Mercurial > octave
view libinterp/octave-value/ov-base-mat.cc @ 21139:538b57866b90
consistently use "typename" intead of "class" in template declarations
* Object.h, QtHandlesUtils.cc, QtHandlesUtils.h, ToolBarButton.cc,
ToolBarButton.h, Cell.h, __lin_interpn__.cc, bitfcns.cc, bsxfun.cc,
cellfun.cc, data.cc, filter.cc, gcd.cc, graphics.cc, help.cc, kron.cc,
lookup.cc, ls-mat5.cc, ls-oct-text.h, lu.cc, max.cc, mgorth.cc,
oct-map.cc, oct-map.h, oct-stream.cc, oct-stream.h, octave-link.h,
pr-output.cc, profiler.h, schur.cc, sparse-xdiv.cc, sparse-xpow.cc,
sqrtm.cc, symtab.h, tril.cc, typecast.cc, variables.cc, xdiv.cc,
zfstream.h, __init_fltk__.cc, __magick_read__.cc, chol.cc, qr.cc,
ov-base-diag.cc, ov-base-diag.h, ov-base-int.cc, ov-base-int.h,
ov-base-mat.cc, ov-base-mat.h, ov-base-scalar.cc, ov-base-scalar.h,
ov-base-sparse.cc, ov-base-sparse.h, ov-base.h, ov-classdef.cc,
ov-int-traits.h, ov-java.h, ov-usr-fcn.h, ov.cc, ov.h,
op-dms-template.cc, oct-parse.in.yy, parse.h, pt-mat.cc, Array-b.cc,
Array.cc, Array.h, CDiagMatrix.h, CMatrix.h, CNDArray.h,
DiagArray2.cc, DiagArray2.h, MArray.cc, MArray.h, MDiagArray2.cc,
MDiagArray2.h, MSparse.cc, MSparse.h, MatrixType.cc, Sparse.cc,
Sparse.h, dDiagMatrix.h, dMatrix.h, dNDArray.h, fCDiagMatrix.h,
fCMatrix.h, fCNDArray.h, fDiagMatrix.h, fMatrix.h, fNDArray.h,
idx-vector.cc, idx-vector.h, intNDArray.cc, intNDArray.h, DET.h,
base-aepbal.h, base-lu.cc, base-lu.h, base-qr.cc, base-qr.h,
bsxfun-defs.cc, eigs-base.cc, lo-mappers.h, lo-specfun.cc,
lo-specfun.h, oct-convn.cc, oct-fftw.cc, oct-norm.cc,
sparse-base-chol.cc, sparse-base-chol.h, sparse-base-lu.cc,
sparse-base-lu.h, sparse-dmsolve.cc, mx-inlines.cc,
action-container.h, base-list.h, lo-traits.h, lo-utils.h,
oct-base64.h, oct-binmap.h, oct-cmplx.h, oct-inttypes.cc,
oct-inttypes.h, oct-locbuf.h, oct-refcount.h, oct-sort.cc, oct-sort.h:
Use "typename" instead of "class" in template declarations.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Sun, 24 Jan 2016 13:50:04 -0500 |
parents | 3ac9f47fb04b |
children | fcac5dbbf9ed |
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/* Copyright (C) 1996-2015 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 <http://www.gnu.org/licenses/>. */ #ifdef HAVE_CONFIG_H #include <config.h> #endif #include <iostream> #include "Array-util.h" #include "Cell.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 (is_empty ()) { // 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 (! is_empty ()) { 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 (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 index_exception& e) { 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 index_exception& e) { 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; } 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 ()) err_nan_to_logical_conversion (); 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.is_empty ()) 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> 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; }