MultipleScatteringUpdator.cxx File Reference

#include "TrkExTools/MultipleScatteringUpdator.h"
#include "TrkGeometry/MaterialProperties.h"
#include "TrkExUtils/MaterialInteraction.h"
#include "AthenaKernel/RNGWrapper.h"
#include "GaudiKernel/ThreadLocalContext.h"
#include "CLHEP/Random/RandFlat.h"
#include "CxxUtils/checker_macros.h"
#include "CxxUtils/close_to_zero.h"

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Functions
template<typename T>
bool	close_to_zero (T value, T eps=std::numeric_limits< T >::epsilon())

Function Documentation

close_to_zero()

template<typename T>

bool CxxUtils::close_to_zero	(	T	value,
		T	eps = std::numeric_limits<T>::epsilon() )

Definition at line 48 of file close_to_zero.h.

                                                                     {
    if constexpr (std::is_integral_v<T>) {
      // For integers, only exact zero is invalid
      return value == 0;
    } else if constexpr (std::is_floating_point_v<T>) {
      return std::abs(value) < eps;
    } else {
      static_assert(std::is_arithmetic_v<T>, "close_to_zero: Only arithmetic types supported");
      return false;
    }
  }