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GenSQP_YUEpetraVector.cpp
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00005 //     EpetraExt: Epetra Extended - Linear Algebra Services Package
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00043 
00044 #include "GenSQP_YUEpetraVector.hpp"
00045 
00046 namespace GenSQP {
00047 
00048 YUEpetraVector::YUEpetraVector( const Teuchos::RefCountPtr<Epetra_MultiVector> &y_epetra_vec,
00049                                 const Teuchos::RefCountPtr<Epetra_MultiVector> &u_epetra_vec )
00050   :y_epetra_vec_(y_epetra_vec), u_epetra_vec_(u_epetra_vec)
00051     {}
00052 
00053 // Overridden from Vector
00054 
00055 double YUEpetraVector::innerProd( const Vector &x ) const
00056 {
00057   double ydot[1];
00058   double udot[1];
00059   YUEpetraVector &ex = Teuchos::dyn_cast<YUEpetraVector>(const_cast <Vector&>(x));
00060   y_epetra_vec_->Dot( *ex.y_epetra_vec_, ydot );
00061   if (u_epetra_vec_.get() == 0)
00062     udot[0] = 0.0;
00063   else
00064     u_epetra_vec_->Dot( *ex.u_epetra_vec_, udot );
00065   return (ydot[0] + udot[0]);
00066 }
00067 
00068 void YUEpetraVector::linComb( const double &alpha, const Vector &x, const double &beta )
00069 {
00070   YUEpetraVector &ex = Teuchos::dyn_cast<YUEpetraVector>(const_cast <Vector&>(x));
00071   y_epetra_vec_->Update( alpha, *ex.y_epetra_vec_, beta );
00072   if (u_epetra_vec_.get() != 0)
00073     u_epetra_vec_->Update( alpha, *ex.u_epetra_vec_, beta );
00074 }
00075 
00076 void YUEpetraVector::Scale( const double &alpha )
00077 {
00078   y_epetra_vec_->Scale( alpha );
00079   if (u_epetra_vec_.get() != 0)
00080     u_epetra_vec_->Scale( alpha );
00081 }
00082 
00083 void YUEpetraVector::Set( const double &alpha )
00084 {
00085   y_epetra_vec_->PutScalar( alpha );
00086   if (u_epetra_vec_.get() != 0)
00087     u_epetra_vec_->PutScalar( alpha );
00088 }
00089 
00090 void YUEpetraVector::Set( const double &alpha, const Vector &x )
00091 {
00092   YUEpetraVector &ex = Teuchos::dyn_cast<YUEpetraVector>(const_cast <Vector&>(x));
00093   y_epetra_vec_->Scale( alpha, *ex.y_epetra_vec_ );
00094   if (u_epetra_vec_.get() != 0)
00095     u_epetra_vec_->Scale( alpha, *ex.u_epetra_vec_ );
00096 }
00097 
00098 Teuchos::RefCountPtr<Vector> YUEpetraVector::createVector() const
00099 {
00100   Teuchos::RefCountPtr<Epetra_MultiVector> yptr =
00101       Teuchos::rcp(new Epetra_MultiVector(y_epetra_vec_->Map(),1,false));
00102   Teuchos::RefCountPtr<Epetra_MultiVector> uptr = Teuchos::null;
00103   if (u_epetra_vec_.get() != 0)
00104     uptr = Teuchos::rcp(new Epetra_MultiVector(u_epetra_vec_->Map(),1,false));
00105   
00106   return Teuchos::rcp( new YUEpetraVector( yptr, uptr ));
00107 }
00108 
00109 Teuchos::RefCountPtr<const Epetra_MultiVector> YUEpetraVector::getYVector() const
00110 {
00111   return y_epetra_vec_;
00112 }
00113 
00114 Teuchos::RefCountPtr<const Epetra_MultiVector> YUEpetraVector::getUVector() const
00115 {
00116   return u_epetra_vec_;
00117 }
00118 
00119 } // namespace GenSQP
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