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/* ========================================================================
* PROJECT: ARToolKitPlus
* ========================================================================
* This work is based on the original ARToolKit developed by
* Hirokazu Kato
* Mark Billinghurst
* HITLab, University of Washington, Seattle
* http://www.hitl.washington.edu/artoolkit/
*
* Copyright of the derived and new portions of this work
* (C) 2006 Graz University of Technology
*
* This framework 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 2 of the License, or
* (at your option) any later version.
*
* This framework 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 framework; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* For further information please contact
* Dieter Schmalstieg
* <schmalstieg@icg.tu-graz.ac.at>
* Graz University of Technology,
* Institut for Computer Graphics and Vision,
* Inffeldgasse 16a, 8010 Graz, Austria.
* ========================================================================
** @author Daniel Wagner
*
* $Id$
* @file
* ======================================================================== */
#ifndef __ARTKPFLOAT_FLOAT_HEADERFILE__
#define __ARTKPFLOAT_FLOAT_HEADERFILE__
#include <math.h>
// Floating point implementation of artkpFloat
// Although this class will be very slow on any hardware
// without an FPU the advantage is high precision.
//
template <typename BASETYPE_>
class artkpFloat_float
{
public:
typedef BASETYPE_ BASETYPE;
artkpFloat_float() {}
artkpFloat_float(int nV) { setInt(nV); }
artkpFloat_float(unsigned int nV) { setUnsignedInt(nV); }
artkpFloat_float(float nV) { setFloat(nV); }
artkpFloat_float(double nV) { setDouble(nV); }
artkpFloat_float(const artkpFloat_float& nOther) { v = nOther.v; }
// custom interface
//
bool isFixed() { return false; };
void setFixed(int nV) { v = nV/65536.0f; }
void setInt(int nV) { v = (BASETYPE)nV; }
void setUnsignedInt(int nV) { v = (BASETYPE)nV; }
void setFloat(float nV) { v = nV; }
void setDouble(double nV) { v = (BASETYPE)nV; }
void setArtkpFloat(const artkpFloat_float& nOther) { v = nOther.v; }
int getByte() const { return (int)(v*255.0f); }
int getFixed() const { return (int)(v*65536.0f); }
int getInt() const { return (int)v; }
float getFloat() const { return (float)v; }
double getDouble() const { return (double)v; }
operator double() const { return getDouble(); }
void inverse(const artkpFloat_float& nOther) { v = BASETYPE(1)/nOther.v; }
void inverse() { v = BASETYPE(1)/v; }
void inverseSqrt(const artkpFloat_float& nOther) { v = BASETYPE(1)/(BASETYPE)sqrt(nOther.v); }
void inverseSqrt() { v = BASETYPE(1)/(BASETYPE)sqrt(v); }
void multiplyBy255() { v *= 255.0f; }
// some standard math.h routines applied to this class
//
friend inline const artkpFloat_float sqrt(const artkpFloat_float& nV)
{ return ::sqrt(nV.v); }
friend inline const artkpFloat_float cos(const artkpFloat_float& nV)
{ return ::cos(nV.v); }
friend inline const artkpFloat_float sin(const artkpFloat_float& nV)
{ return ::sin(nV.v); }
friend inline const artkpFloat_float acos(const artkpFloat_float& nV)
{ return ::acos(nV.v); }
friend inline const artkpFloat_float asin(const artkpFloat_float& nV)
{ return ::asin(nV.v); }
friend inline const artkpFloat_float atan2(const artkpFloat_float& nVa, const artkpFloat_float& nVb)
{ return ::atan2(nVa.v,nVb.v); }
friend inline const artkpFloat_float fabs(const artkpFloat_float& nV)
{ return ::fabs(nV.v); }
friend inline const artkpFloat_float pow(const artkpFloat_float& nVa, const artkpFloat_float& nVb)
{ return ::pow(nVa.v,nVb.v); }
friend inline const artkpFloat_float ceil(const artkpFloat_float& nV)
{ return ::ceil(nV.v); }
// overloaded operators
//
artkpFloat_float& operator=(unsigned int nV) { setInt(nV); return *this; }
artkpFloat_float& operator=(int nV) { setInt(nV); return *this; }
artkpFloat_float& operator=(float nV) { setFloat(nV); return *this; }
artkpFloat_float& operator=(double nV) { setDouble(nV); return *this; }
artkpFloat_float& operator=(const artkpFloat_float& nOther) { v = nOther.v; return *this; }
artkpFloat_float operator-() const { artkpFloat_float w; w.v = -v; return w; }
artkpFloat_float& operator+=(int nV) { v+=(BASETYPE)nV; return *this; }
artkpFloat_float& operator-=(int nV) { v-=(BASETYPE)nV; return *this; }
artkpFloat_float& operator*=(int nV) { v*=(BASETYPE)nV; return *this; }
artkpFloat_float& operator/=(int nV) { v/=(BASETYPE)nV; return *this; }
artkpFloat_float& operator+=(float nV) { v+=nV; return *this; }
artkpFloat_float& operator-=(float nV) { v-=nV; return *this; }
artkpFloat_float& operator*=(float nV) { v*=nV; return *this; }
artkpFloat_float& operator/=(float nV) { v/=nV; return *this; }
artkpFloat_float& operator+=(double nV) { v+=(BASETYPE)nV; return *this; }
artkpFloat_float& operator-=(double nV) { v-=(BASETYPE)nV; return *this; }
artkpFloat_float& operator*=(double nV) { v*=(BASETYPE)nV; return *this; }
artkpFloat_float& operator/=(double nV) { v/=(BASETYPE)nV; return *this; }
artkpFloat_float& operator+=(const artkpFloat_float& nOther) { v+=nOther.v; return *this; }
artkpFloat_float& operator-=(const artkpFloat_float& nOther) { v-=nOther.v; return *this; }
artkpFloat_float& operator*=(const artkpFloat_float& nOther) { v*=nOther.v; return *this; }
artkpFloat_float& operator/=(const artkpFloat_float& nOther) { v/=nOther.v; return *this; }
artkpFloat_float& operator>>=(int nBits) { int tmp=1<<nBits; v/=tmp; return *this; }
artkpFloat_float& operator<<=(int nBits) { int tmp=1<<nBits; v*=tmp; return *this; }
bool operator==(const artkpFloat_float& nOther) const { return v==nOther.v; }
bool operator!=(const artkpFloat_float& nOther) const { return v!=nOther.v; }
bool operator<=(const artkpFloat_float& nOther) const { return v<=nOther.v; }
bool operator>=(const artkpFloat_float& nOther) const { return v>=nOther.v; }
bool operator<(const artkpFloat_float& nOther) const { return v<nOther.v; }
bool operator>(const artkpFloat_float& nOther) const { return v>nOther.v; }
bool operator==(int nOther) const { return v==(BASETYPE)nOther; }
bool operator!=(int nOther) const { return v!=(BASETYPE)nOther; }
bool operator<=(int nOther) const { return v<=(BASETYPE)nOther; }
bool operator>=(int nOther) const { return v>=(BASETYPE)nOther; }
bool operator<(int nOther) const { return v< (BASETYPE)nOther; }
bool operator>(int nOther) const { return v> (BASETYPE)nOther; }
bool operator==(float nOther) const { return v==nOther; }
bool operator!=(float nOther) const { return v!=nOther; }
bool operator<=(float nOther) const { return v<=nOther; }
bool operator>=(float nOther) const { return v>=nOther; }
bool operator<(float nOther) const { return v<nOther; }
bool operator>(float nOther) const { return v>nOther; }
friend inline const artkpFloat_float operator+(const artkpFloat_float& left, const artkpFloat_float& right)
{ return left.v+right.v; }
friend inline const artkpFloat_float operator+(const artkpFloat_float& left, float right)
{ return left.v+right; }
friend inline const artkpFloat_float operator+(float left, const artkpFloat_float& right)
{ return left+right.v; }
friend inline const artkpFloat_float operator-(const artkpFloat_float& left, const artkpFloat_float& right)
{ return left.v-right.v; }
friend inline const artkpFloat_float operator-(const artkpFloat_float& left, float right)
{ return left.v-right; }
friend inline const artkpFloat_float operator-(float left, const artkpFloat_float& right)
{ return left-right.v; }
friend inline const artkpFloat_float operator*(const artkpFloat_float& left, const artkpFloat_float& right)
{ return left.v*right.v; }
friend inline const artkpFloat_float operator*(const artkpFloat_float& left, float right)
{ return left.v*right; }
friend inline const artkpFloat_float operator*(float left, const artkpFloat_float& right)
{ return left*right.v; }
friend inline const artkpFloat_float operator/(const artkpFloat_float& left, const artkpFloat_float& right)
{ return left.v/right.v; }
friend inline const artkpFloat_float operator/(const artkpFloat_float& left, float right)
{ return left.v/right; }
friend inline const artkpFloat_float operator/(float left, const artkpFloat_float& right)
{ return left/right.v; }
protected:
BASETYPE v;
};
/*
// binary operator +
//
template <typename BT>
inline const artkpFloat_float<typename BT>
operator+(const artkpFloat_float<typename BT>& left, const artkpFloat_float<typename BT>& right)
{
return artkpFloat_float<BT>(left.v+right.v);
}
template <typename BT>
inline const artkpFloat_float<typename BT>
operator+(const artkpFloat_float<typename BT>& left, float right)
{
return artkpFloat_float<BT>(left.v+right);
}
template <typename BT>
inline const artkpFloat_float<typename BT>
operator+(float left, const artkpFloat_float<typename BT>& right)
{
return artkpFloat_float<BT>(left+right.v);
}
// binary operator -
//
template <typename BT>
inline const artkpFloat_float<typename BT>
operator-(const artkpFloat_float<typename BT>& left, const artkpFloat_float<typename BT>& right)
{
return artkpFloat_float<BT>(left.v-right.v);
}
template <typename BT>
inline const artkpFloat_float<typename BT>
operator-(const artkpFloat_float<typename BT>& left, float right)
{
return artkpFloat_float<BT>(left.v-right);
}
template <typename BT>
inline const artkpFloat_float<typename BT>
operator-(float left, const artkpFloat_float<typename BT>& right)
{
return artkpFloat_float<BT>(left-right.v);
}
// binary operator *
//
template <typename BT>
inline const artkpFloat_float<typename BT>
operator*(const artkpFloat_float<typename BT>& left, const artkpFloat_float<typename BT>& right)
{
return artkpFloat_float<BT>(left.v*right.v);
}
template <typename BT>
inline const artkpFloat_float<typename BT>
operator*(const artkpFloat_float<typename BT>& left, float right)
{
return artkpFloat_float<BT>(left.v*right);
}
template <typename BT>
inline const artkpFloat_float<typename BT>
operator*(float left, const artkpFloat_float<typename BT>& right)
{
return artkpFloat_float<BT>(left*right.v);
}
// binary operator /
//
template <typename BT>
inline const artkpFloat_float<typename BT>
operator/(const artkpFloat_float<typename BT>& left, const artkpFloat_float<typename BT>& right)
{
return artkpFloat_float<BT>(left.v/right.v);
}
template <typename BT>
inline const artkpFloat_float<typename BT>
operator/(const artkpFloat_float<typename BT>& left, float right)
{
return artkpFloat_float<BT>(left.v/right);
}
template <typename BT>
inline const artkpFloat_float<typename BT>
operator/(float left, const artkpFloat_float<typename BT>& right)
{
return artkpFloat_float<BT>(left/right.v);
}
*/
/*
// math.h methods
//
template <typename BT>
inline const artkpFloat_float<typename BT>
cos(const artkpFloat_float<typename BT>& nV)
{
return artkpFloat_float<BT>(::cos(nV.v));
}
template <typename BT>
inline const artkpFloat_float<typename BT>
sin(const artkpFloat_float<typename BT>& nV)
{
return artkpFloat_float<BT>(::sin(nV.v));
}
template <typename BT>
inline const artkpFloat_float<typename BT>
acos(const artkpFloat_float<typename BT>& nV)
{
return artkpFloat_float<BT>(::acos(nV.v));
}
template <typename BT>
inline const artkpFloat_float<typename BT>
asin(const artkpFloat_float<typename BT>& nV)
{
return artkpFloat_float<BT>(::asin(nV.v));
}
template <typename BT>
inline const artkpFloat_float<typename BT>
atan2(const artkpFloat_float<typename BT>& nVa, const artkpFloat_float<typename BT>& nVb)
{
return artkpFloat_float<BT>(::atan2(nVa.v, nVb.v));
}
template <typename BT>
inline const artkpFloat_float<typename BT>
fabs(const artkpFloat_float<typename BT>& nV)
{
return artkpFloat_float<BT>(::fabs(nV.v));
}
template <typename BT>
inline const artkpFloat_float<typename BT>
pow(const artkpFloat_float<typename BT>& nVa, const artkpFloat_float<typename BT>& nVb)
{
return artkpFloat_float<BT>(::pow(nVa.v, nVb.v));
}
template <typename BT>
inline const artkpFloat_float<typename BT>
sqrt(const artkpFloat_float<typename BT>& nV)
{
return artkpFloat_float<BT>(::sqrt(nV.v));
}
template <typename BT>
inline const artkpFloat_float<typename BT>
ceil(const artkpFloat_float<typename BT>& nV)
{
return artkpFloat_float<BT>(::ceil(nV.v));
}
*/
#endif //__ARTKPFLOAT_FLOAT_HEADERFILE__
|
