Lines Matching refs:n2
97 int k, n8, n4, n2, n, j;
105 n2 = n >> 1;
111 in2 = input + n2 - 1;
141 int n2 = n >> 1;
147 output[k] = -output[n2-k-1];
148 output[n-k-1] = output[n2+k];
159 int i, j, n, n8, n4, n2, n3;
167 n2 = n >> 1;
179 re = RSCALE( input[2*i] - input[n2-1-2*i]);
180 im = RSCALE(-input[n2+2*i] - input[ n-1-2*i]);