1 files changed, 66 insertions, 0 deletions
diff --git a/gsl-1.9/cblas/source_spr2.h b/gsl-1.9/cblas/source_spr2.h
new file mode 100644
index 0000000..2e48fba
--- /dev/null
+++ b/gsl-1.9/cblas/source_spr2.h
@@ -0,0 +1,66 @@
+/* blas/source_spr2.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;
+
+  if (N == 0)
+    return;
+
+  if (alpha == 0.0)
+    return;
+
+  if ((order == CblasRowMajor && Uplo == CblasUpper)
+      || (order == CblasColMajor && Uplo == CblasLower)) {
+    INDEX ix = OFFSET(N, incX);
+    INDEX iy = OFFSET(N, incY);
+    for (i = 0; i < N; i++) {
+      const BASE tmp1 = alpha * X[ix];
+      const BASE tmp2 = alpha * Y[iy];
+      INDEX jx = ix;
+      INDEX jy = iy;
+      for (j = i; j < N; j++) {
+        Ap[TPUP(N, i, j)] += tmp1 * Y[jy] + tmp2 * X[jx];
+        jx += incX;
+        jy += incY;
+      }
+      ix += incX;
+      iy += incY;
+    }
+  } else if ((order == CblasRowMajor && Uplo == CblasLower)
+             || (order == CblasColMajor && Uplo == CblasUpper)) {
+    INDEX ix = OFFSET(N, incX);
+    INDEX iy = OFFSET(N, incY);
+    for (i = 0; i < N; i++) {
+      const BASE tmp1 = alpha * X[ix];
+      const BASE tmp2 = alpha * Y[iy];
+      INDEX jx = OFFSET(N, incX);
+      INDEX jy = OFFSET(N, incY);
+      for (j = 0; j <= i; j++) {
+        Ap[TPLO(N, i, j)] += tmp1 * Y[jy] + tmp2 * X[jx];
+        jx += incX;
+        jy += incY;
+      }
+      ix += incX;
+      iy += incY;
+    }
+  } else {
+    BLAS_ERROR("unrecognized operation");
+  }
+}