/usr/include/mapnik/global.hpp is in libmapnik-dev 2.2.0+ds1-7+b2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2013 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_GLOBAL_HPP
#define MAPNIK_GLOBAL_HPP
// boost
#include <boost/cstdint.hpp>
#include <boost/detail/endian.hpp>
// stl
#include <cstring>
#include <cmath>
namespace mapnik
{
#ifdef BOOST_BIG_ENDIAN
#define MAPNIK_BIG_ENDIAN
#endif
#define int2net(A) (int16_t) (((boost::uint16_t) ((boost::uint8_t) (A)[1])) | \
(((boost::uint16_t) ((boost::uint8_t) (A)[0])) << 8))
#define int4net(A) (int32_t) (((boost::uint32_t) ((boost::uint8_t) (A)[3])) | \
(((boost::uint32_t) ((boost::uint8_t) (A)[2])) << 8) | \
(((boost::uint32_t) ((boost::uint8_t) (A)[1])) << 16) | \
(((boost::uint32_t) ((boost::uint8_t) (A)[0])) << 24))
#define int8net(A) (int64_t) (((boost::uint64_t) ((boost::uint8_t) (A)[7])) | \
(((boost::uint64_t) ((boost::uint8_t) (A)[6])) << 8) | \
(((boost::uint64_t) ((boost::uint8_t) (A)[5])) << 16) | \
(((boost::uint64_t) ((boost::uint8_t) (A)[4])) << 24) | \
(((boost::uint64_t) ((boost::uint8_t) (A)[3])) << 32) | \
(((boost::uint64_t) ((boost::uint8_t) (A)[2])) << 40) | \
(((boost::uint64_t) ((boost::uint8_t) (A)[1])) << 48) | \
(((boost::uint64_t) ((boost::uint8_t) (A)[0])) << 56))
typedef boost::uint8_t byte;
#define float8net(V,M) do { double def_temp; \
((byte*) &def_temp)[0]=(M)[7]; \
((byte*) &def_temp)[1]=(M)[6]; \
((byte*) &def_temp)[2]=(M)[5]; \
((byte*) &def_temp)[3]=(M)[4]; \
((byte*) &def_temp)[4]=(M)[3]; \
((byte*) &def_temp)[5]=(M)[2]; \
((byte*) &def_temp)[6]=(M)[1]; \
((byte*) &def_temp)[7]=(M)[0]; \
(V) = def_temp; } while(0)
#define float4net(V,M) do { float def_temp; \
((byte*) &def_temp)[0]=(M)[3]; \
((byte*) &def_temp)[1]=(M)[2]; \
((byte*) &def_temp)[2]=(M)[1]; \
((byte*) &def_temp)[3]=(M)[0]; \
(V)=def_temp; } while(0)
// read int16_t NDR (little endian)
inline void read_int16_ndr(const char* data, boost::int16_t & val)
{
#ifndef MAPNIK_BIG_ENDIAN
std::memcpy(&val,data,2);
#else
val = (data[0]&0xff) |
((data[1]&0xff)<<8);
#endif
}
// read int32_t NDR (little endian)
inline void read_int32_ndr(const char* data, boost::int32_t & val)
{
#ifndef MAPNIK_BIG_ENDIAN
std::memcpy(&val,data,4);
#else
val = (data[0]&0xff) |
((data[1]&0xff)<<8) |
((data[2]&0xff)<<16) |
((data[3]&0xff)<<24);
#endif
}
// read double NDR (little endian)
inline void read_double_ndr(const char* data, double & val)
{
#ifndef MAPNIK_BIG_ENDIAN
std::memcpy(&val,&data[0],8);
#else
boost::int64_t bits = ((boost::int64_t)data[0] & 0xff) |
((boost::int64_t)data[1] & 0xff) << 8 |
((boost::int64_t)data[2] & 0xff) << 16 |
((boost::int64_t)data[3] & 0xff) << 24 |
((boost::int64_t)data[4] & 0xff) << 32 |
((boost::int64_t)data[5] & 0xff) << 40 |
((boost::int64_t)data[6] & 0xff) << 48 |
((boost::int64_t)data[7] & 0xff) << 56 ;
std::memcpy(&val,&bits,8);
#endif
}
// read int16_t XDR (big endian)
inline void read_int16_xdr(const char* data, boost::int16_t & val)
{
#ifndef MAPNIK_BIG_ENDIAN
val = (data[3]&0xff) | ((data[2]&0xff)<<8);
#else
std::memcpy(&val,data,2);
#endif
}
// read int32_t XDR (big endian)
inline void read_int32_xdr(const char* data, boost::int32_t & val)
{
#ifndef MAPNIK_BIG_ENDIAN
val = (data[3]&0xff) | ((data[2]&0xff)<<8) | ((data[1]&0xff)<<16) | ((data[0]&0xff)<<24);
#else
std::memcpy(&val,data,4);
#endif
}
// read double XDR (big endian)
inline void read_double_xdr(const char* data, double & val)
{
#ifndef MAPNIK_BIG_ENDIAN
boost::int64_t bits = ((boost::int64_t)data[7] & 0xff) |
((boost::int64_t)data[6] & 0xff) << 8 |
((boost::int64_t)data[5] & 0xff) << 16 |
((boost::int64_t)data[4] & 0xff) << 24 |
((boost::int64_t)data[3] & 0xff) << 32 |
((boost::int64_t)data[2] & 0xff) << 40 |
((boost::int64_t)data[1] & 0xff) << 48 |
((boost::int64_t)data[0] & 0xff) << 56 ;
std::memcpy(&val,&bits,8);
#else
std::memcpy(&val,&data[0],8);
#endif
}
#ifdef _WINDOWS
// msvc doesn't have rint in <cmath>
inline int rint(double val)
{
return int(std::floor(val + 0.5));
}
inline double round(double val)
{
return std::floor(val);
}
#define _USE_MATH_DEFINES
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
#endif
}
#endif // MAPNIK_GLOBAL_HPP
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