Method makeBitReverseTable

ij/src/main/java/ij/process/FHT.java:226–231

(int maxN)

	}
	
	void makeBitReverseTable(int maxN) {
		bitrev = new int[maxN];
		int nLog2 = log2(maxN);
		for (int i=0; i<maxN; i++)
			bitrev[i] = bitRevX(i, nLog2);
	}

	/** Performs a 2D FHT (Fast Hartley Transform). */
	public void rc2DFHT(float[] x, boolean inverse, int maxN) {