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| author |  Gael Guennebaud <g.gael@free.fr> | 2011-09-14 08:35:54 +0200 |
|---|---|---|
| committer | Gael Guennebaud <g.gael@free.fr> | 2011-09-14 08:35:54 +0200 |
| commit | f4122e9f94795ce768dd67269f821b9664585aca (patch) | |
| tree | 9deee911437b9fcd58b05e9f221160b556c07fc6 /unsupported/Eigen/src/AutoDiff | |
| parent | 6b006772f1c8083df609d70218f5848bce7dfc28 (diff) | |
add tan, acos, asin
Diffstat (limited to 'unsupported/Eigen/src/AutoDiff')
| -rw-r--r-- | unsupported/Eigen/src/AutoDiff/AutoDiffScalar.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/unsupported/Eigen/src/AutoDiff/AutoDiffScalar.h b/unsupported/Eigen/src/AutoDiff/AutoDiffScalar.h index 323bac764..3510fba77 100644 --- a/unsupported/Eigen/src/AutoDiff/AutoDiffScalar.h +++ b/unsupported/Eigen/src/AutoDiff/AutoDiffScalar.h @@ -586,6 +586,21 @@ atan2(const AutoDiffScalar<DerTypeA>& a, const AutoDiffScalar<DerTypeB>& b) return ret; } +EIGEN_AUTODIFF_DECLARE_GLOBAL_UNARY(tan, + using std::tan; + using std::cos; + return ReturnType(tan(x.value()),x.derivatives() * (Scalar(1)/internal::abs2(cos(x.value()))));) + +EIGEN_AUTODIFF_DECLARE_GLOBAL_UNARY(asin, + using std::sqrt; + using std::asin; + return ReturnType(asin(x.value()),x.derivatives() * (Scalar(1)/sqrt(1-internal::abs2(x.value()))));) + +EIGEN_AUTODIFF_DECLARE_GLOBAL_UNARY(acos, + using std::sqrt; + using std::acos; + return ReturnType(acos(x.value()),x.derivatives() * (Scalar(-1)/sqrt(1-internal::abs2(x.value()))));) + #undef EIGEN_AUTODIFF_DECLARE_GLOBAL_UNARY template<typename DerType> struct NumTraits<AutoDiffScalar<DerType> > |