final void FA(int i) {
	if ((mask & 0x6) != 6)
	    throw new IllegalStateException();
	int i_121_ = Class70.sineTable[i];
	int i_122_ = Class70.cosineTable[i];
	synchronized (this) {
	    for (int i_123_ = 0; i_123_ < anInt5340; i_123_++) {
		int i_124_ = ((anIntArray5332[i_123_] * i_122_
			       - anIntArray5312[i_123_] * i_121_)
			      >> 14);
		anIntArray5312[i_123_]
		    = (anIntArray5332[i_123_] * i_121_
		       + anIntArray5312[i_123_] * i_122_) >> 14;
		anIntArray5332[i_123_] = i_124_;
	    }
	    method631();
	}
    }