Method fourierArray

ij/src/main/java/ij/macro/Functions.java:6399–6426

()

	}

	Variable[] fourierArray() {
		interp.getLeftParen();
		Variable[] a = getArray();
		int windowType = FHT.NO_WINDOW;
		if (interp.nextToken()==',') {
			interp.getComma();
			String windowS = getString().toLowerCase();
			if (windowS.equals("hamming"))
				windowType = FHT.HAMMING;
			else if (windowS.startsWith("hann")) //sometimes also called 'Hanning'
				windowType = FHT.HANN;
			else if (windowS.startsWith("flat"))
				windowType = FHT.FLATTOP;
			else if (!windowS.startsWith("no"))
				interp.error("Invalid Fourier window '"+windowType+"'");
		}
		interp.getRightParen();
		int n = a.length;
		float[] data = new float[n];
		for (int i=0; i<n; i++)
			data[i] = (float)a[i].getValue();
		float[] result = new FHT().fourier1D(data, windowType);
		int n2 = result.length;
		Variable[] a2 = new Variable[n2];
		for (int i=0; i<n2; i++)
			a2[i] = new Variable(result[i]);
		return a2;
	}

	Variable[] printArray() {
		String prefix = null;