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Add nvcc support for small eigenvalues decompositions and workaround lack of support for std::swap and std::numeric_limits

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This commit is contained in:
Gael Guennebaud
2013-08-01 16:26:57 +02:00
parent 55b57fcba6
commit ddf7753631
14 changed files with 234 additions and 29 deletions
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12
Eigen/src/Core/NumTraits.h
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@@ -68,16 +68,22 @@ template<typename T> struct GenericNumTraits
>::type NonInteger;
typedef T Nested;
static inline Real epsilon() { return std::numeric_limits<T>::epsilon(); }
EIGEN_DEVICE_FUNC
static inline Real epsilon()
{
#if defined(__CUDA_ARCH__)
return internal::device::numeric_limits<T>::epsilon();
#else
return std::numeric_limits<T>::epsilon();
#endif
}
EIGEN_DEVICE_FUNC
static inline Real dummy_precision()
{
// make sure to override this for floating-point types
return Real(0);
}
EIGEN_DEVICE_FUNC
static inline T highest() { return (std::numeric_limits<T>::max)(); }
EIGEN_DEVICE_FUNC
static inline T lowest() { return IsInteger ? (std::numeric_limits<T>::min)() : (-(std::numeric_limits<T>::max)()); }
#ifdef EIGEN2_SUPPORT