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/*
Copyright (C) 1996-2015 John W. Eaton
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 "mx-base.h"
#include "gripes.h"
#include "mxarray.h"
#include "oct-hdf5.h"
#include "oct-obj.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-ascii.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 OCTINTERP_API 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)
{
CAST_CONV_ARG (const octave_bool&);
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.do_index_op (idx, resize_ok);
}
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_double (os, d);
os << "\n";
return true;
}
bool
octave_bool::load_ascii (std::istream& is)
{
scalar = (octave_read_value<double> (is) != 0.);
if (!is)
{
error ("load: failed to load scalar constant");
return false;
}
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 */,
oct_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];
hid_t space_hid, data_hid;
space_hid = data_hid = -1;
space_hid = H5Screate_simple (0, dimens, 0);
if (space_hid < 0) return false;
#if HAVE_HDF5_18
data_hid = H5Dcreate (loc_id, name, H5T_NATIVE_DOUBLE, space_hid,
H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
#else
data_hid = H5Dcreate (loc_id, name, H5T_NATIVE_DOUBLE, space_hid,
H5P_DEFAULT);
#endif
if (data_hid < 0)
{
H5Sclose (space_hid);
return false;
}
double tmp = double_value ();
retval = H5Dwrite (data_hid, H5T_NATIVE_DOUBLE, H5S_ALL, H5S_ALL,
H5P_DEFAULT, &tmp) >= 0;
H5Dclose (data_hid);
H5Sclose (space_hid);
#else
gripe_save ("hdf5");
#endif
return retval;
}
bool
octave_bool::load_hdf5 (octave_hdf5_id loc_id, const char *name)
{
#if defined (HAVE_HDF5)
#if HAVE_HDF5_18
hid_t data_hid = H5Dopen (loc_id, name, 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, H5S_ALL, H5S_ALL,
H5P_DEFAULT, &dtmp) < 0)
{
H5Dclose (data_hid);
return false;
}
scalar = (dtmp != 0.);
H5Dclose (data_hid);
#else
gripe_load ("hdf5");
#endif
return true;
}
mxArray *
octave_bool::as_mxArray (void) const
{
mxArray *retval = new mxArray (mxLOGICAL_CLASS, 1, 1, mxREAL);
bool *pr = static_cast<bool *> (retval->get_data ());
pr[0] = scalar;
return retval;
}
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