git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@8693 f3b2605a-c512-4ea7-a41b-209d697bcdaa

lib/gpu/geryon/ucl_d_vec.h

@@ -340,6 +340,39 @@ class UCL_D_Vec : public UCL_BaseMat {
   inline void clear() 
     { if (_kind!=UCL_VIEW) { _cols=0; _kind=UCL_VIEW; _device_free(*this); } }
 
+  /// Resize the allocation to contain cols elements
+  /** \note Cannot be used on views **/
+  inline int resize(const int cols) {
+    assert(_kind!=UCL_VIEW);
+
+    _row_bytes=cols*sizeof(numtyp);
+    int err=_device_resize(*this,_row_bytes);
+    if (err!=UCL_SUCCESS) {
+      #ifndef UCL_NO_EXIT
+      std::cerr << "UCL Error: Could not allocate " << _row_bytes
+                << " bytes on device.\n";
+      _row_bytes=0;
+      UCL_GERYON_EXIT;
+      #endif
+      _row_bytes=0;
+      return err;
+    }
+
+    _cols=cols;
+    #ifndef _UCL_DEVICE_PTR_MAT
+    _end=_array+cols;
+    #endif
+    #ifdef _OCL_MAT
+    _offset=0;
+    #endif
+    return err; 
+  }
+    
+  /// Resize (only if bigger) the allocation to contain cols elements
+  /** \note Cannot be used on views **/
+  inline int resize_ib(const int cols)
+    { if (cols>_cols) return resize(cols); else return UCL_SUCCESS; }
+
   /// Set each element to zero
   inline void zero() { _device_zero(*this,row_bytes()); }
 
@@ -353,13 +386,13 @@ class UCL_D_Vec : public UCL_BaseMat {
   inline const device_ptr & begin() const { return _array; }
   #else
   /// For CUDA-RT, get device pointer to first element
-  inline numtyp * begin() { return _array; }
+  inline numtyp * & begin() { return _array; }
   /// For CUDA-RT, get device pointer to first element
-  inline const numtyp * begin() const { return _array; }
+  inline numtyp * const & begin() const { return _array; }
   /// For CUDA-RT, get device pointer to one past last element
   inline numtyp * end() { return _end; }
   /// For CUDA-RT, get device pointer to one past last element
-  inline const numtyp * end() const { return _end; }
+  inline numtyp * end() const { return _end; }
   #endif
   
   #ifdef _UCL_DEVICE_PTR_MAT