/usr/include/eigen3/Eigen/src/Core/util/Macros.h is in libeigen3-dev 3.2.2-3.
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The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 | // This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2008-2010 Gael Guennebaud <gael.guennebaud@inria.fr>
// Copyright (C) 2006-2008 Benoit Jacob <jacob.benoit.1@gmail.com>
//
// This Source Code Form is subject to the terms of the Mozilla
// Public License v. 2.0. If a copy of the MPL was not distributed
// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
#ifndef EIGEN_MACROS_H
#define EIGEN_MACROS_H
#define EIGEN_WORLD_VERSION 3
#define EIGEN_MAJOR_VERSION 2
#define EIGEN_MINOR_VERSION 2
#define EIGEN_VERSION_AT_LEAST(x,y,z) (EIGEN_WORLD_VERSION>x || (EIGEN_WORLD_VERSION>=x && \
(EIGEN_MAJOR_VERSION>y || (EIGEN_MAJOR_VERSION>=y && \
EIGEN_MINOR_VERSION>=z))))
#ifdef __GNUC__
#define EIGEN_GNUC_AT_LEAST(x,y) ((__GNUC__==x && __GNUC_MINOR__>=y) || __GNUC__>x)
#else
#define EIGEN_GNUC_AT_LEAST(x,y) 0
#endif
#ifdef __GNUC__
#define EIGEN_GNUC_AT_MOST(x,y) ((__GNUC__==x && __GNUC_MINOR__<=y) || __GNUC__<x)
#else
#define EIGEN_GNUC_AT_MOST(x,y) 0
#endif
#if EIGEN_GNUC_AT_MOST(4,3) && !defined(__clang__)
// see bug 89
#define EIGEN_SAFE_TO_USE_STANDARD_ASSERT_MACRO 0
#else
#define EIGEN_SAFE_TO_USE_STANDARD_ASSERT_MACRO 1
#endif
#if defined(__GNUC__) && (__GNUC__ <= 3)
#define EIGEN_GCC3_OR_OLDER 1
#else
#define EIGEN_GCC3_OR_OLDER 0
#endif
// 16 byte alignment is only useful for vectorization. Since it affects the ABI, we need to enable
// 16 byte alignment on all platforms where vectorization might be enabled. In theory we could always
// enable alignment, but it can be a cause of problems on some platforms, so we just disable it in
// certain common platform (compiler+architecture combinations) to avoid these problems.
// Only static alignment is really problematic (relies on nonstandard compiler extensions that don't
// work everywhere, for example don't work on GCC/ARM), try to keep heap alignment even
// when we have to disable static alignment.
#if defined(__GNUC__) && !(defined(__i386__) || defined(__x86_64__) || defined(__powerpc__) || defined(__ppc__) || defined(__ia64__))
#define EIGEN_GCC_AND_ARCH_DOESNT_WANT_STACK_ALIGNMENT 1
#else
#define EIGEN_GCC_AND_ARCH_DOESNT_WANT_STACK_ALIGNMENT 0
#endif
// static alignment is completely disabled with GCC 3, Sun Studio, and QCC/QNX
#if !EIGEN_GCC_AND_ARCH_DOESNT_WANT_STACK_ALIGNMENT \
&& !EIGEN_GCC3_OR_OLDER \
&& !defined(__SUNPRO_CC) \
&& !defined(__QNXNTO__)
#define EIGEN_ARCH_WANTS_STACK_ALIGNMENT 1
#else
#define EIGEN_ARCH_WANTS_STACK_ALIGNMENT 0
#endif
#ifdef EIGEN_DONT_ALIGN
#ifndef EIGEN_DONT_ALIGN_STATICALLY
#define EIGEN_DONT_ALIGN_STATICALLY
#endif
#define EIGEN_ALIGN 0
#else
#define EIGEN_ALIGN 1
#endif
// EIGEN_ALIGN_STATICALLY is the true test whether we want to align arrays on the stack or not. It takes into account both the user choice to explicitly disable
// alignment (EIGEN_DONT_ALIGN_STATICALLY) and the architecture config (EIGEN_ARCH_WANTS_STACK_ALIGNMENT). Henceforth, only EIGEN_ALIGN_STATICALLY should be used.
#if EIGEN_ARCH_WANTS_STACK_ALIGNMENT && !defined(EIGEN_DONT_ALIGN_STATICALLY)
#define EIGEN_ALIGN_STATICALLY 1
#else
#define EIGEN_ALIGN_STATICALLY 0
#ifndef EIGEN_DISABLE_UNALIGNED_ARRAY_ASSERT
#define EIGEN_DISABLE_UNALIGNED_ARRAY_ASSERT
#endif
#endif
#ifdef EIGEN_DEFAULT_TO_ROW_MAJOR
#define EIGEN_DEFAULT_MATRIX_STORAGE_ORDER_OPTION RowMajor
#else
#define EIGEN_DEFAULT_MATRIX_STORAGE_ORDER_OPTION ColMajor
#endif
#ifndef EIGEN_DEFAULT_DENSE_INDEX_TYPE
#define EIGEN_DEFAULT_DENSE_INDEX_TYPE std::ptrdiff_t
#endif
/** Allows to disable some optimizations which might affect the accuracy of the result.
* Such optimization are enabled by default, and set EIGEN_FAST_MATH to 0 to disable them.
* They currently include:
* - single precision Cwise::sin() and Cwise::cos() when SSE vectorization is enabled.
*/
#ifndef EIGEN_FAST_MATH
#define EIGEN_FAST_MATH 1
#endif
#define EIGEN_DEBUG_VAR(x) std::cerr << #x << " = " << x << std::endl;
// concatenate two tokens
#define EIGEN_CAT2(a,b) a ## b
#define EIGEN_CAT(a,b) EIGEN_CAT2(a,b)
// convert a token to a string
#define EIGEN_MAKESTRING2(a) #a
#define EIGEN_MAKESTRING(a) EIGEN_MAKESTRING2(a)
// EIGEN_STRONG_INLINE is a stronger version of the inline, using __forceinline on MSVC,
// but it still doesn't use GCC's always_inline. This is useful in (common) situations where MSVC needs forceinline
// but GCC is still doing fine with just inline.
#if (defined _MSC_VER) || (defined __INTEL_COMPILER)
#define EIGEN_STRONG_INLINE __forceinline
#else
#define EIGEN_STRONG_INLINE inline
#endif
// EIGEN_ALWAYS_INLINE is the stronget, it has the effect of making the function inline and adding every possible
// attribute to maximize inlining. This should only be used when really necessary: in particular,
// it uses __attribute__((always_inline)) on GCC, which most of the time is useless and can severely harm compile times.
// FIXME with the always_inline attribute,
// gcc 3.4.x reports the following compilation error:
// Eval.h:91: sorry, unimplemented: inlining failed in call to 'const Eigen::Eval<Derived> Eigen::MatrixBase<Scalar, Derived>::eval() const'
// : function body not available
#if EIGEN_GNUC_AT_LEAST(4,0)
#define EIGEN_ALWAYS_INLINE __attribute__((always_inline)) inline
#else
#define EIGEN_ALWAYS_INLINE EIGEN_STRONG_INLINE
#endif
#if (defined __GNUC__)
#define EIGEN_DONT_INLINE __attribute__((noinline))
#elif (defined _MSC_VER)
#define EIGEN_DONT_INLINE __declspec(noinline)
#else
#define EIGEN_DONT_INLINE
#endif
#if (defined __GNUC__)
#define EIGEN_PERMISSIVE_EXPR __extension__
#else
#define EIGEN_PERMISSIVE_EXPR
#endif
// this macro allows to get rid of linking errors about multiply defined functions.
// - static is not very good because it prevents definitions from different object files to be merged.
// So static causes the resulting linked executable to be bloated with multiple copies of the same function.
// - inline is not perfect either as it unwantedly hints the compiler toward inlining the function.
#define EIGEN_DECLARE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS
#define EIGEN_DEFINE_FUNCTION_ALLOWING_MULTIPLE_DEFINITIONS inline
#ifdef NDEBUG
# ifndef EIGEN_NO_DEBUG
# define EIGEN_NO_DEBUG
# endif
#endif
// eigen_plain_assert is where we implement the workaround for the assert() bug in GCC <= 4.3, see bug 89
#ifdef EIGEN_NO_DEBUG
#define eigen_plain_assert(x)
#else
#if EIGEN_SAFE_TO_USE_STANDARD_ASSERT_MACRO
namespace Eigen {
namespace internal {
inline bool copy_bool(bool b) { return b; }
}
}
#define eigen_plain_assert(x) assert(x)
#else
// work around bug 89
#include <cstdlib> // for abort
#include <iostream> // for std::cerr
namespace Eigen {
namespace internal {
// trivial function copying a bool. Must be EIGEN_DONT_INLINE, so we implement it after including Eigen headers.
// see bug 89.
namespace {
EIGEN_DONT_INLINE bool copy_bool(bool b) { return b; }
}
inline void assert_fail(const char *condition, const char *function, const char *file, int line)
{
std::cerr << "assertion failed: " << condition << " in function " << function << " at " << file << ":" << line << std::endl;
abort();
}
}
}
#define eigen_plain_assert(x) \
do { \
if(!Eigen::internal::copy_bool(x)) \
Eigen::internal::assert_fail(EIGEN_MAKESTRING(x), __PRETTY_FUNCTION__, __FILE__, __LINE__); \
} while(false)
#endif
#endif
// eigen_assert can be overridden
#ifndef eigen_assert
#define eigen_assert(x) eigen_plain_assert(x)
#endif
#ifdef EIGEN_INTERNAL_DEBUGGING
#define eigen_internal_assert(x) eigen_assert(x)
#else
#define eigen_internal_assert(x)
#endif
#ifdef EIGEN_NO_DEBUG
#define EIGEN_ONLY_USED_FOR_DEBUG(x) (void)x
#else
#define EIGEN_ONLY_USED_FOR_DEBUG(x)
#endif
#ifndef EIGEN_NO_DEPRECATED_WARNING
#if (defined __GNUC__)
#define EIGEN_DEPRECATED __attribute__((deprecated))
#elif (defined _MSC_VER)
#define EIGEN_DEPRECATED __declspec(deprecated)
#else
#define EIGEN_DEPRECATED
#endif
#else
#define EIGEN_DEPRECATED
#endif
#if (defined __GNUC__)
#define EIGEN_UNUSED __attribute__((unused))
#else
#define EIGEN_UNUSED
#endif
// Suppresses 'unused variable' warnings.
namespace Eigen {
namespace internal {
template<typename T> void ignore_unused_variable(const T&) {}
}
}
#define EIGEN_UNUSED_VARIABLE(var) Eigen::internal::ignore_unused_variable(var);
#if !defined(EIGEN_ASM_COMMENT)
#if (defined __GNUC__) && ( defined(__i386__) || defined(__x86_64__) )
#define EIGEN_ASM_COMMENT(X) asm("#" X)
#else
#define EIGEN_ASM_COMMENT(X)
#endif
#endif
/* EIGEN_ALIGN_TO_BOUNDARY(n) forces data to be n-byte aligned. This is used to satisfy SIMD requirements.
* However, we do that EVEN if vectorization (EIGEN_VECTORIZE) is disabled,
* so that vectorization doesn't affect binary compatibility.
*
* If we made alignment depend on whether or not EIGEN_VECTORIZE is defined, it would be impossible to link
* vectorized and non-vectorized code.
*/
#if (defined __GNUC__) || (defined __PGI) || (defined __IBMCPP__) || (defined __ARMCC_VERSION)
#define EIGEN_ALIGN_TO_BOUNDARY(n) __attribute__((aligned(n)))
#elif (defined _MSC_VER)
#define EIGEN_ALIGN_TO_BOUNDARY(n) __declspec(align(n))
#elif (defined __SUNPRO_CC)
// FIXME not sure about this one:
#define EIGEN_ALIGN_TO_BOUNDARY(n) __attribute__((aligned(n)))
#else
#error Please tell me what is the equivalent of __attribute__((aligned(n))) for your compiler
#endif
#define EIGEN_ALIGN16 EIGEN_ALIGN_TO_BOUNDARY(16)
#if EIGEN_ALIGN_STATICALLY
#define EIGEN_USER_ALIGN_TO_BOUNDARY(n) EIGEN_ALIGN_TO_BOUNDARY(n)
#define EIGEN_USER_ALIGN16 EIGEN_ALIGN16
#else
#define EIGEN_USER_ALIGN_TO_BOUNDARY(n)
#define EIGEN_USER_ALIGN16
#endif
#ifdef EIGEN_DONT_USE_RESTRICT_KEYWORD
#define EIGEN_RESTRICT
#endif
#ifndef EIGEN_RESTRICT
#define EIGEN_RESTRICT __restrict
#endif
#ifndef EIGEN_STACK_ALLOCATION_LIMIT
// 131072 == 128 KB
#define EIGEN_STACK_ALLOCATION_LIMIT 131072
#endif
#ifndef EIGEN_DEFAULT_IO_FORMAT
#ifdef EIGEN_MAKING_DOCS
// format used in Eigen's documentation
// needed to define it here as escaping characters in CMake add_definition's argument seems very problematic.
#define EIGEN_DEFAULT_IO_FORMAT Eigen::IOFormat(3, 0, " ", "\n", "", "")
#else
#define EIGEN_DEFAULT_IO_FORMAT Eigen::IOFormat()
#endif
#endif
// just an empty macro !
#define EIGEN_EMPTY
#if defined(_MSC_VER) && (!defined(__INTEL_COMPILER))
#define EIGEN_INHERIT_ASSIGNMENT_EQUAL_OPERATOR(Derived) \
using Base::operator =;
#elif defined(__clang__) // workaround clang bug (see http://forum.kde.org/viewtopic.php?f=74&t=102653)
#define EIGEN_INHERIT_ASSIGNMENT_EQUAL_OPERATOR(Derived) \
using Base::operator =; \
EIGEN_STRONG_INLINE Derived& operator=(const Derived& other) { Base::operator=(other); return *this; } \
template <typename OtherDerived> \
EIGEN_STRONG_INLINE Derived& operator=(const DenseBase<OtherDerived>& other) { Base::operator=(other.derived()); return *this; }
#else
#define EIGEN_INHERIT_ASSIGNMENT_EQUAL_OPERATOR(Derived) \
using Base::operator =; \
EIGEN_STRONG_INLINE Derived& operator=(const Derived& other) \
{ \
Base::operator=(other); \
return *this; \
}
#endif
#define EIGEN_INHERIT_ASSIGNMENT_OPERATORS(Derived) \
EIGEN_INHERIT_ASSIGNMENT_EQUAL_OPERATOR(Derived)
/**
* Just a side note. Commenting within defines works only by documenting
* behind the object (via '!<'). Comments cannot be multi-line and thus
* we have these extra long lines. What is confusing doxygen over here is
* that we use '\' and basically have a bunch of typedefs with their
* documentation in a single line.
**/
#define EIGEN_GENERIC_PUBLIC_INTERFACE(Derived) \
typedef typename Eigen::internal::traits<Derived>::Scalar Scalar; /*!< \brief Numeric type, e.g. float, double, int or std::complex<float>. */ \
typedef typename Eigen::NumTraits<Scalar>::Real RealScalar; /*!< \brief The underlying numeric type for composed scalar types. \details In cases where Scalar is e.g. std::complex<T>, T were corresponding to RealScalar. */ \
typedef typename Base::CoeffReturnType CoeffReturnType; /*!< \brief The return type for coefficient access. \details Depending on whether the object allows direct coefficient access (e.g. for a MatrixXd), this type is either 'const Scalar&' or simply 'Scalar' for objects that do not allow direct coefficient access. */ \
typedef typename Eigen::internal::nested<Derived>::type Nested; \
typedef typename Eigen::internal::traits<Derived>::StorageKind StorageKind; \
typedef typename Eigen::internal::traits<Derived>::Index Index; \
enum { RowsAtCompileTime = Eigen::internal::traits<Derived>::RowsAtCompileTime, \
ColsAtCompileTime = Eigen::internal::traits<Derived>::ColsAtCompileTime, \
Flags = Eigen::internal::traits<Derived>::Flags, \
CoeffReadCost = Eigen::internal::traits<Derived>::CoeffReadCost, \
SizeAtCompileTime = Base::SizeAtCompileTime, \
MaxSizeAtCompileTime = Base::MaxSizeAtCompileTime, \
IsVectorAtCompileTime = Base::IsVectorAtCompileTime };
#define EIGEN_DENSE_PUBLIC_INTERFACE(Derived) \
typedef typename Eigen::internal::traits<Derived>::Scalar Scalar; /*!< \brief Numeric type, e.g. float, double, int or std::complex<float>. */ \
typedef typename Eigen::NumTraits<Scalar>::Real RealScalar; /*!< \brief The underlying numeric type for composed scalar types. \details In cases where Scalar is e.g. std::complex<T>, T were corresponding to RealScalar. */ \
typedef typename Base::PacketScalar PacketScalar; \
typedef typename Base::CoeffReturnType CoeffReturnType; /*!< \brief The return type for coefficient access. \details Depending on whether the object allows direct coefficient access (e.g. for a MatrixXd), this type is either 'const Scalar&' or simply 'Scalar' for objects that do not allow direct coefficient access. */ \
typedef typename Eigen::internal::nested<Derived>::type Nested; \
typedef typename Eigen::internal::traits<Derived>::StorageKind StorageKind; \
typedef typename Eigen::internal::traits<Derived>::Index Index; \
enum { RowsAtCompileTime = Eigen::internal::traits<Derived>::RowsAtCompileTime, \
ColsAtCompileTime = Eigen::internal::traits<Derived>::ColsAtCompileTime, \
MaxRowsAtCompileTime = Eigen::internal::traits<Derived>::MaxRowsAtCompileTime, \
MaxColsAtCompileTime = Eigen::internal::traits<Derived>::MaxColsAtCompileTime, \
Flags = Eigen::internal::traits<Derived>::Flags, \
CoeffReadCost = Eigen::internal::traits<Derived>::CoeffReadCost, \
SizeAtCompileTime = Base::SizeAtCompileTime, \
MaxSizeAtCompileTime = Base::MaxSizeAtCompileTime, \
IsVectorAtCompileTime = Base::IsVectorAtCompileTime }; \
using Base::derived; \
using Base::const_cast_derived;
#define EIGEN_PLAIN_ENUM_MIN(a,b) (((int)a <= (int)b) ? (int)a : (int)b)
#define EIGEN_PLAIN_ENUM_MAX(a,b) (((int)a >= (int)b) ? (int)a : (int)b)
// EIGEN_SIZE_MIN_PREFER_DYNAMIC gives the min between compile-time sizes. 0 has absolute priority, followed by 1,
// followed by Dynamic, followed by other finite values. The reason for giving Dynamic the priority over
// finite values is that min(3, Dynamic) should be Dynamic, since that could be anything between 0 and 3.
#define EIGEN_SIZE_MIN_PREFER_DYNAMIC(a,b) (((int)a == 0 || (int)b == 0) ? 0 \
: ((int)a == 1 || (int)b == 1) ? 1 \
: ((int)a == Dynamic || (int)b == Dynamic) ? Dynamic \
: ((int)a <= (int)b) ? (int)a : (int)b)
// EIGEN_SIZE_MIN_PREFER_FIXED is a variant of EIGEN_SIZE_MIN_PREFER_DYNAMIC comparing MaxSizes. The difference is that finite values
// now have priority over Dynamic, so that min(3, Dynamic) gives 3. Indeed, whatever the actual value is
// (between 0 and 3), it is not more than 3.
#define EIGEN_SIZE_MIN_PREFER_FIXED(a,b) (((int)a == 0 || (int)b == 0) ? 0 \
: ((int)a == 1 || (int)b == 1) ? 1 \
: ((int)a == Dynamic && (int)b == Dynamic) ? Dynamic \
: ((int)a == Dynamic) ? (int)b \
: ((int)b == Dynamic) ? (int)a \
: ((int)a <= (int)b) ? (int)a : (int)b)
// see EIGEN_SIZE_MIN_PREFER_DYNAMIC. No need for a separate variant for MaxSizes here.
#define EIGEN_SIZE_MAX(a,b) (((int)a == Dynamic || (int)b == Dynamic) ? Dynamic \
: ((int)a >= (int)b) ? (int)a : (int)b)
#define EIGEN_LOGICAL_XOR(a,b) (((a) || (b)) && !((a) && (b)))
#define EIGEN_IMPLIES(a,b) (!(a) || (b))
#define EIGEN_MAKE_CWISE_BINARY_OP(METHOD,FUNCTOR) \
template<typename OtherDerived> \
EIGEN_STRONG_INLINE const CwiseBinaryOp<FUNCTOR<Scalar>, const Derived, const OtherDerived> \
(METHOD)(const EIGEN_CURRENT_STORAGE_BASE_CLASS<OtherDerived> &other) const \
{ \
return CwiseBinaryOp<FUNCTOR<Scalar>, const Derived, const OtherDerived>(derived(), other.derived()); \
}
// the expression type of a cwise product
#define EIGEN_CWISE_PRODUCT_RETURN_TYPE(LHS,RHS) \
CwiseBinaryOp< \
internal::scalar_product_op< \
typename internal::traits<LHS>::Scalar, \
typename internal::traits<RHS>::Scalar \
>, \
const LHS, \
const RHS \
>
#endif // EIGEN_MACROS_H
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