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-rw-r--r--Eigen/src/IterativeLinearSolvers/ConjugateGradient.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/Eigen/src/IterativeLinearSolvers/ConjugateGradient.h b/Eigen/src/IterativeLinearSolvers/ConjugateGradient.h
index 59092dc18..dbedf28fd 100644
--- a/Eigen/src/IterativeLinearSolvers/ConjugateGradient.h
+++ b/Eigen/src/IterativeLinearSolvers/ConjugateGradient.h
@@ -185,7 +185,8 @@ public:
* this class becomes invalid. Call compute() to update it with the new
* matrix A, or modify a copy of A.
*/
- explicit ConjugateGradient(const MatrixType& A) : Base(A) {}
+ template<typename MatrixDerived>
+ explicit ConjugateGradient(const EigenBase<MatrixDerived>& A) : Base(A.derived()) {}
~ConjugateGradient() {}