tools.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <complex.h>

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Macros
#define	_print_array(name, ptr, n, format, stype)

Functions
int	_init_data (char *ptr, const ssize_t n)
void	init_data_file (const char *data_file)
void	close_data_file ()
void	print_array_float (const char *name, const float *arr, const unsigned int n)
void	print_array_int (const char *name, const int *arr, const unsigned int n)
void	print_array_double (const char *name, const float *arr, const unsigned int n)
void	print_array_long (const char *name, const long *arr, const unsigned int n)
void	print_array_cplx (const char *name, const float complex *arr, const unsigned int n)
int	init_data_gen (void *ptr, const unsigned int n, const ssize_t stype)
int	init_data_float (float *ptr, const unsigned int n)
int	init_data_double (double *ptr, const unsigned int n)
int	init_data_long (long *ptr, const unsigned int n)
int	init_data_int (int *ptr, const unsigned int n)
int	init_data_cplx (float complex *ptr, const unsigned int n)
void	init_args (int argc, char **argv)

Variables
static FILE *	_f_data_file = 0

Macro Definition Documentation

_print_array

#define _print_array	(		name,
			ptr,
			n,
			format,
			stype
	)

Value:

        int i; \
        char formatnl[10]; \
        printf("%s :\n", name); \
        printf("----\n"); \
        formatnl[7] = 0; \
        strncpy(formatnl, format, 7); \
        strncat(formatnl, "\n", 2); \
        for (i = 0; i < n; i++) \
                printf(formatnl, *(ptr+i)); \
        printf("----\n");

Definition at line 19 of file tools.c.

Function Documentation

_init_data()

int _init_data	(	char *	ptr,
		const ssize_t	n
	)

Definition at line 83 of file tools.c.

{
        ssize_t nr;
        ssize_t ntoread;
 
        ntoread = n;
        if (_f_data_file == 0)
        {
                fprintf(stderr, "Data file must be initialized !\n");
                exit(1);
        }
        while (ntoread > 0)
        {
                nr = fread(ptr, 1, ntoread, _f_data_file);
                if (nr == 0 && ferror(_f_data_file))
                {
                        perror("read data file");
                        clearerr(_f_data_file);
                        return errno;
                }
                if (nr < ntoread)
                {
        //              fprintf(stderr, "%d bytes remaining...\n", ntoread-nr);
                        fseek(_f_data_file, 0L, SEEK_SET);
                        fflush(_f_data_file);
                }
                ntoread -= nr;
                ptr += nr;
        }
 
        // Old implementation... :
        //fprintf(stderr, "Warning: missing %d bytes in data file ! Filling with zeros...\n", n-nr);
        // This makes pips crashes... !!
        //memset(ptr + nr, 0, n-nr);
        return nr;
}

References _f_data_file, exit, and fprintf().

Referenced by init_data_gen().

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close_data_file()

void close_data_file

(

)

Definition at line 48 of file tools.c.

{
        if (_f_data_file != 0)
                fclose(_f_data_file);
}

References _f_data_file.

Referenced by main().

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init_args()

void init_args	(	int	argc,
		char **	argv
	)

Definition at line 151 of file tools.c.

{
        if (argc < 3)
        {
                fprintf(stderr, "Usage: %s kernel_size data_file\n", argv[0]);
                exit(1);
        }
        init_data_file(argv[2]);
}

References exit, fprintf(), and init_data_file().

Referenced by main().

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init_data_cplx()

int init_data_cplx	(	float complex *	ptr,
		const unsigned int	n
	)

Definition at line 146 of file tools.c.

{
        return 0;
}

init_data_double()

int init_data_double	(	double *	ptr,
		const unsigned int	n
	)

Definition at line 131 of file tools.c.

{
        return init_data_gen(ptr, n, sizeof(double));
}

References init_data_gen().

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init_data_file()

void init_data_file

(

const char *

data_file

)

Definition at line 36 of file tools.c.

{
        if (_f_data_file != 0)
                return;
        _f_data_file = fopen(data_file, "r");
        if (_f_data_file == 0)
        {
                perror("open data file");
                exit(errno);
        }
}

References _f_data_file, and exit.

Referenced by init_args(), and main().

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init_data_float()

int init_data_float	(	float *	ptr,
		const unsigned int	n
	)

Definition at line 125 of file tools.c.

{
        int r = init_data_gen(ptr, n, sizeof(float));
        return r;
}

References init_data_gen().

Referenced by main().

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init_data_gen()

int init_data_gen	(	void *	ptr,
		const unsigned int	n,
		const ssize_t	stype
	)

Definition at line 120 of file tools.c.

{
        return _init_data(ptr, (ssize_t)(n)*stype);
}

References _init_data().

Referenced by init_data_double(), init_data_float(), init_data_int(), and init_data_long().

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init_data_int()

int init_data_int	(	int *	ptr,
		const unsigned int	n
	)

Definition at line 141 of file tools.c.

{
        return init_data_gen(ptr, n, sizeof(int));
}

References init_data_gen().

Referenced by main().

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init_data_long()

int init_data_long	(	long *	ptr,
		const unsigned int	n
	)

Definition at line 136 of file tools.c.

{
        return init_data_gen(ptr, n, sizeof(long));
}

References init_data_gen().

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print_array_cplx()

void print_array_cplx	(	const char *	name,
		const float complex *	arr,
		const unsigned int	n
	)

Definition at line 74 of file tools.c.

{
        int i;
        for (i=0; i<n;i++)
        {
                printf("%f %f\n",crealf(arr[i]),cimagf(arr[i]));
        }
}

References printf().

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print_array_double()

void print_array_double	(	const char *	name,
		const float *	arr,
		const unsigned int	n
	)

Definition at line 64 of file tools.c.

{
        _print_array(name, arr, n, "%a", sizeof(double));
}

References _print_array.

print_array_float()

void print_array_float	(	const char *	name,
		const float *	arr,
		const unsigned int	n
	)

Definition at line 54 of file tools.c.

{
        _print_array(name, arr, n, "%f", sizeof(float));
}

References _print_array.

Referenced by main().

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print_array_int()

void print_array_int	(	const char *	name,
		const int *	arr,
		const unsigned int	n
	)

Definition at line 59 of file tools.c.

{
        _print_array(name, arr, n, "%d", sizeof(int));
}

References _print_array.

print_array_long()

void print_array_long	(	const char *	name,
		const long *	arr,
		const unsigned int	n
	)

Definition at line 69 of file tools.c.

{
        _print_array(name, arr, n, "%a", sizeof(long));
}

References _print_array.

Variable Documentation

_f_data_file

FILE* _f_data_file = 0

static

Definition at line 32 of file tools.c.

Referenced by _init_data(), close_data_file(), and init_data_file().