1 files changed, 157 insertions, 0 deletions
diff --git a/gsl-1.9/matrix/file_source.c b/gsl-1.9/matrix/file_source.c
new file mode 100644
index 0000000..7a715db
--- /dev/null
+++ b/gsl-1.9/matrix/file_source.c
@@ -0,0 +1,157 @@
+/* matrix/file_source.c
+ * 
+ * Copyright (C) 1996, 1997, 1998, 1999, 2000 Gerard Jungman, 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, fread) (FILE * stream, TYPE (gsl_matrix) * m)
+{
+  int status = 0;
+
+  const size_t size1 = m->size1; 
+  const size_t size2 = m->size2;
+
+  const size_t tda = m->tda;
+
+  if (tda == size2) /* the rows are contiguous */
+    {
+      status = FUNCTION (gsl_block, raw_fread) (stream, 
+                                                m->data, 
+                                                size1 * size2, 1);
+    }
+  else
+    {
+      size_t i;
+
+      for (i = 0 ; i < size1 ; i++)  /* read each row separately */
+        {
+          status = FUNCTION (gsl_block, raw_fread) (stream, 
+                                                    m->data + i * tda, 
+                                                    size2, 1);
+          if (status)
+            break;
+        }
+    }
+
+  return status;
+}
+
+int
+FUNCTION (gsl_matrix, fwrite) (FILE * stream, const TYPE (gsl_matrix) * m)
+{
+  int status = 0;
+
+  const size_t size1 = m->size1; 
+  const size_t size2 = m->size2;
+
+  const size_t tda = m->tda;
+
+  if (tda == size2) /* the rows are contiguous */
+    {
+      status = FUNCTION (gsl_block, raw_fwrite) (stream, 
+                                                 m->data, 
+                                                 size1 * size2, 1);
+    }
+  else
+    {
+      size_t i;
+
+      for (i = 0 ; i < size1 ; i++)  /* write each row separately */
+        {
+          status = FUNCTION (gsl_block, raw_fwrite) (stream, 
+                                                     m->data + i * tda, 
+                                                     size2, 1);
+          if (status)
+            break;
+        }
+    }
+
+  return status;
+
+}
+
+#if !(USES_LONGDOUBLE && !HAVE_PRINTF_LONGDOUBLE)
+int
+FUNCTION (gsl_matrix, fprintf) (FILE * stream, const TYPE (gsl_matrix) * m,
+                                const char *format)
+{
+  int status = 0;
+
+  const size_t size1 = m->size1; 
+  const size_t size2 = m->size2;
+
+  const size_t tda = m->tda;
+
+  if (tda == size2) /* the rows are contiguous */
+    {
+      status = FUNCTION (gsl_block, raw_fprintf) (stream, 
+                                                  m->data, 
+                                                  size1 * size2, 1,
+                                                  format);
+    }
+  else
+    {
+      size_t i;
+
+      for (i = 0 ; i < size1 ; i++)  /* print each row separately */
+        {
+          status = FUNCTION (gsl_block, raw_fprintf) (stream, 
+                                                      m->data + i * tda, 
+                                                      size2, 1,
+                                                      format);
+          if (status)
+            break;
+        }
+    }
+
+  return status;
+}
+
+int
+FUNCTION (gsl_matrix, fscanf) (FILE * stream, TYPE (gsl_matrix) * m)
+{
+  int status = 0;
+
+  const size_t size1 = m->size1; 
+  const size_t size2 = m->size2;
+
+  const size_t tda = m->tda;
+
+  if (tda == size2)  /* the rows are contiguous */
+    {
+      status = FUNCTION (gsl_block, raw_fscanf) (stream, 
+                                                 m->data, 
+                                                 size1 * size2, 1);
+    }
+  else
+    {
+      size_t i;
+
+      for (i = 0 ; i < size1 ; i++)  /* scan each row separately */
+        {
+          status = FUNCTION (gsl_block, raw_fscanf) (stream, 
+                                                     m->data + i * tda, 
+                                                     size2, 1);
+          if (status)
+            break;
+        }
+    }
+
+  return status;
+}
+#endif
+