Mercurial > octave
view libinterp/octave-value/ov-cx-diag.cc @ 26399:586413770c7f
pass save_as_floats by value in octave_value save_binary functions
* ov.h (octave_value::save_binary): Pass save_as_floats parameter by
value.
* ov-base.h, ov-base.cc (octave_base_value::save_binary): Likewise.
* ov-base-int.cc, ov-base-int.h, ov-bool-mat.cc, ov-bool-mat.h,
ov-bool-sparse.cc, ov-bool-sparse.h, ov-bool.cc, ov-bool.h,
ov-cell.cc, ov-cell.h, ov-class.cc, ov-class.h, ov-complex.cc,
ov-complex.h, ov-cx-diag.cc, ov-cx-diag.h, ov-cx-mat.cc, ov-cx-mat.h,
ov-cx-sparse.cc, ov-cx-sparse.h, ov-fcn-handle.cc, ov-fcn-handle.h,
ov-fcn-inline.cc, ov-fcn-inline.h, ov-float.cc, ov-float.h,
ov-flt-complex.cc, ov-flt-complex.h, ov-flt-cx-diag.cc,
ov-flt-cx-diag.h, ov-flt-cx-mat.cc, ov-flt-cx-mat.h,
ov-flt-re-diag.cc, ov-flt-re-diag.h, ov-flt-re-mat.cc,
ov-flt-re-mat.h, ov-java.cc, ov-java.h, ov-lazy-idx.cc, ov-lazy-idx.h,
ov-oncleanup.cc, ov-oncleanup.h, ov-perm.cc, ov-perm.h, ov-range.cc,
ov-range.h, ov-re-diag.cc, ov-re-diag.h, ov-re-mat.cc, ov-re-mat.h,
ov-re-sparse.cc, ov-re-sparse.h, ov-scalar.cc, ov-scalar.h,
ov-str-mat.cc, ov-str-mat.h, ov-struct.cc, ov-struct.h:
Pass save_as_floats parameter by value in all classes derived from
octave_base_value.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Thu, 03 Jan 2019 09:36:00 -0500 |
parents | 00f796120a6d |
children | db687716fed6 |
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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) */