Mercurial > octave
view libinterp/octave-value/ov-base-mat.cc @ 25438:cb1606f78f6b
prefer <istream>, <ostream>, or <iosfwd> to <iostream> where possible
Using <iostream> brings with it a static initializer for the std::cin,
std::cout, and std::cerr streams. In most cases they are not needed
and should be avoided if possible.
Files affected:
build-aux/mk-opts.pl
libgui/qterminal/libqterminal/win32/QWinTerminalImpl.cpp
libinterp/corefcn/__dsearchn__.cc
libinterp/corefcn/c-file-ptr-stream.cc
libinterp/corefcn/c-file-ptr-stream.h
libinterp/corefcn/daspk.cc
libinterp/corefcn/dasrt.cc
libinterp/corefcn/dassl.cc
libinterp/corefcn/defaults.cc
libinterp/corefcn/defun.cc
libinterp/corefcn/file-io.cc
libinterp/corefcn/ft-text-renderer.cc
libinterp/corefcn/gl-render.cc
libinterp/corefcn/help.cc
libinterp/corefcn/ls-ascii-helper.cc
libinterp/corefcn/ls-hdf5.cc
libinterp/corefcn/ls-hdf5.h
libinterp/corefcn/ls-mat-ascii.cc
libinterp/corefcn/ls-mat4.cc
libinterp/corefcn/ls-mat5.cc
libinterp/corefcn/ls-oct-binary.cc
libinterp/corefcn/ls-oct-text.cc
libinterp/corefcn/lsode.cc
libinterp/corefcn/oct-iostrm.cc
libinterp/corefcn/oct-procbuf.cc
libinterp/corefcn/oct-stdstrm.h
libinterp/corefcn/procstream.cc
libinterp/corefcn/procstream.h
libinterp/corefcn/quad.cc
libinterp/corefcn/symscope.h
libinterp/corefcn/symtab.h
libinterp/corefcn/toplev.cc
libinterp/corefcn/urlwrite.cc
libinterp/corefcn/utils.cc
libinterp/corefcn/zfstream.cc
libinterp/dldfcn/__ode15__.cc
libinterp/dldfcn/convhulln.cc
libinterp/octave-value/ov-base-diag.cc
libinterp/octave-value/ov-base-int.cc
libinterp/octave-value/ov-base-mat.cc
libinterp/octave-value/ov-base-scalar.cc
libinterp/octave-value/ov-base-sparse.cc
libinterp/octave-value/ov-base.cc
libinterp/octave-value/ov-bool-mat.cc
libinterp/octave-value/ov-bool-sparse.cc
libinterp/octave-value/ov-bool.cc
libinterp/octave-value/ov-cell.cc
libinterp/octave-value/ov-ch-mat.cc
libinterp/octave-value/ov-class.cc
libinterp/octave-value/ov-colon.cc
libinterp/octave-value/ov-complex.cc
libinterp/octave-value/ov-cs-list.cc
libinterp/octave-value/ov-cx-mat.cc
libinterp/octave-value/ov-cx-sparse.cc
libinterp/octave-value/ov-fcn-handle.cc
libinterp/octave-value/ov-fcn-inline.cc
libinterp/octave-value/ov-float.cc
libinterp/octave-value/ov-flt-complex.cc
libinterp/octave-value/ov-flt-cx-mat.cc
libinterp/octave-value/ov-flt-re-mat.cc
libinterp/octave-value/ov-int16.cc
libinterp/octave-value/ov-int32.cc
libinterp/octave-value/ov-int64.cc
libinterp/octave-value/ov-int8.cc
libinterp/octave-value/ov-java.cc
libinterp/octave-value/ov-range.cc
libinterp/octave-value/ov-re-mat.cc
libinterp/octave-value/ov-re-sparse.cc
libinterp/octave-value/ov-scalar.cc
libinterp/octave-value/ov-str-mat.cc
libinterp/octave-value/ov-struct.cc
libinterp/octave-value/ov-typeinfo.cc
libinterp/octave-value/ov-uint16.cc
libinterp/octave-value/ov-uint32.cc
libinterp/octave-value/ov-uint64.cc
libinterp/octave-value/ov-uint8.cc
libinterp/octave.cc
libinterp/parse-tree/bp-table.cc
libinterp/parse-tree/lex.h
libinterp/parse-tree/profiler.cc
libinterp/parse-tree/pt-arg-list.cc
libinterp/parse-tree/pt-array-list.cc
libinterp/parse-tree/pt-assign.cc
libinterp/parse-tree/pt-cell.cc
libinterp/parse-tree/pt-const.cc
libinterp/parse-tree/pt-eval.cc
libinterp/parse-tree/pt-exp.cc
libinterp/parse-tree/pt-fcn-handle.cc
libinterp/parse-tree/pt-jit.cc
libinterp/parse-tree/pt-pr-code.cc
libinterp/parse-tree/pt-tm-const.cc
libinterp/parse-tree/pt.cc
liboctave/array/Array.cc
liboctave/array/CColVector.cc
liboctave/array/CDiagMatrix.cc
liboctave/array/CMatrix.cc
liboctave/array/CNDArray.cc
liboctave/array/CRowVector.cc
liboctave/array/CSparse.cc
liboctave/array/DiagArray2.cc
liboctave/array/MArray.cc
liboctave/array/Range.cc
liboctave/array/Sparse.cc
liboctave/array/boolMatrix.cc
liboctave/array/boolSparse.cc
liboctave/array/chMatrix.cc
liboctave/array/dColVector.cc
liboctave/array/dDiagMatrix.cc
liboctave/array/dMatrix.cc
liboctave/array/dNDArray.cc
liboctave/array/dRowVector.cc
liboctave/array/dSparse.cc
liboctave/array/fCColVector.cc
liboctave/array/fCDiagMatrix.cc
liboctave/array/fCMatrix.cc
liboctave/array/fCNDArray.cc
liboctave/array/fCRowVector.cc
liboctave/array/fColVector.cc
liboctave/array/fDiagMatrix.cc
liboctave/array/fMatrix.cc
liboctave/array/fNDArray.cc
liboctave/array/fRowVector.cc
liboctave/array/idx-vector.cc
liboctave/numeric/CollocWt.cc
liboctave/numeric/eigs-base.cc
liboctave/system/file-ops.cc
liboctave/system/oct-time.cc
liboctave/util/cmd-hist.cc
liboctave/util/data-conv.cc
liboctave/util/data-conv.h
liboctave/util/file-info.cc
liboctave/util/lo-utils.cc
liboctave/util/lo-utils.h
liboctave/util/quit.cc
liboctave/util/str-vec.cc
liboctave/util/url-transfer.cc
liboctave/util/url-transfer.h
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Thu, 07 Jun 2018 10:11:54 -0400 |
parents | 6652d3823428 |
children | 00f796120a6d |
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/* Copyright (C) 1996-2018 John W. Eaton Copyright (C) 2009-2010 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 <https://www.gnu.org/licenses/>. */ // This file should not include config.h. It is only included in other // C++ source files that should have included config.h before including // this file. #include <ostream> #include <sstream> #include "Array-util.h" #include "Cell.h" #include "errwarn.h" #include "ovl.h" #include "oct-map.h" #include "ov-base.h" #include "ov-base-mat.h" #include "ov-base-scalar.h" #include "pr-output.h" template <typename MT> octave_value octave_base_matrix<MT>::subsref (const std::string& type, const std::list<octave_value_list>& idx) { octave_value retval; switch (type[0]) { case '(': retval = do_index_op (idx.front ()); break; case '{': case '.': { std::string nm = type_name (); error ("%s cannot be indexed with %c", nm.c_str (), type[0]); } break; default: panic_impossible (); } return retval.next_subsref (type, idx); } template <typename MT> octave_value octave_base_matrix<MT>::subsasgn (const std::string& type, const std::list<octave_value_list>& idx, const octave_value& rhs) { octave_value retval; switch (type[0]) { case '(': { if (type.length () == 1) retval = numeric_assign (type, idx, rhs); else if (isempty ()) { // Allow conversion of empty matrix to some other type in // cases like // // x = []; x(i).f = rhs if (type[1] != '.') error ("invalid assignment expression"); octave_value tmp = octave_value::empty_conv (type, rhs); retval = tmp.subsasgn (type, idx, rhs); } else { std::string nm = type_name (); error ("in indexed assignment of %s, last lhs index must be ()", nm.c_str ()); } } break; case '{': case '.': { if (! isempty ()) { std::string nm = type_name (); error ("%s cannot be indexed with %c", nm.c_str (), type[0]); } octave_value tmp = octave_value::empty_conv (type, rhs); retval = tmp.subsasgn (type, idx, rhs); } break; default: panic_impossible (); } return retval; } template <typename MT> octave_value octave_base_matrix<MT>::do_index_op (const octave_value_list& idx, bool resize_ok) { octave_value retval; octave_idx_type n_idx = idx.length (); int nd = matrix.ndims (); const MT& cmatrix = matrix; // If we catch an indexing error in index_vector, we flag an error in // index k. Ensure it is the right value befor each idx_vector call. // Same variable as used in the for loop in the default case. octave_idx_type k = 0; try { switch (n_idx) { case 0: retval = matrix; break; case 1: { idx_vector i = idx (0).index_vector (); // optimize single scalar index. if (! resize_ok && i.is_scalar ()) retval = cmatrix.checkelem (i(0)); else retval = MT (matrix.index (i, resize_ok)); } break; case 2: { idx_vector i = idx (0).index_vector (); k=1; idx_vector j = idx (1).index_vector (); // optimize two scalar indices. if (! resize_ok && i.is_scalar () && j.is_scalar ()) retval = cmatrix.checkelem (i(0), j(0)); else retval = MT (matrix.index (i, j, resize_ok)); } break; default: { Array<idx_vector> idx_vec (dim_vector (n_idx, 1)); bool scalar_opt = n_idx == nd && ! resize_ok; const dim_vector dv = matrix.dims (); for (k = 0; k < n_idx; k++) { idx_vec(k) = idx(k).index_vector (); scalar_opt = (scalar_opt && idx_vec(k).is_scalar ()); } if (scalar_opt) retval = cmatrix.checkelem (conv_to_int_array (idx_vec)); else retval = MT (matrix.index (idx_vec, resize_ok)); } break; } } catch (octave::index_exception& e) { // Rethrow to allow more info to be reported later. e.set_pos_if_unset (n_idx, k+1); throw; } return retval; } template <typename MT> void octave_base_matrix<MT>::assign (const octave_value_list& idx, const MT& rhs) { octave_idx_type n_idx = idx.length (); // If we catch an indexing error in index_vector, we flag an error in // index k. Ensure it is the right value befor each idx_vector call. // Same variable as used in the for loop in the default case. octave_idx_type k = 0; try { switch (n_idx) { case 0: panic_impossible (); break; case 1: { idx_vector i = idx (0).index_vector (); matrix.assign (i, rhs); } break; case 2: { idx_vector i = idx (0).index_vector (); k = 1; idx_vector j = idx (1).index_vector (); matrix.assign (i, j, rhs); } break; default: { Array<idx_vector> idx_vec (dim_vector (n_idx, 1)); for (k = 0; k < n_idx; k++) idx_vec(k) = idx(k).index_vector (); matrix.assign (idx_vec, rhs); } break; } } catch (const octave::index_exception& e) { octave::err_invalid_index (e.idx (), n_idx, k+1); } // Clear cache. clear_cached_info (); } template <typename MT> MatrixType octave_base_matrix<MT>::matrix_type (const MatrixType& _typ) const { delete typ; typ = new MatrixType (_typ); return *typ; } template <typename MT> void octave_base_matrix<MT>::assign (const octave_value_list& idx, typename MT::element_type rhs) { octave_idx_type n_idx = idx.length (); int nd = matrix.ndims (); MT mrhs (dim_vector (1, 1), rhs); // If we catch an indexing error in index_vector, we flag an error in // index k. Ensure it is the right value befor each idx_vector call. // Same variable as used in the for loop in the default case. octave_idx_type k = 0; try { switch (n_idx) { case 0: panic_impossible (); break; case 1: { idx_vector i = idx (0).index_vector (); // optimize single scalar index. if (i.is_scalar () && i(0) < matrix.numel ()) matrix(i(0)) = rhs; else matrix.assign (i, mrhs); } break; case 2: { idx_vector i = idx (0).index_vector (); k = 1; idx_vector j = idx (1).index_vector (); // optimize two scalar indices. if (i.is_scalar () && j.is_scalar () && nd == 2 && i(0) < matrix.rows () && j(0) < matrix.columns ()) matrix(i(0), j(0)) = rhs; else matrix.assign (i, j, mrhs); } break; default: { Array<idx_vector> idx_vec (dim_vector (n_idx, 1)); bool scalar_opt = n_idx == nd; const dim_vector dv = matrix.dims ().redim (n_idx); for (k = 0; k < n_idx; k++) { idx_vec(k) = idx(k).index_vector (); scalar_opt = (scalar_opt && idx_vec(k).is_scalar () && idx_vec(k)(0) < dv(k)); } if (scalar_opt) { // optimize all scalar indices. Don't construct // an index array, but rather calc a scalar index directly. octave_idx_type n = 1; octave_idx_type j = 0; for (octave_idx_type i = 0; i < n_idx; i++) { j += idx_vec(i)(0) * n; n *= dv (i); } matrix(j) = rhs; } else matrix.assign (idx_vec, mrhs); } break; } } catch (const octave::index_exception& e) { octave::err_invalid_index (e.idx (), n_idx, k+1); } // Clear cache. clear_cached_info (); } template <typename MT> void octave_base_matrix<MT>::delete_elements (const octave_value_list& idx) { octave_idx_type len = idx.length (); Array<idx_vector> ra_idx (dim_vector (len, 1)); for (octave_idx_type i = 0; i < len; i++) ra_idx(i) = idx(i).index_vector (); matrix.delete_elements (ra_idx); // Clear cache. clear_cached_info (); } template <typename MT> octave_value octave_base_matrix<MT>::resize (const dim_vector& dv, bool fill) const { MT retval (matrix); if (fill) retval.resize (dv, 0); else retval.resize (dv); return retval; } // Return true if this matrix has all true elements (non-zero, not NA/NaN). template <typename MT> bool octave_base_matrix<MT>::is_true (void) const { bool retval = false; dim_vector dv = matrix.dims (); int nel = dv.numel (); if (nel > 0) { MT t1 (matrix.reshape (dim_vector (nel, 1))); if (t1.any_element_is_nan ()) octave::err_nan_to_logical_conversion (); if (nel > 1) warn_array_as_logical (dv); boolNDArray t2 = t1.all (); retval = t2(0); } return retval; } template <typename MT> bool octave_base_matrix<MT>::print_as_scalar (void) const { dim_vector dv = dims (); return (dv.all_ones () || dv.any_zero ()); } template <typename MT> void octave_base_matrix<MT>::print (std::ostream& os, bool pr_as_read_syntax) { print_raw (os, pr_as_read_syntax); newline (os); } template <typename MT> void octave_base_matrix<MT>::print_info (std::ostream& os, const std::string& prefix) const { matrix.print_info (os, prefix); } template <typename MT> void octave_base_matrix<MT>::short_disp (std::ostream& os) const { if (matrix.isempty ()) os << "[]"; else if (matrix.ndims () == 2) { // FIXME: should this be configurable? octave_idx_type max_elts = 10; octave_idx_type elts = 0; octave_idx_type nel = matrix.numel (); octave_idx_type nr = matrix.rows (); octave_idx_type nc = matrix.columns (); os << '['; for (octave_idx_type i = 0; i < nr; i++) { for (octave_idx_type j = 0; j < nc; j++) { std::ostringstream buf; octave_print_internal (buf, matrix(j*nr+i)); std::string tmp = buf.str (); size_t pos = tmp.find_first_not_of (' '); if (pos != std::string::npos) os << tmp.substr (pos); else if (! tmp.empty ()) os << tmp[0]; if (++elts >= max_elts) goto done; if (j < nc - 1) os << ", "; } if (i < nr - 1 && elts < max_elts) os << "; "; } done: if (nel <= max_elts) os << ']'; } else os << "..."; } template <typename MT> float_display_format octave_base_matrix<MT>::get_edit_display_format (void) const { return make_format (matrix); } template <typename MT> std::string octave_base_matrix<MT>::edit_display (const float_display_format& fmt, octave_idx_type i, octave_idx_type j) const { std::ostringstream buf; octave_print_internal (buf, fmt, matrix(i,j)); return buf.str (); } template <typename MT> octave_value octave_base_matrix<MT>::fast_elem_extract (octave_idx_type n) const { if (n < matrix.numel ()) return matrix(n); else return octave_value (); } template <typename MT> bool octave_base_matrix<MT>::fast_elem_insert (octave_idx_type n, const octave_value& x) { if (n < matrix.numel ()) { // Don't use builtin_type () here to avoid an extra VM call. typedef typename MT::element_type ET; const builtin_type_t btyp = class_to_btyp<ET>::btyp; if (btyp == btyp_unknown) // Dead branch? return false; // Set up the pointer to the proper place. void *here = reinterpret_cast<void *> (&matrix(n)); // Ask x to store there if it can. return x.get_rep ().fast_elem_insert_self (here, btyp); } else return false; }