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-rw-r--r--boost/numeric/odeint/external/eigen/eigen_algebra.hpp13
1 files changed, 13 insertions, 0 deletions
diff --git a/boost/numeric/odeint/external/eigen/eigen_algebra.hpp b/boost/numeric/odeint/external/eigen/eigen_algebra.hpp
index 6ca2026b9f..b4ee5c3b1f 100644
--- a/boost/numeric/odeint/external/eigen/eigen_algebra.hpp
+++ b/boost/numeric/odeint/external/eigen/eigen_algebra.hpp
@@ -71,6 +71,19 @@ operator/(const Eigen::MatrixBase<D1> &x1, const Eigen::MatrixBase<D2> &x2) {
return x1.cwiseQuotient(x2);
}
+
+template< typename D >
+inline const
+typename Eigen::CwiseUnaryOp<
+ typename Eigen::internal::scalar_abs_op<
+ typename Eigen::internal::traits< D >::Scalar > ,
+ const D >
+abs( const Eigen::MatrixBase< D > &m ) {
+ return m.cwiseAbs();
+}
+
+
+
} // end Eigen namespace