Lines Matching refs:N4
123 int N, N2, N4; in clt_mdct_forward_c() local
146 N4 = N>>2; in clt_mdct_forward_c()
149 ALLOC(f2, N4, kiss_fft_cpx); in clt_mdct_forward_c()
172 for(;i<N4-((overlap+3)>>2);i++) in clt_mdct_forward_c()
180 for(;i<N4;i++) in clt_mdct_forward_c()
195 for(i=0;i<N4;i++) in clt_mdct_forward_c()
201 t1 = t[N4+i]; in clt_mdct_forward_c()
225 for(i=0;i<N4;i++) in clt_mdct_forward_c()
228 yr = S_MUL(fp->i,t[N4+i]) - S_MUL(fp->r,t[i]); in clt_mdct_forward_c()
229 yi = S_MUL(fp->r,t[N4+i]) + S_MUL(fp->i,t[i]); in clt_mdct_forward_c()
246 int N, N2, N4; in clt_mdct_backward_c() local
258 N4 = N>>2; in clt_mdct_backward_c()
268 for(i=0;i<N4;i++) in clt_mdct_backward_c()
273 yr = ADD32_ovflw(S_MUL(*xp2, t[i]), S_MUL(*xp1, t[N4+i])); in clt_mdct_backward_c()
274 yi = SUB32_ovflw(S_MUL(*xp1, t[i]), S_MUL(*xp2, t[N4+i])); in clt_mdct_backward_c()
294 for(i=0;i<(N4+1)>>1;i++) in clt_mdct_backward_c()
302 t1 = t[N4+i]; in clt_mdct_backward_c()
312 t0 = t[(N4-i-1)]; in clt_mdct_backward_c()