dot_product - SO

#include<stdio.h>

float dot_product(float v1[], float v2[], int length)
{
    int i;
    float result = 0.0;  /* Initialize result to 0.0 */
    for (i = 0; i < length; i++) {
        result += v1[i] * v2[i];
        /* printf ( "%f, ", result); Are you sure you need to print this in the loop */
    }
    return result;
}