137       kiss_fft_cpx scratch[6];  in kf_bfly4()  local
149             C_MUL(scratch[0],Fout[m] , *tw1 );  in kf_bfly4()
150             C_MUL(scratch[1],Fout[m2] , *tw2 );  in kf_bfly4()
151             C_MUL(scratch[2],Fout[m3] , *tw3 );  in kf_bfly4()
153             C_SUB( scratch[5] , *Fout, scratch[1] );  in kf_bfly4()
154             C_ADDTO(*Fout, scratch[1]);  in kf_bfly4()
155             C_ADD( scratch[3] , scratch[0] , scratch[2] );  in kf_bfly4()
156             C_SUB( scratch[4] , scratch[0] , scratch[2] );  in kf_bfly4()
157             C_SUB( Fout[m2], *Fout, scratch[3] );  in kf_bfly4()
161             C_ADDTO( *Fout , scratch[3] );  in kf_bfly4()
163             Fout[m].r = scratch[5].r + scratch[4].i;  in kf_bfly4()
164             Fout[m].i = scratch[5].i - scratch[4].r;  in kf_bfly4()
165             Fout[m3].r = scratch[5].r - scratch[4].i;  in kf_bfly4()
166             Fout[m3].i = scratch[5].i + scratch[4].r;  in kf_bfly4()
189    kiss_fft_cpx scratch[5];  in kf_bfly3()  local
207          C_MUL(scratch[1],Fout[m] , *tw1);  in kf_bfly3()
208          C_MUL(scratch[2],Fout[m2] , *tw2);  in kf_bfly3()
210          C_ADD(scratch[3],scratch[1],scratch[2]);  in kf_bfly3()
211          C_SUB(scratch[0],scratch[1],scratch[2]);  in kf_bfly3()
215          Fout[m].r = Fout->r - HALF_OF(scratch[3].r);  in kf_bfly3()
216          Fout[m].i = Fout->i - HALF_OF(scratch[3].i);  in kf_bfly3()
218          C_MULBYSCALAR( scratch[0] , epi3.i );  in kf_bfly3()
220          C_ADDTO(*Fout,scratch[3]);  in kf_bfly3()
222          Fout[m2].r = Fout[m].r + scratch[0].i;  in kf_bfly3()
223          Fout[m2].i = Fout[m].i - scratch[0].r;  in kf_bfly3()
225          Fout[m].r -= scratch[0].i;  in kf_bfly3()
226          Fout[m].i += scratch[0].r;  in kf_bfly3()
246    kiss_fft_cpx scratch[13];  in kf_bfly5()  local
273          scratch[0] = *Fout0;  in kf_bfly5()
275          C_MUL(scratch[1] ,*Fout1, tw[u*fstride]);  in kf_bfly5()
276          C_MUL(scratch[2] ,*Fout2, tw[2*u*fstride]);  in kf_bfly5()
277          C_MUL(scratch[3] ,*Fout3, tw[3*u*fstride]);  in kf_bfly5()
278          C_MUL(scratch[4] ,*Fout4, tw[4*u*fstride]);  in kf_bfly5()
280          C_ADD( scratch[7],scratch[1],scratch[4]);  in kf_bfly5()
281          C_SUB( scratch[10],scratch[1],scratch[4]);  in kf_bfly5()
282          C_ADD( scratch[8],scratch[2],scratch[3]);  in kf_bfly5()
283          C_SUB( scratch[9],scratch[2],scratch[3]);  in kf_bfly5()
285          Fout0->r += scratch[7].r + scratch[8].r;  in kf_bfly5()
286          Fout0->i += scratch[7].i + scratch[8].i;  in kf_bfly5()
288          scratch[5].r = scratch[0].r + S_MUL(scratch[7].r,ya.r) + S_MUL(scratch[8].r,yb.r);  in kf_bfly5()
289          scratch[5].i = scratch[0].i + S_MUL(scratch[7].i,ya.r) + S_MUL(scratch[8].i,yb.r);  in kf_bfly5()
291          scratch[6].r =  S_MUL(scratch[10].i,ya.i) + S_MUL(scratch[9].i,yb.i);  in kf_bfly5()
292          scratch[6].i = -S_MUL(scratch[10].r,ya.i) - S_MUL(scratch[9].r,yb.i);  in kf_bfly5()
294          C_SUB(*Fout1,scratch[5],scratch[6]);  in kf_bfly5()
295          C_ADD(*Fout4,scratch[5],scratch[6]);  in kf_bfly5()
297          scratch[11].r = scratch[0].r + S_MUL(scratch[7].r,yb.r) + S_MUL(scratch[8].r,ya.r);  in kf_bfly5()
298          scratch[11].i = scratch[0].i + S_MUL(scratch[7].i,yb.r) + S_MUL(scratch[8].i,ya.r);  in kf_bfly5()
299          scratch[12].r = - S_MUL(scratch[10].i,yb.i) + S_MUL(scratch[9].i,ya.i);  in kf_bfly5()
300          scratch[12].i = S_MUL(scratch[10].r,yb.i) - S_MUL(scratch[9].r,ya.i);  in kf_bfly5()
302          C_ADD(*Fout2,scratch[11],scratch[12]);  in kf_bfly5()
303          C_SUB(*Fout3,scratch[11],scratch[12]);  in kf_bfly5()