Enable Array(EigenBase<>) ctor for compatible scalar types only. This prevents nested arrays to look as being convertible from/to simple arrays.

(grafted from 9fbdf020597cd198e3686ca786172aec6f009db6
)
This commit is contained in:
Gael Guennebaud 2017-06-12 22:30:32 +02:00
parent e0412f18fd
commit 79120a4c63

View File

@ -231,10 +231,16 @@ class Array
: Base(other)
{ }
private:
struct PrivateType {};
public:
/** \sa MatrixBase::operator=(const EigenBase<OtherDerived>&) */
template<typename OtherDerived>
EIGEN_DEVICE_FUNC
EIGEN_STRONG_INLINE Array(const EigenBase<OtherDerived> &other)
EIGEN_STRONG_INLINE Array(const EigenBase<OtherDerived> &other,
typename internal::enable_if<internal::is_convertible<typename OtherDerived::Scalar,Scalar>::value,
PrivateType>::type = PrivateType())
: Base(other.derived())
{ }