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56 typedef struct gmx_rmpbc
{
64 static t_graph
*gmx_rmpbc_get_graph(gmx_rmpbc_t gpbc
,int ePBC
,int natoms
)
72 || gpbc
->idef
->ntypes
<= 0)
78 for(i
=0; i
<gpbc
->ngraph
; i
++)
80 if (natoms
== gpbc
->graph
[i
].natoms
)
87 /* We'd like to check with the number of atoms in the topology,
88 * but we don't have that available.
89 * So we check against the number of atoms that gmx_rmpbc_init
92 if (natoms
> gpbc
->natoms_init
)
94 gmx_fatal(FARGS
,"Structure or trajectory file has more atoms (%d) than the topology (%d)",natoms
,gpbc
->natoms_init
);
97 srenew(gpbc
->graph
,gpbc
->ngraph
);
98 gr
= &gpbc
->graph
[gpbc
->ngraph
-1];
100 gr
->gr
= mk_graph(NULL
,gpbc
->idef
,0,natoms
,FALSE
,FALSE
);
106 gmx_rmpbc_t
gmx_rmpbc_init(t_idef
*idef
,int ePBC
,int natoms
,
113 gpbc
->natoms_init
= natoms
;
115 /* This sets pbc when we now it,
116 * otherwise we guess it from the instantaneous box in the trajectory.
121 if (gpbc
->idef
->ntypes
<= 0)
125 "WARNING: If there are molecules in the input trajectory file\n"
126 " that are broken across periodic boundaries, they\n"
127 " cannot be made whole (or treated as whole) without\n"
128 " you providing a run input file.\n\n");
134 void gmx_rmpbc_done(gmx_rmpbc_t gpbc
)
140 for(i
=0; i
<gpbc
->ngraph
; i
++)
142 done_graph(gpbc
->graph
[i
].gr
);
144 if (gpbc
->graph
!= NULL
)
151 static int gmx_rmpbc_ePBC(gmx_rmpbc_t gpbc
,matrix box
)
153 if (NULL
!= gpbc
&& gpbc
->ePBC
>= 0)
159 return guess_ePBC(box
);
163 void gmx_rmpbc(gmx_rmpbc_t gpbc
,int natoms
,matrix box
,rvec x
[])
168 ePBC
= gmx_rmpbc_ePBC(gpbc
,box
);
169 gr
= gmx_rmpbc_get_graph(gpbc
,ePBC
,natoms
);
172 mk_mshift(stdout
,gr
,ePBC
,box
,x
);
173 shift_self(gr
,box
,x
);
177 void gmx_rmpbc_copy(gmx_rmpbc_t gpbc
,int natoms
,matrix box
,rvec x
[],rvec x_s
[])
183 ePBC
= gmx_rmpbc_ePBC(gpbc
,box
);
184 gr
= gmx_rmpbc_get_graph(gpbc
,ePBC
,natoms
);
187 mk_mshift(stdout
,gr
,ePBC
,box
,x
);
188 shift_x(gr
,box
,x
,x_s
);
192 for(i
=0; i
<natoms
; i
++)
194 copy_rvec(x
[i
],x_s
[i
]);
199 void gmx_rmpbc_trxfr(gmx_rmpbc_t gpbc
,t_trxframe
*fr
)
204 if (fr
->bX
&& fr
->bBox
)
206 ePBC
= gmx_rmpbc_ePBC(gpbc
,fr
->box
);
207 gr
= gmx_rmpbc_get_graph(gpbc
,ePBC
,fr
->natoms
);
210 mk_mshift(stdout
,gr
,ePBC
,fr
->box
,fr
->x
);
211 shift_self(gr
,fr
->box
,fr
->x
);
216 void rm_gropbc(t_atoms
*atoms
,rvec x
[],matrix box
)
221 /* check periodic boundary */
222 for(n
=1;(n
<atoms
->nr
);n
++)
224 for(m
=DIM
-1; m
>=0; m
--)
226 dist
= x
[n
][m
]-x
[n
-1][m
];
227 if (fabs(dist
) > 0.9*box
[m
][m
])
233 x
[n
][d
] -= box
[m
][d
];
240 x
[n
][d
] += box
[m
][d
];