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430 lines
12 KiB
C++
430 lines
12 KiB
C++
//$$ submat.cpp submatrices
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// Copyright (C) 1991,2,3,4: R B Davies
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#include "include.h"
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#include "newmat.h"
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#include "newmatrc.h"
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#ifdef use_namespace
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namespace NEWMAT {
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#endif
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#ifdef DO_REPORT
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#define REPORT { static ExeCounter ExeCount(__LINE__,11); ++ExeCount; }
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#else
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#define REPORT {}
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#endif
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/****************************** submatrices *********************************/
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#ifdef TEMPS_DESTROYED_QUICKLY
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GetSubMatrix& BaseMatrix::SubMatrix(int first_row, int last_row, int first_col,
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int last_col) const
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#else
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GetSubMatrix BaseMatrix::SubMatrix(int first_row, int last_row, int first_col,
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int last_col) const
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#endif
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{
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REPORT
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Tracer tr("SubMatrix");
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int a = first_row - 1; int b = last_row - first_row + 1;
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int c = first_col - 1; int d = last_col - first_col + 1;
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if (a<0 || b<0 || c<0 || d<0) Throw(SubMatrixDimensionException());
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// allow zero rows or columns
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#ifdef TEMPS_DESTROYED_QUICKLY
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GetSubMatrix* x = new GetSubMatrix(this, a, b, c, d, false);
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MatrixErrorNoSpace(x);
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return *x;
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#else
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return GetSubMatrix(this, a, b, c, d, false);
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#endif
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}
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#ifdef TEMPS_DESTROYED_QUICKLY
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GetSubMatrix& BaseMatrix::SymSubMatrix(int first_row, int last_row) const
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#else
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GetSubMatrix BaseMatrix::SymSubMatrix(int first_row, int last_row) const
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#endif
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{
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REPORT
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Tracer tr("SubMatrix(symmetric)");
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int a = first_row - 1; int b = last_row - first_row + 1;
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if (a<0 || b<0) Throw(SubMatrixDimensionException());
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// allow zero rows or columns
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#ifdef TEMPS_DESTROYED_QUICKLY
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GetSubMatrix* x = new GetSubMatrix(this, a, b, a, b, true);
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MatrixErrorNoSpace(x);
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return *x;
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#else
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return GetSubMatrix( this, a, b, a, b, true);
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#endif
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}
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#ifdef TEMPS_DESTROYED_QUICKLY
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GetSubMatrix& BaseMatrix::Row(int first_row) const
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#else
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GetSubMatrix BaseMatrix::Row(int first_row) const
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#endif
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{
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REPORT
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Tracer tr("SubMatrix(row)");
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int a = first_row - 1;
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if (a<0) Throw(SubMatrixDimensionException());
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#ifdef TEMPS_DESTROYED_QUICKLY
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GetSubMatrix* x = new GetSubMatrix(this, a, 1, 0, -1, false);
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MatrixErrorNoSpace(x);
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return *x;
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#else
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return GetSubMatrix(this, a, 1, 0, -1, false);
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#endif
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}
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#ifdef TEMPS_DESTROYED_QUICKLY
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GetSubMatrix& BaseMatrix::Rows(int first_row, int last_row) const
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#else
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GetSubMatrix BaseMatrix::Rows(int first_row, int last_row) const
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#endif
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{
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REPORT
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Tracer tr("SubMatrix(rows)");
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int a = first_row - 1; int b = last_row - first_row + 1;
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if (a<0 || b<0) Throw(SubMatrixDimensionException());
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// allow zero rows or columns
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#ifdef TEMPS_DESTROYED_QUICKLY
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GetSubMatrix* x = new GetSubMatrix(this, a, b, 0, -1, false);
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MatrixErrorNoSpace(x);
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return *x;
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#else
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return GetSubMatrix(this, a, b, 0, -1, false);
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#endif
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}
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#ifdef TEMPS_DESTROYED_QUICKLY
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GetSubMatrix& BaseMatrix::Column(int first_col) const
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#else
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GetSubMatrix BaseMatrix::Column(int first_col) const
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#endif
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{
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REPORT
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Tracer tr("SubMatrix(column)");
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int c = first_col - 1;
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if (c<0) Throw(SubMatrixDimensionException());
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#ifdef TEMPS_DESTROYED_QUICKLY
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GetSubMatrix* x = new GetSubMatrix(this, 0, -1, c, 1, false);
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MatrixErrorNoSpace(x);
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return *x;
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#else
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return GetSubMatrix(this, 0, -1, c, 1, false);
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#endif
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}
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#ifdef TEMPS_DESTROYED_QUICKLY
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GetSubMatrix& BaseMatrix::Columns(int first_col, int last_col) const
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#else
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GetSubMatrix BaseMatrix::Columns(int first_col, int last_col) const
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#endif
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{
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REPORT
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Tracer tr("SubMatrix(columns)");
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int c = first_col - 1; int d = last_col - first_col + 1;
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if (c<0 || d<0) Throw(SubMatrixDimensionException());
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// allow zero rows or columns
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#ifdef TEMPS_DESTROYED_QUICKLY
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GetSubMatrix* x = new GetSubMatrix(this, 0, -1, c, d, false);
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MatrixErrorNoSpace(x);
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return *x;
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#else
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return GetSubMatrix(this, 0, -1, c, d, false);
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#endif
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}
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void GetSubMatrix::SetUpLHS()
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{
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REPORT
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Tracer tr("SubMatrix(LHS)");
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const BaseMatrix* bm1 = bm;
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GeneralMatrix* gm1 = ((BaseMatrix*&)bm)->Evaluate();
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if ((BaseMatrix*)gm1!=bm1)
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Throw(ProgramException("Invalid LHS"));
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if (row_number < 0) row_number = gm1->Nrows();
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if (col_number < 0) col_number = gm1->Ncols();
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if (row_skip+row_number > gm1->Nrows()
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|| col_skip+col_number > gm1->Ncols())
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Throw(SubMatrixDimensionException());
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}
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void GetSubMatrix::operator<<(const BaseMatrix& bmx)
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{
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REPORT
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Tracer tr("SubMatrix(<<)"); GeneralMatrix* gmx = 0;
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Try
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{
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SetUpLHS(); gmx = ((BaseMatrix&)bmx).Evaluate();
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if (row_number != gmx->Nrows() || col_number != gmx->Ncols())
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Throw(IncompatibleDimensionsException());
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MatrixRow mrx(gmx, LoadOnEntry);
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MatrixRow mr(gm, LoadOnEntry+StoreOnExit+DirectPart, row_skip);
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// do need LoadOnEntry
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MatrixRowCol sub; int i = row_number;
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while (i--)
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{
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mr.SubRowCol(sub, col_skip, col_number); // put values in sub
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sub.Copy(mrx); mr.Next(); mrx.Next();
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}
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gmx->tDelete();
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#ifdef TEMPS_DESTROYED_QUICKLY
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delete this;
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#endif
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}
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CatchAll
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{
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if (gmx) gmx->tDelete();
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#ifdef TEMPS_DESTROYED_QUICKLY
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delete this;
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#endif
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ReThrow;
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}
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}
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void GetSubMatrix::operator=(const BaseMatrix& bmx)
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{
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REPORT
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Tracer tr("SubMatrix(=)"); GeneralMatrix* gmx = 0;
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// MatrixConversionCheck mcc; // Check for loss of info
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Try
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{
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SetUpLHS(); gmx = ((BaseMatrix&)bmx).Evaluate();
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if (row_number != gmx->Nrows() || col_number != gmx->Ncols())
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Throw(IncompatibleDimensionsException());
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LoadAndStoreFlag lasf =
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( row_skip == col_skip
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&& gm->Type().IsSymmetric()
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&& gmx->Type().IsSymmetric() )
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? LoadOnEntry+DirectPart
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: LoadOnEntry;
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MatrixRow mrx(gmx, lasf);
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MatrixRow mr(gm, LoadOnEntry+StoreOnExit+DirectPart, row_skip);
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// do need LoadOnEntry
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MatrixRowCol sub; int i = row_number;
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while (i--)
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{
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mr.SubRowCol(sub, col_skip, col_number); // put values in sub
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sub.CopyCheck(mrx); mr.Next(); mrx.Next();
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}
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gmx->tDelete();
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#ifdef TEMPS_DESTROYED_QUICKLY
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delete this;
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#endif
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}
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CatchAll
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{
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if (gmx) gmx->tDelete();
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#ifdef TEMPS_DESTROYED_QUICKLY
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delete this;
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#endif
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ReThrow;
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}
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}
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void GetSubMatrix::operator<<(const Real* r)
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{
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REPORT
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Tracer tr("SubMatrix(<<Real*)");
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SetUpLHS();
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if (row_skip+row_number > gm->Nrows() || col_skip+col_number > gm->Ncols())
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Throw(SubMatrixDimensionException());
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MatrixRow mr(gm, LoadOnEntry+StoreOnExit+DirectPart, row_skip);
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// do need LoadOnEntry
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MatrixRowCol sub; int i = row_number;
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while (i--)
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{
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mr.SubRowCol(sub, col_skip, col_number); // put values in sub
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sub.Copy(r); mr.Next();
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}
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#ifdef TEMPS_DESTROYED_QUICKLY
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delete this;
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#endif
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}
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void GetSubMatrix::operator=(Real r)
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{
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REPORT
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Tracer tr("SubMatrix(=Real)");
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SetUpLHS();
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MatrixRow mr(gm, LoadOnEntry+StoreOnExit+DirectPart, row_skip);
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// do need LoadOnEntry
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MatrixRowCol sub; int i = row_number;
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while (i--)
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{
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mr.SubRowCol(sub, col_skip, col_number); // put values in sub
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sub.Copy(r); mr.Next();
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}
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#ifdef TEMPS_DESTROYED_QUICKLY
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delete this;
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#endif
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}
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void GetSubMatrix::Inject(const GeneralMatrix& gmx)
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{
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REPORT
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Tracer tr("SubMatrix(inject)");
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SetUpLHS();
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if (row_number != gmx.Nrows() || col_number != gmx.Ncols())
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Throw(IncompatibleDimensionsException());
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MatrixRow mrx((GeneralMatrix*)(&gmx), LoadOnEntry);
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MatrixRow mr(gm, LoadOnEntry+StoreOnExit+DirectPart, row_skip);
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// do need LoadOnEntry
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MatrixRowCol sub; int i = row_number;
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while (i--)
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{
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mr.SubRowCol(sub, col_skip, col_number); // put values in sub
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sub.Inject(mrx); mr.Next(); mrx.Next();
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}
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#ifdef TEMPS_DESTROYED_QUICKLY
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delete this;
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#endif
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}
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void GetSubMatrix::operator+=(const BaseMatrix& bmx)
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{
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REPORT
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Tracer tr("SubMatrix(+=)"); GeneralMatrix* gmx = 0;
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// MatrixConversionCheck mcc; // Check for loss of info
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Try
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{
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SetUpLHS(); gmx = ((BaseMatrix&)bmx).Evaluate();
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if (row_number != gmx->Nrows() || col_number != gmx->Ncols())
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Throw(IncompatibleDimensionsException());
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MatrixRow mrx(gmx, LoadOnEntry);
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MatrixRow mr(gm, LoadOnEntry+StoreOnExit+DirectPart, row_skip);
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// do need LoadOnEntry
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MatrixRowCol sub; int i = row_number;
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while (i--)
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{
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mr.SubRowCol(sub, col_skip, col_number); // put values in sub
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sub.Check(mrx); // check for loss of info
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sub.Add(mrx); mr.Next(); mrx.Next();
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}
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gmx->tDelete();
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#ifdef TEMPS_DESTROYED_QUICKLY
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delete this;
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#endif
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}
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CatchAll
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{
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if (gmx) gmx->tDelete();
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#ifdef TEMPS_DESTROYED_QUICKLY
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delete this;
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#endif
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ReThrow;
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}
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}
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void GetSubMatrix::operator-=(const BaseMatrix& bmx)
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{
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REPORT
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Tracer tr("SubMatrix(-=)"); GeneralMatrix* gmx = 0;
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// MatrixConversionCheck mcc; // Check for loss of info
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Try
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{
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SetUpLHS(); gmx = ((BaseMatrix&)bmx).Evaluate();
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if (row_number != gmx->Nrows() || col_number != gmx->Ncols())
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Throw(IncompatibleDimensionsException());
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MatrixRow mrx(gmx, LoadOnEntry);
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MatrixRow mr(gm, LoadOnEntry+StoreOnExit+DirectPart, row_skip);
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// do need LoadOnEntry
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MatrixRowCol sub; int i = row_number;
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while (i--)
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{
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mr.SubRowCol(sub, col_skip, col_number); // put values in sub
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sub.Check(mrx); // check for loss of info
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sub.Sub(mrx); mr.Next(); mrx.Next();
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}
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gmx->tDelete();
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#ifdef TEMPS_DESTROYED_QUICKLY
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delete this;
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#endif
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}
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CatchAll
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{
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if (gmx) gmx->tDelete();
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#ifdef TEMPS_DESTROYED_QUICKLY
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delete this;
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#endif
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ReThrow;
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}
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}
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void GetSubMatrix::operator+=(Real r)
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{
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REPORT
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Tracer tr("SubMatrix(+= or -= Real)");
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// MatrixConversionCheck mcc; // Check for loss of info
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Try
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{
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SetUpLHS();
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MatrixRow mr(gm, LoadOnEntry+StoreOnExit+DirectPart, row_skip);
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// do need LoadOnEntry
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MatrixRowCol sub; int i = row_number;
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while (i--)
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{
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mr.SubRowCol(sub, col_skip, col_number); // put values in sub
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sub.Check(); // check for loss of info
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sub.Add(r); mr.Next();
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}
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#ifdef TEMPS_DESTROYED_QUICKLY
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delete this;
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#endif
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}
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CatchAll
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{
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#ifdef TEMPS_DESTROYED_QUICKLY
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delete this;
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#endif
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ReThrow;
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}
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}
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void GetSubMatrix::operator*=(Real r)
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{
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REPORT
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Tracer tr("SubMatrix(*= or /= Real)");
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// MatrixConversionCheck mcc; // Check for loss of info
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Try
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{
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SetUpLHS();
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MatrixRow mr(gm, LoadOnEntry+StoreOnExit+DirectPart, row_skip);
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// do need LoadOnEntry
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MatrixRowCol sub; int i = row_number;
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while (i--)
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{
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mr.SubRowCol(sub, col_skip, col_number); // put values in sub
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sub.Multiply(r); mr.Next();
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}
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#ifdef TEMPS_DESTROYED_QUICKLY
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delete this;
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#endif
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}
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CatchAll
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{
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#ifdef TEMPS_DESTROYED_QUICKLY
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delete this;
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#endif
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ReThrow;
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}
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}
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#ifdef use_namespace
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}
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#endif
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