double
array_duplicate_and_threshold(double *array, size_t number_of_values, double threshold){
size_t i;

double*array_temp = (double *) malloc(sizeof(array));

for(i=0;i<number_of_values;i++){
    if(array[i]<=array_temp[i]){
        array_temp[i]=array[i]*threshold;
}
return array_temp[i];
}