diff options
Diffstat (limited to 'gsl-1.9/cblas/source_dot_c.h')
-rw-r--r-- | gsl-1.9/cblas/source_dot_c.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/gsl-1.9/cblas/source_dot_c.h b/gsl-1.9/cblas/source_dot_c.h new file mode 100644 index 0000000..062040f --- /dev/null +++ b/gsl-1.9/cblas/source_dot_c.h @@ -0,0 +1,38 @@ +/* blas/source_dot_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 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. + */ + +{ + BASE r_real = 0.0; + BASE r_imag = 0.0; + INDEX i; + INDEX ix = OFFSET(N, incX); + INDEX iy = OFFSET(N, incY); + for (i = 0; i < N; i++) { + const BASE x_real = CONST_REAL(X, ix); + const BASE x_imag = CONST_IMAG(X, ix); + const BASE y_real = CONST_REAL(Y, iy); + const BASE y_imag = CONST_IMAG(Y, iy); + r_real += x_real * y_real - CONJ_SIGN * x_imag * y_imag; + r_imag += x_real * y_imag + CONJ_SIGN * x_imag * y_real; + ix += incX; + iy += incY; + } + REAL0(result) = r_real; + IMAG0(result) = r_imag; +} |