Mercurial > octave
view libinterp/octave-value/ov-flt-cx-diag.cc @ 23457:21baad6b35c4
maint: Use C++11 nullptr rather than 0 or NULL when possible.
* FigureWindow.h, Logger.cc, Menu.cc, MouseModeActionGroup.h, Object.h,
ObjectFactory.cc, ObjectProxy.h, color-picker.h, documentation-dock-widget.h,
files-dock-widget.h, find-files-dialog.h, history-dock-widget.h,
file-editor-tab.cc, file-editor.cc, file-editor.h, find-dialog.h,
main-window.cc, main-window.h, octave-dock-widget.h, parser.cc, parser.h,
webinfo.h, resource-manager.cc, shortcut-manager.cc, shortcut-manager.h,
terminal-dock-widget.h, welcome-wizard.cc, welcome-wizard.h, workspace-model.h,
workspace-view.h, __magick_read__.cc, call-stack.cc, call-stack.h, cdisplay.c,
display.cc, dlmread.cc, dynamic-ld.cc, ft-text-renderer.cc, gl2ps-print.cc,
graphics.cc, graphics.in.h, input.h, interpreter.cc, interpreter.h, ls-hdf5.cc,
mex.cc, mxarray.in.h, oct-errno.in.cc, oct-fstrm.cc, oct-iostrm.h,
oct-procbuf.cc, oct-stdstrm.h, oct-stream.cc, oct-stream.h, octave-link.cc,
pager.cc, pr-output.cc, profiler.h, qz.cc, sighandlers.cc, strfns.cc,
symtab.cc, symtab.h, typecast.cc, urlwrite.cc, variables.cc, __eigs__.cc,
__init_fltk__.cc, __ode15__.cc, colamd.cc, ov-base-int.cc, ov-base.cc,
ov-bool-mat.cc, ov-bool-sparse.cc, ov-builtin.cc, ov-class.cc, ov-classdef.cc,
ov-complex.cc, ov-cx-diag.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-fcn-handle.cc,
ov-fcn-inline.cc, ov-flt-complex.cc, ov-flt-cx-diag.cc, ov-flt-cx-mat.cc,
ov-flt-re-diag.cc, ov-flt-re-mat.cc, ov-java.cc, ov-java.h, ov-lazy-idx.cc,
ov-perm.cc, ov-range.cc, ov-re-diag.cc, ov-re-mat.cc, ov-re-sparse.cc,
ov-str-mat.cc, ov-struct.cc, ov-usr-fcn.h, octave.cc, octave.h, bp-table.cc,
jit-ir.cc, jit-ir.h, jit-typeinfo.cc, jit-typeinfo.h, lex.h, pt-arg-list.cc,
pt-arg-list.h, pt-array-list.h, pt-cell.h, pt-classdef.h, pt-colon.cc,
pt-decl.h, pt-eval.cc, pt-eval.h, pt-except.h, pt-idx.h, pt-jit.cc, pt-jit.h,
pt-loop.h, pt-mat.h, pt-select.h, pt.h, CSparse.cc, dSparse.cc, DASPK.cc,
DASRT.cc, DASSL.cc, oct-fftw.cc, oct-rand.cc, oct-spparms.cc, child-list.cc,
file-ops.cc, mach-info.cc, oct-env.cc, oct-time.cc, cmd-edit.cc, cmd-hist.cc,
oct-locbuf.cc, oct-shlib.cc, pathsearch.cc, singleton-cleanup.cc,
unwind-prot.h, url-transfer.cc:
Use C++11 nullptr rather than 0 or NULL when possible.
author | Rik <rik@octave.org> |
---|---|
date | Fri, 28 Apr 2017 13:19:12 -0700 |
parents | 092078913d54 |
children | 194eb4bd202b |
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/* Copyright (C) 2008-2017 Jaroslav Hajek 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 "byte-swap.h" #include "ov-flt-cx-diag.h" #include "ov-base-diag.cc" #include "ov-flt-re-diag.h" #include "ov-flt-complex.h" #include "ov-flt-cx-mat.h" #include "ls-utils.h" template class octave_base_diag<FloatComplexDiagMatrix, FloatComplexMatrix>; DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_float_complex_diag_matrix, "float complex diagonal matrix", "single"); static octave_base_value * default_numeric_conversion_function (const octave_base_value& a) { const octave_float_complex_diag_matrix& v = dynamic_cast<const octave_float_complex_diag_matrix&> (a); return new octave_float_complex_matrix (v.float_complex_matrix_value ()); } octave_base_value::type_conv_info octave_float_complex_diag_matrix::numeric_conversion_function (void) const { return octave_base_value::type_conv_info (default_numeric_conversion_function, octave_float_complex_matrix::static_type_id ()); } octave_base_value * octave_float_complex_diag_matrix::try_narrowing_conversion (void) { octave_base_value *retval = nullptr; if (matrix.nelem () == 1) { retval = new octave_float_complex (matrix (0, 0)); octave_base_value *rv2 = retval->try_narrowing_conversion (); if (rv2) { delete retval; retval = rv2; } } else if (matrix.all_elements_are_real ()) { return new octave_float_diag_matrix (::real (matrix)); } return retval; } DiagMatrix octave_float_complex_diag_matrix::diag_matrix_value (bool force_conversion) const { DiagMatrix retval; if (! force_conversion) warn_implicit_conversion ("Octave:imag-to-real", type_name (), "real matrix"); retval = ::real (matrix); return retval; } FloatDiagMatrix octave_float_complex_diag_matrix::float_diag_matrix_value (bool force_conversion) const { DiagMatrix retval; if (! force_conversion) warn_implicit_conversion ("Octave:imag-to-real", type_name (), "real matrix"); retval = ::real (matrix); return retval; } ComplexDiagMatrix octave_float_complex_diag_matrix::complex_diag_matrix_value (bool) const { return ComplexDiagMatrix (matrix); } FloatComplexDiagMatrix octave_float_complex_diag_matrix::float_complex_diag_matrix_value (bool) const { return matrix; } octave_value octave_float_complex_diag_matrix::as_double (void) const { return ComplexDiagMatrix (matrix); } octave_value octave_float_complex_diag_matrix::as_single (void) const { return matrix; } octave_value octave_float_complex_diag_matrix::map (unary_mapper_t umap) const { switch (umap) { case umap_abs: return matrix.abs (); case umap_real: return ::real (matrix); case umap_conj: return ::conj (matrix); case umap_imag: return ::imag (matrix); case umap_sqrt: { FloatComplexColumnVector tmp = matrix.extract_diag ().map<FloatComplex> (std::sqrt); FloatComplexDiagMatrix retval (tmp); retval.resize (matrix.rows (), matrix.columns ()); return retval; } default: return to_dense ().map (umap); } } bool octave_float_complex_diag_matrix::save_binary (std::ostream& os, bool& /* save_as_floats */) { int32_t r = matrix.rows (); int32_t c = matrix.cols (); os.write (reinterpret_cast<char *> (&r), 4); os.write (reinterpret_cast<char *> (&c), 4); FloatComplexMatrix m = FloatComplexMatrix (matrix.extract_diag ()); save_type st = LS_FLOAT; if (matrix.length () > 4096) // FIXME: make this configurable. { float max_val, min_val; if (m.all_integers (max_val, min_val)) st = get_save_type (max_val, min_val); } const FloatComplex *mtmp = m.data (); write_floats (os, reinterpret_cast<const float *> (mtmp), st, 2 * m.numel ()); return true; } bool octave_float_complex_diag_matrix::load_binary (std::istream& is, bool swap, octave::mach_info::float_format fmt) { int32_t r, c; char tmp; if (! (is.read (reinterpret_cast<char *> (&r), 4) && is.read (reinterpret_cast<char *> (&c), 4) && is.read (reinterpret_cast<char *> (&tmp), 1))) return false; if (swap) { swap_bytes<4> (&r); swap_bytes<4> (&c); } FloatComplexDiagMatrix m (r, c); FloatComplex *re = m.fortran_vec (); octave_idx_type len = m.length (); read_floats (is, reinterpret_cast<float *> (re), static_cast<save_type> (tmp), 2 * len, swap, fmt); if (! is) return false; matrix = m; return true; } bool octave_float_complex_diag_matrix::chk_valid_scalar (const octave_value& val, FloatComplex& x) const { bool retval = val.is_complex_scalar () || val.is_real_scalar (); if (retval) x = val.float_complex_value (); return retval; }