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// Copyright (C) 1999-2020
// Smithsonian Astrophysical Observatory, Cambridge, MA, USA
// For conditions of distribution and use, see copyright notice in "copyright"
#ifndef __fuzzy_h__
#define __fuzzy_h__
#include <float.h>
inline void tzero(double* ff, const double epsilon= DBL_EPSILON)
{if (*ff>=-epsilon && *ff<=epsilon) *ff = 0;}
inline bool teq(const double f1, const double f2,
const double epsilon= DBL_EPSILON)
{return f1-f2 >= -epsilon && f1-f2 <= epsilon;}
inline bool tlt(const double f1, const double f2,
const double epsilon= DBL_EPSILON)
{return f1-f2 < -epsilon;}
inline bool tle(const double f1, const double f2,
const double epsilon= DBL_EPSILON)
{return f1-f2 <= -epsilon; }
inline bool tgt(const double f1, const double f2,
const double epsilon= DBL_EPSILON)
{return f1-f2 > epsilon;}
inline bool tge(const double f1, const double f2,
const double epsilon= DBL_EPSILON)
{return f1-f2 >= epsilon;}
#endif
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