thread2

thread2.c

/* Nokta çarpım seri (klasik) gerçekleme  */

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

static int *vector_a;
static int *vector_b;
static long dot_product;

#define VECTOR_LENGTH 100000000
#define RANDOM_RANGE 100000

static void process(void)
{
        long i;
        long sum;

        for (i = 0, sum = 0; i < VECTOR_LENGTH; i++)
                sum += (vector_a[i] * vector_b[i]) % RANDOM_RANGE;
        dot_product = sum;
}

static void init(void)
{
        long i;

        vector_a = (int *) malloc(VECTOR_LENGTH * sizeof(int));
        vector_b = (int *) malloc(VECTOR_LENGTH * sizeof(int));

        for (i = 0; i < VECTOR_LENGTH; i++)
                vector_a[i] = vector_b[i] = random() % RANDOM_RANGE;
}

static void report(void)
{
        printf("Toplam: %ld\n", dot_product);
}

static void shutdown(void)
{
        free(vector_a);
        free(vector_b);
}

int main(void)
{
        init();
        process();
        report();
        shutdown();

        exit(EXIT_SUCCESS);