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Disable AutoDiffScalar generic copy ctor for non compatible scalar types (fix ambiguous template instantiation)

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This commit is contained in:
Gael Guennebaud 2015-12-16 10:14:24 +01:00
parent 92655e7215
commit 35d8725c73
1 changed files with 13 additions and 1 deletions
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14
unsupported/Eigen/src/AutoDiff/AutoDiffScalar.h Normal file → Executable file
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@ -99,7 +99,11 @@ class AutoDiffScalar
{} {}
template<typename OtherDerType> template<typename OtherDerType>
AutoDiffScalar(const AutoDiffScalar<OtherDerType>& other) AutoDiffScalar(const AutoDiffScalar<OtherDerType>& other
#ifndef EIGEN_PARSED_BY_DOXYGEN
, typename internal::enable_if<internal::is_same<Scalar,typename OtherDerType::Scalar>::value,void*>::type = 0
#endif
)
: m_value(other.value()), m_derivatives(other.derivatives()) : m_value(other.value()), m_derivatives(other.derivatives())
{} {}
@ -127,6 +131,14 @@ class AutoDiffScalar
return *this; return *this;
} }
inline AutoDiffScalar& operator=(const Scalar& other)
{
m_value = other;
if(m_derivatives.size()>0)
m_derivatives.setZero();
return *this;
}
// inline operator const Scalar& () const { return m_value; } // inline operator const Scalar& () const { return m_value; }
// inline operator Scalar& () { return m_value; } // inline operator Scalar& () { return m_value; }