示例#1
0
void LowerPanel
( DistMatrix<F>& A,
  DistMatrix<F>& W,
  DistMatrix<F,MD,STAR>& t,
  DistMatrix<F,MC,STAR>& B_MC_STAR, 
  DistMatrix<F,MR,STAR>& B_MR_STAR,
  DistMatrix<F,MC,STAR>& W_MC_STAR,
  DistMatrix<F,MR,STAR>& W_MR_STAR,
  const SymvCtrl<F>& ctrl )
{
    DEBUG_CSE
    const Int n = A.Height();
    const Int nW = W.Width();
    DEBUG_ONLY(
      AssertSameGrids( A, W, t );
      if( n != A.Width() )
          LogicError("A must be square");
      if( n != W.Height() )
          LogicError("A and W must be the same height");
      if( n <= nW )
          LogicError("W must be a column panel");
      if( W.ColAlign() != A.ColAlign() || 
          W.RowAlign() != A.RowAlign() )
          LogicError("W and A must be aligned");
      if( t.Height() != nW || t.Width() != 1 )
          LogicError
          ("t must be a column vector of the same length as W's width");
      if( !A.DiagonalAlignedWith(t,-1) )
          LogicError("t is not aligned with A's subdiagonal.");
    )
示例#2
0
文件: LPan.hpp 项目: v4m4/Elemental
void LPan
( DistMatrix<F>& A,
  DistMatrix<F>& W,
  DistMatrix<F,MD,STAR>& t,
  DistMatrix<F,MC,STAR>& APan_MC_STAR, 
  DistMatrix<F,MR,STAR>& APan_MR_STAR,
  DistMatrix<F,MC,STAR>& W_MC_STAR,
  DistMatrix<F,MR,STAR>& W_MR_STAR )
{
    const Int n = A.Height();
    const Int nW = W.Width();
    DEBUG_ONLY(
        CallStackEntry cse("herm_tridiag::LPan");
        AssertSameGrids( A, W, t );
        if( n != A.Width() )
            LogicError("A must be square");
        if( n != W.Height() )
            LogicError("A and W must be the same height");
        if( n <= nW )
            LogicError("W must be a column panel");
        if( W.ColAlign() != A.ColAlign() || 
            W.RowAlign() != A.RowAlign() )
            LogicError("W and A must be aligned");
        if( t.Height() != nW || t.Width() != 1 )
            LogicError
            ("t must be a column vector of the same length as W's width");
        if( !A.DiagonalAlignedWith(t,-1) )
            LogicError("t is not aligned with A's subdiagonal.");
    )