/usr/include/octave-4.2.2/octave/lo-utils.h is in liboctave-dev 4.2.2-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 | /*
Copyright (C) 1996-2017 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_lo_utils_h)
#define octave_lo_utils_h 1
#include "octave-config.h"
#include <cstdio>
#include <iostream>
#include <string>
#include "quit.h"
#include "lo-cutils.h"
#include "oct-cmplx.h"
// Generic any/all test functionality with arbitrary predicate.
template <typename F, typename T, bool zero>
bool
any_all_test (F fcn, const T *m, octave_idx_type len)
{
octave_idx_type i;
for (i = 0; i < len - 3; i += 4)
{
octave_quit ();
if (fcn (m[i]) != zero
|| fcn (m[i+1]) != zero
|| fcn (m[i+2]) != zero
|| fcn (m[i+3]) != zero)
return ! zero;
}
octave_quit ();
for (; i < len; i++)
if (fcn (m[i]) != zero)
return ! zero;
return zero;
}
extern OCTAVE_API bool xis_int_or_inf_or_nan (double x);
extern OCTAVE_API bool xis_one_or_zero (double x);
extern OCTAVE_API bool xis_zero (double x);
extern OCTAVE_API bool xtoo_large_for_float (double x);
extern OCTAVE_API bool xtoo_large_for_float (const Complex& x);
extern OCTAVE_API bool xis_int_or_inf_or_nan (float x);
extern OCTAVE_API bool xis_one_or_zero (float x);
extern OCTAVE_API bool xis_zero (float x);
extern OCTAVE_API bool xtoo_large_for_float (float x);
extern OCTAVE_API char *strsave (const char *);
extern OCTAVE_API void
octave_putenv (const std::string&, const std::string&);
extern OCTAVE_API std::string octave_fgets (std::FILE *);
extern OCTAVE_API std::string octave_fgetl (std::FILE *);
extern OCTAVE_API std::string octave_fgets (std::FILE *, bool& eof);
extern OCTAVE_API std::string octave_fgetl (std::FILE *, bool& eof);
template <typename T>
T
octave_read_value (std::istream& is)
{
T retval;
is >> retval;
return retval;
}
template <> OCTAVE_API double octave_read_value (std::istream& is);
template <> OCTAVE_API Complex octave_read_value (std::istream& is);
template <> OCTAVE_API float octave_read_value (std::istream& is);
template <> OCTAVE_API FloatComplex octave_read_value (std::istream& is);
// The next four functions are provided for backward compatibility.
inline double
octave_read_double (std::istream& is)
{
return octave_read_value<double> (is);
}
inline Complex
octave_read_complex (std::istream& is)
{
return octave_read_value<Complex> (is);
}
inline float
octave_read_float (std::istream& is)
{
return octave_read_value<float> (is);
}
inline FloatComplex
octave_read_float_complex (std::istream& is)
{
return octave_read_value<FloatComplex> (is);
}
extern OCTAVE_API void
octave_write_double (std::ostream& os, double dval);
extern OCTAVE_API void
octave_write_complex (std::ostream& os, const Complex& cval);
extern OCTAVE_API void
octave_write_float (std::ostream& os, float dval);
extern OCTAVE_API void
octave_write_float_complex (std::ostream& os, const FloatComplex& cval);
#endif
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