ceph/src/boost/libs/yap/example/autodiff_library/OPNode.cpp

   1 /*
   2  * OpNode.cpp
   3  *
   4  *  Created on: 8 Apr 2013
   5  *      Author: s0965328
   6  */
   7
   8 #include "OPNode.h"
   9 #include "Stack.h"
  10 #include "Tape.h"
  11 #include "PNode.h"
  12 /***********************************************************
  13              h
  14             / \
  15            u   v  ----- hu  hv represent dh/du dh/dv resepectively.
  16            - - -
  17           x1....xn
  18 ***********************************************************/
  19
  20 namespace AutoDiff{
  21
  22 OPNode::OPNode(OPCODE op, Node* left) : ActNode(), op(op), left(left),val(NaN_Double) {
  23 }
  24
  25 TYPE OPNode::getType()
  26 {
  27         return OPNode_Type;
  28 }
  29
  30 OPNode::~OPNode() {
  31         if(left->getType()!=VNode_Type)
  32         {
  33                 delete left;
  34                 this->left = NULL;
  35         }
  36 }
  37 }