Mercurial > octave
view libinterp/octave-value/ov-cx-diag.cc @ 27277:db687716fed6
style fixes: generally aim to break long lines before operators, not after
Files affected: Table.cc, dw-main-window.cc, file-editor-tab.cc,
file-editor.cc, main-window.cc, build-env.in.cc, __ichol__.cc,
__magick_read__.cc, besselj.cc, bsxfun.cc, cellfun.cc, data.cc,
dlmread.cc, error.cc, fcn-info.cc, file-io.cc, gl-render.cc,
gl2ps-print.cc, graphics.cc, load-save.cc, ls-mat4.cc, ls-mat5.cc,
matrix_type.cc, mex.cc, oct-stream.cc, pr-output.cc, quadcc.cc,
rand.cc, sparse-xpow.cc, syscalls.cc, sysdep.cc, utils.cc,
__init_fltk__.cc, __init_gnuplot__.cc, chol.cc, fftw.cc, qr.cc,
cdef-class.cc, cdef-object.cc, ov-bool-sparse.cc, ov-cell.cc,
ov-class.cc, ov-cx-diag.cc, ov-cx-sparse.cc, ov-fcn-handle.cc,
ov-flt-cx-diag.cc, ov-flt-re-diag.cc, ov-str-mat.cc, ov-struct.cc,
ov.cc, op-b-sbm.cc, op-bm-sbm.cc, op-cdm-cdm.cc, op-scm-scm.cc,
op-sm-scm.cc, op-sm-sm.cc, jit-typeinfo.cc, pt-cbinop.cc, pt-cbinop.h,
pt-eval.cc, CSparse.cc, MatrixType.cc, dSparse.cc, eigs-base.cc,
lo-specfun.cc, oct-fftw.cc, cmd-edit.cc, lo-regexp.cc, oct-inttypes.h,
url-transfer.cc, mkoctfile.in.cc, and octave-svgconvert.cc.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Sun, 21 Jul 2019 10:21:01 -0400 |
parents | 586413770c7f |
children | b442ec6dda5c |
line wrap: on
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/* Copyright (C) 2008-2019 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 <https://www.gnu.org/licenses/>. */ #if defined (HAVE_CONFIG_H) # include "config.h" #endif #include "byte-swap.h" #include "ov-cx-diag.h" #include "ov-flt-cx-diag.h" #include "ov-re-diag.h" #include "ov-base-diag.cc" #include "ov-complex.h" #include "ov-cx-mat.h" #include "ls-utils.h" template class octave_base_diag<ComplexDiagMatrix, ComplexMatrix>; DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_complex_diag_matrix, "complex diagonal matrix", "double"); static octave_base_value * default_numeric_conversion_function (const octave_base_value& a) { const octave_complex_diag_matrix& v = dynamic_cast<const octave_complex_diag_matrix&> (a); return new octave_complex_matrix (v.complex_matrix_value ()); } octave_base_value::type_conv_info octave_complex_diag_matrix::numeric_conversion_function (void) const { return octave_base_value::type_conv_info (default_numeric_conversion_function, octave_complex_matrix::static_type_id ()); } static octave_base_value * default_numeric_demotion_function (const octave_base_value& a) { const octave_complex_diag_matrix& v = dynamic_cast<const octave_complex_diag_matrix&> (a); return new octave_float_complex_diag_matrix (v.float_complex_diag_matrix_value ()); } octave_base_value::type_conv_info octave_complex_diag_matrix::numeric_demotion_function (void) const { return octave_base_value::type_conv_info (default_numeric_demotion_function, octave_float_complex_diag_matrix::static_type_id ()); } octave_base_value * octave_complex_diag_matrix::try_narrowing_conversion (void) { octave_base_value *retval = nullptr; if (matrix.nelem () == 1) { retval = new octave_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_diag_matrix (::real (matrix)); } return retval; } DiagMatrix octave_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_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_complex_diag_matrix::complex_diag_matrix_value (bool) const { return matrix; } FloatComplexDiagMatrix octave_complex_diag_matrix::float_complex_diag_matrix_value (bool) const { return FloatComplexDiagMatrix (matrix); } octave_value octave_complex_diag_matrix::as_double (void) const { return matrix; } octave_value octave_complex_diag_matrix::as_single (void) const { return FloatComplexDiagMatrix (matrix); } octave_value octave_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: { ComplexColumnVector tmp = matrix.extract_diag ().map<Complex> (std::sqrt); ComplexDiagMatrix retval (tmp); retval.resize (matrix.rows (), matrix.columns ()); return retval; } default: return to_dense ().map (umap); } } bool octave_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); ComplexMatrix m = ComplexMatrix (matrix.extract_diag ()); save_type st = LS_DOUBLE; if (save_as_floats) { if (m.too_large_for_float ()) { warning ("save: some values too large to save as floats --"); warning ("save: saving as doubles instead"); } else st = LS_FLOAT; } else if (matrix.length () > 4096) // FIXME: make this configurable. { double max_val, min_val; if (m.all_integers (max_val, min_val)) st = get_save_type (max_val, min_val); } const Complex *mtmp = m.data (); write_doubles (os, reinterpret_cast<const double *> (mtmp), st, 2 * m.numel ()); return true; } bool octave_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); } ComplexDiagMatrix m (r, c); Complex *im = m.fortran_vec (); octave_idx_type len = m.length (); read_doubles (is, reinterpret_cast<double *> (im), static_cast<save_type> (tmp), 2 * len, swap, fmt); if (! is) return false; matrix = m; return true; } bool octave_complex_diag_matrix::chk_valid_scalar (const octave_value& val, Complex& x) const { bool retval = val.is_complex_scalar () || val.is_real_scalar (); if (retval) x = val.complex_value (); return retval; } /* %!assert <*36368> (diag ([1+i, 1-i])^2 , diag ([2i, -2i]), 4*eps) */