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add tan, acos, asin

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This commit is contained in:
Gael Guennebaud 2011-09-14 08:35:54 +02:00
parent 6b006772f1
commit f4122e9f94
1 changed files with 15 additions and 0 deletions
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15
unsupported/Eigen/src/AutoDiff/AutoDiffScalar.h
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@ -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> >