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/**
 * map a number from one range to another
 * @param  {num} value   the value to be mapped
 * @param  {num} old_min the minimum of value
 * @param  {num} old_max the maximum of value
 * @param  {num} new_min the new minimum value
 * @param  {num} new_max the new maximum value
 * @return {num}         the value remaped on the range [new_min new_max]
 */
public double map(double value, double old_min, double old_max, double new_min, double new_max) {
	return (value - old_min) / (old_max - old_min) * (new_max - new_min) + new_min;
}

/**
 * map a number from one range to another
 * @param  {num} value   the value to be mapped
 * @param  {num} old_min the minimum of value
 * @param  {num} old_max the maximum of value
 * @param  {num} new_min the new minimum value
 * @param  {num} new_max the new maximum value
 * @return {num}         the value remaped on the range [new_min new_max]
 */
function map(value, old_min, old_max, new_min, new_max) {
	return (value - old_min) / (old_max - old_min) * (new_max - new_min) + new_min;
}