diff options
Diffstat (limited to 'gsl-1.9/cblas/source_gerc.h')
-rw-r--r-- | gsl-1.9/cblas/source_gerc.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/gsl-1.9/cblas/source_gerc.h b/gsl-1.9/cblas/source_gerc.h new file mode 100644 index 0000000..3ee58bc --- /dev/null +++ b/gsl-1.9/cblas/source_gerc.h @@ -0,0 +1,63 @@ +/* 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"); + } +} |