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/*****************************************************************************/
// Copyright 2006 Adobe Systems Incorporated
// All Rights Reserved.
//
// NOTICE: Adobe permits you to use, modify, and distribute this file in
// accordance with the terms of the Adobe license agreement accompanying it.
/*****************************************************************************/
/* $Id: //mondo/dng_sdk_1_4/dng_sdk/source/dng_rational.h#2 $ */
/* $DateTime: 2012/07/31 22:04:34 $ */
/* $Change: 840853 $ */
/* $Author: tknoll $ */
/** \file
* Signed and unsigned rational data types.
*/
/*****************************************************************************/
#ifndef __dng_rational__
#define __dng_rational__
/*****************************************************************************/
#include "dng_types.h"
/*****************************************************************************/
class dng_srational
{
public:
int32 n; // Numerator
int32 d; // Denominator
public:
dng_srational ()
: n (0)
, d (0)
{
}
dng_srational (int32 nn, int32 dd)
: n (nn)
, d (dd)
{
}
void Clear ()
{
n = 0;
d = 0;
}
bool IsValid () const
{
return d != 0;
}
bool NotValid () const
{
return !IsValid ();
}
bool operator== (const dng_srational &r) const
{
return (n == r.n) &&
(d == r.d);
}
bool operator!= (const dng_srational &r) const
{
return !(*this == r);
}
real64 As_real64 () const;
void Set_real64 (real64 x, int32 dd = 0);
void ReduceByFactor (int32 factor);
};
/*****************************************************************************/
class dng_urational
{
public:
uint32 n; // Numerator
uint32 d; // Denominator
public:
dng_urational ()
: n (0)
, d (0)
{
}
dng_urational (uint32 nn, uint32 dd)
: n (nn)
, d (dd)
{
}
void Clear ()
{
n = 0;
d = 0;
}
bool IsValid () const
{
return d != 0;
}
bool NotValid () const
{
return !IsValid ();
}
bool operator== (const dng_urational &r) const
{
return (n == r.n) &&
(d == r.d);
}
bool operator!= (const dng_urational &r) const
{
return !(*this == r);
}
real64 As_real64 () const;
void Set_real64 (real64 x, uint32 dd = 0);
void ReduceByFactor (uint32 factor);
};
/*****************************************************************************/
#endif
/*****************************************************************************/
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