1 /* blas/source_scal_c.h
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.
23 const BASE alpha_real = CONST_REAL0(alpha);
24 const BASE alpha_imag = CONST_IMAG0(alpha);
32 for (i = 0; i < N; i++) {
33 const BASE x_real = REAL(X, ix);
34 const BASE x_imag = IMAG(X, ix);
35 REAL(X, ix) = x_real * alpha_real - x_imag * alpha_imag;
36 IMAG(X, ix) = x_real * alpha_imag + x_imag * alpha_real;