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

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This commit is contained in:
Gael Guennebaud 2017-06-12 22:30:32 +02:00
parent e43d8fe9d7
commit 9fbdf02059
1 changed files with 7 additions and 1 deletions
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8
Eigen/src/Core/Array.h
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@ -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())
{ }