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author | 2009-10-16 11:27:04 +0200 | |
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committer | 2009-10-16 11:27:04 +0200 | |
commit | 44ba4b1d6d5cd39d824bb83876175d0dc39a9cc3 (patch) | |
tree | 5c84b49bc499de8a836e57dbc67de668a5484081 | |
parent | d177c1f3aca150d36d17c8116504e3ea1e7b30cf (diff) |
add operator+ scalar to AutoDiffScalar
-rw-r--r-- | unsupported/Eigen/src/AutoDiff/AutoDiffScalar.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/unsupported/Eigen/src/AutoDiff/AutoDiffScalar.h b/unsupported/Eigen/src/AutoDiff/AutoDiffScalar.h index 888aa5c8c..fc5e237ab 100644 --- a/unsupported/Eigen/src/AutoDiff/AutoDiffScalar.h +++ b/unsupported/Eigen/src/AutoDiff/AutoDiffScalar.h @@ -108,6 +108,22 @@ class AutoDiffScalar inline const DerType& derivatives() const { return m_derivatives; } inline DerType& derivatives() { return m_derivatives; } + inline const AutoDiffScalar<DerType> operator+(const Scalar& other) const + { + return AutoDiffScalar<DerType>(m_value + other, m_derivatives); + } + + friend inline const AutoDiffScalar<DerType> operator+(const Scalar& a, const AutoDiffScalar& b) + { + return AutoDiffScalar<DerType>(a + b.value(), b.derivatives()); + } + + inline AutoDiffScalar& operator+=(const Scalar& other) + { + value() += other; + return *this; + } + template<typename OtherDerType> inline const AutoDiffScalar<CwiseBinaryOp<ei_scalar_sum_op<Scalar>,DerType,OtherDerType> > operator+(const AutoDiffScalar<OtherDerType>& other) const |