system.cc File Reference

various low level helper routines More...

#include "gadgetconfig.h"
#include <gsl/gsl_rng.h>
#include <math.h>
#include <mpi.h>
#include <signal.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <sys/resource.h>
#include <sys/statvfs.h>
#include <sys/time.h>
#include <sys/types.h>
#include <time.h>
#include <unistd.h>
#include "../data/allvars.h"
#include "../data/dtypes.h"
#include "../data/mymalloc.h"
#include "../io/io.h"
#include "../logs/logs.h"
#include "../main/main.h"
#include "../main/simulation.h"
#include "../mpi_utils/mpi_utils.h"
#include "../system/system.h"

Go to the source code of this file.

Macros
#define	WALK_N_PIECES   32
#define	WALK_N_SIZE   500

Functions
void	init_rng (int thistask)
double	get_random_number (void)
void	subdivide_evenly (long long N, int pieces, int index_bin, long long *first, int *count)
void	subdivide_evenly (int N, int pieces, int index_bin, int *first, int *count)
void	subdivide_evenly_get_bin (int N, int pieces, int index, int *bin)
void	permutate_chunks_in_list (int ncount, int *list)
void	myflush (FILE *fstream)
int	my_fls (unsigned int x)

Variables
gsl_rng *	random_generator

Detailed Description

various low level helper routines

Definition in file system.cc.

Macro Definition Documentation

WALK_N_PIECES

#define WALK_N_PIECES   32

WALK_N_SIZE

#define WALK_N_SIZE   500

Function Documentation

get_random_number()

double get_random_number

(

void

)

Definition at line 49 of file system.cc.

init_rng()

void init_rng

(

int

thistask

)

Definition at line 42 of file system.cc.

my_fls()

int my_fls

(

unsigned int

x

)

Definition at line 316 of file system.cc.

myflush()

void myflush

(

FILE *

fstream

)

Definition at line 125 of file system.cc.

permutate_chunks_in_list()

void permutate_chunks_in_list	(	int	ncount,
		int *	list
	)

< Number of chunk sets used

< Size of each chunk

< Chunk set currently processed

Definition at line 81 of file system.cc.

subdivide_evenly() [1/2]

void subdivide_evenly	(	int	N,
		int	pieces,
		int	index_bin,
		int *	first,
		int *	count
	)

Definition at line 62 of file system.cc.

subdivide_evenly() [2/2]

void subdivide_evenly	(	long long	N,
		int	pieces,
		int	index_bin,
		long long *	first,
		int *	count
	)

Definition at line 51 of file system.cc.

subdivide_evenly_get_bin()

void subdivide_evenly_get_bin	(	int	N,
		int	pieces,
		int	index,
		int *	bin
	)

Definition at line 70 of file system.cc.

Variable Documentation

random_generator

gsl_rng* random_generator

the random number generator used

Definition at line 40 of file system.cc.