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- /* blas/source_scal_c.h
- *
- * Copyright (C) 1996, 1997, 1998, 1999, 2000 Gerard Jungman
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or (at
- * your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- */
- {
- INDEX i;
- INDEX ix;
- const BASE alpha_real = CONST_REAL0(alpha);
- const BASE alpha_imag = CONST_IMAG0(alpha);
- if (incX <= 0) {
- return;
- }
- ix = OFFSET(N, incX);
- for (i = 0; i < N; i++) {
- const BASE x_real = REAL(X, ix);
- const BASE x_imag = IMAG(X, ix);
- REAL(X, ix) = x_real * alpha_real - x_imag * alpha_imag;
- IMAG(X, ix) = x_real * alpha_imag + x_imag * alpha_real;
- ix += incX;
- }
- }
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