}else{
new_time_window.time_width = ltt_time_div(new_time_window.time_width, size);
if(ltt_time_compare(new_time_window.time_width,time_delta) > 0)
{ /* Case where zoom out is bigger than trace length */
new_time_window.start_time = time_span.start_time;
new_time_window.time_width = time_delta;
}else{
new_time_window.time_width = ltt_time_div(new_time_window.time_width, size);
if(ltt_time_compare(new_time_window.time_width,time_delta) > 0)
{ /* Case where zoom out is bigger than trace length */
new_time_window.start_time = time_span.start_time;
new_time_window.time_width = time_delta;