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-rw-r--r--gsl-1.9/cblas/source_dot_c.h38
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
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+/* 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;
+}