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      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 (at) 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 
     47 namespace 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.
     53 using namespace std;
     54 
     55 // This is necessary to properly handle the case that there is a different
     56 // "string" implementation in the global namespace.
     57 using std::string;
     58 
     59 #if defined(CERES_TR1_SHARED_PTR)
     60 using std::tr1::shared_ptr;
     61 #else
     62 using 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