635 	INT16 AI, AQ, BI, BQ, CI, CQ, DI, DQ;  in radix4FftRadix4ButterflyTwiddle()
687 	DI = radix4Fft16BitSubtract(z1I, z3I); DQ = radix4Fft16BitSubtract(z1Q, z3Q);  in radix4FftRadix4ButterflyTwiddle()
690 	y1I = radix4Fft16BitAdd(BI, DQ); y1Q = radix4Fft16BitSubtract(BQ, DI);  in radix4FftRadix4ButterflyTwiddle()
692 	y3I = radix4Fft16BitSubtract(BI, DQ); y3Q = radix4Fft16BitAdd(BQ, DI);  in radix4FftRadix4ButterflyTwiddle()
697 	DI = z1I-z3I; DQ = z1Q-z3Q;  in radix4FftRadix4ButterflyTwiddle()
700 	y1I = BI+DQ; y1Q = BQ-DI;  in radix4FftRadix4ButterflyTwiddle()
702 	y3I = BI-DQ; y3Q = BQ+DI;  in radix4FftRadix4ButterflyTwiddle()
808 	INT16 AI, AQ, BI, BQ, CI, CQ, DI, DQ;  in radix4IfftRadix4ButterflyTwiddle()
859 	DI = radix4Fft16BitSubtractShift(z1I, z3I); DQ = radix4Fft16BitSubtractShift(z1Q, z3Q);  in radix4IfftRadix4ButterflyTwiddle()
862 	y1I = radix4Fft16BitSubtractShift(BI, DQ); y1Q = radix4Fft16BitAddShift(BQ, DI);  in radix4IfftRadix4ButterflyTwiddle()
864 	y3I = radix4Fft16BitAddShift(BI, DQ); y3Q = radix4Fft16BitSubtractShift(BQ, DI);  in radix4IfftRadix4ButterflyTwiddle()
869 	DI = (z1I-z3I)>>1; DQ = (z1Q-z3Q)>>1;  in radix4IfftRadix4ButterflyTwiddle()
872 	y1I = (BI-DQ)>>1; y1Q = (BQ+DI)>>1;  in radix4IfftRadix4ButterflyTwiddle()
874 	y3I = (BI+DQ)>>1; y3Q = (BQ-DI)>>1;  in radix4IfftRadix4ButterflyTwiddle()
902 …], BI[NUM_PARALLEL], BQ[NUM_PARALLEL], CI[NUM_PARALLEL], CQ[NUM_PARALLEL], DI[NUM_PARALLEL], DQ[NU…  in radix4IfftRadix4ButterflyTwiddleParallel()  local
958 		DI[qq] = (z1I[qq] - z3I[qq]) >> 1; DQ[qq] = (z1Q[qq] - z3Q[qq]) >> 1;  in radix4IfftRadix4ButterflyTwiddleParallel()
963 		y1I[qq] = (BI[qq] - DQ[qq]) >> 1; y1Q[qq] = (BQ[qq] + DI[qq]) >> 1;  in radix4IfftRadix4ButterflyTwiddleParallel()
965 		y3I[qq] = (BI[qq] + DQ[qq]) >> 1; y3Q[qq] = (BQ[qq] - DI[qq]) >> 1;  in radix4IfftRadix4ButterflyTwiddleParallel()
1368 	INT16 AI, AQ, BI, BQ, CI, CQ, DI, DQ;  in radix4FftRadix4ButterflyBrev()  local
1404 	DI = radix4Fft16BitSubtract(x1I, x3I); DQ = radix4Fft16BitSubtract(x1Q, x3Q);	// r7  in radix4FftRadix4ButterflyBrev()
1408 	y3I = radix4Fft16BitSubtract(BI, DQ); y3Q = radix4Fft16BitAdd(BQ, DI);			// r6  in radix4FftRadix4ButterflyBrev()
1409 	y1I = radix4Fft16BitAdd(BI, DQ); y1Q = radix4Fft16BitSubtract(BQ, DI);			// r5  in radix4FftRadix4ButterflyBrev()
1414 	DI = x1I-x3I; DQ = x1Q-x3Q;  in radix4FftRadix4ButterflyBrev()
1418 	y3I = BI-DQ; y3Q = BQ+DI;  in radix4FftRadix4ButterflyBrev()
1419 	y1I = BI+DQ; y1Q = BQ-DI;  in radix4FftRadix4ButterflyBrev()
1443 	INT16 AI, AQ, BI, BQ, CI, CQ, DI, DQ;  in radix4IfftRadix4ButterflyBrev()  local
1479 	DI = radix4Fft16BitSubtractShift(x1I, x3I); DQ = radix4Fft16BitSubtractShift(x1Q, x3Q);	// r7  in radix4IfftRadix4ButterflyBrev()
1482 	y3I = radix4Fft16BitAddShift(BI, DQ); y3Q = radix4Fft16BitSubtractShift(BQ, DI);			// r6  in radix4IfftRadix4ButterflyBrev()
1483 	y1I = radix4Fft16BitSubtractShift(BI, DQ); y1Q = radix4Fft16BitAddShift(BQ, DI);			// r5  in radix4IfftRadix4ButterflyBrev()
1488 	DI = (x1I-x3I)>>1; DQ = (x1Q-x3Q)>>1;  in radix4IfftRadix4ButterflyBrev()
1491 	y3I = (BI+DQ)>>1; y3Q = (BQ-DI)>>1;  in radix4IfftRadix4ButterflyBrev()
1492 	y1I = (BI-DQ)>>1; y1Q = (BQ+DI)>>1;  in radix4IfftRadix4ButterflyBrev()
1560 	INT16 AI, AQ, BI, BQ, CI, CQ, DI, DQ;  in radix4IfftRadix4ButterflyBrevStride()  local
1592 	DI = (x1I - x3I) >> 1; DQ = (x1Q - x3Q) >> 1;  in radix4IfftRadix4ButterflyBrevStride()
1595 	y3I = (BI + DQ) >> 1; y3Q = (BQ - DI) >> 1;  in radix4IfftRadix4ButterflyBrevStride()
1596 	y1I = (BI - DQ) >> 1; y1Q = (BQ + DI) >> 1;  in radix4IfftRadix4ButterflyBrevStride()
1623 …], BI[NUM_PARALLEL], BQ[NUM_PARALLEL], CI[NUM_PARALLEL], CQ[NUM_PARALLEL], DI[NUM_PARALLEL], DQ[NU…  in radix4IfftRadix4ButterflyBrevParallel()  local
1661 		DI[qq] = (x1I[qq] - x3I[qq]) >> 1; DQ[qq] = (x1Q[qq] - x3Q[qq]) >> 1;  in radix4IfftRadix4ButterflyBrevParallel()
1666 		y3I[qq] = (BI[qq] + DQ[qq]) >> 1; y3Q[qq] = (BQ[qq] - DI[qq]) >> 1;  in radix4IfftRadix4ButterflyBrevParallel()
1667 		y1I[qq] = (BI[qq] - DQ[qq]) >> 1; y1Q[qq] = (BQ[qq] + DI[qq]) >> 1;  in radix4IfftRadix4ButterflyBrevParallel()
2540 	INT16 AI, AQ, BI, BQ, CI, CQ, DI, DQ;  in radix4Fft4in64()  local
2651 		DI = radix4Fft16BitSubtract(z1I, z3I); DQ = radix4Fft16BitSubtract(z1Q, z3Q);  in radix4Fft4in64()
2654 		y1I = radix4Fft16BitAddShift(BI, DQ); y1Q = radix4Fft16BitSubtractShift(BQ, DI);  in radix4Fft4in64()
2656 		y3I = radix4Fft16BitSubtractShift(BI, DQ); y3Q = radix4Fft16BitAddShift(BQ, DI);  in radix4Fft4in64()
2673 		DI = (z1I-z3I); DQ = (z1Q-z3Q);  in radix4Fft4in64()
2676 		y1I = (BI+DQ)>>1; y1Q = (BQ-DI)>>1;  in radix4Fft4in64()
2678 		y3I = (BI-DQ)>>1; y3Q = (BQ+DI)>>1;  in radix4Fft4in64()