callBackExample.cpp

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#include <functional>  // for function
#include <vector>      // for vector
 
#include "ElementsKernel/Logging.h"  // for Logging
 
#include "ElementsExamples/callBackExample.h"
 
using std::vector;
 
namespace Elements {
namespace Examples {
 
double testCallBack(vector<double> x, const std::function<double(vector<double>)>& fun) {
 
  auto log = Logging::getLogger("ElementsExamples");
 
  log.info() << "Calling the Python function from C++";
 
  double f = fun(x);
 
  log.info() << "The value of the function is " << f;
 
  log.info() << "Returning the result";
 
  return (f);
}
 
}  // namespace Examples
}  // namespace Elements