RoundToNearestIntegralReg.h

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// RoundToNearestIntegralReg.h:
// -------------------
//

#ifndef __IPSDKUTIL_INSTRUCTIONSET_ARITHMETIC_DETAIL_STD_ROUNDTONEARESTINTEGRALREG_H__
#define __IPSDKUTIL_INSTRUCTIONSET_ARITHMETIC_DETAIL_STD_ROUNDTONEARESTINTEGRALREG_H__

#include <IPSDKUtil/IPSDKUtilExports.h>
#include <IPSDKUtil/Tools/ForceInline.h>

#if __cplusplus > 199711L || (defined(_MSC_VER) && _MSC_VER >= 1800)  // C++ 11 support
#include <cmath>
#else
#include <boost/math/special_functions/round.hpp>
#endif

namespace ipsdk {
namespace simd {
namespace detail {


template <>
struct RoundToNearestIntegralReg<eInstructionSet::eIS_Standard, ipReal32>
{
    static IPSDK_FORCEINLINE
    ipReal32
    act(const ipReal32& in)
    {
        ipReal32 out;
        act(in, out);
        return out;
    }

    static IPSDK_FORCEINLINE
    void
    act(const ipReal32& in, ipReal32& out)
    {
#if __cplusplus > 199711L || (defined(_MSC_VER) && _MSC_VER >= 1800)  // C++ 11 support
        out = std::round(in);
#else
        out = boost::math::round(in);
#endif
    }
};


} // end of namespace detail
} // end of namespace simd
} // end of namespace ipsdk

#endif // __IPSDKUTIL_INSTRUCTIONSET_ARITHMETIC_DETAIL_STD_ROUNDTONEARESTINTEGRALREG_H__