defines.hpp

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//============================================================================
// vSMC/include/vsmc/internal/defines.hpp
//----------------------------------------------------------------------------
//                         vSMC: Scalable Monte Carlo
//----------------------------------------------------------------------------
// Copyright (c) 2013,2014, Yan Zhou
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//   Redistributions of source code must retain the above copyright notice,
//   this list of conditions and the following disclaimer.
//
//   Redistributions in binary form must reproduce the above copyright notice,
//   this list of conditions and the following disclaimer in the documentation
//   and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//============================================================================

#ifndef VSMC_INTERNAL_DEFINES_HPP
#define VSMC_INTERNAL_DEFINES_HPP

#include <vsmc/internal/config.hpp>

#define VSMC_MNE

#if VSMC_NO_RUNTIME_ASSERT
#define VSMC_CRTP_DESTRUCTOR_PREFIX
#else
#define VSMC_CRTP_DESTRUCTOR_PREFIX virtual
#endif

#if VSMC_HAS_CXX11_CONSTEXPR
#define VSMC_CONSTEXPR constexpr
#else
#define VSMC_CONSTEXPR
#endif

#if VSMC_HAS_CXX11_EXPLICIT_CONVERSIONS
#define VSMC_EXPLICIT_OPERATOR explicit
#else
#define VSMC_EXPLICIT_OPERATOR
#endif

#if VSMC_HAS_CXX11_NOEXCEPT
#define VSMC_NOEXCEPT noexcept
#else
#define VSMC_NOEXCEPT throw()
#endif

#if VSMC_HAS_CXX11_NULLPTR && VSMC_HAS_CXX11LIB_FUNCTIONAL
#define VSMC_NULLPTR nullptr
#else
#define VSMC_NULLPTR 0
#endif

namespace vsmc {

enum SIMD {SSE2, SSE3, SSSE3, SSE4_1, SSE4_2, AVX, AVX2};

enum {
    Dynamic = 0 
}; // enum Dynamic

enum MatrixOrder {
    RowMajor = 101, 
    ColMajor = 102  
}; // enum MatrixOrder

struct Scalar
{
    static VSMC_CONSTEXPR const bool is_scalar = true;
    static VSMC_CONSTEXPR const bool is_vector = false;
}; // struct Scalar

struct Vector
{
    static VSMC_CONSTEXPR const bool is_scalar = false;
    static VSMC_CONSTEXPR const bool is_vector = true;
}; // struct Vector

template <std::size_t N>
struct Position
{
    typedef std::size_t size_type;
    typedef Position<N> type;
    static VSMC_CONSTEXPR const size_type value = N;
    VSMC_CONSTEXPR operator size_type () const {return value;}
    VSMC_CONSTEXPR size_type operator() () const {return value;}
}; // struct Position

} // namespace vsmc

#endif // VSMC_INTERNAL_DEFINES_HPP