InDetMaterialManager.cxx File Reference

#include "InDetGeoModelUtils/InDetMaterialManager.h"
#include "InDetGeoModelUtils/InDetDDAthenaComps.h"
#include "GeoModelInterfaces/StoredMaterialManager.h"
#include "GeoModelKernel/GeoIntrusivePtr.h"
#include "GeoModelKernel/GeoMaterial.h"
#include "GeoModelKernel/GeoElement.h"
#include "GeoModelKernel/Units.h"
#include "GaudiKernel/SystemOfUnits.h"
#include "RDBAccessSvc/IRDBRecordset.h"
#include "RDBAccessSvc/IRDBRecord.h"
#include "GeometryDBSvc/IGeometryDBSvc.h"
#include "StoreGate/StoreGateSvc.h"
#include "CxxUtils/close_to_zero.h"
#include <iostream>
#include <iomanip>
#include <cmath>
#include <stdexcept>

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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;
    }
  }