NAME¶

/home/serge/sources/hyantes/src/hyantes.c - core of hyantes

SYNOPSIS¶

Defines¶

#define POW2(a) ((a)*(a)) #define AMORTIZED_DISK(pot, dst, res, range) do{res=((pot)/(1+(dst)));}while (0) #define SMOOTHING_FUN AMORTIZED_DISK #define DISK(pot, dst, res, range) do{res=(pot);}while (0) #define SMOOTHING_FUN DISK #define GAUSSIAN(pot, dst, res, range) do{res=(pot)*(exp(-(M_PI/(4.*POW2(range)))*POW2(dst)));} while (0) #define SMOOTHING_FUN GAUSSIAN #define EXPONENTIAL(pot, dst, res, range) do{res=(pot)*(exp(-(2./(range))*(dst)));} while (0) #define SMOOTHING_FUN EXPONENTIAL #define PARETO(pot, dst, res, range) do{data_t tmp = POW2(dst); res=(pot)*(1./(1+(2/(range)*POW2(tmp))));} while (0) #define SMOOTHING_FUN PARETO

Functions¶

static void do_run (hs_coord_t visu, data_t lonStep, data_t latStep, data_t range, size_t lonRange, size_t latRange, size_t nb, hs_potential_t plots[latRange][lonRange], hs_potential_t the_towns[nb], hs_config_t *configuration) dispatch call to the right smoothing function static hs_potential_t * hs_read_towns (FILE *fd, size_t *len, hs_config_t *config) reads a file containing towns and parse it void hs_display (size_t lonRange, size_t latRange, hs_potential_t pt[latRange][lonRange]) displays the matrix of processed potentials hs_potential_t * hs_smooth (int _resoLat, int _resoLon, hs_coord_t visu, FILE *pFileReference) performs the smoothing of target area inside visu, using potentials from pFileReference the smoothing is performed using smoothing method given by hs_set(HS_SMOOTH_FUNC, ... ) the resolution of the output matrix will be resoLat x resoLon const char ** hs_list_smoothing (size_t *sz) list all available smoothing methods that can be configured using hs_config unsigned long hs_status () observer of the execution of the computation hs_potential_t * hs_smooth_r (int _resoLat, int _resoLon, hs_coord_t visu, FILE *pFileReference, hs_config_t *configuration) performs the smoothing of target area inside visu, using potentials from pFileReference and using given hs_config the smoothing is performed using smoothing method acording to the configuration given in the arguments the resolution of the output matrix will be resoLat x resoLon hs_potential_t * hs_smoothing (int _resoLat, int _resoLon, const char *function_name, double function_param, hs_coord_t visu, FILE *pFileReference) perform the smoothing of target area inside visu, using potentials from pFileReference the smoothing is performed using function_name smoothing method, with a radius of function_param the resolution of the output matrix will be resoLat x resoLon (obsolete function, use hs_smmoth_r instead)

Variables¶

char const *const func_names [] static array containg function names. each function must also be listed in func_ptrs in the same order hs_config_t g_config = { NULL,0,0,0,500,0,0 }

Detailed Description¶

core of hyantes Author: Date: This file is part of hyantes. hyantes is free software; you can redistribute it and/or modify it under the terms of the CeCILL-C License You should have received a copy of the CeCILL-C License along with this program. If not, see <http://www.cecill.info/licences>. Definition in file hyantes.c.

Function Documentation¶

void hs_display (size_tlonRange, size_tlatRange, hs_potential_tpt[latRange][lonRange])¶

displays the matrix of processed potentials Parameters: Definition at line 180 of file hyantes.c.

const char** hs_list_smoothing (size_t *sz)¶

list all available smoothing methods that can be configured using hs_config Parameters: Returns: Definition at line 219 of file hyantes.c. References func_names. Referenced by vhs_set_r().

static hs_potential_t* hs_read_towns (FILE *fd, size_t *len, hs_config_t *config) [static]¶

reads a file containing towns and parse it Parameters: Returns: Definition at line 120 of file hyantes.c. References hs_config_t::herrno, hs_potential::lat, and hs_potential::lon. Referenced by hs_smooth_r().

hs_potential_t* hs_smooth (int_resoLat, int_resoLon, hs_coord_tvisu, FILE *pFileReference)¶

performs the smoothing of target area inside visu, using potentials from pFileReference the smoothing is performed using smoothing method given by hs_set(HS_SMOOTH_FUNC, ... ) the resolution of the output matrix will be resoLat x resoLon Parameters: Returns: Definition at line 209 of file hyantes.c. References hs_smooth_r().

hs_potential_t* hs_smooth_r (int_resoLat, int_resoLon, hs_coord_tvisu, FILE *pFileReference, hs_config_t *configuration)¶

performs the smoothing of target area inside visu, using potentials from pFileReference and using given hs_config the smoothing is performed using smoothing method acording to the configuration given in the arguments the resolution of the output matrix will be resoLat x resoLon Parameters: Returns: Definition at line 252 of file hyantes.c. References do_run(), hs_config_t::herrno, hs_read_towns(), hs_coord::mLat, hs_coord::MLat, hs_coord::mLon, and hs_coord::MLon. Referenced by hs_smooth(), and hs_smoothing().

hs_potential_t* hs_smoothing (int_resoLat, int_resoLon, const char *function_name, doublefunction_param, hs_coord_tvisu, FILE *pFileReference)¶

perform the smoothing of target area inside visu, using potentials from pFileReference the smoothing is performed using function_name smoothing method, with a radius of function_param the resolution of the output matrix will be resoLat x resoLon (obsolete function, use hs_smmoth_r instead) Parameters: Returns: Definition at line 302 of file hyantes.c. References hs_set_r(), HS_SMOOTH_FUNC, and hs_smooth_r().

unsigned long hs_status ()¶

observer of the execution of the computation Returns: Definition at line 228 of file hyantes.c. References hs_config_t::status.

Variable Documentation¶

char const* const func_names[] Initial value:¶

 {
    'disk',
    'amortized_disk',
    'gaussian',
    'exponential',
    'pareto'
}

static array containg function names. each function must also be listed in func_ptrs in the same order Definition at line 29 of file hyantes.c. Referenced by hs_list_smoothing(), and vhs_set_r().

Author¶

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