Tangent Class Reference

#include <Tangent.h>

Public Types
typedef Tangent	This_T
typedef Tangent	T_Scalar
typedef NumTypeTraits< double > ::T_BuiltIn	T_BuiltIn

Public Member Functions
	Tangent ()
	Tangent (const double v, const double dv)
	Tangent (const double v)
	Tangent (const int v)
	Tangent (const Tangent &o)
	~Tangent ()
Tangent &	operator= (const Tangent &o)
Tangent &	operator= (const double &f)
Tangent &	operator= (const int &i)
Tangent &	operator+= (const Tangent &o)
Tangent &	operator-= (const Tangent &o)
Tangent &	operator*= (const Tangent &o)
Tangent &	operator/= (const Tangent &o)
Tangent &	operator+= (const double &o)
Tangent &	operator-= (const double &o)
Tangent &	operator*= (const double &o)
Tangent &	operator/= (const double &o)
Tangent &	operator+= (const int &i)
Tangent &	operator-= (const int &i)
Tangent &	operator*= (const int &i)
Tangent &	operator/= (const int &i)
	TANGENT_RELATIONAL_OPS (operator>,>)
	TANGENT_RELATIONAL_OPS (operator>=,>=)
	TANGENT_RELATIONAL_OPS (operator<,<)
	TANGENT_RELATIONAL_OPS (operator<=,<=)
	TANGENT_RELATIONAL_OPS (operator==,==)
	TANGENT_RELATIONAL_OPS (operator!=,!=)
void	print (ostream &os) const
Tangent	fabs () const

Static Public Member Functions
static string	getTypeName ()
static Tangent	getZero ()
static Tangent	getUnity ()
static Tangent	getNegativeUnity ()
static double	doubleMeasure (const Tangent &x)
static void	setFloat (Tangent &t, const int i, const double &val)
static double	getFloat (const Tangent &t, const int i)
static void	write (FILE *fp, const Tangent &x)
static int	getDimension ()
static void	getShape (int *shp)
static int	getDataSize ()
static void	accumulateOneNorm (Tangent &sum, const Tangent &v)
static void	accumulateDotProduct (Tangent &sum, const Tangent &v0, const Tangent &v1)
static void	reduceSum (Tangent &sum, const Tangent &x)
static void	safeDivide (Tangent &x, const Tangent &y)
static void	setMax (Tangent &x, const Tangent &y)

Public Attributes
double	_v
double	_dv

Detailed Description

Definition at line 12 of file Tangent.h.

Member Typedef Documentation

typedef NumTypeTraits<double>::T_BuiltIn Tangent::T_BuiltIn

Definition at line 18 of file Tangent.h.

typedef Tangent Tangent::T_Scalar

Definition at line 17 of file Tangent.h.

typedef Tangent Tangent::This_T

Definition at line 16 of file Tangent.h.

Constructor & Destructor Documentation

Tangent::Tangent ( )

inline

Definition at line 26 of file Tangent.h.

Referenced by fabs(), getNegativeUnity(), getUnity(), and getZero().

  {}

Tangent::Tangent ( const double  v, const double  dv  )

inline

Definition at line 31 of file Tangent.h.

                                           :
    _v(v),
    _dv(dv)
  {}

Tangent::Tangent ( const double  v )

inlineexplicit

Definition at line 36 of file Tangent.h.

                                   :
    _v(v),
    _dv(NumTypeTraits<double>::getZero())
  {}

Tangent::Tangent ( const int  v )

inlineexplicit

Definition at line 43 of file Tangent.h.

                                :
    _v(double(v)),
    _dv(NumTypeTraits<double>::getZero())
  {}

Tangent::Tangent ( const Tangent &  o )

inline

Definition at line 48 of file Tangent.h.

                            :
    _v(o._v),
    _dv(o._dv)
  {}

Tangent::~Tangent ( )

inline

Definition at line 53 of file Tangent.h.

  {}

Member Function Documentation

static void Tangent::accumulateDotProduct ( Tangent &  sum, const Tangent &  v0, const Tangent &  v1  )

inlinestatic

Definition at line 248 of file Tangent.h.

References _dv, and _v.

  {
    sum._v += v0._v*v1._v;
    sum._dv += v0._v*v1._dv + v0._dv*v1._v;
  }

static void Tangent::accumulateOneNorm ( Tangent &  sum, const Tangent &  v  )

inlinestatic

Definition at line 246 of file Tangent.h.

References fabs().

{ sum += v.fabs();}

static double Tangent::doubleMeasure ( const Tangent &  x )

inlinestatic

Definition at line 207 of file Tangent.h.

References _v.

  {
    return NumTypeTraits<double>::doubleMeasure(x._v);
  }

Tangent Tangent::fabs ( ) const

inline

Definition at line 240 of file Tangent.h.

References _dv, _v, and Tangent().

Referenced by accumulateOneNorm().

  {
    return Tangent(::fabs(_v), (_v > 0 ? _dv : -_dv));
  }

static int Tangent::getDataSize ( )

inlinestatic

Definition at line 235 of file Tangent.h.

  {
    return 2*NumTypeTraits<double>::getDataSize();
  }

static int Tangent::getDimension ( )

inlinestatic

Definition at line 231 of file Tangent.h.

{return NumTypeTraits<double>::getDimension()+1;}

static double Tangent::getFloat ( const Tangent &  t, const int  i  )

inlinestatic

Definition at line 219 of file Tangent.h.

References _dv, and _v.

  {
    if (i==0)
      return t._v;
    else
      return t._dv;
  }

static Tangent Tangent::getNegativeUnity ( )

inlinestatic

Definition at line 201 of file Tangent.h.

References Tangent().

  {
    return Tangent(NumTypeTraits<double>::getNegativeUnity(),
                   NumTypeTraits<double>::getZero());
  }

static void Tangent::getShape ( int *  shp )

inlinestatic

Definition at line 233 of file Tangent.h.

{ *shp = 2; NumTypeTraits<double>::getShape(shp+1);}

static string Tangent::getTypeName ( )

inlinestatic

Definition at line 20 of file Tangent.h.

  {
    return "Tangent";
  }

static Tangent Tangent::getUnity ( )

inlinestatic

Definition at line 195 of file Tangent.h.

References Tangent().

  {
    return Tangent(NumTypeTraits<double>::getUnity(),
                   NumTypeTraits<double>::getZero());
  }

static Tangent Tangent::getZero ( )

inlinestatic

Definition at line 189 of file Tangent.h.

References Tangent().

  {
    double zero = NumTypeTraits<double>::getZero();
    return Tangent(zero,zero);
  }

Tangent& Tangent::operator*= ( const Tangent &  o )

inline

Definition at line 95 of file Tangent.h.

References _dv, and _v.

  {
    _dv = _dv*o._v + _v*o._dv;
    _v *= o._v;
    return *this;
  }

Tangent& Tangent::operator*= ( const double &  o )

inline

Definition at line 121 of file Tangent.h.

References _dv, and _v.

  {
    _v *= o;
    _dv *= o;
    return *this;
  }

Tangent& Tangent::operator*= ( const int &  i )

inline

Definition at line 147 of file Tangent.h.

References _dv, and _v.

  {
    _v *= double(i);
    _dv *= double(i);
    return *this;
  }

Tangent& Tangent::operator+= ( const Tangent &  o )

inline

Definition at line 81 of file Tangent.h.

References _dv, and _v.

  {
    _v += o._v;
    _dv += o._dv;
    return *this;
  }

Tangent& Tangent::operator+= ( const double &  o )

inline

Definition at line 109 of file Tangent.h.

References _v.

  {
    _v += o;
    return *this;
  }

Tangent& Tangent::operator+= ( const int &  i )

inline

Definition at line 135 of file Tangent.h.

References _v.

  {
    _v += double(i);
    return *this;
  }

Tangent& Tangent::operator-= ( const Tangent &  o )

inline

Definition at line 88 of file Tangent.h.

References _dv, and _v.

  {
    _v -= o._v;
    _dv -= o._dv;
    return *this;
  }

Tangent& Tangent::operator-= ( const double &  o )

inline

Definition at line 115 of file Tangent.h.

References _v.

  {
    _v -= o;
    return *this;
  }

Tangent& Tangent::operator-= ( const int &  i )

inline

Definition at line 141 of file Tangent.h.

References _v.

  {
    _v -= double(i);
    return *this;
  }

Tangent& Tangent::operator/= ( const Tangent &  o )

inline

Definition at line 102 of file Tangent.h.

References _dv, and _v.

  {
    _dv = (_dv*o._v - _v*o._dv)/(o._v*o._v);
    _v /= o._v;
    return *this;
  }

Tangent& Tangent::operator/= ( const double &  o )

inline

Definition at line 128 of file Tangent.h.

References _dv, and _v.

  {
    _v /= o;
    _dv /= o;
    return *this;
  }

Tangent& Tangent::operator/= ( const int &  i )

inline

Definition at line 154 of file Tangent.h.

References _dv, and _v.

  {
    _v /= double(i);
    _dv /= double(i);
    return *this;
  }

Tangent& Tangent::operator= ( const Tangent &  o )

inline

Definition at line 57 of file Tangent.h.

References _dv, and _v.

  {
    if (this == &o)
      return *this;
    _v = o._v;
    _dv = o._dv;
    return *this;
  }

Tangent& Tangent::operator= ( const double &  f )

inline

Definition at line 66 of file Tangent.h.

References _dv, and _v.

  {
    _v = f;
    _dv = NumTypeTraits<double>::getZero();
    return *this;
  }

Tangent& Tangent::operator= ( const int &  i )

inline

Definition at line 74 of file Tangent.h.

References _dv, and _v.

  {
    _v = double(i);
    _dv = NumTypeTraits<double>::getZero();
    return *this;
  }

void Tangent::print ( ostream &  os ) const

inline

Definition at line 184 of file Tangent.h.

References _dv, and _v.

Referenced by operator<<().

  {
    os << "< "  << _v << " , " << _dv << ">";
  }

static void Tangent::reduceSum ( Tangent &  sum, const Tangent &  x  )

inlinestatic

Definition at line 254 of file Tangent.h.

{sum+=x;}

static void Tangent::safeDivide ( Tangent &  x, const Tangent &  y  )

inlinestatic

Definition at line 256 of file Tangent.h.

References _v.

{if (y._v!=0) x/=y;}

static void Tangent::setFloat ( Tangent &  t, const int  i, const double &  val  )

inlinestatic

Definition at line 212 of file Tangent.h.

References _dv, and _v.

  {
    if (i == 0)
      t._v = val;
    else
      t._dv = val;
  }

static void Tangent::setMax ( Tangent &  x, const Tangent &  y  )

inlinestatic

Definition at line 257 of file Tangent.h.

References _v.

{if (y._v>x._v) x=y;}

Tangent::TANGENT_RELATIONAL_OPS

(

operator

)

Tangent::TANGENT_RELATIONAL_OPS	(	operator>=	,
		>=
	)

Tangent::TANGENT_RELATIONAL_OPS

(

)

Tangent::TANGENT_RELATIONAL_OPS	(	operator<=	,
		<=
	)

Tangent::TANGENT_RELATIONAL_OPS

(

operator

= =

)

Tangent::TANGENT_RELATIONAL_OPS	(	operator!	,
		!
	)

static void Tangent::write ( FILE *  fp, const Tangent &  x  )

inlinestatic

Definition at line 229 of file Tangent.h.

References _v.

{fprintf(fp,"%f",x._v);}

Member Data Documentation

double Tangent::_dv

Definition at line 260 of file Tangent.h.

Referenced by accumulateDotProduct(), fabs(), fabs(), getFloat(), operator*=(), operator+=(), operator-(), operator-=(), operator/=(), operator=(), print(), setFloat(), sin(), and sqrt().

double Tangent::_v

Definition at line 259 of file Tangent.h.

Referenced by accumulateDotProduct(), doubleMeasure(), fabs(), fabs(), getFloat(), operator*=(), operator+=(), operator-(), operator-=(), operator/=(), operator=(), print(), safeDivide(), setFloat(), setMax(), sin(), sqrt(), and write().

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The documentation for this class was generated from the following file:

• Tangent.h