common.h

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//============================================================================
// vSMC/include/vsmc/rng/internal/common.h
//----------------------------------------------------------------------------
//                         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_RNG_INTERNAL_COMMON_H
#define VSMC_RNG_INTERNAL_COMMON_H

#ifdef __OPENCL_VERSION__
  #ifndef VSMC_HAS_OPENCL_DOUBLE
  #define VSMC_HAS_OPENCL_DOUBLE 0
  #endif
  #ifndef UINT64_C
  #define UINT64_C(x) ((ulong)(x##UL))
  #endif
  #ifndef VSMC_STATIC_INLINE
  #if defined(__OPENCL_C_VERSION__) && __OPENCL_C_VERSION__ >= 120
    #define VSMC_STATIC_INLINE static inline
  #else
    #define VSMC_STATIC_INLINE inline
  #endif
  #endif // VSMC_STATIC_INLINE
#else // __OPENCL_VERSION__
  #ifndef VSMC_HAS_OPENCL_DOUBLE
  #define VSMC_HAS_OPENCL_DOUBLE 1
  #endif
  #ifndef __STDC_CONSTANT_MACROS
  #define __STDC_CONSTANT_MACROS
  #endif
  #include <stdint.h>
  #ifndef UINT64_C
  #error __STDC_CONSTANT_MACROS not defined before #include<stdint.h>
  #endif
  #ifdef __cplusplus
    #ifndef VSMC_STATIC_INLINE
    #define VSMC_STATIC_INLINE inline
    #endif
    #include <cmath>
  #else // __cplusplus
    #ifndef VSMC_STATIC_INLINE
    #if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
      #define VSMC_STATIC_INLINE static inline
    #else
      #define VSMC_STATIC_INLINE static
    #endif
    #endif // VSMC_STATIC_INLINE
    #include <math.h>
  #endif // __cplusplus
#endif // __OPENCL_VERSION__

#endif // VSMC_RNG_INTERNAL_COMMON_H