Mercurial > jwe > octave
view libinterp/octave-value/ov-bool.cc @ 31170:06c76eca5f95 default tip @
maint: merge stable to default
author | John W. Eaton <jwe@octave.org> |
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date | Fri, 29 Jul 2022 12:02:42 -0400 |
parents | 83f9f8bda883 |
children |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 1996-2022 The Octave Project Developers // // See the file COPYRIGHT.md in the top-level directory of this // distribution or <https://octave.org/copyright/>. // // 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 <istream> #include <ostream> #include "oct-inttypes-fwd.h" #include "mx-base.h" #include "errwarn.h" #include "mxarray.h" #include "oct-hdf5.h" #include "ovl.h" #include "ops.h" #include "ov-bool.h" #include "ov-bool-mat.h" #include "ov-base.h" #include "ov-base-scalar.h" #include "ov-base-scalar.cc" #include "ov-re-mat.h" #include "ov-scalar.h" #include "pr-output.h" #include "ls-oct-text.h" #include "ls-hdf5.h" // Prevent implicit instantiations on some systems (Windows, others?) // that can lead to duplicate definitions of static data members. extern template class octave_base_scalar<double>; template class octave_base_scalar<bool>; DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_bool, "bool", "logical"); static octave_base_value * default_numeric_conversion_function (const octave_base_value& a) { const octave_bool& v = dynamic_cast<const octave_bool&> (a); return new octave_scalar (v.bool_value ()); } octave_base_value::type_conv_info octave_bool::numeric_conversion_function (void) const { return octave_base_value::type_conv_info (default_numeric_conversion_function, octave_scalar::static_type_id ()); } octave_value octave_bool::do_index_op (const octave_value_list& idx, bool resize_ok) { // FIXME: this doesn't solve the problem of // // a = 1; a([1,1], [1,1], [1,1]) // // and similar constructions. Hmm... // FIXME: using this constructor avoids narrowing the // 1x1 matrix back to a scalar value. Need a better solution // to this problem. octave_value tmp (new octave_bool_matrix (bool_matrix_value ())); return tmp.index_op (idx, resize_ok); } octave_value octave_bool::as_double (void) const { return static_cast<double> (scalar); } octave_value octave_bool::as_single (void) const { return static_cast<float> (scalar); } octave_value octave_bool::as_int8 (void) const { return octave_int8 (scalar); } octave_value octave_bool::as_int16 (void) const { return octave_int16 (scalar); } octave_value octave_bool::as_int32 (void) const { return octave_int32 (scalar); } octave_value octave_bool::as_int64 (void) const { return octave_int64 (scalar); } octave_value octave_bool::as_uint8 (void) const { return octave_uint8 (scalar); } octave_value octave_bool::as_uint16 (void) const { return octave_uint16 (scalar); } octave_value octave_bool::as_uint32 (void) const { return octave_uint32 (scalar); } octave_value octave_bool::as_uint64 (void) const { return octave_uint64 (scalar); } octave_value octave_bool::resize (const dim_vector& dv, bool fill) const { if (fill) { boolNDArray retval (dv, false); if (dv.numel ()) retval(0) = scalar; return retval; } else { boolNDArray retval (dv); if (dv.numel ()) retval(0) = scalar; return retval; } } octave_value octave_bool::convert_to_str_internal (bool, bool, char type) const { char s[2]; s[0] = static_cast<char> (scalar); s[1] = '\0'; return octave_value (s, type); } bool octave_bool::save_ascii (std::ostream& os) { double d = double_value (); octave::write_value<double> (os, d); os << "\n"; return true; } bool octave_bool::load_ascii (std::istream& is) { scalar = (octave::read_value<double> (is) != 0.0); if (! is) error ("load: failed to load scalar constant"); return true; } bool octave_bool::save_binary (std::ostream& os, bool /* save_as_floats */) { char tmp = (scalar ? 1 : 0); os.write (reinterpret_cast<char *> (&tmp), 1); return true; } bool octave_bool::load_binary (std::istream& is, bool /* swap */, octave::mach_info::float_format /* fmt */) { char tmp; if (! is.read (reinterpret_cast<char *> (&tmp), 1)) return false; scalar = (tmp ? 1 : 0); return true; } bool octave_bool::save_hdf5 (octave_hdf5_id loc_id, const char *name, bool /* save_as_floats */) { bool retval = false; #if defined (HAVE_HDF5) hsize_t dimens[3] = {0}; hid_t space_hid, data_hid; space_hid = data_hid = -1; space_hid = H5Screate_simple (0, dimens, nullptr); if (space_hid < 0) return false; #if defined (HAVE_HDF5_18) data_hid = H5Dcreate (loc_id, name, H5T_NATIVE_DOUBLE, space_hid, octave_H5P_DEFAULT, octave_H5P_DEFAULT, octave_H5P_DEFAULT); #else data_hid = H5Dcreate (loc_id, name, H5T_NATIVE_DOUBLE, space_hid, octave_H5P_DEFAULT); #endif if (data_hid < 0) { H5Sclose (space_hid); return false; } double tmp = double_value (); retval = H5Dwrite (data_hid, H5T_NATIVE_DOUBLE, octave_H5S_ALL, octave_H5S_ALL, octave_H5P_DEFAULT, &tmp) >= 0; H5Dclose (data_hid); H5Sclose (space_hid); #else octave_unused_parameter (loc_id); octave_unused_parameter (name); warn_save ("hdf5"); #endif return retval; } bool octave_bool::load_hdf5 (octave_hdf5_id loc_id, const char *name) { #if defined (HAVE_HDF5) #if defined (HAVE_HDF5_18) hid_t data_hid = H5Dopen (loc_id, name, octave_H5P_DEFAULT); #else hid_t data_hid = H5Dopen (loc_id, name); #endif hid_t space_id = H5Dget_space (data_hid); hsize_t rank = H5Sget_simple_extent_ndims (space_id); if (rank != 0) { H5Dclose (data_hid); return false; } double dtmp; if (H5Dread (data_hid, H5T_NATIVE_DOUBLE, octave_H5S_ALL, octave_H5S_ALL, octave_H5P_DEFAULT, &dtmp) < 0) { H5Dclose (data_hid); return false; } scalar = (dtmp != 0.0); H5Dclose (data_hid); #else octave_unused_parameter (loc_id); octave_unused_parameter (name); warn_load ("hdf5"); #endif return true; } mxArray * octave_bool::as_mxArray (bool interleaved) const { mxArray *retval = new mxArray (interleaved, mxLOGICAL_CLASS, 1, 1, mxREAL); mxLogical *pd = static_cast<mxLogical *> (retval->get_data ()); pd[0] = scalar; return retval; }