diff options
Diffstat (limited to 'extern/ceres/include/ceres/internal/port.h')
| -rw-r--r-- | extern/ceres/include/ceres/internal/port.h | 116 |
1 files changed, 47 insertions, 69 deletions
diff --git a/extern/ceres/include/ceres/internal/port.h b/extern/ceres/include/ceres/internal/port.h index 040a1efba02..4275b0e15c3 100644 --- a/extern/ceres/include/ceres/internal/port.h +++ b/extern/ceres/include/ceres/internal/port.h @@ -1,5 +1,5 @@ // Ceres Solver - A fast non-linear least squares minimizer -// Copyright 2015 Google Inc. All rights reserved. +// Copyright 2022 Google Inc. All rights reserved. // http://ceres-solver.org/ // // Redistribution and use in source and binary forms, with or without @@ -31,80 +31,58 @@ #ifndef CERES_PUBLIC_INTERNAL_PORT_H_ #define CERES_PUBLIC_INTERNAL_PORT_H_ -// This file needs to compile as c code. -#include "ceres/internal/config.h" - -#if defined(CERES_USE_OPENMP) -#if defined(CERES_USE_CXX_THREADS) || defined(CERES_NO_THREADS) -#error CERES_USE_OPENMP is mutually exclusive to CERES_USE_CXX_THREADS and CERES_NO_THREADS -#endif -#elif defined(CERES_USE_CXX_THREADS) -#if defined(CERES_USE_OPENMP) || defined(CERES_NO_THREADS) -#error CERES_USE_CXX_THREADS is mutually exclusive to CERES_USE_OPENMP, CERES_USE_CXX_THREADS and CERES_NO_THREADS -#endif -#elif defined(CERES_NO_THREADS) -#if defined(CERES_USE_OPENMP) || defined(CERES_USE_CXX_THREADS) -#error CERES_NO_THREADS is mutually exclusive to CERES_USE_OPENMP and CERES_USE_CXX_THREADS -#endif -#else -# error One of CERES_USE_OPENMP, CERES_USE_CXX_THREADS or CERES_NO_THREADS must be defined. -#endif - -// CERES_NO_SPARSE should be automatically defined by config.h if Ceres was -// compiled without any sparse back-end. Verify that it has not subsequently -// been inconsistently redefined. -#if defined(CERES_NO_SPARSE) -#if !defined(CERES_NO_SUITESPARSE) -#error CERES_NO_SPARSE requires CERES_NO_SUITESPARSE. -#endif -#if !defined(CERES_NO_CXSPARSE) -#error CERES_NO_SPARSE requires CERES_NO_CXSPARSE -#endif -#if !defined(CERES_NO_ACCELERATE_SPARSE) -#error CERES_NO_SPARSE requires CERES_NO_ACCELERATE_SPARSE -#endif -#if defined(CERES_USE_EIGEN_SPARSE) -#error CERES_NO_SPARSE requires !CERES_USE_EIGEN_SPARSE -#endif -#endif - -// A macro to signal which functions and classes are exported when -// building a shared library. +// A macro to mark a function/variable/class as deprecated. +// We use compiler specific attributes rather than the c++ +// attribute because they do not mix well with each other. #if defined(_MSC_VER) -#define CERES_API_SHARED_IMPORT __declspec(dllimport) -#define CERES_API_SHARED_EXPORT __declspec(dllexport) +#define CERES_DEPRECATED_WITH_MSG(message) __declspec(deprecated(message)) #elif defined(__GNUC__) -#define CERES_API_SHARED_IMPORT __attribute__((visibility("default"))) -#define CERES_API_SHARED_EXPORT __attribute__((visibility("default"))) +#define CERES_DEPRECATED_WITH_MSG(message) __attribute__((deprecated(message))) #else -#define CERES_API_SHARED_IMPORT -#define CERES_API_SHARED_EXPORT +// In the worst case fall back to c++ attribute. +#define CERES_DEPRECATED_WITH_MSG(message) [[deprecated(message)]] #endif -// CERES_BUILDING_SHARED_LIBRARY is only defined locally when Ceres itself is -// compiled as a shared library, it is never exported to users. In order that -// we do not have to configure config.h separately when building Ceres as either -// a static or dynamic library, we define both CERES_USING_SHARED_LIBRARY and -// CERES_BUILDING_SHARED_LIBRARY when building as a shared library. -#if defined(CERES_USING_SHARED_LIBRARY) -#if defined(CERES_BUILDING_SHARED_LIBRARY) -// Compiling Ceres itself as a shared library. -#define CERES_EXPORT CERES_API_SHARED_EXPORT -#else -// Using Ceres as a shared library. -#define CERES_EXPORT CERES_API_SHARED_IMPORT -#endif -#else -// Ceres was compiled as a static library, export everything. -#define CERES_EXPORT +#ifndef CERES_GET_FLAG +#define CERES_GET_FLAG(X) X #endif -// Unit tests reach in and test internal functionality so we need a way to make -// those symbols visible -#ifdef CERES_EXPORT_INTERNAL_SYMBOLS -#define CERES_EXPORT_INTERNAL CERES_EXPORT -#else -#define CERES_EXPORT_INTERNAL -#endif +// Indicates whether C++17 is currently active +#ifndef CERES_HAS_CPP17 +#if __cplusplus >= 201703L || (defined(_MSVC_LANG) && _MSVC_LANG >= 201703L) +#define CERES_HAS_CPP17 +#endif // __cplusplus >= 201703L || (defined(_MSVC_LANG) && _MSVC_LANG >= + // 201703L) +#endif // !defined(CERES_HAS_CPP17) + +// Indicates whether C++20 is currently active +#ifndef CERES_HAS_CPP20 +#if __cplusplus >= 202002L || (defined(_MSVC_LANG) && _MSVC_LANG >= 202002L) +#define CERES_HAS_CPP20 +#endif // __cplusplus >= 202002L || (defined(_MSVC_LANG) && _MSVC_LANG >= + // 202002L) +#endif // !defined(CERES_HAS_CPP20) + +// Prevents symbols from being substituted by the corresponding macro definition +// under the same name. For instance, min and max are defined as macros on +// Windows (unless NOMINMAX is defined) which causes compilation errors when +// defining or referencing symbols under the same name. +// +// To be robust in all cases particularly when NOMINMAX cannot be used, use this +// macro to annotate min/max declarations/definitions. Examples: +// +// int max CERES_PREVENT_MACRO_SUBSTITUTION(); +// min CERES_PREVENT_MACRO_SUBSTITUTION(a, b); +// max CERES_PREVENT_MACRO_SUBSTITUTION(a, b); +// +// NOTE: In case the symbols for which the substitution must be prevented are +// used within another macro, the substitution must be inhibited using parens as +// +// (std::numerical_limits<double>::max)() +// +// since the helper macro will not work here. Do not use this technique in +// general case, because it will prevent argument-dependent lookup (ADL). +// +#define CERES_PREVENT_MACRO_SUBSTITUTION // Yes, it's empty #endif // CERES_PUBLIC_INTERNAL_PORT_H_ |