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AutoDiff: add one missing operator- version

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Gael Guennebaud
2011-05-12 23:40:19 +02:00
parent 3de2f4b75a
commit a34a216e82
1 changed files with 5 additions and 0 deletions
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5
unsupported/Eigen/src/AutoDiff/AutoDiffScalar.h
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@@ -216,6 +216,11 @@ class AutoDiffScalar
return *this; return *this;
} }
inline const AutoDiffScalar<DerType&> operator-(const Scalar& b) const
{
return AutoDiffScalar<DerType&>(m_value - b, m_derivatives);
}
friend inline const AutoDiffScalar<DerType&> operator-(const Scalar& a, const AutoDiffScalar& b) friend inline const AutoDiffScalar<DerType&> operator-(const Scalar& a, const AutoDiffScalar& b)
{ {
return AutoDiffScalar<DerType&>(a - b.value(), b.derivatives()); return AutoDiffScalar<DerType&>(a - b.value(), b.derivatives());