Method firstLocalMinimum

Common/Histogram.h:192–209

Return the first local minimum or zero if a minimum is not * found. */

	/** Return the first local minimum or zero if a minimum is not
	 * found. */
	T firstLocalMinimum() const
	{
		const unsigned SMOOTHING = 4;
		assert(!empty());
		Map::const_iterator minimum = m_map.begin();
		size_type count = 0;
		for (Map::const_iterator it = m_map.begin();
				it != m_map.end(); ++it) {
			if (it->second <= minimum->second) {
				minimum = it;
				count = 0;
			} else if (++count >= SMOOTHING)
				break;
		}
		if (minimum->first == maximum())
			return 0;
		return minimum->first;
	}

	void eraseNegative()
	{