1 files changed, 191 insertions, 0 deletions
diff --git a/gsl-1.9/matrix/oper_source.c b/gsl-1.9/matrix/oper_source.c
new file mode 100644
index 0000000..d20b3e0
--- /dev/null
+++ b/gsl-1.9/matrix/oper_source.c
@@ -0,0 +1,191 @@
+/* matrix/oper_source.c
+ * 
+ * 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.
+ */
+
+int 
+FUNCTION(gsl_matrix, add) (TYPE(gsl_matrix) * a, const TYPE(gsl_matrix) * b)
+{
+  const size_t M = a->size1;
+  const size_t N = a->size2;
+
+  if (b->size1 != M || b->size2 != N)
+    {
+      GSL_ERROR ("matrices must have same dimensions", GSL_EBADLEN);
+    }
+  else 
+    {
+      const size_t tda_a = a->tda;
+      const size_t tda_b = b->tda;
+
+      size_t i, j;
+
+      for (i = 0; i < M; i++)
+        {
+          for (j = 0; j < N; j++)
+            {
+              a->data[i * tda_a + j] += b->data[i * tda_b + j];
+            }
+        }
+      
+      return GSL_SUCCESS;
+    }
+}
+
+int 
+FUNCTION(gsl_matrix, sub) (TYPE(gsl_matrix) * a, const TYPE(gsl_matrix) * b)
+{
+  const size_t M = a->size1;
+  const size_t N = a->size2;
+
+  if (b->size1 != M || b->size2 != N)
+    {
+      GSL_ERROR ("matrices must have same dimensions", GSL_EBADLEN);
+    }
+  else 
+    {
+      const size_t tda_a = a->tda;
+      const size_t tda_b = b->tda;
+
+      size_t i, j;
+
+      for (i = 0; i < M; i++)
+        {
+          for (j = 0; j < N; j++)
+            {
+              a->data[i * tda_a + j] -= b->data[i * tda_b + j];
+            }
+        }
+      
+      return GSL_SUCCESS;
+    }
+}
+
+int 
+FUNCTION(gsl_matrix, mul_elements) (TYPE(gsl_matrix) * a, const TYPE(gsl_matrix) * b)
+{
+  const size_t M = a->size1;
+  const size_t N = a->size2;
+
+  if (b->size1 != M || b->size2 != N)
+    {
+      GSL_ERROR ("matrices must have same dimensions", GSL_EBADLEN);
+    }
+  else 
+    {
+      const size_t tda_a = a->tda;
+      const size_t tda_b = b->tda;
+
+      size_t i, j;
+
+      for (i = 0; i < M; i++)
+        {
+          for (j = 0; j < N; j++)
+            {
+              a->data[i * tda_a + j] *= b->data[i * tda_b + j];
+            }
+        }
+      
+      return GSL_SUCCESS;
+    }
+}
+
+int 
+FUNCTION(gsl_matrix, div_elements) (TYPE(gsl_matrix) * a, const TYPE(gsl_matrix) * b)
+{
+  const size_t M = a->size1;
+  const size_t N = a->size2;
+
+  if (b->size1 != M || b->size2 != N)
+    {
+      GSL_ERROR ("matrices must have same dimensions", GSL_EBADLEN);
+    }
+  else 
+    {
+      const size_t tda_a = a->tda;
+      const size_t tda_b = b->tda;
+
+      size_t i, j;
+
+      for (i = 0; i < M; i++)
+        {
+          for (j = 0; j < N; j++)
+            {
+              a->data[i * tda_a + j] /= b->data[i * tda_b + j];
+            }
+        }
+      
+      return GSL_SUCCESS;
+    }
+}
+
+int 
+FUNCTION(gsl_matrix, scale) (TYPE(gsl_matrix) * a, const double x)
+{
+  const size_t M = a->size1;
+  const size_t N = a->size2;
+  const size_t tda = a->tda;
+  
+  size_t i, j;
+  
+  for (i = 0; i < M; i++)
+    {
+      for (j = 0; j < N; j++)
+        {
+          a->data[i * tda + j] *= x;
+        }
+    }
+  
+  return GSL_SUCCESS;
+}
+
+int 
+FUNCTION(gsl_matrix, add_constant) (TYPE(gsl_matrix) * a, const double x)
+{
+  const size_t M = a->size1;
+  const size_t N = a->size2;
+  const size_t tda = a->tda;
+
+  size_t i, j;
+
+  for (i = 0; i < M; i++)
+    {
+      for (j = 0; j < N; j++)
+        {
+          a->data[i * tda + j] += x;
+        }
+    }
+  
+  return GSL_SUCCESS;
+}
+
+
+int 
+FUNCTION(gsl_matrix, add_diagonal) (TYPE(gsl_matrix) * a, const double x)
+{
+  const size_t M = a->size1;
+  const size_t N = a->size2;
+  const size_t tda = a->tda;
+  const size_t loop_lim = ( M < N ? M : N );
+  size_t i;
+  for (i = 0; i < loop_lim; i++)
+  {
+    a->data[i * tda + i] += x;
+  }
+
+  return GSL_SUCCESS;
+}