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D:/Projekt/ECF_trunk/examples/GPNN/IfBetter.h

00001 #include "EvalOp.h"
00002 
00003 
00007 class IfBetter : public Tree::Primitives::Primitive
00008 {
00009 public:
00010     IfBetter()
00011     {
00012         nArguments_ = 2;
00013         name_ = "ifb";
00014     }
00015 
00016     void execute(void* result, Tree::Tree& tree)
00017     {
00018         // get pointer to network from the context
00019         Network* net = (Network*) state_->getContext()->environment;
00020 
00021         // query the network: is the new error better?
00022         if(net->ifBetter()) {
00023             // if yes, execute the first subtree
00024             getNextArgument(result, tree);
00025             // and skip the second one
00026             skipNextArgument(tree);
00027         } else {
00028             // otherwise...
00029             skipNextArgument(tree);
00030             getNextArgument(result, tree);
00031         }
00032     }
00033 
00034     ~IfBetter()
00035     {   }
00036 };

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