isaac_defines.hpp

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/* This file is part of ISAAC.
 *
 * ISAAC is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * ISAAC is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with ISAAC.  If not, see <www.gnu.org/licenses/>. */

#pragma once

#include <boost/preprocessor.hpp>

#ifndef ISAAC_VECTOR_ELEM
    #define ISAAC_VECTOR_ELEM 2
#endif

#ifndef ISAAC_MAX_DIFFERENCE
    #define ISAAC_MAX_DIFFERENCE 4
#endif

#ifndef ISAAC_MAX_FUNCTORS
    #define ISAAC_MAX_FUNCTORS 3
#endif

// ISAAC_FUNCTOR_COUNT ^ ISAAC_MAX_FUNCTORS
#define ISAAC_FUNCTOR_COMPLEX_SUBDEF(Z,I,U) * ISAAC_FUNCTOR_COUNT
#define ISAAC_FUNCTOR_COMPLEX ( ISAAC_FUNCTOR_COUNT BOOST_PP_REPEAT( BOOST_PP_DEC( ISAAC_MAX_FUNCTORS ), ISAAC_FUNCTOR_COMPLEX_SUBDEF, ~) )

#ifndef ISAAC_MAX_SOURCES
    #define ISAAC_MAX_SOURCES 16
#endif

#ifndef ISAAC_GUARD_SIZE
    #define ISAAC_GUARD_SIZE 2
#endif

#ifndef ISAAC_DEFAULT_STEP
    #define ISAAC_DEFAULT_STEP 0.5
#endif

#ifndef ISAAC_MAX_CLIPPING
    #define ISAAC_MAX_CLIPPING 16
#endif

#ifndef ISAAC_DEFAULT_WEIGHT
    #define ISAAC_DEFAULT_WEIGHT isaac_float( 2 )
#endif

#define ISAAC_MAX_RECEIVE 262144 //256kb
#define ISAAC_Z_NEAR 1.0f
#define ISAAC_Z_FAR 100.0f

#if ISAAC_ALPAKA == 1
    #ifdef __CUDACC__
        #define ISAAC_HOST_DEVICE_INLINE ALPAKA_FN_ACC __forceinline__
    #else
        #define ISAAC_HOST_DEVICE_INLINE ALPAKA_FN_ACC inline
    #endif
#else
    #define ISAAC_HOST_DEVICE_INLINE __device__ __host__ __forceinline__
#endif

#if ISAAC_ALPAKA == 1
    #define ISAAC_HOST_INLINE ALPAKA_FN_HOST inline
#else
    #define ISAAC_HOST_INLINE __host__ __forceinline__
#endif

#if ISAAC_ALPAKA == 1
    #define ISAAC_DEVICE_INLINE ISAAC_HOST_DEVICE_INLINE
#else
    #define ISAAC_DEVICE_INLINE __device__ __forceinline__
#endif

#ifdef __CUDACC__
    #define ISAAC_DEVICE __device__ __host__
#else
    #define ISAAC_DEVICE
#endif

#ifdef __CUDACC__
    #define ISAAC_NO_HOST_DEVICE_WARNING _Pragma("hd_warning_disable")
#else
    #define ISAAC_NO_HOST_DEVICE_WARNING
#endif

#define ISAAC_ELEM_ITERATE( NAME ) for (isaac_uint NAME = 0; NAME < isaac_uint(ISAAC_VECTOR_ELEM); NAME++)

#define ISAAC_ELEM_ALL_TRUE_RETURN( NAME ) \
{ \
    bool all_true = true; \
    for (isaac_uint e = 0; e < isaac_uint(ISAAC_VECTOR_ELEM); e++) \
        if (NAME[e] == false) \
            all_true = false; \
    if (all_true) \
        return; \
}

#if ISAAC_ALPAKA == 1
    #define ISAAC_CONSTANT ALPAKA_STATIC_DEV_MEM_CONSTANT
#else
    #define ISAAC_CONSTANT __constant__
#endif

#ifdef __CUDACC__
    #define ISAAC_MAX max
    #define ISAAC_MIN min
#else
    #define ISAAC_MAX std::max
    #define ISAAC_MIN std::min
#endif