git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@1380 f3b2605a-c512-4ea7-a41b-209d697bcdaa

This commit is contained in:
sjplimp 2008-01-17 20:22:20 +00:00
parent 79b1603750
commit fe66246c6b
9 changed files with 1126 additions and 53 deletions

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@ -8,6 +8,9 @@ if ($1 == 1) then
cp dump_xtc.h ..
cp xdr_compat.cpp ..
cp xdr_compat.h ..
else if ($1 == 0) then
rm ../style_xtc.h
@ -17,4 +20,7 @@ else if ($1 == 0) then
rm ../dump_xtc.h
rm ../xdr_compat.cpp
rm ../xdr_compat.h
endif

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@ -23,8 +23,6 @@
#include "stdlib.h"
#include "string.h"
#include "limits.h"
#include "rpc/rpc.h"
#include "rpc/xdr.h"
#include "dump_xtc.h"
#include "domain.h"
#include "atom.h"
@ -46,11 +44,17 @@ int xdrclose(XDR *) ;
void xdrfreebuf();
int xdr3dfcoord(XDR *, float *, int *, float *);
// include XDR compatibility code
#ifdef LAMMPS_USE_XDR_COMPAT
#include "xdr_compat.c"
#endif
/* ---------------------------------------------------------------------- */
DumpXTC::DumpXTC(LAMMPS *lmp, int narg, char **arg) : Dump(lmp, narg, arg)
{
if (narg != 5 && narg != 6) error->all("Illegal dump xtc command");
if (narg != 5) error->all("Illegal dump xtc command");
if (igroup != group->find("all")) error->all("Dump xtc must use group all");
if (binary || compressed || multifile || multiproc)
error->all("Invalid dump xtc filename");
@ -58,17 +62,8 @@ DumpXTC::DumpXTC(LAMMPS *lmp, int narg, char **arg) : Dump(lmp, narg, arg)
size_one = 4;
format_default = NULL;
flush_flag = 0;
// parse extra argument
unwrap_flag = 0;
precision = 1000.0;
if (narg == 6) {
precision = atof(arg[5]);
if ((fabs(precision-10.0) > EPS) && (fabs(precision-100.0) > EPS) &&
(fabs(precision-1000.0) > EPS) && (fabs(precision-10000.0) > EPS) &&
(fabs(precision-100000.0) > EPS) && (fabs(precision-1000000.0) > EPS))
error->all("Illegal dump xtc command");
}
// allocate global array for atom coords
@ -79,6 +74,7 @@ DumpXTC::DumpXTC(LAMMPS *lmp, int narg, char **arg) : Dump(lmp, narg, arg)
coords = (float *) memory->smalloc(3*natoms*sizeof(float),"dump:coords");
// sfactor = conversion of coords to XTC units
// GROMACS standard is nanometers, not Angstroms
sfactor = 0.1;
if (strcmp(update->unit_style,"lj") == 0) sfactor = 1.0;
@ -92,6 +88,7 @@ DumpXTC::DumpXTC(LAMMPS *lmp, int narg, char **arg) : Dump(lmp, narg, arg)
DumpXTC::~DumpXTC()
{
memory->sfree(coords);
if (me == 0) {
xdrclose(&xd);
xdrfreebuf();
@ -107,6 +104,29 @@ void DumpXTC::init()
if (flush_flag) error->all("Cannot set dump_modify flush for dump xtc");
}
/* ---------------------------------------------------------------------- */
int DumpXTC::modify_param(int narg, char **arg)
{
if (strcmp(arg[0],"unwrap") == 0) {
if (narg < 2) error->all("Illegal dump_modify command");
if (strcmp(arg[1],"yes") == 0) unwrap_flag = 1;
else if (strcmp(arg[1],"no") == 0) unwrap_flag = 0;
else error->all("Illegal dump_modify command");
return 2;
} else if (strcmp(arg[0],"precision") == 0) {
if (narg < 2) error->all("Illegal dump_modify command");
precision = atof(arg[1]);
if ((fabs(precision-10.0) > EPS) && (fabs(precision-100.0) > EPS) &&
(fabs(precision-1000.0) > EPS) && (fabs(precision-10000.0) > EPS) &&
(fabs(precision-100000.0) > EPS) &&
(fabs(precision-1000000.0) > EPS))
error->all("Illegal dump_modify command");
return 2;
}
return 0;
}
/* ----------------------------------------------------------------------
return # of bytes of allocated memory in buf and global coords array
------------------------------------------------------------------------- */
@ -154,9 +174,9 @@ void DumpXTC::write_header(int n)
// cell basis vectors
float zero = 0.0;
float xdim = domain->boxhi[0] - domain->boxlo[0];
float ydim = domain->boxhi[1] - domain->boxlo[1];
float zdim = domain->boxhi[2] - domain->boxlo[2];
float xdim = sfactor * (domain->boxhi[0] - domain->boxlo[0]);
float ydim = sfactor * (domain->boxhi[1] - domain->boxlo[1]);
float zdim = sfactor * (domain->boxhi[2] - domain->boxlo[2]);
xdr_float(&xd,&xdim); xdr_float(&xd,&zero); xdr_float(&xd,&zero);
xdr_float(&xd,&zero); xdr_float(&xd,&ydim); xdr_float(&xd,&zero);
@ -176,17 +196,32 @@ int DumpXTC::pack()
{
int *tag = atom->tag;
double **x = atom->x;
int *image = atom->image;
int nlocal = atom->nlocal;
// assume group all, so no need to perform mask check
int m = 0;
if (unwrap_flag == 1) {
double xprd = domain->xprd;
double yprd = domain->yprd;
double zprd = domain->zprd;
for (int i = 0; i < nlocal; i++) {
buf[m++] = tag[i];
buf[m++] = sfactor*(x[i][0] + ((image[i] & 1023) - 512) * xprd);
buf[m++] = sfactor*(x[i][1] + ((image[i] >> 10 & 1023) - 512) * yprd);
buf[m++] = sfactor*(x[i][2] + ((image[i] >> 20) - 512) * zprd);
}
} else {
for (int i = 0; i < nlocal; i++) {
buf[m++] = tag[i];
buf[m++] = sfactor*x[i][0];
buf[m++] = sfactor*x[i][1];
buf[m++] = sfactor*x[i][2];
}
}
return m;
}
@ -264,7 +299,6 @@ void DumpXTC::write_frame()
static FILE *xdrfiles[MAXID];
static XDR *xdridptr[MAXID];
static char xdrmodes[MAXID];
static unsigned int cnt;
static int *ip = NULL;
static int *buf = NULL;
@ -384,6 +418,7 @@ int xdrclose(XDR *xdrs)
}
fprintf(stderr, "xdrclose: no such open xdr file\n");
exit(1);
return 1;
}
/*_________________________________________________________________________

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@ -15,8 +15,13 @@
#define DUMP_XTC_H
#include "dump.h"
#ifdef LAMMPS_XDR
#include "xdr_compat.h"
#else
#include "rpc/rpc.h"
#include "rpc/xdr.h"
#endif
namespace LAMMPS_NS {
@ -29,11 +34,13 @@ class DumpXTC : public Dump {
private:
int natoms,ntotal;
float precision;
int unwrap_flag; // 1 if atom coords are unwrapped, 0 if no
float precision; // user-adjustable precision setting
float *coords;
double sfactor;
XDR xd;
int modify_param(int, char **);
void openfile();
void write_header(int);
int count();

717
src/XTC/xdr_compat.cpp Normal file
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@ -0,0 +1,717 @@
#ifdef LAMMPS_XDR
#include <stdlib.h>
#include <limits.h>
#include <string.h>
#include "xdr_compat.h"
/* This file is needed for systems, that do not provide XDR support
* in their system libraries. It was written for windows, but will
* most probably work on other platforms too. better make sure you
* test that the xtc files produced are ok before using it.
*
* It is also needed on BG/L and Cray XT3/XT4 as we don't have
* XDR support in the lightweight kernel runtimes either.
*
* This file contains the definitions for Sun External Data
* Representation (XDR) headers and routines.
*
* Although the rest of LAMPPS is GPL, you can copy and use the XDR
* routines in any way you want as long as you obey Sun's license:
*
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
* unrestricted use provided that this legend is included on all tape
* media and as a part of the software program in whole or part. Users
* may copy or modify Sun RPC without charge, but are not authorized
* to license or distribute it to anyone else except as part of a product or
* program developed by the user.
*
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
*
* Sun RPC is provided with no support and without any obligation on the
* part of Sun Microsystems, Inc. to assist in its use, correction,
* modification or enhancement.
*
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
* OR ANY PART THEREOF.
*
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
* or profits or other special, indirect and consequential damages, even if
* Sun has been advised of the possibility of such damages.
*
* Sun Microsystems, Inc.
* 2550 Garcia Avenue
* Mountain View, California 94043
*/
#ifdef __cplusplus
extern "C" {
#endif
/*
* for unit alignment
*/
static char xdr_zero[BYTES_PER_XDR_UNIT] = {0, 0, 0, 0};
static xdr_uint32_t xdr_swapbytes(xdr_uint32_t x)
{
xdr_uint32_t y;
int i;
char *px=(char *)&x;
char *py=(char *)&y;
for(i=0;i<4;i++)
py[i]=px[3-i];
return y;
}
static xdr_uint32_t xdr_htonl(xdr_uint32_t x)
{
short s=0x0F00;
if( *((char *)&s)==(char)0x0F) {
/* bigendian, do nothing */
return x;
} else {
/* smallendian,swap bytes */
return xdr_swapbytes(x);
}
}
static xdr_uint32_t xdr_ntohl(xdr_uint32_t x)
{
short s=0x0F00;
if( *((char *)&s)==(char)0x0F) {
/* bigendian, do nothing */
return x;
} else {
/* smallendian, swap bytes */
return xdr_swapbytes(x);
}
}
/*
* Free a data structure using XDR
* Not a filter, but a convenient utility nonetheless
*/
void
xdr_free (xdrproc_t proc, char *objp)
{
XDR x;
x.x_op = XDR_FREE;
(*proc) (&x, objp);
}
/*
* XDR nothing
*/
bool_t
xdr_void (void)
{
return TRUE;
}
/*
* XDR integers
*/
bool_t
xdr_int (XDR *xdrs, int *ip)
{
xdr_int32_t l;
switch (xdrs->x_op)
{
case XDR_ENCODE:
l = (xdr_int32_t) (*ip);
return xdr_putint32 (xdrs, &l);
case XDR_DECODE:
if (!xdr_getint32 (xdrs, &l))
{
return FALSE;
}
*ip = (int) l;
case XDR_FREE:
return TRUE;
}
return FALSE;
}
/*
* XDR unsigned integers
*/
bool_t
xdr_u_int (XDR *xdrs, unsigned int *up)
{
xdr_uint32_t l;
switch (xdrs->x_op)
{
case XDR_ENCODE:
l = (xdr_uint32_t) (*up);
return xdr_putuint32 (xdrs, &l);
case XDR_DECODE:
if (!xdr_getuint32 (xdrs, &l))
{
return FALSE;
}
*up = (unsigned int) l;
case XDR_FREE:
return TRUE;
}
return FALSE;
}
/*
* XDR short integers
*/
bool_t
xdr_short (XDR *xdrs, short *sp)
{
xdr_int32_t l;
switch (xdrs->x_op)
{
case XDR_ENCODE:
l = (xdr_int32_t) *sp;
return xdr_putint32 (xdrs, &l);
case XDR_DECODE:
if (!xdr_getint32 (xdrs, &l))
{
return FALSE;
}
*sp = (short) l;
return TRUE;
case XDR_FREE:
return TRUE;
}
return FALSE;
}
/*
* XDR unsigned short integers
*/
bool_t
xdr_u_short (XDR *xdrs, unsigned short *usp)
{
xdr_uint32_t l;
switch (xdrs->x_op)
{
case XDR_ENCODE:
l = (xdr_uint32_t) *usp;
return xdr_putuint32 (xdrs, &l);
case XDR_DECODE:
if (!xdr_getuint32 (xdrs, &l))
{
return FALSE;
}
*usp = (unsigned short) l;
return TRUE;
case XDR_FREE:
return TRUE;
}
return FALSE;
}
/*
* XDR a char
*/
bool_t
xdr_char (XDR *xdrs, char *cp)
{
int i;
i = (*cp);
if (!xdr_int (xdrs, &i))
{
return FALSE;
}
*cp = i;
return TRUE;
}
/*
* XDR an unsigned char
*/
bool_t
xdr_u_char (XDR *xdrs, unsigned char *cp)
{
unsigned int u;
u = (*cp);
if (!xdr_u_int (xdrs, &u))
{
return FALSE;
}
*cp = u;
return TRUE;
}
/*
* XDR booleans
*/
bool_t
xdr_bool (XDR *xdrs, int *bp)
{
#define XDR_FALSE ((xdr_int32_t) 0)
#define XDR_TRUE ((xdr_int32_t) 1)
xdr_int32_t lb;
switch (xdrs->x_op)
{
case XDR_ENCODE:
lb = *bp ? XDR_TRUE : XDR_FALSE;
return xdr_putint32 (xdrs, &lb);
case XDR_DECODE:
if (!xdr_getint32 (xdrs, &lb))
{
return FALSE;
}
*bp = (lb == XDR_FALSE) ? FALSE : TRUE;
return TRUE;
case XDR_FREE:
return TRUE;
}
return FALSE;
#undef XDR_FALSE
#undef XDR_TRUE
}
/*
* XDR opaque data
* Allows the specification of a fixed size sequence of opaque bytes.
* cp points to the opaque object and cnt gives the byte length.
*/
bool_t
xdr_opaque (XDR *xdrs, char *cp, unsigned int cnt)
{
unsigned int rndup;
static char crud[BYTES_PER_XDR_UNIT];
/*
* if no data we are done
*/
if (cnt == 0)
return TRUE;
/*
* round byte count to full xdr units
*/
rndup = cnt % BYTES_PER_XDR_UNIT;
if (rndup > 0)
rndup = BYTES_PER_XDR_UNIT - rndup;
switch (xdrs->x_op)
{
case XDR_DECODE:
if (!xdr_getbytes (xdrs, cp, cnt))
{
return FALSE;
}
if (rndup == 0)
return TRUE;
return xdr_getbytes (xdrs, (char *)crud, rndup);
case XDR_ENCODE:
if (!xdr_putbytes (xdrs, cp, cnt))
{
return FALSE;
}
if (rndup == 0)
return TRUE;
return xdr_putbytes (xdrs, xdr_zero, rndup);
case XDR_FREE:
return TRUE;
}
return FALSE;
}
/*
* XDR null terminated ASCII strings
* xdr_string deals with "C strings" - arrays of bytes that are
* terminated by a NULL character. The parameter cpp references a
* pointer to storage; If the pointer is null, then the necessary
* storage is allocated. The last parameter is the max allowed length
* of the string as specified by a protocol.
*/
bool_t
xdr_string (XDR *xdrs, char **cpp, unsigned int maxsize)
{
char *sp = *cpp; /* sp is the actual string pointer */
unsigned int size = 0;
unsigned int nodesize = 0;
/*
* first deal with the length since xdr strings are counted-strings
*/
switch (xdrs->x_op)
{
case XDR_FREE:
if (sp == NULL)
{
return TRUE; /* already free */
}
/* fall through... */
case XDR_ENCODE:
if (sp == NULL)
return FALSE;
size = strlen (sp);
break;
case XDR_DECODE:
break;
}
if (!xdr_u_int (xdrs, &size))
{
return FALSE;
}
if (size > maxsize)
{
return FALSE;
}
nodesize = size + 1;
/*
* now deal with the actual bytes
*/
switch (xdrs->x_op)
{
case XDR_DECODE:
if (nodesize == 0)
{
return TRUE;
}
if (sp == NULL)
*cpp = sp = (char *) malloc (nodesize);
if (sp == NULL)
{
(void) fputs ("xdr_string: out of memory\n", stderr);
return FALSE;
}
sp[size] = 0;
/* fall into ... */
case XDR_ENCODE:
return xdr_opaque (xdrs, sp, size);
case XDR_FREE:
free (sp);
*cpp = NULL;
return TRUE;
}
return FALSE;
}
/* Floating-point stuff */
bool_t
xdr_float(XDR *xdrs, float *fp)
{
xdr_int32_t tmp;
switch (xdrs->x_op) {
case XDR_ENCODE:
tmp = *(xdr_int32_t *)fp;
return (xdr_putint32(xdrs, &tmp));
break;
case XDR_DECODE:
if (xdr_getint32(xdrs, &tmp)) {
*(xdr_int32_t *)fp = tmp;
return (TRUE);
}
break;
case XDR_FREE:
return (TRUE);
}
return (FALSE);
}
bool_t
xdr_double(XDR *xdrs, double *dp)
{
/* Windows and some other systems dont define double-precision
* word order in the header files, so unfortunately we have
* to calculate it!
*/
static int LSW=-1; /* Least significant fp word */
int *ip;
xdr_int32_t tmp[2];
if(LSW<0) {
double x=0.987654321; /* Just a number */
/* Possible representations in IEEE double precision:
* (S=small endian, B=big endian)
*
* Byte order, Word order, Hex
* S S b8 56 0e 3c dd 9a ef 3f
* B S 3c 0e 56 b8 3f ef 9a dd
* S B dd 9a ef 3f b8 56 0e 3c
* B B 3f ef 9a dd 3c 0e 56 b8
*/
unsigned char ix = *((char *)&x);
if(ix==0xdd || ix==0x3f)
LSW=1; /* Big endian word order */
else if(ix==0xb8 || ix==0x3c)
LSW=0; /* Small endian word order */
else { /* Catch strange errors */
printf("Error when detecting floating-point word order.\n"
"Do you have a non-IEEE system?\n"
"If possible, use the XDR libraries provided with your system,\n"
"instead of the Gromacs fallback XDR source.\n");
exit(0);
}
}
switch (xdrs->x_op) {
case XDR_ENCODE:
ip = (int *)dp;
tmp[0] = ip[!LSW];
tmp[1] = ip[LSW];
return (xdr_putint32(xdrs, tmp) &&
xdr_putint32(xdrs, tmp+1));
break;
case XDR_DECODE:
ip = (int *)dp;
if (xdr_getint32(xdrs, tmp+!LSW) &&
xdr_getint32(xdrs, tmp+LSW)) {
ip[0] = tmp[0];
ip[1] = tmp[1];
return (TRUE);
}
break;
case XDR_FREE:
return (TRUE);
}
return (FALSE);
}
/* Array routines */
/*
* xdr_vector():
*
* XDR a fixed length array. Unlike variable-length arrays,
* the storage of fixed length arrays is static and unfreeable.
* > basep: base of the array
* > size: size of the array
* > elemsize: size of each element
* > xdr_elem: routine to XDR each element
*/
bool_t
xdr_vector (XDR *xdrs, char *basep, unsigned int nelem,
unsigned int elemsize, xdrproc_t xdr_elem)
{
#define LASTUNSIGNED ((unsigned int)0-1)
unsigned int i;
char *elptr;
elptr = basep;
for (i = 0; i < nelem; i++)
{
if (!(*xdr_elem) (xdrs, elptr, LASTUNSIGNED))
{
return FALSE;
}
elptr += elemsize;
}
return TRUE;
#undef LASTUNSIGNED
}
static bool_t xdrstdio_getbytes (XDR *, char *, unsigned int);
static bool_t xdrstdio_putbytes (XDR *, char *, unsigned int);
static unsigned int xdrstdio_getpos (XDR *);
static bool_t xdrstdio_setpos (XDR *, unsigned int);
static xdr_int32_t *xdrstdio_inline (XDR *, int);
static void xdrstdio_destroy (XDR *);
static bool_t xdrstdio_getint32 (XDR *, xdr_int32_t *);
static bool_t xdrstdio_putint32 (XDR *, xdr_int32_t *);
static bool_t xdrstdio_getuint32 (XDR *, xdr_uint32_t *);
static bool_t xdrstdio_putuint32 (XDR *, xdr_uint32_t *);
/*
* Ops vector for stdio type XDR
*/
static const struct xdr_ops xdrstdio_ops =
{
xdrstdio_getbytes, /* deserialize counted bytes */
xdrstdio_putbytes, /* serialize counted bytes */
xdrstdio_getpos, /* get offset in the stream */
xdrstdio_setpos, /* set offset in the stream */
xdrstdio_inline, /* prime stream for inline macros */
xdrstdio_destroy, /* destroy stream */
xdrstdio_getint32, /* deserialize a int */
xdrstdio_putint32, /* serialize a int */
xdrstdio_getuint32, /* deserialize a int */
xdrstdio_putuint32 /* serialize a int */
};
/*
* Initialize a stdio xdr stream.
* Sets the xdr stream handle xdrs for use on the stream file.
* Operation flag is set to op.
*/
void
xdrstdio_create (XDR *xdrs, FILE *file, enum xdr_op op)
{
xdrs->x_op = op;
/* We have to add the const since the `struct xdr_ops' in `struct XDR'
is not `const'. */
xdrs->x_ops = (struct xdr_ops *) &xdrstdio_ops;
xdrs->x_private = (char *) file;
xdrs->x_handy = 0;
xdrs->x_base = 0;
}
/*
* Destroy a stdio xdr stream.
* Cleans up the xdr stream handle xdrs previously set up by xdrstdio_create.
*/
static void
xdrstdio_destroy (XDR *xdrs)
{
(void) fflush ((FILE *) xdrs->x_private);
/* xx should we close the file ?? */
}
static bool_t
xdrstdio_getbytes (XDR *xdrs, char *addr, unsigned int len)
{
if ((len != 0) && (fread (addr, (int) len, 1,
(FILE *) xdrs->x_private) != 1))
return FALSE;
return TRUE;
}
static bool_t
xdrstdio_putbytes (XDR *xdrs, char *addr, unsigned int len)
{
if ((len != 0) && (fwrite (addr, (int) len, 1,
(FILE *) xdrs->x_private) != 1))
return FALSE;
return TRUE;
}
static unsigned int
xdrstdio_getpos (XDR *xdrs)
{
return (unsigned int) ftell ((FILE *) xdrs->x_private);
}
static bool_t
xdrstdio_setpos (XDR *xdrs, unsigned int pos)
{
return fseek ((FILE *) xdrs->x_private, (xdr_int32_t) pos, 0) < 0 ? FALSE : TRUE;
}
static xdr_int32_t *
xdrstdio_inline (XDR *xdrs, int len)
{
/*
* Must do some work to implement this: must insure
* enough data in the underlying stdio buffer,
* that the buffer is aligned so that we can indirect through a
* long *, and stuff this pointer in xdrs->x_buf. Doing
* a fread or fwrite to a scratch buffer would defeat
* most of the gains to be had here and require storage
* management on this buffer, so we don't do this.
*/
return NULL;
}
static bool_t
xdrstdio_getint32 (XDR *xdrs, xdr_int32_t *ip)
{
xdr_int32_t mycopy;
if (fread ((char *) &mycopy, 4, 1, (FILE *) xdrs->x_private) != 1)
return FALSE;
*ip = xdr_ntohl (mycopy);
return TRUE;
}
static bool_t
xdrstdio_putint32 (XDR *xdrs, xdr_int32_t *ip)
{
xdr_int32_t mycopy = xdr_htonl (*ip);
ip = &mycopy;
if (fwrite ((char *) ip, 4, 1, (FILE *) xdrs->x_private) != 1)
return FALSE;
return TRUE;
}
static bool_t
xdrstdio_getuint32 (XDR *xdrs, xdr_uint32_t *ip)
{
xdr_uint32_t mycopy;
if (fread ((char *) &mycopy, 4, 1, (FILE *) xdrs->x_private) != 1)
return FALSE;
*ip = xdr_ntohl (mycopy);
return TRUE;
}
static bool_t
xdrstdio_putuint32 (XDR *xdrs, xdr_uint32_t *ip)
{
xdr_uint32_t mycopy = xdr_htonl (*ip);
ip = &mycopy;
if (fwrite ((char *) ip, 4, 1, (FILE *) xdrs->x_private) != 1)
return FALSE;
return TRUE;
}
#ifdef __cplusplus
}
#endif
#endif

222
src/XTC/xdr_compat.h Normal file
View File

@ -0,0 +1,222 @@
#ifndef XDR_COMPAT_H
#define XDR_COMPAT_H
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* This file is needed for systems, that do not provide XDR support
* in their system libraries. It was written for windows, but will
* most probably work on other platforms too. better make sure you
* test that the xtc files produced are ok before using it.
*
* It is also needed on BG/L and Cray XT3/XT4 as we don't have
* XDR support in the lightweight kernel runtimes either.
*
* This file contains the definitions for Sun External Data
* Representation (XDR) headers and routines.
*
* Although the rest of LAMPPS is GPL, you can copy and use the XDR
* routines in any way you want as long as you obey Sun's license:
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
* unrestricted use provided that this legend is included on all tape
* media and as a part of the software program in whole or part. Users
* may copy or modify Sun RPC without charge, but are not authorized
* to license or distribute it to anyone else except as part of a product or
* program developed by the user.
*
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
*
* Sun RPC is provided with no support and without any obligation on the
* part of Sun Microsystems, Inc. to assist in its use, correction,
* modification or enhancement.
*
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
* OR ANY PART THEREOF.
*
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
* or profits or other special, indirect and consequential damages, even if
* Sun has been advised of the possibility of such damages.
*
* Sun Microsystems, Inc.
* 2550 Garcia Avenue
* Mountain View, California 94043
*/
/*
* Xdr operations. XDR_ENCODE causes the type to be encoded into the
* stream. XDR_DECODE causes the type to be extracted from the stream.
* XDR_FREE can be used to release the space allocated by an
* XDR_DECODE request.
*/
typedef int bool_t;
/*
* Aninteger type that is 32 bits wide. Check if int,
* long or short is 32 bits and die if none of them is :-)
*/
#if (INT_MAX == 2147483647)
typedef int xdr_int32_t;
typedef unsigned int xdr_uint32_t;
#elif (LONG_MAX == 2147483647L)
typedef long xdr_int32_t;
typedef unsigned long xdr_uint32_t;
#elif (SHRT_MAX == 2147483647)
typedef short xdr_int32_t;
typedef unsigned short xdr_uint32_t;
#else
# error ERROR: No 32 bit wide integer type found!
#endif
enum xdr_op {
XDR_ENCODE = 0,
XDR_DECODE = 1,
XDR_FREE = 2
};
#ifndef FALSE
# define FALSE (0)
#endif
#ifndef TRUE
# define TRUE (1)
#endif
#define BYTES_PER_XDR_UNIT (4)
/* Macro to round up to units of 4. */
#define XDR_RNDUP(x) (((x) + BYTES_PER_XDR_UNIT - 1) & ~(BYTES_PER_XDR_UNIT - 1))
/*
* The XDR handle.
* Contains operation which is being applied to the stream,
* an operations vector for the particular implementation (e.g. see xdr_mem.c),
* and two private fields for the use of the particular implementation.
*/
typedef struct XDR XDR;
struct XDR
{
enum xdr_op x_op; /* operation; fast additional param */
struct xdr_ops *x_ops;
char *x_public; /* users' data */
char *x_private; /* pointer to private data */
char *x_base; /* private used for position info */
int x_handy; /* extra private word */
};
struct xdr_ops
{
bool_t (*x_getbytes) (XDR *__xdrs, char *__addr, unsigned int __len);
/* get some bytes from " */
bool_t (*x_putbytes) (XDR *__xdrs, char *__addr, unsigned int __len);
/* put some bytes to " */
unsigned int (*x_getpostn) (XDR *__xdrs);
/* returns bytes off from beginning */
bool_t (*x_setpostn) (XDR *__xdrs, unsigned int __pos);
/* lets you reposition the stream */
xdr_int32_t *(*x_inline) (XDR *__xdrs, int __len);
/* buf quick ptr to buffered data */
void (*x_destroy) (XDR *__xdrs);
/* free privates of this xdr_stream */
bool_t (*x_getint32) (XDR *__xdrs, xdr_int32_t *__ip);
/* get a int from underlying stream */
bool_t (*x_putint32) (XDR *__xdrs, xdr_int32_t *__ip);
/* put a int to " */
bool_t (*x_getuint32) (XDR *__xdrs, xdr_uint32_t *__ip);
/* get a unsigned int from underlying stream */
bool_t (*x_putuint32) (XDR *__xdrs, xdr_uint32_t *__ip);
/* put a int to " */
};
/*
* A xdrproc_t exists for each data type which is to be encoded or decoded.
*
* The second argument to the xdrproc_t is a pointer to an opaque pointer.
* The opaque pointer generally points to a structure of the data type
* to be decoded. If this pointer is 0, then the type routines should
* allocate dynamic storage of the appropriate size and return it.
*/
typedef bool_t (*xdrproc_t) (XDR *, void *,...);
/*
* Operations defined on a XDR handle
*
* XDR *xdrs;
* xdr_int32_t *int32p;
* long *longp;
* char *addr;
* unsigned int len;
* unsigned int pos;
*/
#define xdr_getint32(xdrs, int32p) \
(*(xdrs)->x_ops->x_getint32)(xdrs, int32p)
#define xdr_putint32(xdrs, int32p) \
(*(xdrs)->x_ops->x_putint32)(xdrs, int32p)
#define xdr_getuint32(xdrs, uint32p) \
(*(xdrs)->x_ops->x_getuint32)(xdrs, uint32p)
#define xdr_putuint32(xdrs, uint32p) \
(*(xdrs)->x_ops->x_putuint32)(xdrs, uint32p)
#define xdr_getbytes(xdrs, addr, len) \
(*(xdrs)->x_ops->x_getbytes)(xdrs, addr, len)
#define xdr_putbytes(xdrs, addr, len) \
(*(xdrs)->x_ops->x_putbytes)(xdrs, addr, len)
#define xdr_getpos(xdrs) \
(*(xdrs)->x_ops->x_getpostn)(xdrs)
#define xdr_setpos(xdrs, pos) \
(*(xdrs)->x_ops->x_setpostn)(xdrs, pos)
#define xdr_inline(xdrs, len) \
(*(xdrs)->x_ops->x_inline)(xdrs, len)
#define xdr_destroy(xdrs) \
do { \
if ((xdrs)->x_ops->x_destroy) \
(*(xdrs)->x_ops->x_destroy)(xdrs); \
} while (0)
extern bool_t xdr_int (XDR *__xdrs, int *__ip);
extern bool_t xdr_u_int (XDR *__xdrs, unsigned int *__ip);
extern bool_t xdr_short (XDR *__xdrs, short *__ip);
extern bool_t xdr_u_short (XDR *__xdrs, unsigned short *__ip);
extern bool_t xdr_bool (XDR *__xdrs, int *__bp);
extern bool_t xdr_opaque (XDR *__xdrs, char *__cp, unsigned int __cnt);
extern bool_t xdr_string (XDR *__xdrs, char **__cpp, unsigned int __maxsize);
extern bool_t xdr_char (XDR *__xdrs, char *__cp);
extern bool_t xdr_u_char (XDR *__xdrs, unsigned char *__cp);
extern bool_t xdr_vector (XDR *__xdrs, char *__basep, unsigned int __nelem,
unsigned int __elemsize, xdrproc_t __xdr_elem);
extern bool_t xdr_float (XDR *__xdrs, float *__fp);
extern bool_t xdr_double (XDR *__xdrs, double *__dp);
extern void xdrstdio_create (XDR *__xdrs, FILE *__file, enum xdr_op __xop);
/* free memory buffers for xdr */
extern void xdr_free (xdrproc_t __proc, char *__objp);
#ifdef __cplusplus
}
#endif
#endif /* XDR_COMPAT_H */

View File

@ -44,8 +44,14 @@ using namespace LAMMPS_NS;
/* ---------------------------------------------------------------------- */
DumpDCD::DumpDCD(LAMMPS *lmp, int narg, char **arg) :
Dump(lmp, narg, arg)
static inline void fwrite_int32(FILE* fd, uint32_t i)
{
fwrite(&i,sizeof(uint32_t),1,fd);
}
/* ---------------------------------------------------------------------- */
DumpDCD::DumpDCD(LAMMPS *lmp, int narg, char **arg) : Dump(lmp, narg, arg)
{
if (narg != 5) error->all("Illegal dump dcd command");
if (igroup != group->find("all")) error->all("Dump dcd must use group all");
@ -53,6 +59,7 @@ DumpDCD::DumpDCD(LAMMPS *lmp, int narg, char **arg) :
error->all("Invalid dump dcd filename");
size_one = 4;
unwrap_flag = 0;
format_default = NULL;
// allocate global array for atom coords
@ -83,6 +90,9 @@ DumpDCD::~DumpDCD()
void DumpDCD::init()
{
if (unwrap_flag == 1 && domain->triclinic)
error->all("Dump dcd cannot dump unwrapped coords with triclinic box");
// check that dump frequency has not changed
if (nevery_save == 0) {
@ -99,6 +109,20 @@ void DumpDCD::init()
}
}
/* ---------------------------------------------------------------------- */
int DumpDCD::modify_param(int narg, char **arg)
{
if (strcmp(arg[0],"unwrap") == 0) {
if (narg < 2) error->all("Illegal dump_modify command");
if (strcmp(arg[1],"yes") == 0) unwrap_flag = 1;
else if (strcmp(arg[1],"no") == 0) unwrap_flag = 0;
else error->all("Illegal dump_modify command");
return 2;
}
return 0;
}
/* ----------------------------------------------------------------------
return # of bytes of allocated memory in buf and global coords array
------------------------------------------------------------------------- */
@ -156,9 +180,10 @@ void DumpDCD::write_header(int n)
}
uint32_t out_integer = 48;
fwrite(&out_integer,sizeof(uint32_t),1,fp);
fwrite_int32(fp,out_integer);
fwrite(dim,out_integer,1,fp);
fwrite(&out_integer,sizeof(uint32_t),1,fp);
fwrite_int32(fp,out_integer);
if (flush_flag) fflush(fp);
}
/* ---------------------------------------------------------------------- */
@ -174,17 +199,32 @@ int DumpDCD::pack()
{
int *tag = atom->tag;
double **x = atom->x;
int *image = atom->image;
int nlocal = atom->nlocal;
// assume group all, so no need to perform mask check
int m = 0;
if (unwrap_flag) {
double xprd = domain->xprd;
double yprd = domain->yprd;
double zprd = domain->zprd;
for (int i = 0; i < nlocal; i++) {
buf[m++] = tag[i];
buf[m++] = x[i][0] + ((image[i] & 1023) - 512) * xprd;
buf[m++] = x[i][1] + ((image[i] >> 10 & 1023) - 512) * yprd;
buf[m++] = x[i][2] + ((image[i] >> 20) - 512) * zprd;
}
} else {
for (int i = 0; i < nlocal; i++) {
buf[m++] = tag[i];
buf[m++] = x[i][0];
buf[m++] = x[i][1];
buf[m++] = x[i][2];
}
}
return m;
}
@ -221,25 +261,25 @@ void DumpDCD::write_frame()
// write coords
uint32_t out_integer = natoms*sizeof(float);
fwrite(&out_integer,sizeof(uint32_t),1,fp);
fwrite_int32(fp,out_integer);
fwrite(xf,out_integer,1,fp);
fwrite(&out_integer,sizeof(uint32_t),1,fp);
fwrite(&out_integer,sizeof(uint32_t),1,fp);
fwrite_int32(fp,out_integer);
fwrite_int32(fp,out_integer);
fwrite(yf,out_integer,1,fp);
fwrite(&out_integer,sizeof(uint32_t),1,fp);
fwrite(&out_integer,sizeof(uint32_t),1,fp);
fwrite_int32(fp,out_integer);
fwrite_int32(fp,out_integer);
fwrite(zf,out_integer,1,fp);
fwrite(&out_integer,sizeof(uint32_t),1,fp);
fwrite_int32(fp,out_integer);
// update NFILE and NSTEP fields in DCD header
nframes++;
out_integer = nframes;
fseek(fp,NFILE_POS,SEEK_SET);
fwrite(&out_integer,sizeof(uint32_t),1,fp);
fwrite_int32(fp,out_integer);
out_integer = update->ntimestep;
fseek(fp,NSTEP_POS,SEEK_SET);
fwrite(&out_integer,sizeof(uint32_t),1,fp);
fwrite_int32(fp,out_integer);
fseek(fp,0,SEEK_END);
}
@ -252,10 +292,9 @@ void DumpDCD::write_dcd_header(const char *remarks)
char title_string[200];
time_t cur_time;
struct tm *tmbuf;
char time_str[81];
out_integer = 84;
fwrite(&out_integer,sizeof(uint32_t),1,fp);
fwrite_int32(fp,out_integer);
strcpy(title_string,"CORD");
fwrite(title_string,4,1,fp);
fwrite_int32(fp,0); // NFILE = # of snapshots in file
@ -287,16 +326,12 @@ void DumpDCD::write_dcd_header(const char *remarks)
fwrite(title_string,80,1,fp);
cur_time=time(NULL);
tmbuf=localtime(&cur_time);
strftime(time_str,80,"REMARKS Created %d %B,%Y at %R",tmbuf);
fwrite(time_str,80,1,fp);
memset(title_string,' ',81);
strftime(title_string,80,"REMARKS Created %d %B,%Y at %R",tmbuf);
fwrite(title_string,80,1,fp);
fwrite_int32(fp,164);
fwrite_int32(fp,4);
fwrite_int32(fp,natoms); // number of atoms in each snapshot
fwrite_int32(fp,4);
}
/* ---------------------------------------------------------------------- */
void DumpDCD::fwrite_int32(FILE* fp, uint32_t i) {
fwrite(&i,4,1,fp);
if (flush_flag) fflush(fp);
}

View File

@ -30,6 +30,7 @@ class DumpDCD : public Dump {
private:
int natoms,ntotal,headerflag,nevery_save,nframes;
float *coords,*xf,*yf,*zf;
int unwrap_flag; // 1 if atom coords are unwrapped, 0 if no
void openfile();
void write_header(int);
@ -37,9 +38,9 @@ class DumpDCD : public Dump {
int pack();
void write_data(int, double *);
int modify_param(int, char **);
void write_frame();
void write_dcd_header(const char *);
void fwrite_int32(FILE *, uint32_t);
};
}

View File

@ -0,0 +1,20 @@
/* ----------------------------------------------------------------------
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.
------------------------------------------------------------------------- */
#ifdef ComputeInclude
#include "compute_ackland_atom.h"
#endif
#ifdef ComputeClass
ComputeStyle(ackland/atom,ComputeAcklandAtom)
#endif

View File

@ -0,0 +1,30 @@
/* ----------------------------------------------------------------------
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.
------------------------------------------------------------------------- */
#ifdef KSpaceInclude
#include "ewald_n.h"
#endif
#ifdef KSpaceClass
KSpaceStyle(ewald/n,EwaldN)
#endif
#ifdef PairInclude
#include "pair_buck_coul.h"
#include "pair_lj_coul.h"
#endif
#ifdef PairClass
PairStyle(buck/coul,PairBuckCoul)
PairStyle(lj/coul,PairLJCoul)
#endif