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Add autodiff coverage for standard library hyperbolic functions, and tests.

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* * *
Corrected tanh derivatived, moved test definitions.
* * *
Added more test cases, removed lingering lines
This commit is contained in:
Geoffrey Lalonde
2016-06-15 23:33:19 -07:00
parent d7e3e4bb04
commit 72c95383e0
2 changed files with 50 additions and 0 deletions
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15
unsupported/Eigen/src/AutoDiff/AutoDiffScalar.h
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@@ -646,6 +646,21 @@ EIGEN_AUTODIFF_DECLARE_GLOBAL_UNARY(acos,
using std::acos;
return ReturnType(acos(x.value()),x.derivatives() * (Scalar(-1)/sqrt(1-numext::abs2(x.value()))));)
EIGEN_AUTODIFF_DECLARE_GLOBAL_UNARY(tanh,
using std::cosh;
using std::tanh;
return ReturnType(tanh(x.value()),x.derivatives() * (Scalar(1)/numext::abs2(cosh(x.value()))));)
EIGEN_AUTODIFF_DECLARE_GLOBAL_UNARY(sinh,
using std::sinh;
using std::cosh;
return ReturnType(sinh(x.value()),x.derivatives() * cosh(x.value()));)
EIGEN_AUTODIFF_DECLARE_GLOBAL_UNARY(cosh,
using std::sinh;
using std::cosh;
return ReturnType(cosh(x.value()),x.derivatives() * sinh(x.value()));)
#undef EIGEN_AUTODIFF_DECLARE_GLOBAL_UNARY
template<typename DerType> struct NumTraits<AutoDiffScalar<DerType> >