1 files changed, 58 insertions, 0 deletions
diff --git a/gsl-1.9/cblas/source_rotm.h b/gsl-1.9/cblas/source_rotm.h
new file mode 100644
index 0000000..942616a
--- /dev/null
+++ b/gsl-1.9/cblas/source_rotm.h
@@ -0,0 +1,58 @@
+/* blas/source_rotmg.h
+ * 
+ * Copyright (C) 1996, 1997, 1998, 1999, 2000 Brian Gough
+ * 
+ * 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 n;
+  INDEX i = OFFSET(N, incX);
+  INDEX j = OFFSET(N, incY);
+
+  BASE h11, h21, h12, h22;
+
+  if (P[0] == -1.0) {
+    h11 = P[1];
+    h21 = P[2];
+    h12 = P[3];
+    h22 = P[4];
+  } else if (P[0] == 0.0) {
+    h11 = 1.0;
+    h21 = P[2];
+    h12 = P[3];
+    h22 = 1.0;
+  } else if (P[0] == 1.0) {
+    h11 = P[1];
+    h21 = -1.0;
+    h12 = 1.0;
+    h22 = P[4];
+  } else if (P[0] == -2.0) {
+    return;
+  } else {
+    BLAS_ERROR("unrecognized value of P[0]");
+    return;
+  }
+
+  for (n = 0; n < N; n++) {
+    const BASE w = X[i];
+    const BASE z = Y[j];
+    X[i] = h11 * w + h12 * z;
+    Y[j] = h21 * w + h22 * z;
+    i += incX;
+    j += incY;
+  }
+
+}