1 files changed, 36 insertions, 0 deletions
diff --git a/dot_vim/c-support/codesnippets/calloc_double_matrix.c b/dot_vim/c-support/codesnippets/calloc_double_matrix.c
new file mode 100644
index 0000000..ec71658
--- /dev/null
+++ b/dot_vim/c-support/codesnippets/calloc_double_matrix.c
@@ -0,0 +1,36 @@
+
+/* 
+ * ===  FUNCTION  ======================================================================
+ *         Name:  calloc_double_matrix
+ *  Description:  Allocate a dynamic double-matrix of size rows*columns;
+ *                return a pointer.
+ * =====================================================================================
+ */
+  double**
+calloc_double_matrix ( int rows, int columns )
+{
+  int      i;
+  double **m;
+  m     = calloc ( rows, sizeof(double*) );       /* allocate pointer array     */
+  assert( m != NULL);                             /* abort if allocation failed */
+  *m    = calloc ( rows*columns, sizeof(double) );/* allocate data array        */
+  assert(*m != NULL);                             /* abort if allocation failed */
+  for ( i=1; i<rows; i+=1 )                       /* set pointers               */
+    m[i]  = m[i-1] + columns;
+  return m;
+}  /* ----------  end of function calloc_double_matrix  ---------- */
+
+/* 
+ * ===  FUNCTION  ======================================================================
+ *         Name:  free_matrix_double
+ *  Description:  Free a dynamic double-matrix.
+ * =====================================================================================
+ */
+  void
+free_double_matrix ( double **m )
+{
+  free(*m);                                       /* free data array            */
+  free( m);                                       /* free pointer array         */
+  return ;
+}  /* ----------  end of function free_double_matrix  ---------- */
+