daxpy_r.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include "tools.h"

Include dependency graph for daxpy_r.c:

Go to the source code of this file.

Functions
void	daxpy_r (int n, float da, float dx[n], float dy[n])
int	main (int argc, char *argv[])

Function Documentation

daxpy_r()

void daxpy_r	(	int	n,
		float	da,
		float	dx[n],
		float	dy[n]
	)

code for both increments equal to 1

Definition at line 6 of file daxpy_r.c.

{
    int i;
    /* code for both increments equal to 1 */
 
    for (i = 0;i < n; i++)
        dy[i] = dy[i] + da*dx[i];
}

Referenced by main().

Here is the caller graph for this function:

main()

int main	(	int	argc,
		char *	argv[]
	)

Definition at line 15 of file daxpy_r.c.

{
    int n;
    float (*dx)[n],(*dy)[n];
    int i;
    if (argc < 3)
    {
            fprintf(stderr, "Usage: %s size data_file\n", argv[0]);
            return 1;
    }
    n = atoi(argv[1]);
    dx=malloc(sizeof(float)*n);
    dy=malloc(sizeof(float)*n);
    init_data_file(argv[2]);
    init_data_float(dx,n);
    init_data_float(dy,n);
    close_data_file();
    daxpy_r(n,42.,*dx,*dy);
    print_array_float("dy",dy,n);
    free(dx);
    free(dy);
    return 0;
}

References close_data_file(), daxpy_r(), fprintf(), free(), init_data_file(), init_data_float(), malloc(), and print_array_float().

Here is the call graph for this function: