122 lines
3.0 KiB
Plaintext
122 lines
3.0 KiB
Plaintext
@q $Id: twod_matrix.cweb 148 2005-04-19 15:12:26Z kamenik $ @>
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@q Copyright 2004, Ondra Kamenik @>
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@ Start of {\tt twod\_matrix.cpp} file.
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@c
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#include "twod_matrix.h"
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#include "tl_exception.h"
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@<|ConstTwoDMatrix| constructors@>;
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@<|ConstTwoDMatrix::writeMat| code@>;
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@<|TwoDMatrix| row methods code@>;
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@<|TwoDMatrix| column methods code@>;
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@<|TwoDMatrix::save| code@>;
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@
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@<|ConstTwoDMatrix| constructors@>=
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ConstTwoDMatrix::ConstTwoDMatrix(const TwoDMatrix& m)
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: ConstGeneralMatrix(m)@+ {}
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ConstTwoDMatrix::ConstTwoDMatrix(const TwoDMatrix& m, int first_col, int num)
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: ConstGeneralMatrix(m, 0, first_col, m.nrows(), num)@+ {}
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ConstTwoDMatrix::ConstTwoDMatrix(const ConstTwoDMatrix& m, int first_col, int num)
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: ConstGeneralMatrix(m, 0, first_col, m.nrows(), num)@+ {}
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ConstTwoDMatrix::ConstTwoDMatrix(int first_row, int num, const TwoDMatrix& m)
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: ConstGeneralMatrix(m, first_row, 0, num, m.ncols())@+ {}
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ConstTwoDMatrix::ConstTwoDMatrix(int first_row, int num, const ConstTwoDMatrix& m)
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: ConstGeneralMatrix(m, first_row, 0, num, m.ncols())@+ {}
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@
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@<|ConstTwoDMatrix::writeMat| code@>=
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void ConstTwoDMatrix::writeMat(mat_t* fd, const char* vname) const
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{
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#if MATIO_MAJOR_VERSION > 1 || (MATIO_MAJOR_VERSION == 1 && MATIO_MINOR_VERSION >= 5)
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size_t dims[2];
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const matio_compression compression = MAT_COMPRESSION_NONE;
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#else
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int dims[2];
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const int compression = COMPRESSION_NONE;
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#endif
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dims[0] = nrows();
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dims[1] = ncols();
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double *data = new double[nrows()*ncols()];
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for (int j = 0; j < ncols(); j++)
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for (int i = 0; i < nrows(); i++)
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data[j*nrows()+i] = get(i,j);
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matvar_t *v = Mat_VarCreate(vname, MAT_C_DOUBLE, MAT_T_DOUBLE, 2, dims, data, 0);
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Mat_VarWrite(fd, v, compression);
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Mat_VarFree(v);
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delete[] data;
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}
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@
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@<|TwoDMatrix| row methods code@>=
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void TwoDMatrix::copyRow(int from, int to)
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{
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if (from != to)
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copyRow(ConstTwoDMatrix(*this), from, to);
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}
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void TwoDMatrix::copyRow(const ConstTwoDMatrix& m, int from, int to)
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{
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ConstVector fr_row(from, m);
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Vector to_row(to, *this);
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to_row = fr_row;
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}
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void TwoDMatrix::addRow(double d, const ConstTwoDMatrix& m, int from, int to)
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{
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ConstVector fr_row(from, m);
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Vector to_row(to, *this);
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to_row.add(d, fr_row);
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}
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@
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@<|TwoDMatrix| column methods code@>=
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void TwoDMatrix::copyColumn(int from, int to)
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{
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if (from != to)
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copyColumn(ConstTwoDMatrix(*this), from, to);
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}
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void TwoDMatrix::copyColumn(const ConstTwoDMatrix& m, int from, int to)
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{
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ConstVector fr_col(m, from);
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Vector to_col(*this, to);
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to_col = fr_col;
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}
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void TwoDMatrix::addColumn(double d, const ConstTwoDMatrix& m, int from, int to)
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{
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ConstVector fr_col(m, from);
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Vector to_col(*this, to);
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to_col.add(d, fr_col);
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}
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@
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@<|TwoDMatrix::save| code@>=
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void TwoDMatrix::save(const char* fname) const
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{
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FILE* fd;
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if (NULL==(fd = fopen(fname,"w"))) {
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TL_RAISE("Cannot open file for writing in TwoDMatrix::save");
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}
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for (int row = 0; row < nrows(); row++) {
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for (int col = 0; col < ncols(); col++)
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fprintf(fd, " %20.10g", get(row, col));
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fprintf(fd, "\n");
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}
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fclose(fd);
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}
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@ End of {\tt twod\_matrix.cpp} file.
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