FloatingPointComparison.h

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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2018 ISIS Rutherford Appleton Laboratory UKRI,
//   NScD Oak Ridge National Laboratory, European Spallation Source,
//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
// SPDX - License - Identifier: GPL - 3.0 +
#pragma once
 
//-----------------------------------------------------------------------------
// Includes
//-----------------------------------------------------------------------------
#include "MantidKernel/DllConfig.h"
#include "MantidKernel/V3D.h"
 
namespace Mantid {
namespace Kernel {
template <typename T> MANTID_KERNEL_DLL bool equals(T const x, T const y);
template <typename T> MANTID_KERNEL_DLL inline bool equals(T const x, T const y, std::true_type);
template <typename T> MANTID_KERNEL_DLL inline bool equals(T const x, T const y, std::false_type);
template <typename T> MANTID_KERNEL_DLL bool ltEquals(T const x, T const y);
template <typename T> MANTID_KERNEL_DLL bool gtEquals(T const x, T const y);
template <typename T> MANTID_KERNEL_DLL T absoluteDifference(T const x, T const y);
template <typename T> MANTID_KERNEL_DLL T relativeDifference(T const x, T const y);
template <typename T, typename S = T>
MANTID_KERNEL_DLL bool withinAbsoluteDifference(T const x, T const y, S const tolerance);
template <typename T, typename S = T>
MANTID_KERNEL_DLL bool withinAbsoluteDifference(T const x, T const y, S const tolerance, std::false_type);
template <typename T, typename S = T>
MANTID_KERNEL_DLL bool withinAbsoluteDifference(T const x, T const y, S const tolerance, std::true_type);
template <typename T, typename S = T>
MANTID_KERNEL_DLL bool withinRelativeDifference(T const x, T const y, S const tolerance);
template <typename T, typename S = T>
MANTID_KERNEL_DLL inline bool withinRelativeDifference(T const x, T const y, S const tolerance, std::false_type);
template <typename T, typename S = T>
MANTID_KERNEL_DLL inline bool withinRelativeDifference(T const x, T const y, S const tolerance, std::true_type);
} // namespace Kernel
} // namespace Mantid