simd_cast.h

/*  This file is part of the Vc library. {{{
Copyright © 2014-2015 Matthias Kretz <kretz@kde.org>
 
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#ifndef VC_COMMON_SIMD_CAST_H_
#define VC_COMMON_SIMD_CAST_H_
 
#include <type_traits>
#include "macros.h"
 
// declare a bogus simd_cast function template in the global namespace to enable ADL for
// simd_cast<T>
template <class> void simd_cast();
 
namespace Vc_VERSIONED_NAMESPACE
{
template <typename To, typename From>
Vc_INTRINSIC Vc_CONST To
simd_cast(From &&x, enable_if<std::is_same<To, Traits::decay<From>>::value> = nullarg)
{
    return std::forward<From>(x);
}
 
template <typename To> Vc_INTRINSIC Vc_CONST To simd_cast() { return To(); }
 
}  // namespace Vc
 
#endif // VC_COMMON_SIMD_CAST_H_