Esempio n. 1
0
void Trr2kNTTN
( UpperOrLower uplo,
  Orientation orientationOfB, Orientation orientationOfC,
  T alpha, const DistMatrix<T>& A, const DistMatrix<T>& B,
           const DistMatrix<T>& C, const DistMatrix<T>& D,
  T beta,        DistMatrix<T>& E )
{
#ifndef RELEASE
    CallStackEntry entry("internal::Trr2kNTTN");
    if( E.Height() != E.Width()  || A.Width()  != C.Height() ||
        A.Height() != E.Height() || C.Width()  != E.Height() ||
        B.Height() != E.Width()  || D.Width()  != E.Width()  ||
        A.Width()  != B.Width()  || C.Height() != D.Height() )
        LogicError("Nonconformal Trr2kNTTN");
#endif
    const Grid& g = E.Grid();

    DistMatrix<T> AL(g), AR(g),
                  A0(g), A1(g), A2(g);
    DistMatrix<T> BL(g), BR(g),
                  B0(g), B1(g), B2(g);

    DistMatrix<T> CT(g),  C0(g),
                  CB(g),  C1(g),
                          C2(g);
    DistMatrix<T> DT(g),  D0(g),
                  DB(g),  D1(g),
                          D2(g);

    DistMatrix<T,MC,  STAR> A1_MC_STAR(g);
    DistMatrix<T,VR,  STAR> B1_VR_STAR(g);
    DistMatrix<T,STAR,MR  > B1AdjOrTrans_STAR_MR(g);
    DistMatrix<T,STAR,MC  > C1_STAR_MC(g);
    DistMatrix<T,MR,  STAR> D1Trans_MR_STAR(g);

    A1_MC_STAR.AlignWith( E );
    B1_VR_STAR.AlignWith( E );
    B1AdjOrTrans_STAR_MR.AlignWith( E );
    C1_STAR_MC.AlignWith( E );
    D1Trans_MR_STAR.AlignWith( E );

    LockedPartitionRight( A, AL, AR, 0 );
    LockedPartitionRight( B, BL, BR, 0 );
    LockedPartitionDown
    ( C, CT,
         CB, 0 );
    LockedPartitionDown
    ( D, DT,
         DB, 0 );
    while( AL.Width() < A.Width() )
    {
        LockedRepartitionRight
        ( AL, /**/ AR,
          A0, /**/ A1, A2 );
        LockedRepartitionRight
        ( BL, /**/ BR,
          B0, /**/ B1, B2 );
        LockedRepartitionDown
        ( CT,  C0,
         /**/ /**/
               C1,
          CB,  C2 );
        LockedRepartitionDown
        ( DT,  D0,
         /**/ /**/
               D1,
          DB,  D2 );

        //--------------------------------------------------------------------//
        A1_MC_STAR = A1;
        C1_STAR_MC = C1;
        B1_VR_STAR = B1;
        if( orientationOfB == ADJOINT )
            B1AdjOrTrans_STAR_MR.AdjointFrom( B1_VR_STAR );
        else
            B1AdjOrTrans_STAR_MR.TransposeFrom( B1_VR_STAR );
        D1Trans_MR_STAR.TransposeFrom( D1 );
        LocalTrr2k 
        ( uplo, orientationOfC, TRANSPOSE,
          alpha, A1_MC_STAR, B1AdjOrTrans_STAR_MR,
                 C1_STAR_MC, D1Trans_MR_STAR,
          beta,  E );
        //--------------------------------------------------------------------//

        SlideLockedPartitionRight
        ( AL,     /**/ AR,
          A0, A1, /**/ A2 );
        SlideLockedPartitionRight
        ( BL,     /**/ BR,
          B0, B1, /**/ B2 );
        SlideLockedPartitionDown
        ( CT,  C0,
               C1,
         /**/ /**/
          CB,  C2 );
        SlideLockedPartitionDown
        ( DT,  D0,
               D1,
         /**/ /**/
          DB,  D2 );
    }
}
Esempio n. 2
0
inline void
Trr2kNNTT
( UpperOrLower uplo,
  Orientation orientationOfC, Orientation orientationOfD,
  T alpha, const DistMatrix<T>& A, const DistMatrix<T>& B,
           const DistMatrix<T>& C, const DistMatrix<T>& D,
  T beta,        DistMatrix<T>& E )
{
#ifndef RELEASE
    PushCallStack("internal::Trr2kNNTT");
    if( E.Height() != E.Width()  || A.Width()  != C.Height() ||
        A.Height() != E.Height() || C.Width()  != E.Height() ||
        B.Width()  != E.Width()  || D.Height() != E.Width()  ||
        A.Width()  != B.Height() || C.Height() != D.Width() )
        throw std::logic_error("Nonconformal Trr2kNNTT");
#endif
    const Grid& g = E.Grid();

    DistMatrix<T> AL(g), AR(g),
                  A0(g), A1(g), A2(g);
    DistMatrix<T> BT(g),  B0(g),
                  BB(g),  B1(g),
                          B2(g);

    DistMatrix<T> CT(g),  C0(g),
                  CB(g),  C1(g),
                          C2(g);
    DistMatrix<T> DL(g), DR(g),
                  D0(g), D1(g), D2(g);

    DistMatrix<T,MC,  STAR> A1_MC_STAR(g);
    DistMatrix<T,MR,  STAR> B1Trans_MR_STAR(g);
    DistMatrix<T,STAR,MC  > C1_STAR_MC(g);
    DistMatrix<T,VR,  STAR> D1_VR_STAR(g);
    DistMatrix<T,STAR,MR  > D1AdjOrTrans_STAR_MR(g);

    A1_MC_STAR.AlignWith( E );
    B1Trans_MR_STAR.AlignWith( E );
    C1_STAR_MC.AlignWith( E );
    D1_VR_STAR.AlignWith( E );
    D1AdjOrTrans_STAR_MR.AlignWith( E );

    LockedPartitionRight( A, AL, AR, 0 );
    LockedPartitionDown
    ( B, BT,
         BB, 0 );
    LockedPartitionDown
    ( C, CT,
         CB, 0 );
    LockedPartitionRight( D, DL, DR, 0 );
    while( AL.Width() < A.Width() )
    {
        LockedRepartitionRight
        ( AL, /**/ AR,
          A0, /**/ A1, A2 );
        LockedRepartitionDown
        ( BT,  B0,
         /**/ /**/
               B1,
          BB,  B2 );
        LockedRepartitionDown
        ( CT,  C0,
         /**/ /**/
               C1,
          CB,  C2 );
        LockedRepartitionRight
        ( DL, /**/ DR,
          D0, /**/ D1, D2 );

        //--------------------------------------------------------------------//
        A1_MC_STAR = A1;
        C1_STAR_MC = C1;
        B1Trans_MR_STAR.TransposeFrom( B1 );
        D1_VR_STAR = D1;
        if( orientationOfD == ADJOINT )
            D1AdjOrTrans_STAR_MR.AdjointFrom( D1_VR_STAR );
        else
            D1AdjOrTrans_STAR_MR.TransposeFrom( D1_VR_STAR );
        LocalTrr2k
        ( uplo, TRANSPOSE, orientationOfC,
          alpha, A1_MC_STAR, B1Trans_MR_STAR, 
                 C1_STAR_MC, D1AdjOrTrans_STAR_MR,
          beta,  E );
        //--------------------------------------------------------------------//

        SlideLockedPartitionRight
        ( DL,     /**/ DR,
          D0, D1, /**/ D2 );
        SlideLockedPartitionDown
        ( CT,  C0,
               C1,
         /**/ /**/
          CB,  C2 );
        SlideLockedPartitionDown
        ( BT,  B0,
               B1,
         /**/ /**/
          BB,  B2 );
        SlideLockedPartitionRight
        ( AL,     /**/ AR,
          A0, A1, /**/ A2 );
    }
#ifndef RELEASE
    PopCallStack();
#endif
}