Mercurial > octave
view liboctave/array/boolSparse.cc @ 23807:336f89b6208b
Use character literals 'c' rather than string literals "c" when possible.
Better performance when string constructor isn't required.
* Figure.cc, __init_qt__.cc, files-dock-widget.cc, file-editor-tab.cc,
file-editor.cc, octave-qscintilla.cc, main-window.cc, octave-dock-widget.cc,
octave-qt-link.cc, parser.cc, webinfo.cc, resource-manager.cc,
settings-dialog.cc, workspace-view.cc, __magick_read__.cc, balance.cc,
debug.cc, dynamic-ld.cc, ft-text-renderer.cc, gl-render.cc, gl2ps-print.cc,
graphics.cc, hook-fcn.h, input.cc, load-path.cc, load-save.cc, ls-hdf5.cc,
oct-hist.cc, oct-stream.cc, pager.cc, pr-output.cc, qz.cc, symtab.cc, symtab.h,
tril.cc, __delaunayn__.cc, __init_fltk__.cc, __voronoi__.cc, audioread.cc,
ccolamd.cc, colamd.cc, convhulln.cc, ov-base-int.cc, ov-base-mat.cc,
ov-base-scalar.cc, ov-base.cc, ov-bool-mat.cc, ov-cell.cc, ov-class.cc,
ov-classdef.cc, ov-colon.cc, ov-complex.cc, ov-cx-mat.cc, ov-fcn-handle.cc,
ov-fcn-inline.cc, ov-fcn.h, ov-flt-cx-mat.cc, ov-flt-re-mat.cc, ov-java.cc,
ov-oncleanup.cc, ov-range.cc, ov-re-mat.cc, ov-re-sparse.cc, ov-str-mat.cc,
ov-struct.cc, ov-usr-fcn.cc, ov.cc, octave.cc, bp-table.cc, jit-ir.cc,
jit-ir.h, jit-typeinfo.cc, pt-funcall.cc, pt-idx.cc, pt-pr-code.cc, pt.h,
Array.cc, CDiagMatrix.cc, CMatrix.cc, CNDArray.cc, CRowVector.cc, CSparse.cc,
Range.cc, boolSparse.cc, dDiagMatrix.cc, dMatrix.cc, dNDArray.cc,
dRowVector.cc, dSparse.cc, fCDiagMatrix.cc, fCMatrix.cc, fCNDArray.cc,
fCRowVector.cc, fDiagMatrix.cc, fMatrix.cc, fNDArray.cc, fRowVector.cc,
idx-vector.cc, intNDArray.cc, CollocWt.cc, DASPK.cc, DASRT.cc, DASSL.cc,
LSODE.cc, oct-time.cc, cmd-hist.cc, kpse.cc, lo-array-errwarn.cc, lo-regexp.cc,
lo-utils.cc, str-vec.cc, url-transfer.cc, main-cli.cc, main-gui.cc,
mkoctfile.in.cc:
Replace 1-character string literals "c" with the character literal 'c'.
author | Rik <rik@octave.org> |
---|---|
date | Fri, 28 Jul 2017 15:40:00 -0700 |
parents | 1fee389bd04b |
children | 194eb4bd202b |
line wrap: on
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/* Copyright (C) 2004-2017 David Bateman Copyright (C) 1998-2004 Andy Adler Copyright (C) 2010 VZLU Prague This file is part of Octave. Octave is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. Octave is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Octave; see the file COPYING. If not, see <http://www.gnu.org/licenses/>. */ #if defined (HAVE_CONFIG_H) # include "config.h" #endif #include <iostream> #include <vector> #include "quit.h" #include "lo-ieee.h" #include "lo-mappers.h" #include "boolSparse.h" #include "dSparse.h" #include "oct-locbuf.h" #include "Sparse-op-defs.h" // SparseBoolMatrix class. bool SparseBoolMatrix::operator == (const SparseBoolMatrix& a) const { octave_idx_type nr = rows (); octave_idx_type nc = cols (); octave_idx_type nz = nnz (); octave_idx_type nr_a = a.rows (); octave_idx_type nc_a = a.cols (); octave_idx_type nz_a = a.nnz (); if (nr != nr_a || nc != nc_a || nz != nz_a) return false; for (octave_idx_type i = 0; i < nc + 1; i++) if (cidx (i) != a.cidx (i)) return false; for (octave_idx_type i = 0; i < nz; i++) if (data (i) != a.data (i) || ridx (i) != a.ridx (i)) return false; return true; } bool SparseBoolMatrix::operator != (const SparseBoolMatrix& a) const { return !(*this == a); } SparseBoolMatrix& SparseBoolMatrix::insert (const SparseBoolMatrix& a, octave_idx_type r, octave_idx_type c) { Sparse<bool>::insert (a, r, c); return *this; } SparseBoolMatrix& SparseBoolMatrix::insert (const SparseBoolMatrix& a, const Array<octave_idx_type>& indx) { Sparse<bool>::insert (a, indx); return *this; } SparseBoolMatrix SparseBoolMatrix::concat (const SparseBoolMatrix& rb, const Array<octave_idx_type>& ra_idx) { // Don't use numel to avoid all possiblity of an overflow if (rb.rows () > 0 && rb.cols () > 0) insert (rb, ra_idx(0), ra_idx(1)); return *this; } // unary operations SparseBoolMatrix SparseBoolMatrix::operator ! (void) const { octave_idx_type nr = rows (); octave_idx_type nc = cols (); octave_idx_type nz1 = nnz (); octave_idx_type nz2 = nr*nc - nz1; SparseBoolMatrix r (nr, nc, nz2); octave_idx_type ii = 0; octave_idx_type jj = 0; r.cidx (0) = 0; for (octave_idx_type i = 0; i < nc; i++) { for (octave_idx_type j = 0; j < nr; j++) { if (jj < cidx (i+1) && ridx (jj) == j) jj++; else { r.data (ii) = true; r.ridx (ii++) = j; } } r.cidx (i+1) = ii; } return r; } // other operations // FIXME: Do these really belong here? Maybe they should be in a base class? SparseBoolMatrix SparseBoolMatrix::all (int dim) const { SPARSE_ALL_OP (dim); } SparseBoolMatrix SparseBoolMatrix::any (int dim) const { Sparse<bool> retval; octave_idx_type nr = rows (); octave_idx_type nc = cols (); octave_idx_type nz = nnz (); if (dim == -1) dim = (nr == 1 && nc != 1) ? 1 : 0; if (dim == 0) { // Result is a row vector. retval = Sparse<bool> (1, nc); retval.xcidx (0) = 0; for (octave_idx_type i = 0; i < nc; i++) retval.xcidx (i+1) = retval.xcidx (i) + (cidx (i+1) > cidx (i)); octave_idx_type new_nz = retval.xcidx (nc); retval.change_capacity (new_nz); std::fill_n (retval.ridx (), new_nz, static_cast<octave_idx_type> (0)); std::fill_n (retval.data (), new_nz, true); } else if (dim == 1) { // Result is a column vector. if (nz > nr/4) { // We can use O(nr) memory. Array<bool> tmp (dim_vector (nr, 1), false); for (octave_idx_type i = 0; i < nz; i++) tmp.xelem (ridx (i)) = true; retval = tmp; } else { Array<octave_idx_type> tmp (dim_vector (nz, 1)); std::copy_n (ridx (), nz, tmp.fortran_vec ()); retval = Sparse<bool> (Array<bool> (dim_vector (1, 1), true), idx_vector (tmp), idx_vector (static_cast<octave_idx_type> (0)), nr, 1, false); } } return retval; } SparseMatrix SparseBoolMatrix::sum (int dim) const { Sparse<double> retval; octave_idx_type nr = rows (); octave_idx_type nc = cols (); octave_idx_type nz = nnz (); if (dim == -1) dim = (nr == 1 && nc != 1) ? 1 : 0; if (dim == 0) { // Result is a row vector. retval = Sparse<double> (1, nc); for (octave_idx_type i = 0; i < nc; i++) retval.xcidx (i+1) = retval.xcidx (i) + (cidx (i+1) > cidx (i)); octave_idx_type new_nz = retval.xcidx (nc); retval.change_capacity (new_nz); std::fill_n (retval.ridx (), new_nz, static_cast<octave_idx_type> (0)); for (octave_idx_type i = 0, k = 0; i < nc; i++) { octave_idx_type c = cidx (i+1) - cidx (i); if (c > 0) retval.xdata (k++) = c; } } else if (dim == 1) { // Result is a column vector. if (nz > nr) { // We can use O(nr) memory. Array<double> tmp (dim_vector (nr, 1), 0); for (octave_idx_type i = 0; i < nz; i++) tmp.xelem (ridx (i)) += 1.0; retval = tmp; } else { Array<octave_idx_type> tmp (dim_vector (nz, 1)); std::copy_n (ridx (), nz, tmp.fortran_vec ()); retval = Sparse<double> (Array<double> (dim_vector (1, 1), 1.0), idx_vector (tmp), idx_vector (static_cast<octave_idx_type> (0)), nr, 1); } } return retval; } SparseBoolMatrix SparseBoolMatrix::diag (octave_idx_type k) const { return Sparse<bool>::diag (k); } boolMatrix SparseBoolMatrix::matrix_value (void) const { octave_idx_type nr = rows (); octave_idx_type nc = cols (); boolMatrix retval (nr, nc, false); for (octave_idx_type j = 0; j < nc; j++) for (octave_idx_type i = cidx (j); i < cidx (j+1); i++) retval.elem (ridx (i), j) = data (i); return retval; } std::ostream& operator << (std::ostream& os, const SparseBoolMatrix& a) { octave_idx_type nc = a.cols (); // add one to the printed indices to go from // zero-based to one-based arrays for (octave_idx_type j = 0; j < nc; j++) { octave_quit (); for (octave_idx_type i = a.cidx (j); i < a.cidx (j+1); i++) os << a.ridx (i) + 1 << ' ' << j + 1 << ' ' << a.data (i) << "\n"; } return os; } std::istream& operator >> (std::istream& is, SparseBoolMatrix& a) { typedef SparseBoolMatrix::element_type elt_type; return read_sparse_matrix<elt_type> (is, a, octave_read_value<bool>); } SparseBoolMatrix SparseBoolMatrix::squeeze (void) const { return Sparse<bool>::squeeze (); } SparseBoolMatrix SparseBoolMatrix::index (const idx_vector& i, bool resize_ok) const { return Sparse<bool>::index (i, resize_ok); } SparseBoolMatrix SparseBoolMatrix::index (const idx_vector& i, const idx_vector& j, bool resize_ok) const { return Sparse<bool>::index (i, j, resize_ok); } SparseBoolMatrix SparseBoolMatrix::reshape (const dim_vector& new_dims) const { return Sparse<bool>::reshape (new_dims); } SparseBoolMatrix SparseBoolMatrix::permute (const Array<octave_idx_type>& vec, bool inv) const { return Sparse<bool>::permute (vec, inv); } SparseBoolMatrix SparseBoolMatrix::ipermute (const Array<octave_idx_type>& vec) const { return Sparse<bool>::ipermute (vec); } SPARSE_SMS_EQNE_OPS (SparseBoolMatrix, false, , bool, false, ) SPARSE_SMS_BOOL_OPS (SparseBoolMatrix, bool, false) SPARSE_SSM_EQNE_OPS (bool, false, , SparseBoolMatrix, false, ) SPARSE_SSM_BOOL_OPS (bool, SparseBoolMatrix, false) SPARSE_SMSM_EQNE_OPS (SparseBoolMatrix, false, , SparseBoolMatrix, false, ) SPARSE_SMSM_BOOL_OPS (SparseBoolMatrix, SparseBoolMatrix, false)