////////////////////////////////////////////////////////////////
//
//  opthelper.h includes some #defines which help to make optimizations easier and better readable
//
//  copyright (c) 2013  Ingo Weyrich
//
//  this is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
//
//  This program 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 General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
//
////////////////////////////////////////////////////////////////

#ifndef OPTHELPER_H
    #define OPTHELPER_H

    #define pow_F(a,b) (xexpf(b*xlogf(a)))

    #ifdef __SSE2__
        #include "sleefsseavx.c"
        #ifdef __GNUC__
            #if defined(WIN32) && !defined( __x86_64__ )
                // needed for actual versions of GCC with 32-Bit Windows
                #define SSEFUNCTION __attribute__((force_align_arg_pointer))
            #else
                #define SSEFUNCTION
            #endif
        #else
            #define SSEFUNCTION
        #endif
    #else
        #ifdef __SSE__
            #ifdef __GNUC__
                #if defined(WIN32) && !defined( __x86_64__ )
                    // needed for actual versions of GCC with 32-Bit Windows
                    #define SSEFUNCTION __attribute__((force_align_arg_pointer))
                #else
                    #define SSEFUNCTION
                #endif
            #else
                #define SSEFUNCTION
            #endif
        #else
            #define SSEFUNCTION
        #endif
    #endif

    #ifdef __GNUC__
        #define RESTRICT    __restrict__
        #define LIKELY(x)   __builtin_expect (!!(x), 1)
        #define UNLIKELY(x) __builtin_expect (!!(x), 0)
        #if (!defined(WIN32) || defined( __x86_64__ ))
            #define ALIGNED64 __attribute__ ((aligned (64)))
            #define ALIGNED16 __attribute__ ((aligned (16)))
        #else // there is a bug in gcc 4.7.x when using openmp and aligned memory and -O3, also needed for WIN32 builds
            #define ALIGNED64
            #define ALIGNED16
        #endif
    #else
        #define RESTRICT
        #define LIKELY(x)    (x)
        #define UNLIKELY(x)  (x)
        #define ALIGNED64
        #define ALIGNED16
    #endif
    #if defined _OPENMP
        #define _RT_NESTED_OPENMP
    #endif
#endif