diff options
Diffstat (limited to 'include/compression/tng_compress.h')
| -rw-r--r-- | include/compression/tng_compress.h | 68 |
1 files changed, 63 insertions, 5 deletions
diff --git a/include/compression/tng_compress.h b/include/compression/tng_compress.h index eefcfaa..0858952 100644 --- a/include/compression/tng_compress.h +++ b/include/compression/tng_compress.h @@ -19,11 +19,13 @@ #endif /* win32... */ #endif /* not defined USE_WINDOWS */ +#ifndef DECLSPECDLLEXPORT #ifdef USE_WINDOWS #define DECLSPECDLLEXPORT __declspec(dllexport) -#else +#else /* USE_WINDOWS */ #define DECLSPECDLLEXPORT -#endif +#endif /* USE_WINDOWS */ +#endif /* DECLSPECDLLEXPORT */ #ifdef __cplusplus extern "C" { @@ -52,7 +54,16 @@ char DECLSPECDLLEXPORT *tng_compress_pos(double *pos, int natoms, int nframes, double desired_precision, int speed, int *algo, int *nitems); + +char DECLSPECDLLEXPORT *tng_compress_pos_float(float *pos, int natoms, int nframes, + float desired_precision, + int speed, int *algo, + int *nitems); +char DECLSPECDLLEXPORT *tng_compress_pos_int(int *pos, int natoms, int nframes, + unsigned long prec_hi, unsigned long prec_lo, + int speed,int *algo, + int *nitems); /* The tng_compress_pos_find_algo works the same as tng_compress_pos, but it performs benchmarking to find the algorithms with the best @@ -84,6 +95,17 @@ char DECLSPECDLLEXPORT *tng_compress_pos_find_algo(double *pos, int natoms, int int speed, int *algo, int *nitems); + +char DECLSPECDLLEXPORT *tng_compress_pos_float_find_algo(float *pos, int natoms, int nframes, + float desired_precision, + int speed, + int *algo, + int *nitems); + +char DECLSPECDLLEXPORT *tng_compress_pos_int_find_algo(int *pos, int natoms, int nframes, + unsigned long prec_hi, unsigned long prec_lo, + int speed,int *algo, + int *nitems); /* This returns the number of integers required for the storage of the algorithm with the best compression ratio. */ @@ -98,6 +120,16 @@ char DECLSPECDLLEXPORT *tng_compress_vel(double *vel, int natoms, int nframes, double desired_precision, int speed, int *algo, int *nitems); + +char DECLSPECDLLEXPORT *tng_compress_vel_float(float *vel, int natoms, int nframes, + float desired_precision, + int speed, int *algo, + int *nitems); + +char DECLSPECDLLEXPORT *tng_compress_vel_int(int *vel, int natoms, int nframes, + unsigned long prec_hi, unsigned long prec_lo, + int speed, int *algo, + int *nitems); char DECLSPECDLLEXPORT *tng_compress_vel_find_algo(double *vel, int natoms, int nframes, double desired_precision, @@ -105,6 +137,18 @@ char DECLSPECDLLEXPORT *tng_compress_vel_find_algo(double *vel, int natoms, int int *algo, int *nitems); +char DECLSPECDLLEXPORT *tng_compress_vel_float_find_algo(float *vel, int natoms, int nframes, + float desired_precision, + int speed, + int *algo, + int *nitems); + +char DECLSPECDLLEXPORT *tng_compress_vel_int_find_algo(int *vel, int natoms, int nframes, + unsigned long prec_hi, unsigned long prec_lo, + int speed, + int *algo, + int *nitems); + /* From a compressed block, obtain information about whether it is a position or velocity block: *vel=1 means velocity block, *vel=0 means position block. @@ -120,11 +164,25 @@ int DECLSPECDLLEXPORT tng_compress_inquire(char *data,int *vel, int *natoms, */ int DECLSPECDLLEXPORT tng_compress_uncompress(char *data,double *posvel); +int DECLSPECDLLEXPORT tng_compress_uncompress_float(char *data,float *posvel); + +int DECLSPECDLLEXPORT tng_compress_uncompress_int(char *data,int *posvel, unsigned long *prec_hi, unsigned long *prec_lo); - /* Compression algorithms (matching the original trajng - assignments) The compression backends require that some of the - algorithms must have the same value. */ +/* This converts a block of integers, as obtained from tng_compress_uncompress_int, to floating point values + either double precision or single precision. */ +void DECLSPECDLLEXPORT tng_compress_int_to_double(int *posvel_int,unsigned long prec_hi, unsigned long prec_lo, + int natoms,int nframes, + double *posvel_double); +void DECLSPECDLLEXPORT tng_compress_int_to_float(int *posvel_int,unsigned long prec_hi, unsigned long prec_lo, + int natoms,int nframes, + float *posvel_float); + + +/* Compression algorithms (matching the original trajng + assignments) The compression backends require that some of the + algorithms must have the same value. */ + #define TNG_COMPRESS_ALGO_STOPBIT 1 #define TNG_COMPRESS_ALGO_TRIPLET 2 #define TNG_COMPRESS_ALGO_BWLZH1 8 |