Method random

ij/src/main/java/ij/macro/Functions.java:1301–1332

()

	Random ran;
	double random() {
		double dseed = Double.NaN;
		boolean gaussian = false;
		if (interp.nextToken()=='(') {
			interp.getLeftParen();
			if (isStringArg()) {
				String arg = getString().toLowerCase(Locale.US);
				if (arg.equals("seed")) {
					interp.getComma();
					dseed = interp.getExpression();
					long seed = (long)dseed;
					if (seed!=dseed)
						interp.error("Seed not integer");
					ran = new Random(seed);
					ImageProcessor.setRandomSeed(seed);
				} else if (arg.equals("gaussian"))
					gaussian = true;
				else
					interp.error("'seed' or ''gaussian' expected");
			}
			interp.getRightParen();
			if (!Double.isNaN(dseed)) return Double.NaN;
		}
		ImageProcessor.setRandomSeed(Double.NaN);
		interp.getParens();
 		if (ran==null)
			ran = new Random();
		if (gaussian)
			return ran.nextGaussian();
		else
			return ran.nextDouble();
	}

	double getResult(ResultsTable rt) {
		interp.getLeftParen();