| /* blas/source_gerc.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 2 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, j; |
| |
| const BASE alpha_real = CONST_REAL0(alpha); |
| const BASE alpha_imag = CONST_IMAG0(alpha); |
| |
| if (order == CblasRowMajor) { |
| INDEX ix = OFFSET(M, incX); |
| for (i = 0; i < M; i++) { |
| const BASE X_real = CONST_REAL(X, ix); |
| const BASE X_imag = CONST_IMAG(X, ix); |
| const BASE tmp_real = alpha_real * X_real - alpha_imag * X_imag; |
| const BASE tmp_imag = alpha_imag * X_real + alpha_real * X_imag; |
| INDEX jy = OFFSET(N, incY); |
| for (j = 0; j < N; j++) { |
| const BASE Y_real = CONST_REAL(Y, jy); |
| const BASE Y_imag = -CONST_IMAG(Y, jy); |
| REAL(A, lda * i + j) += Y_real * tmp_real - Y_imag * tmp_imag; |
| IMAG(A, lda * i + j) += Y_imag * tmp_real + Y_real * tmp_imag; |
| jy += incY; |
| } |
| ix += incX; |
| } |
| } else if (order == CblasColMajor) { |
| INDEX jy = OFFSET(N, incY); |
| for (j = 0; j < N; j++) { |
| const BASE Y_real = CONST_REAL(Y, jy); |
| const BASE Y_imag = -CONST_IMAG(Y, jy); |
| const BASE tmp_real = alpha_real * Y_real - alpha_imag * Y_imag; |
| const BASE tmp_imag = alpha_imag * Y_real + alpha_real * Y_imag; |
| INDEX ix = OFFSET(M, incX); |
| for (i = 0; i < M; i++) { |
| const BASE X_real = CONST_REAL(X, ix); |
| const BASE X_imag = CONST_IMAG(X, ix); |
| REAL(A, i + lda * j) += X_real * tmp_real - X_imag * tmp_imag; |
| IMAG(A, i + lda * j) += X_imag * tmp_real + X_real * tmp_imag; |
| ix += incX; |
| } |
| jy += incY; |
| } |
| } else { |
| BLAS_ERROR("unrecognized operation"); |
| } |
| } |