diff options
Diffstat (limited to 'unsupported/Eigen/src/NumericalDiff/NumericalDiff.h')
-rw-r--r-- | unsupported/Eigen/src/NumericalDiff/NumericalDiff.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/unsupported/Eigen/src/NumericalDiff/NumericalDiff.h b/unsupported/Eigen/src/NumericalDiff/NumericalDiff.h index d848cb407..7ee30e18c 100644 --- a/unsupported/Eigen/src/NumericalDiff/NumericalDiff.h +++ b/unsupported/Eigen/src/NumericalDiff/NumericalDiff.h @@ -63,11 +63,13 @@ public: */ int df(const InputType& _x, JacobianType &jac) const { + using std::sqrt; + using std::abs; /* Local variables */ Scalar h; int nfev=0; const typename InputType::Index n = _x.size(); - const Scalar eps = internal::sqrt(((std::max)(epsfcn,NumTraits<Scalar>::epsilon() ))); + const Scalar eps = sqrt(((std::max)(epsfcn,NumTraits<Scalar>::epsilon() ))); ValueType val1, val2; InputType x = _x; // TODO : we should do this only if the size is not already known @@ -89,7 +91,7 @@ public: // Function Body for (int j = 0; j < n; ++j) { - h = eps * internal::abs(x[j]); + h = eps * abs(x[j]); if (h == 0.) { h = eps; } |