// File:	Units_Dimensions.cxx
// Created:	Wed Jun 24 12:50:17 1992
// Author:	Gilles DEBARBOUILLE
//		<gde@phobox>


#include <Units_Dimensions.ixx>
#include <Units_UnitsDictionary.hxx>
#include <Units.hxx>
#include <Units_Operators.hxx>

//=======================================================================
//function : Units_Dimensions
//purpose  : 
//=======================================================================

Units_Dimensions::Units_Dimensions(const Standard_Real amass                     ,
				   const Standard_Real alength                   ,
				   const Standard_Real atime                     ,
				   const Standard_Real anelectriccurrent         ,
				   const Standard_Real athermodynamictemperature ,
				   const Standard_Real anamountofsubstance       ,
				   const Standard_Real aluminousintensity        ,
				   const Standard_Real aplaneangle               ,
				   const Standard_Real asolidangle               )
{
  themass                     = amass                     ;
  thelength                   = alength                   ;
  thetime                     = atime                     ;
  theelectriccurrent          = anelectriccurrent         ;
  thethermodynamictemperature = athermodynamictemperature ;
  theamountofsubstance        = anamountofsubstance       ;
  theluminousintensity        = aluminousintensity        ;
  theplaneangle               = aplaneangle               ;
  thesolidangle               = asolidangle               ;
}

//=======================================================================
//function : Quantity 

//purpose  : gets the string quantity from dimension parameter
//Warning  : Bo Bo Tetete,take an aspirine !! 
//	     If you found a more simple way ,phone to GG,thanks ...
//=======================================================================

static Handle(Units_QuantitiesSequence) quantitySequence;
static TCollection_AsciiString quantityName;
Standard_CString Units_Dimensions::Quantity() const
{
  if( quantitySequence.IsNull() ) {
    quantitySequence = Units::DictionaryOfUnits(Standard_False)->Sequence();
  }
  Handle(Units_Dimensions) dim;
  for (Standard_Integer i=1; i <= quantitySequence->Length(); i++) {
    dim = quantitySequence->Value(i)->Dimensions();
    if( themass == dim->Mass()                     &&
	thelength                   == dim->Length()                   &&
	thetime                     == dim->Time()                     &&
	theelectriccurrent          == dim->ElectricCurrent()          &&     
	thethermodynamictemperature == dim->ThermodynamicTemperature() &&
	theamountofsubstance        == dim->AmountOfSubstance()        &&
	theluminousintensity        == dim->LuminousIntensity()        &&
	theplaneangle               == dim->PlaneAngle()               &&
	thesolidangle               == dim->SolidAngle() ) {
      quantityName = quantitySequence->Value(i)->Name();
      return quantityName.ToCString();
    }
   }
   return NULL;
}

//=======================================================================
//function : Multiply

//purpose  : 
//=======================================================================

Handle(Units_Dimensions) Units_Dimensions::Multiply
       (const Handle(Units_Dimensions)& adimensions) const
{
  return new Units_Dimensions
    (themass                     + adimensions->Mass(),
     thelength                   + adimensions->Length(),
     thetime                     + adimensions->Time(),
     theelectriccurrent          + adimensions->ElectricCurrent(),
     thethermodynamictemperature + adimensions->ThermodynamicTemperature(),
     theamountofsubstance        + adimensions->AmountOfSubstance(),
     theluminousintensity        + adimensions->LuminousIntensity(),
     theplaneangle               + adimensions->PlaneAngle(),
     thesolidangle               + adimensions->SolidAngle());
}

//=======================================================================
//function : Divide

//purpose  : 
//=======================================================================

Handle(Units_Dimensions) Units_Dimensions::Divide
       (const Handle(Units_Dimensions)& adimensions) const
{
  return new Units_Dimensions
    (themass                     - adimensions->Mass()                     ,
     thelength                   - adimensions->Length()                   ,
     thetime                     - adimensions->Time()                     ,
     theelectriccurrent          - adimensions->ElectricCurrent()          ,
     thethermodynamictemperature - adimensions->ThermodynamicTemperature() ,
     theamountofsubstance        - adimensions->AmountOfSubstance()        ,
     theluminousintensity        - adimensions->LuminousIntensity()        ,
     theplaneangle               - adimensions->PlaneAngle()               ,
     thesolidangle               - adimensions->SolidAngle()               );
}

//=======================================================================
//function : Power
//purpose  : 
//=======================================================================

Handle(Units_Dimensions) Units_Dimensions::Power(const Standard_Real anexponent) const
{
  return new Units_Dimensions(themass                     * anexponent,
			      thelength                   * anexponent,
			      thetime                     * anexponent,
			      theelectriccurrent          * anexponent,
			      thethermodynamictemperature * anexponent,
			      theamountofsubstance        * anexponent,
			      theluminousintensity        * anexponent,
			      theplaneangle               * anexponent,
			      thesolidangle               * anexponent);
}

//=======================================================================
//function : IsEqual
//purpose  : 
//=======================================================================

Standard_Boolean Units_Dimensions::IsEqual (const Handle(Units_Dimensions)& adimensions)
     const
{
  return (themass                     == adimensions->Mass()                     &&
	  thelength                   == adimensions->Length()                   &&
	  thetime                     == adimensions->Time()                     &&
	  theelectriccurrent          == adimensions->ElectricCurrent()          &&     
	  thethermodynamictemperature == adimensions->ThermodynamicTemperature() &&
	  theamountofsubstance        == adimensions->AmountOfSubstance()        &&
	  theluminousintensity        == adimensions->LuminousIntensity()        &&
	  theplaneangle               == adimensions->PlaneAngle()               &&
	  thesolidangle               == adimensions->SolidAngle()
	  ? Standard_True : Standard_False);
}

//=======================================================================
//function : IsNotEqual

//purpose  : 
//=======================================================================

Standard_Boolean Units_Dimensions::IsNotEqual
  (const Handle(Units_Dimensions)& adimensions) const
{
  return !(IsEqual(adimensions)) ? Standard_True : Standard_False;
}

//=======================================================================
//function : Dump
//purpose  : 
//=======================================================================

void Units_Dimensions::Dump(const Standard_Integer ashift) const
{
  int i;
  for(i=0; i<ashift; i++)cout<<"  ";
  cout<<" with the physical dimensions : "<<endl;
  for(i=0; i<ashift; i++)cout<<"  ";
  cout<<"         mass                      : "<<themass<<endl;
  for(i=0; i<ashift; i++)cout<<"  ";
  cout<<"         length                    : "<<thelength<<endl;
  for(i=0; i<ashift; i++)cout<<"  ";
  cout<<"         time                      : "<<thetime<<endl;
  for(i=0; i<ashift; i++)cout<<"  ";
  cout<<"         electric current          : "<<theelectriccurrent<<endl;
  for(i=0; i<ashift; i++)cout<<"  ";
  cout<<"         thermodynamic temperature : "<<thethermodynamictemperature<<endl;
  for(i=0; i<ashift; i++)cout<<"  ";
  cout<<"         amount of substance       : "<<theamountofsubstance<<endl;
  for(i=0; i<ashift; i++)cout<<"  ";
  cout<<"         luminous intensity        : "<<theluminousintensity<<endl;
  for(i=0; i<ashift; i++)cout<<"  ";
  cout<<"         plane angle               : "<<theplaneangle<<endl;
  for(i=0; i<ashift; i++)cout<<"  ";
  cout<<"         solid angle               : "<<thesolidangle<<endl;
}

//=======================================================================
//function : operator *
//purpose  : 
//=======================================================================

Handle(Units_Dimensions) operator *(const Handle(Units_Dimensions)& adimension1,
				    const Handle(Units_Dimensions)& adimension2)
{
  return adimension1->Multiply(adimension2);
}

//=======================================================================
//function : operator /
//purpose  : 
//=======================================================================

Handle(Units_Dimensions) operator /(const Handle(Units_Dimensions)& adimension1,
				    const Handle(Units_Dimensions)& adimension2)
{
  return adimension1->Divide(adimension2);
}

//=======================================================================
//function : pow
//purpose  : 
//=======================================================================

Handle(Units_Dimensions) pow(const Handle(Units_Dimensions)&adimension,
			     const Standard_Real areal)
{
  return adimension->Power(areal);
}

//=======================================================================
//function : operator ==
//purpose  : 
//=======================================================================

//Standard_Boolean operator ==(const Handle(Units_Dimensions)& adimension1,
//			     const Handle(Units_Dimensions)& adimension2)
//{
//  return adimension1->IsEqual(adimension2);
//}

//=======================================================================
//function : operator !=
//purpose  : 
//=======================================================================

//Standard_Boolean operator !=(const Handle(Units_Dimensions)& adimension1,
//			     const Handle(Units_Dimensions)& adimension2)
//{
//  return adimension1->IsNotEqual(adimension2);
//}

Handle(Units_Dimensions)    Units_Dimensions::ALess() {
  static Handle(Units_Dimensions) aDim;
  if (aDim.IsNull())
    aDim = new Units_Dimensions(0.,0.,0.,0.,0.,0.,0.,0.,0.);
  return aDim;
}
Handle(Units_Dimensions)    Units_Dimensions::AMass() {
  static Handle(Units_Dimensions) aDim;
  if (aDim.IsNull())
    aDim = new Units_Dimensions(1.,0.,0.,0.,0.,0.,0.,0.,0.);
  return aDim;
}
Handle(Units_Dimensions)    Units_Dimensions::ALength() {
  static Handle(Units_Dimensions) aDim;
  if (aDim.IsNull())
    aDim = new Units_Dimensions(0.,1.,0.,0.,0.,0.,0.,0.,0.);
  return aDim;
}
Handle(Units_Dimensions)    Units_Dimensions::ATime() {
  static Handle(Units_Dimensions) aDim;
  if (aDim.IsNull())
    aDim = new Units_Dimensions(0.,0.,1.,0.,0.,0.,0.,0.,0.);
  return aDim;
}
Handle(Units_Dimensions)    Units_Dimensions::AElectricCurrent() {
  static Handle(Units_Dimensions) aDim;
  if (aDim.IsNull())
    aDim = new Units_Dimensions(0.,0.,0.,1.,0.,0.,0.,0.,0.);
  return aDim;
}
Handle(Units_Dimensions)    Units_Dimensions::AThermodynamicTemperature() {
  static Handle(Units_Dimensions) aDim;
  if (aDim.IsNull())
    aDim = new Units_Dimensions(0.,0.,0.,0.,1.,0.,0.,0.,0.);
  return aDim;
}
Handle(Units_Dimensions)    Units_Dimensions::AAmountOfSubstance() {
  static Handle(Units_Dimensions) aDim;
  if (aDim.IsNull())
    aDim = new Units_Dimensions(0.,0.,0.,0.,0.,1.,0.,0.,0.);
  return aDim;
}
Handle(Units_Dimensions)    Units_Dimensions::ALuminousIntensity() {
  static Handle(Units_Dimensions) aDim;
  if (aDim.IsNull())
    aDim = new Units_Dimensions(0.,0.,0.,0.,0.,0.,1.,0.,0.);
  return aDim;
}
Handle(Units_Dimensions)    Units_Dimensions::APlaneAngle() {
  static Handle(Units_Dimensions) aDim;
  if (aDim.IsNull())
    aDim = new Units_Dimensions(0.,0.,0.,0.,0.,0.,0.,1.,0.);
  return aDim;
}
Handle(Units_Dimensions)    Units_Dimensions::ASolidAngle() {
  static Handle(Units_Dimensions) aDim;
  if (aDim.IsNull())
    aDim = new Units_Dimensions(0.,0.,0.,0.,0.,0.,0.,0.,1.);
  return aDim;
}