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Fix bug #89: on GCC <= 4.3, use a custom assert implementation to work around a compiler bug

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This commit is contained in:
Benoit Jacob
2011-02-16 08:50:19 -05:00
parent 6db8fa7d04
commit 59596efdf7
3 changed files with 89 additions and 43 deletions
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111
Eigen/src/Core/util/Macros.h
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@@ -34,10 +34,23 @@
(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)
#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)
// 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
@@ -109,31 +122,13 @@
#define EIGEN_DEBUG_VAR(x) std::cerr << #x << " = " << x << std::endl;
#ifdef NDEBUG
# ifndef EIGEN_NO_DEBUG
# define EIGEN_NO_DEBUG
# endif
#endif
// concatenate two tokens
#define EIGEN_CAT2(a,b) a ## b
#define EIGEN_CAT(a,b) EIGEN_CAT2(a,b)
#ifndef eigen_assert
#ifdef EIGEN_NO_DEBUG
#define eigen_assert(x)
#else
#define eigen_assert(x) assert(x)
#endif
#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
// convert a token to a string
#define EIGEN_MAKESTRING2(a) #a
#define EIGEN_MAKESTRING(a) EIGEN_MAKESTRING2(a)
// EIGEN_ALWAYS_INLINE_ATTRIB should be use in the declaration of function
// which should be inlined even in debug mode.
@@ -175,6 +170,64 @@
#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
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
#if (defined __GNUC__)
#define EIGEN_DEPRECATED __attribute__((deprecated))
#elif (defined _MSC_VER)
@@ -244,14 +297,6 @@
// just an empty macro !
#define EIGEN_EMPTY
// 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)
#if defined(_MSC_VER) && (!defined(__INTEL_COMPILER))
#define EIGEN_INHERIT_ASSIGNMENT_EQUAL_OPERATOR(Derived) \
using Base::operator =;