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CppNDEBUG

(C/C++) NDEBUG

#define used for debugging.

It is used commonly for removing assert statements, but also for similar debugging checks.

  1. define NDEBUG
  2. include <iostream>
  3. include <vector>
  4. include <assert.h>
int main() { //Common assert statement assert(2==3); //Of course, this is never true //Similar debugging check std::vector<double> myVector(10);
      1. ifdef NDEBUG
//The statement below is a sleeping error myVector[10]=69.69; //Performs NO range check -> unsafe, quick
      1. else
myVector.at(10)=69.69; //Performs range check -> safe, slow
      1. endif
return 0; }


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last edited (November 6, 2006) by bilderbikkel, Number of views: 3918, Current Rev: 7 (Diff)

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