/usr/include/mapnik/function_call.hpp is in libmapnik-dev 3.0.9+ds-1.
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 | /*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2015 Artem Pavlenko
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*****************************************************************************/
#ifndef MAPNIK_FUNCTION_CALL_HPP
#define MAPNIK_FUNCTION_CALL_HPP
#include <mapnik/value.hpp>
#include <functional>
#include <algorithm>
#include <cmath>
namespace mapnik {
using value_type = mapnik::value;
using unary_function_impl = std::function<value_type(value_type const&)>;
using binary_function_impl = std::function<value_type(value_type const&, value_type const&)>;
char const* unary_function_name(unary_function_impl const& fun);
char const* binary_function_name(binary_function_impl const& fun);
// functions
// exp
struct exp_impl
{
//using type = T;
value_type operator() (value_type const& val) const
{
return std::exp(val.to_double());
}
};
// sin
struct sin_impl
{
value_type operator() (value_type const& val) const
{
return std::sin(val.to_double());
}
};
// cos
struct cos_impl
{
value_type operator() (value_type const& val) const
{
return std::cos(val.to_double());
}
};
// tan
struct tan_impl
{
value_type operator() (value_type const& val) const
{
return std::tan(val.to_double());
}
};
// atan
struct atan_impl
{
value_type operator()(value_type const& val) const
{
return std::atan(val.to_double());
}
};
// abs
struct abs_impl
{
value_type operator() (value_type const& val) const
{
return std::fabs(val.to_double());
}
};
// length
struct length_impl
{
value_type operator() (value_type const& val) const
{
return val.to_unicode().length();
}
};
// min
inline value_type min_impl(value_type const& arg1, value_type const& arg2)
{
return std::min(arg1.to_double(), arg2.to_double());
}
// max
inline value_type max_impl(value_type const& arg1, value_type const& arg2)
{
return std::max(arg1.to_double(), arg2.to_double());
}
// pow
inline value_type pow_impl(value_type const& arg1, value_type const& arg2)
{
return std::pow(arg1.to_double(), arg2.to_double());
}
} // namespace mapnik
#endif // MAPNIK_FUNCTION_CALL_HPP
|