3 * Copyright (C) 1996, 1997, 1998, 1999, 2000 Gerard Jungman
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 3 of the License, or (at
8 * your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
24 INDEX ix = OFFSET(N, incX);
25 INDEX iy = OFFSET(N, incY);
26 for (i = 0; i < N; i++) {
27 const BASE x_real = CONST_REAL(X, ix);
28 const BASE x_imag = CONST_IMAG(X, ix);
29 const BASE y_real = CONST_REAL(Y, iy);
30 const BASE y_imag = CONST_IMAG(Y, iy);
31 r_real += x_real * y_real - CONJ_SIGN * x_imag * y_imag;
32 r_imag += x_real * y_imag + CONJ_SIGN * x_imag * y_real;
36 REAL0(result) = r_real;
37 IMAG0(result) = r_imag;