_VECTOR
))
{
compute
->
compute_vector
();
compute
->
invoked_flag
|=
INVOKED_VECTOR
;
}
bin_vector_weights
(
compute
->
size_vector
,
compute
->
vector
,
1
,
weights
,
stride
);
}
else
{
if
(
!
(
compute
->
invoked_flag
&
INVOKED_ARRAY
))
{
compute
->
compute_array
();
compute
->
invoked_flag
|=
INVOKED_ARRAY
;
}
if
(
compute
->
array
)
bin_vector_weights
(
compute
->
size_array_rows
,
&
compute
->
array
[
0
][
j
-
1
],
compute
->
size_array_cols
,
weights
,
stride
);
}
}
else
if
(
kind
==
PERATOM
)
{
if
(
!
(
compute
->
invoked_flag
&
INVOKED_PERATOM
))
{
compute
->
compute_peratom
();
compute
->
invoked_flag
|=
INVOKED_PERATOM
;
}
if
(
j
==
0
)
bin_atoms_weights
(
compute
->
vector_atom
,
1
,
weights
,
stride
);
else
if
(
compute
->
array_atom
)
bin_atoms_weights
(
&
compute
->
array_atom
[
0
][
j
-
1
],
compute
->
size_peratom_cols
,
weights
,
stride
);
}
else
if
(
kind
==
LOCAL
)
{
if
(
!
(
compute
->
invoked_flag
&
INVOKED_LOCAL
))
{
compute
->
compute_local
();
compute
->
invoked_flag
|=
INVOKED_LOCAL
;
}
if
(
j
==
0
)
bin_vector_weights
(
compute
->
size_local_rows
,
compute
->
vector_local
,
1
,
weights
,
stride
);
else
if
(
compute
->
array_local
)
bin_vector_weights
(
compute
->
size_local_rows
,
&
compute
->
array_local
[
0
][
j
-
1
],
compute
->
size_local_cols
,
weights
,
stride
);
}
// access fix fields, guaranteed to be ready
}
else
if
(
which
[
i
]
==
FIX
)
{
Fix
*
fix
=
modify
->
fix
[
m
];
if
(
kind
==
GLOBAL
&&
mode
==
SCALAR
)
{
if
(
j
==
0
)
bin_one_weights
(
fix
->
compute_scalar
(),
weight
);
else
bin_one_weights
(
fix
->
compute_vector
(
j
-
1
),
weight
);
}
else
if
(
kind
==
GLOBAL
&&
mode
==
VECTOR
)
{
if
(
j
==
0
)
{
int
n
=
fix
->
size_vector
;
for
(
i
=
0
;
i
<
n
;
i
++
)
bin_one_weights
(
fix
->
compute_vector
(
i
),
weights
[
i
*
stride
]);
}
else
{
int
n
=
fix
->
size_vector
;
for
(
i
=
0
;
i
<
n
;
i
++
)
bin_one_weights
(
fix
->
compute_array
(
i
,
j
-
1
),
weights
[
i
*
stride
]);
}
}
else
if
(
kind
==
PERATOM
)
{
if
(
j
==
0
)
bin_atoms_weights
(
fix
->
vector_atom
,
1
,
weights
,
stride
);
else
if
(
fix
->
array_atom
)
bin_atoms_weights
(
fix
->
array_atom
[
j
-
1
],
fix
->
size_peratom_cols
,
weights
,
stride
);
}
else
if
(
kind
==
LOCAL
)
{
if
(
j
==
0
)
bin_vector_weights
(
fix
->
size_local_rows
,
fix
->
vector_local
,
1
,
weights
,
stride
);
else
if
(
fix
->
array_local
)
bin_vector_weights
(
fix
->
size_local_rows
,
&
fix
->
array_local
[
0
][
j
-
1
],
fix
->
size_local_cols
,
weights
,
stride
);
}
// evaluate equal-style variable
}
else
if
(
which
[
i
]
==
VARIABLE
&&
kind
==
GLOBAL
)
{
bin_one_weights
(
input
->
variable
->
compute_equal
(
m
),
weight
);
}
else
if
(
which
[
i
]
==
VARIABLE
&&
kind
==
PERATOM
)
{
if
(
atom
->
nlocal
>
maxatom
)
{
memory
->
destroy
(
vector
);
maxatom
=
atom
->
nmax
;
memory
->
create
(
vector
,
maxatom
,
"ave/histo/weight:vector"
);
}
input
->
variable
->
compute_atom
(
m
,
igroup
,
vector
,
1
,
0
);
bin_atoms_weights
(
vector
,
1
,
weights
,
stride
);
}
// code beyond this point is identical to FixAveHisto
// done if irepeat < nrepeat
// else reset irepeat and nvalid
irepeat
++
;
if
(
irepeat
<
nrepeat
)
{
nvalid
+=
nevery
;
modify
->
addstep_compute
(
nvalid
);
return
;
}
irepeat
=
0
;
nvalid
=
ntimestep
+
nfreq
-
(
nrepeat
-
1
)
*
nevery
;
modify
->
addstep_compute
(
nvalid
);
// merge histogram stats across procs if necessary
if
(
kind
==
PERATOM
||
kind
==
LOCAL
)
{
MPI_Allreduce
(
stats
,
stats_all
,
2
,
MPI_DOUBLE
,
MPI_SUM
,
world
);
MPI_Allreduce
(
&
stats
[
2
],
&
stats_all
[
2
],
1
,
MPI_DOUBLE
,
MPI_MIN
,
world
);
MPI_Allreduce
(
&
stats
[
3
],
&
stats_all
[
3
],
1
,
MPI_DOUBLE
,
MPI_MAX
,
world
);
MPI_Allreduce
(
bin
,
bin_all
,
nbins
,
MPI_DOUBLE
,
MPI_SUM
,
world
);
stats
[
0
]
=
stats_all
[
0
];
stats
[
1
]
=
stats_all
[
1
];
stats
[
2
]
=
stats_all
[
2
];
stats
[
3
]
=
stats_all
[
3
];
for
(
i
=
0
;
i
<
nbins
;
i
++
)
bin
[
i
]
=
bin_all
[
i
];
}
// if ave = ONE, only single Nfreq timestep value is needed
// if ave = RUNNING, combine with all previous Nfreq timestep values
// if ave = WINDOW, combine with nwindow most recent Nfreq timestep values
if
(
ave
==
ONE
)
{
stats_total
[
0
]
=
stats
[
0
];
stats_total
[
1
]
=
stats
[
1
];
stats_total
[
2
]
=
stats
[
2
];
stats_total
[
3
]
=
stats
[
3
];
for
(
i
=
0
;
i
<
nbins
;
i
++
)
bin_total
[
i
]
=
bin
[
i
];
}
else
if
(
ave
==
RUNNING
)
{
stats_total
[
0
]
+=
stats
[
0
];
stats_total
[
1
]
+=
stats
[
1
];
stats_total
[
2
]
=
MIN
(
stats_total
[
2
],
stats
[
2
]);
stats_total
[
3
]
=
MAX
(
stats_total
[
3
],
stats
[
3
]);
for
(
i
=
0
;
i
<
nbins
;
i
++
)
bin_total
[
i
]
+=
bin
[
i
];
}
else
if
(
ave
==
WINDOW
)
{
stats_total
[
0
]
+=
stats
[
0
];
if
(
window_limit
)
stats_total
[
0
]
-=
stats_list
[
iwindow
][
0
];
stats_list
[
iwindow
][
0
]
=
stats
[
0
];
stats_total
[
1
]
+=
stats
[
1
];
if
(
window_limit
)
stats_total
[
1
]
-=
stats_list
[
iwindow
][
1
];
stats_list
[
iwindow
][
1
]
=
stats
[
1
];
if
(
window_limit
)
m
=
nwindow
;
else
m
=
iwindow
+
1
;
stats_list
[
iwindow
][
2
]
=
stats
[
2
];
stats_total
[
2
]
=
stats_list
[
0
][
2
];
for
(
i
=
1
;
i
<
m
;
i
++
)
stats_total
[
2
]
=
MIN
(
stats_total
[
2
],
stats_list
[
i
][
2
]);
stats_list
[
iwindow
][
3
]
=
stats
[
3
];
stats_total
[
3
]
=
stats_list
[
0
][
3
];
for
(
i
=
1
;
i
<
m
;
i
++
)
stats_total
[
3
]
=
MAX
(
stats_total
[
3
],
stats_list
[
i
][
3
]);
for
(
i
=
0
;
i
<
nbins
;
i
++
)
{
bin_total
[
i
]
+=
bin
[
i
];
if
(
window_limit
)
bin_total
[
i
]
-=
bin_list
[
iwindow
][
i
];
bin_list
[
iwindow
][
i
]
=
bin
[
i
];
}
iwindow
++
;
if
(
iwindow
==
nwindow
)
{
iwindow
=
0
;
window_limit
=
1
;
}
}
// output result to file
if
(
fp
&&
me
==
0
)
{
clearerr
(
fp
);
if
(
overwrite
)
fseek
(
fp
,
filepos
,
SEEK_SET
);
fprintf
(
fp
,
BIGINT_FORMAT
" %d %g %g %g %g
\n
"
,
ntimestep
,
nbins
,
stats_total
[
0
],
stats_total
[
1
],
stats_total
[
2
],
stats_total
[
3
]);
if
(
stats_total
[
0
]
!=
0.0
)
for
(
i
=
0
;
i
<
nbins
;
i
++
)
fprintf
(
fp
,
"%d %g %g %g
\n
"
,
i
+
1
,
coord
[
i
],
bin_total
[
i
],
bin_total
[
i
]
/
stats_total
[
0
]);
else
for
(
i
=
0
;
i
<
nbins
;
i
++
)
fprintf
(
fp
,
"%d %g %g %g
\n
"
,
i
+
1
,
coord
[
i
],
0.0
,
0.0
);
if
(
ferror
(
fp
))
error
->
one
(
FLERR
,
"Error writing out histogram data"
);
fflush
(
fp
);
if
(
overwrite
)
{
long
fileend
=
ftell
(
fp
);
if
(
fileend
>
0
)
ftruncate
(
fileno
(
fp
),
fileend
);
}
}
}
/* ----------------------------------------------------------------------
bin a single value with weight)
------------------------------------------------------------------------- */
void
FixAveHistoWeight
::
bin_one_weights
(
double
value
,
double
weight
)
{
stats
[
2
]
=
MIN
(
stats
[
2
],
value
);
stats
[
3
]
=
MAX
(
stats
[
3
],
value
);
if
(
value
<
lo
)
{
if
(
beyond
==
IGNORE
)
{
stats
[
1
]
+=
weight
;
return
;
}
else
bin
[
0
]
+=
weight
;
}
else
if
(
value
>
hi
)
{
if
(
beyond
==
IGNORE
)
{
stats
[
1
]
+=
weight
;
return
;
}
else
bin
[
nbins
-
1
]
+=
weight
;
}
else
{
int
ibin
=
static_cast
<
int
>
((
value
-
lo
)
*
bininv
);
ibin
=
MIN
(
ibin
,
nbins
-
1
);
if
(
beyond
==
EXTRA
)
ibin
++
;
bin
[
ibin
]
+=
weight
;
}
stats
[
0
]
+=
weight
;
}
/* ----------------------------------------------------------------------
bin a vector of values with weights
values and weights each have a stride
------------------------------------------------------------------------- */
void
FixAveHistoWeight
::
bin_vector_weights
(
int
n
,
double
*
values
,
int
stride
,
double
*
weights
,
int
stridewt
)
{
int
m
=
0
;
int
m2
=
0
;
for
(
int
i
=
0
;
i
<
n
;
i
++
)
{
bin_one_weights
(
values
[
m
],
weights
[
m2
]);
m
+=
stride
;
m2
+=
stridewt
;
}
}
/* ----------------------------------------------------------------------
bin a per-atom vector of values with weights
values and weights each have a stride
only bin if atom is in group
------------------------------------------------------------------------- */
void
FixAveHistoWeight
::
bin_atoms_weights
(
double
*
values
,
int
stride
,
double
*
weights
,
int
stridewt
)
{
int
*
mask
=
atom
->
mask
;
int
nlocal
=
atom
->
nlocal
;
int
m
=
0
;
int
m2
=
0
;
for
(
int
i
=
0
;
i
<
nlocal
;
i
++
)
{
if
(
mask
[
i
]
&
groupbit
)
bin_one_weights
(
values
[
m
],
weights
[
m2
]);
m
+=
stride
;
m2
+=
stridewt
;
}
}
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