1// Ceres Solver - A fast non-linear least squares minimizer
2// Copyright 2010, 2011, 2012 Google Inc. All rights reserved.
3// http://code.google.com/p/ceres-solver/
4//
5// Redistribution and use in source and binary forms, with or without
6// modification, are permitted provided that the following conditions are met:
7//
8// * Redistributions of source code must retain the above copyright notice,
9//   this list of conditions and the following disclaimer.
10// * Redistributions in binary form must reproduce the above copyright notice,
11//   this list of conditions and the following disclaimer in the documentation
12//   and/or other materials provided with the distribution.
13// * Neither the name of Google Inc. nor the names of its contributors may be
14//   used to endorse or promote products derived from this software without
15//   specific prior written permission.
16//
17// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
21// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27// POSSIBILITY OF SUCH DAMAGE.
28//
29// Author: keir@google.com (Keir Mierle)
30
31#ifndef CERES_PUBLIC_INTERNAL_PORT_H_
32#define CERES_PUBLIC_INTERNAL_PORT_H_
33
34// This file needs to compile as c code.
35#ifdef __cplusplus
36
37#include <string>
38
39#include "ceres/internal/config.h"
40
41#if defined(CERES_TR1_MEMORY_HEADER)
42#include <tr1/memory>
43#else
44#include <memory>
45#endif
46
47namespace ceres {
48
49// It is unfortunate that this import of the entire standard namespace is
50// necessary. The reasons are historical and won't be explained here, but
51// suffice to say it is not a mistake and can't be removed without breaking
52// things outside of the Ceres optimization package.
53using namespace std;
54
55// This is necessary to properly handle the case that there is a different
56// "string" implementation in the global namespace.
57using std::string;
58
59#if defined(CERES_TR1_SHARED_PTR)
60using std::tr1::shared_ptr;
61#else
62using std::shared_ptr;
63#endif
64
65}  // namespace ceres
66
67#endif  // __cplusplus
68
69// A macro to signal which functions and classes are exported when
70// building a DLL with MSVC.
71//
72// Note that the ordering here is important, CERES_BUILDING_SHARED_LIBRARY
73// is only defined locally when Ceres is compiled, it is never exported to
74// users.  However, in order that we do not have to configure config.h
75// separately for building vs installing, if we are using MSVC and building
76// a shared library, then both CERES_BUILDING_SHARED_LIBRARY and
77// CERES_USING_SHARED_LIBRARY will be defined when Ceres is compiled.
78// Hence it is important that the check for CERES_BUILDING_SHARED_LIBRARY
79// happens first.
80#if defined(_MSC_VER) && defined(CERES_BUILDING_SHARED_LIBRARY)
81# define CERES_EXPORT __declspec(dllexport)
82#elif defined(_MSC_VER) && defined(CERES_USING_SHARED_LIBRARY)
83# define CERES_EXPORT __declspec(dllimport)
84#else
85# define CERES_EXPORT
86#endif
87
88#endif  // CERES_PUBLIC_INTERNAL_PORT_H_
89