Make non-conversion unary constructors explicit.

3 files changed, 9 insertions, 9 deletions

diff --git a/unsupported/Eigen/src/MatrixFunctions/MatrixExponential.h b/unsupported/Eigen/src/MatrixFunctions/MatrixExponential.h
index 221ec3115..750b0b989 100644
--- a/unsupported/Eigen/src/MatrixFunctions/MatrixExponential.h
+++ b/unsupported/Eigen/src/MatrixFunctions/MatrixExponential.h
@@ -32,7 +32,7 @@ class MatrixExponential : internal::noncopyable
       *
       * \param[in] M  matrix whose exponential is to be computed.
       */
-    MatrixExponential(const MatrixType &M);
+    explicit MatrixExponential(const MatrixType &M);
 
     /** \brief Computes the matrix exponential.
       *
@@ -415,7 +415,7 @@ template<typename Derived> struct MatrixExponentialReturnValue
       * \param[in] src %Matrix (expression) forming the argument of the
       * matrix exponential.
       */
-    MatrixExponentialReturnValue(const Derived& src) : m_src(src) { }
+    explicit MatrixExponentialReturnValue(const Derived& src) : m_src(src) { }
 
     /** \brief Compute the matrix exponential.
       *
diff --git a/unsupported/Eigen/src/MatrixFunctions/MatrixLogarithm.h b/unsupported/Eigen/src/MatrixFunctions/MatrixLogarithm.h
index 32ec385e0..33cfadfb4 100644
--- a/unsupported/Eigen/src/MatrixFunctions/MatrixLogarithm.h
+++ b/unsupported/Eigen/src/MatrixFunctions/MatrixLogarithm.h
@@ -425,7 +425,7 @@ public:
     *
     * \param[in]  A  %Matrix (expression) forming the argument of the matrix logarithm.
     */
-  MatrixLogarithmReturnValue(const Derived& A) : m_A(A) { }
+  explicit MatrixLogarithmReturnValue(const Derived& A) : m_A(A) { }
   
   /** \brief Compute the matrix logarithm.
     *
diff --git a/unsupported/Eigen/src/MatrixFunctions/MatrixSquareRoot.h b/unsupported/Eigen/src/MatrixFunctions/MatrixSquareRoot.h
index c405bfd61..0cd39ebe4 100644
--- a/unsupported/Eigen/src/MatrixFunctions/MatrixSquareRoot.h
+++ b/unsupported/Eigen/src/MatrixFunctions/MatrixSquareRoot.h
@@ -36,7 +36,7 @@ class MatrixSquareRootQuasiTriangular : internal::noncopyable
       * The class stores a reference to \p A, so it should not be
       * changed (or destroyed) before compute() is called.
       */
-    MatrixSquareRootQuasiTriangular(const MatrixType& A) 
+    explicit MatrixSquareRootQuasiTriangular(const MatrixType& A) 
       : m_A(A) 
     {
       eigen_assert(A.rows() == A.cols());
@@ -256,7 +256,7 @@ template <typename MatrixType>
 class MatrixSquareRootTriangular : internal::noncopyable
 {
   public:
-    MatrixSquareRootTriangular(const MatrixType& A) 
+    explicit MatrixSquareRootTriangular(const MatrixType& A) 
       : m_A(A) 
     {
       eigen_assert(A.rows() == A.cols());
@@ -321,7 +321,7 @@ class MatrixSquareRoot
       * The class stores a reference to \p A, so it should not be
       * changed (or destroyed) before compute() is called.
       */
-    MatrixSquareRoot(const MatrixType& A); 
+    explicit MatrixSquareRoot(const MatrixType& A); 
     
     /** \brief Compute the matrix square root
       *
@@ -341,7 +341,7 @@ class MatrixSquareRoot<MatrixType, 0>
 {
   public:
 
-    MatrixSquareRoot(const MatrixType& A) 
+    explicit MatrixSquareRoot(const MatrixType& A) 
       : m_A(A) 
     {  
       eigen_assert(A.rows() == A.cols());
@@ -374,7 +374,7 @@ class MatrixSquareRoot<MatrixType, 1> : internal::noncopyable
 {
   public:
 
-    MatrixSquareRoot(const MatrixType& A) 
+    explicit MatrixSquareRoot(const MatrixType& A) 
       : m_A(A) 
     {  
       eigen_assert(A.rows() == A.cols());
@@ -422,7 +422,7 @@ template<typename Derived> class MatrixSquareRootReturnValue
       * \param[in]  src  %Matrix (expression) forming the argument of the
       * matrix square root.
       */
-    MatrixSquareRootReturnValue(const Derived& src) : m_src(src) { }
+    explicit MatrixSquareRootReturnValue(const Derived& src) : m_src(src) { }
 
     /** \brief Compute the matrix square root.
       *