fenv.hh

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/*
 * Copyright (c) 2004-2005 The Regents of The University of Michigan
 * All rights reserved.
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#ifndef __BASE_FENV_HH__
#define __BASE_FENV_HH__
 
#include "config/have_fenv.hh"
 
namespace gem5
{
 
enum class RoundingMode
{
    Downward = 0,
    ToNearest = 1,
    TowardZero = 2,
    Upward = 3
};
 
#if HAVE_FENV
 
void setFpRound(RoundingMode rm);
RoundingMode getFpRound();
 
#else
 
// Dummy definitions to allow code to compile w/o a real <fenv.h>.
static inline void setFpRound(RoundingMode rm) {}
static inline
RoundingMode getFpRound()
{
    return RoundingMode::Downward;
}
 
#endif // HAVE_FENV
 
} // namespace gem5
 
#endif // __BASE_FENV_HH__