hr_omp.h

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/***************************************************************************\
 * Copyright (c) 2014, Claudio Pica                                          *
 * All rights reserved.                                                      * 
 \***************************************************************************/
 
#ifndef HR_OMP_H
#define HR_OMP_H
 
#define _DO_PRAGMA(s) _Pragma(#s)
 
#ifdef _OPENMP
#define _OMP_PRAGMA(s) _DO_PRAGMA(omp s)
 
#include <omp.h>
 
//define OpenMP behavior
#define _omp_parallel parallel default(shared)
#define _omp_for for \
    schedule(static)
#define _omp_sum(...) reduction(+ : __VA_ARGS__)
#define _omp_max(...) reduction(max : __VA_ARGS__)
#define _omp_min(...) reduction(min : __VA_ARGS__)
 
#define hr_threadId() omp_get_thread_num()
 
#else //to avoid compilation warnings
#define _OMP_PRAGMA(s)
#define hr_threadId() ((int)(0))
#endif
 
#define _OMP_BARRIER _OMP_PRAGMA(barrier)
 
#define _OMP_PARALLEL_FOR      \
    _OMP_PRAGMA(_omp_parallel) \
    _OMP_PRAGMA(_omp_for)
 
#endif