HigherPrecision.h

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/*
    Copyright (C) 2024, University College London
    This file is part of STIR.
 
    SPDX-License-Identifier: Apache-2.0 AND License-ref-PARAPET-license
 
    See STIR/LICENSE.txt for details
*/
#ifndef __stir_HigherPrecision__H__
#define __stir_HigherPrecision__H__
 
#include "stir/common.h"
#include <complex>
 
START_NAMESPACE_STIR


template <class T>
struct HigherPrecision
{
  typedef T type;
};
 
template <>
struct HigherPrecision<float>
{
  typedef double type;
};
 
template <>
struct HigherPrecision<double>
{
  typedef long double type;
};
 
template <class T>
struct HigherPrecision<std::complex<T>>
{
  typedef std::complex<typename HigherPrecision<T>::type> type;
};
 
END_NAMESPACE_STIR
 
#endif