/usr/include/octave-3.8.1/octave/data-conv.h is in liboctave-dev 3.8.1-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Copyright (C) 1996-2013 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/>.
*/
#if !defined (octave_data_conv_h)
#define octave_data_conv_h 1
#include <limits>
#include "mach-info.h"
#include "oct-inttypes.h"
class
OCTAVE_API
oct_data_conv
{
public:
enum data_type
{
dt_int8 = 0,
dt_uint8 = 1,
dt_int16 = 2,
dt_uint16 = 3,
dt_int32 = 4,
dt_uint32 = 5,
dt_int64 = 6,
dt_uint64 = 7,
dt_single = 8,
dt_double = 9,
dt_char = 10,
dt_schar = 11,
dt_uchar = 12,
dt_logical = 13,
dt_short = 14,
dt_ushort = 15,
dt_int = 16,
dt_uint = 17,
dt_long = 18,
dt_ulong = 19,
dt_longlong = 20,
dt_ulonglong = 21,
dt_float = 22,
dt_unknown = 23 // Must be last, have largest value!
};
static size_t data_type_size (data_type dt);
static data_type string_to_data_type (const std::string& s);
static void string_to_data_type (const std::string& s, int& block_size,
data_type& input_type,
data_type& output_type);
static void string_to_data_type (const std::string& s, int& block_size,
data_type& output_type);
static std::string data_type_as_string (data_type dt);
};
// Add new entries to the end of this enum, otherwise Octave will not
// be able to read binary data files stored in Octave's binary data
// format that were created with previous versions of Octave.
enum save_type
{
LS_U_CHAR = 0,
LS_U_SHORT = 1,
LS_U_INT = 2,
LS_CHAR = 3,
LS_SHORT = 4,
LS_INT = 5,
LS_FLOAT = 6,
LS_DOUBLE = 7,
LS_U_LONG = 8,
LS_LONG = 9
};
extern OCTAVE_API void
do_double_format_conversion (void *data, octave_idx_type len,
oct_mach_info::float_format from_fmt,
oct_mach_info::float_format to_fmt
= oct_mach_info::native_float_format ());
extern OCTAVE_API void
do_float_format_conversion (void *data, octave_idx_type len,
oct_mach_info::float_format from_fmt,
oct_mach_info::float_format to_fmt
= oct_mach_info::native_float_format ());
extern OCTAVE_API void
do_float_format_conversion (void *data, size_t sz, octave_idx_type len,
oct_mach_info::float_format from_fmt,
oct_mach_info::float_format to_fmt
= oct_mach_info::native_float_format ());
extern OCTAVE_API void
read_doubles (std::istream& is, double *data, save_type type,
octave_idx_type len, bool swap, oct_mach_info::float_format fmt);
extern OCTAVE_API void
write_doubles (std::ostream& os, const double *data, save_type type,
octave_idx_type len);
extern OCTAVE_API void
read_floats (std::istream& is, float *data, save_type type,
octave_idx_type len, bool swap, oct_mach_info::float_format fmt);
extern OCTAVE_API void
write_floats (std::ostream& os, const float *data, save_type type,
octave_idx_type len);
template <typename T>
inline bool
is_equivalent_type (oct_data_conv::data_type)
{
return false;
}
template <>
inline bool
is_equivalent_type<int8_t> (oct_data_conv::data_type t)
{
return t == oct_data_conv::dt_int8;
}
template <>
inline bool
is_equivalent_type<int16_t> (oct_data_conv::data_type t)
{
return t == oct_data_conv::dt_int16;
}
template <>
inline bool
is_equivalent_type<int32_t> (oct_data_conv::data_type t)
{
return t == oct_data_conv::dt_int32;
}
template <>
inline bool
is_equivalent_type<int64_t> (oct_data_conv::data_type t)
{
return t == oct_data_conv::dt_int64;
}
template <>
inline bool
is_equivalent_type<uint8_t> (oct_data_conv::data_type t)
{
return t == oct_data_conv::dt_uint8;
}
template <>
inline bool
is_equivalent_type<uint16_t> (oct_data_conv::data_type t)
{
return t == oct_data_conv::dt_uint16;
}
template <>
inline bool
is_equivalent_type<uint32_t> (oct_data_conv::data_type t)
{
return t == oct_data_conv::dt_uint32;
}
template <>
inline bool
is_equivalent_type<uint64_t> (oct_data_conv::data_type t)
{
return t == oct_data_conv::dt_uint64;
}
template <>
inline bool
is_equivalent_type<octave_int8> (oct_data_conv::data_type t)
{
return t == oct_data_conv::dt_int8;
}
template <>
inline bool
is_equivalent_type<octave_int16> (oct_data_conv::data_type t)
{
return t == oct_data_conv::dt_int16;
}
template <>
inline bool
is_equivalent_type<octave_int32> (oct_data_conv::data_type t)
{
return t == oct_data_conv::dt_int32;
}
template <>
inline bool
is_equivalent_type<octave_int64> (oct_data_conv::data_type t)
{
return t == oct_data_conv::dt_int64;
}
template <>
inline bool
is_equivalent_type<octave_uint8> (oct_data_conv::data_type t)
{
return t == oct_data_conv::dt_uint8;
}
template <>
inline bool
is_equivalent_type<octave_uint16> (oct_data_conv::data_type t)
{
return t == oct_data_conv::dt_uint16;
}
template <>
inline bool
is_equivalent_type<octave_uint32> (oct_data_conv::data_type t)
{
return t == oct_data_conv::dt_uint32;
}
template <>
inline bool
is_equivalent_type<octave_uint64> (oct_data_conv::data_type t)
{
return t == oct_data_conv::dt_uint64;
}
template <>
inline bool
is_equivalent_type<double> (oct_data_conv::data_type t)
{
return t == oct_data_conv::dt_double;
}
template <>
inline bool
is_equivalent_type<float> (oct_data_conv::data_type t)
{
return t == oct_data_conv::dt_single || t == oct_data_conv::dt_float;
}
#endif
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