Method getMinMax

ij/src/main/java/ij/util/Tools.java:72–94

Determines the minimum and maximum value in the array a and returns them as 2-element array {minimum, maximum}.

(double[] a)

	/** Determines the minimum and maximum value in the array <code>a</code>
	 *  and returns them as 2-element array {minimum, maximum}. */
	public static double[] getMinMax(double[] a) {
		double min = Double.NaN;
		double max = Double.NaN;
		int i=0;
		for (; i<a.length; i++)
			if (!Double.isNaN(a[i]))
				break;
		if (i<a.length) {
			min = a[i];
			max = a[i];
		}
		for (; i<a.length; i++) {
			double value = a[i];
			if (value<min)
				min = value;
			else if (value>max)
				max = value;
		}
		double[] minAndMax = new double[2];
		minAndMax[0] = min;
		minAndMax[1] = max;
		return minAndMax;
	}

	/** Determines the minimum and maximum value in the array <code>a</code>
	 *  and returns them as 2-element array {minimum, maximum}. */