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bug #1102: fix multiple definition linking issue

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This commit is contained in:
Gael Guennebaud 2015-10-30 22:25:59 +01:00
parent 5a2007f7e4
commit b32948c642
1 changed files with 10 additions and 8 deletions
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18
Eigen/src/Core/MathFunctions.h
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@ -871,20 +871,22 @@ template<typename T> EIGEN_DEVICE_FUNC bool isinf_msvc_helper(T x)
}
//MSVC defines a _isnan builtin function, but for double only
template<> EIGEN_DEVICE_FUNC bool (isnan)(const long double& x) { return _isnan(x); }
template<> EIGEN_DEVICE_FUNC bool (isnan)(const double& x) { return _isnan(x); }
template<> EIGEN_DEVICE_FUNC bool (isnan)(const float& x) { return _isnan(x); }
template<> EIGEN_DEVICE_FUNC inline bool (isnan)(const long double& x) { return _isnan(x); }
template<> EIGEN_DEVICE_FUNC inline bool (isnan)(const double& x) { return _isnan(x); }
template<> EIGEN_DEVICE_FUNC inline bool (isnan)(const float& x) { return _isnan(x); }
template<> EIGEN_DEVICE_FUNC bool (isinf)(const long double& x) { return isinf_msvc_helper(x); }
template<> EIGEN_DEVICE_FUNC bool (isinf)(const double& x) { return isinf_msvc_helper(x); }
template<> EIGEN_DEVICE_FUNC bool (isinf)(const float& x) { return isinf_msvc_helper(x); }
template<> EIGEN_DEVICE_FUNC inline bool (isinf)(const long double& x) { return isinf_msvc_helper(x); }
template<> EIGEN_DEVICE_FUNC inline bool (isinf)(const double& x) { return isinf_msvc_helper(x); }
template<> EIGEN_DEVICE_FUNC inline bool (isinf./)(const float& x) { return isinf_msvc_helper(x); }
#elif (defined __FINITE_MATH_ONLY__ && __FINITE_MATH_ONLY__ && EIGEN_COMP_GNUC)
#if EIGEN_GNUC_AT_LEAST(5,0)
#define EIGEN_TMP_NOOPT_ATTRIB EIGEN_DEVICE_FUNC __attribute__((optimize("no-finite-math-only")))
#define EIGEN_TMP_NOOPT_ATTRIB EIGEN_DEVICE_FUNC inline __attribute__((optimize("no-finite-math-only")))
#else
#define EIGEN_TMP_NOOPT_ATTRIB EIGEN_DEVICE_FUNC __attribute__((noinline,optimize("no-finite-math-only")))
// NOTE the inline qualifier and noinline attribute are both needed: the former is to avoid linking issue (duplicate symbol),
// while the second prevent too aggressive optimizations in fast-math mode
#define EIGEN_TMP_NOOPT_ATTRIB EIGEN_DEVICE_FUNC inline __attribute__((noinline,optimize("no-finite-math-only")))
#endif
template<> EIGEN_TMP_NOOPT_ATTRIB bool (isnan)(const long double& x) { return __builtin_isnan(x); }