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Austin Schuh70cc9552019-01-21 19:46:48 -08001// Ceres Solver - A fast non-linear least squares minimizer
2// Copyright 2015 Google Inc. All rights reserved.
3// http://ceres-solver.org/
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#include "ceres/internal/config.h"
36
37#if defined(CERES_USE_OPENMP)
38# if defined(CERES_USE_CXX11_THREADS) || defined(CERES_NO_THREADS)
39# error CERES_USE_OPENMP is mutually exclusive to CERES_USE_CXX11_THREADS and CERES_NO_THREADS
40# endif
41#elif defined(CERES_USE_CXX11_THREADS)
42# if defined(CERES_USE_OPENMP) || defined(CERES_NO_THREADS)
43# error CERES_USE_CXX11_THREADS is mutually exclusive to CERES_USE_OPENMP, CERES_USE_CXX11_THREADS and CERES_NO_THREADS
44# endif
45#elif defined(CERES_NO_THREADS)
46# if defined(CERES_USE_OPENMP) || defined(CERES_USE_CXX11_THREADS)
47# error CERES_NO_THREADS is mutually exclusive to CERES_USE_OPENMP and CERES_USE_CXX11_THREADS
48# endif
49#else
50# error One of CERES_USE_OPENMP, CERES_USE_CXX11_THREADS or CERES_NO_THREADS must be defined.
51#endif
52
53// CERES_NO_SPARSE should be automatically defined by config.h if Ceres was
54// compiled without any sparse back-end. Verify that it has not subsequently
55// been inconsistently redefined.
56#if defined(CERES_NO_SPARSE)
57# if !defined(CERES_NO_SUITESPARSE)
58# error CERES_NO_SPARSE requires CERES_NO_SUITESPARSE.
59# endif
60# if !defined(CERES_NO_CXSPARSE)
61# error CERES_NO_SPARSE requires CERES_NO_CXSPARSE
62# endif
63# if !defined(CERES_NO_ACCELERATE_SPARSE)
64# error CERES_NO_SPARSE requires CERES_NO_ACCELERATE_SPARSE
65# endif
66# if defined(CERES_USE_EIGEN_SPARSE)
67# error CERES_NO_SPARSE requires !CERES_USE_EIGEN_SPARSE
68# endif
69#endif
70
71// A macro to signal which functions and classes are exported when
72// building a DLL with MSVC.
73//
74// Note that the ordering here is important, CERES_BUILDING_SHARED_LIBRARY
75// is only defined locally when Ceres is compiled, it is never exported to
76// users. However, in order that we do not have to configure config.h
77// separately for building vs installing, if we are using MSVC and building
78// a shared library, then both CERES_BUILDING_SHARED_LIBRARY and
79// CERES_USING_SHARED_LIBRARY will be defined when Ceres is compiled.
80// Hence it is important that the check for CERES_BUILDING_SHARED_LIBRARY
81// happens first.
82#if defined(_MSC_VER) && defined(CERES_BUILDING_SHARED_LIBRARY)
83# define CERES_EXPORT __declspec(dllexport)
84#elif defined(_MSC_VER) && defined(CERES_USING_SHARED_LIBRARY)
85# define CERES_EXPORT __declspec(dllimport)
86#else
87# define CERES_EXPORT
88#endif
89
90#endif // CERES_PUBLIC_INTERNAL_PORT_H_