Add more const correctness
[gromacs.git] / src / gromacs / fileio / xtcio.h
blob9a3ba015d146285a9a0d43b473fcf1c981295e04
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38 #ifndef GMX_FILEIO_XTCIO_H
39 #define GMX_FILEIO_XTCIO_H
41 #include "gromacs/math/vectypes.h"
42 #include "gromacs/utility/basedefinitions.h"
43 #include "gromacs/utility/real.h"
45 #ifdef __cplusplus
46 extern "C" {
47 #endif
49 struct t_fileio;
51 /* All functions return 1 if successful, 0 otherwise
52 * bOK tells if a frame is not corrupted
55 struct t_fileio *open_xtc(const char *filename, const char *mode);
56 /* Open a file for xdr I/O */
58 void close_xtc(struct t_fileio *fio);
59 /* Close the file for xdr I/O */
61 int read_first_xtc(struct t_fileio *fio,
62 int *natoms, int *step, real *time,
63 matrix box, rvec **x, real *prec, gmx_bool *bOK);
64 /* Open xtc file, read xtc file first time, allocate memory for x */
66 int read_next_xtc(struct t_fileio *fio,
67 int natoms, int *step, real *time,
68 matrix box, rvec *x, real *prec, gmx_bool *bOK);
69 /* Read subsequent frames */
71 int write_xtc(struct t_fileio *fio,
72 int natoms, int step, real time,
73 const rvec *box, const rvec *x, real prec);
74 /* Write a frame to xtc file */
76 #ifdef __cplusplus
78 #endif
80 #endif