/* 
   Write a function that receives as input two float numbers (a and b),
   it multiplies them and it returns the result of the multiplications.
   The function must be applied to a vector of name vet in order to multiplicate by 3.0
   each element of the vector.
   The result of the multiplication must be stored in a vector of name res with the same dimension
   of vet.
 */


#include <stdio.h>
#define SIZE 10

/* Prototype */
float mul(float a, float b);

int main(){

  float vet[SIZE] = {1.0, 5.0, 3.0, 7.0, 10.0, 1.0, 2.0, 3.0, 4.0, 5.0};
  float res[SIZE];
  int i;

  /* Multiplication of each element of vet by 3.0 and storing of the result in res */
  for(i=0; i < SIZE; i++){
    res[i] = mul(vet[i], 3.0);
  }
 
  /* Print results, i.e., the content of vector res */
  for(i=0; i < SIZE-1; i++){
    printf("%f ", res[i]);
  }
  printf("%f\n", res[SIZE-1]);
  
  return 0;
}


/* Implementation of the function mul that performs the multiplication between a and b */
float mul(float a, float b){
  float result;

  result = a*b;

  return result;
}

/* The function mul can be also implemented in the following way */
/*
float mul(float a, float b){
    return a*b;
}
*/