Re-add svd::compute(Matrix, options) method to avoid breaking external projects.

Eigen/src/Core/MatrixBase.h

@@ -373,11 +373,13 @@ template<typename Derived> class MatrixBase
     template<int Options = 0>
     inline JacobiSVD<PlainObject, Options> jacobiSvd() const;
     template<int Options = 0>
+    EIGEN_DEPRECATED
     inline JacobiSVD<PlainObject, Options> jacobiSvd(unsigned int computationOptions) const;
 
     template<int Options = 0>
     inline BDCSVD<PlainObject, Options> bdcSvd() const;
     template<int Options = 0>
+    EIGEN_DEPRECATED
     inline BDCSVD<PlainObject, Options> bdcSvd(unsigned int computationOptions) const;
 
 /////////// Geometry module ///////////

Eigen/src/SVD/BDCSVD.h

@@ -152,15 +152,18 @@ public:
    * Like the default constructor but with preallocation of the internal data
    * according to the specified problem size and the \a computationOptions.
    *
-   * <b>Note: This constructor is deprecated.</b>
    * One \b cannot request unitiaries using both the \a Options template parameter
    * and the constructor. If possible, prefer using the \a Options template parameter.
    *
    * \param computationOptions specifification for computing Thin/Full unitaries U/V
    * \sa BDCSVD()
+   *
+   * \deprecated Will be removed in the next major Eigen version. Options should
+   * be specified in the \a Options template parameter.
    */
+  EIGEN_DEPRECATED
   BDCSVD(Index rows, Index cols, unsigned int computationOptions) : m_algoswap(16), m_numIters(0) {
-    internal::check_svd_constructor_assertions<MatrixType, Options>(computationOptions);
+    internal::check_svd_options_assertions<MatrixType, Options>(computationOptions);
     allocate(rows, cols, computationOptions);
   }
 
@@ -176,15 +179,18 @@ public:
   /** \brief Constructor performing the decomposition of given matrix using specified options
    *         for computing unitaries.
    *
-   *  <b>Note: This constructor is deprecated.</b>
    *  One \b cannot request unitiaries using both the \a Options template parameter
    *  and the constructor. If possible, prefer using the \a Options template parameter.
    *
    * \param matrix the matrix to decompose
    * \param computationOptions specifification for computing Thin/Full unitaries U/V
+   *
+   * \deprecated Will be removed in the next major Eigen version. Options should
+   * be specified in the \a Options template parameter.
    */
+  EIGEN_DEPRECATED
   BDCSVD(const MatrixType& matrix, unsigned int computationOptions) : m_algoswap(16), m_numIters(0) {
-    internal::check_svd_constructor_assertions<MatrixType, Options>(computationOptions);
+    internal::check_svd_options_assertions<MatrixType, Options>(computationOptions);
     compute_impl(matrix, computationOptions);
   }
 
@@ -196,6 +202,21 @@ public:
    * \param matrix the matrix to decompose
    */
   BDCSVD& compute(const MatrixType& matrix) { return compute_impl(matrix, m_computationOptions); }
+  
+  /** \brief Method performing the decomposition of given matrix, as specified by
+   *         the `computationOptions` parameter.
+   *
+   * \param matrix the matrix to decompose
+   * \param computationOptions specify whether to compute Thin/Full unitaries U/V
+   * 
+   * \deprecated Will be removed in the next major Eigen version. Options should
+   * be specified in the \a Options template parameter.
+   */
+  EIGEN_DEPRECATED
+  BDCSVD& compute(const MatrixType& matrix, unsigned int computationOptions) {
+    internal::check_svd_options_assertions<MatrixType, Options>(computationOptions);
+    return compute_impl(matrix, computationOptions);
+  }
 
   void setSwitchSize(int s)
   {

Eigen/src/SVD/JacobiSVD.h

@@ -557,15 +557,18 @@ class JacobiSVD : public SVDBase<JacobiSVD<MatrixType_, Options> > {
    * Like the default constructor but with preallocation of the internal data
    * according to the specified problem size.
    *
-   * <b>Note: This constructor is deprecated.</b>
+   * One \b cannot request unitaries using both the \a Options template parameter
-   * one \b cannot request unitaries using both the \a Options template parameter
    * and the constructor. If possible, prefer using the \a Options template parameter.
    *
    * \param computationOptions specify whether to compute Thin/Full unitaries U/V
    * \sa JacobiSVD()
+   *
+   * \deprecated Will be removed in the next major Eigen version. Options should
+   * be specified in the \a Options template parameter.
    */
+  EIGEN_DEPRECATED
   JacobiSVD(Index rows, Index cols, unsigned int computationOptions) {
-    internal::check_svd_constructor_assertions<MatrixType, Options>(computationOptions);
+    internal::check_svd_options_assertions<MatrixType, Options>(computationOptions);
     allocate(rows, cols, computationOptions);
   }
 
@@ -579,15 +582,18 @@ class JacobiSVD : public SVDBase<JacobiSVD<MatrixType_, Options> > {
   /** \brief Constructor performing the decomposition of given matrix using specified options
    *         for computing unitaries.
    *
-   *  <b>Note: This constructor is deprecated.</b>
    *  One \b cannot request unitiaries using both the \a Options template parameter
    *  and the constructor. If possible, prefer using the \a Options template parameter.
    *
    * \param matrix the matrix to decompose
    * \param computationOptions specify whether to compute Thin/Full unitaries U/V
+   *
+   * \deprecated Will be removed in the next major Eigen version. Options should
+   * be specified in the \a Options template parameter.
    */
+  EIGEN_DEPRECATED
   JacobiSVD(const MatrixType& matrix, unsigned int computationOptions) {
-    internal::check_svd_constructor_assertions<MatrixType, Options>(computationOptions);
+    internal::check_svd_options_assertions<MatrixType, Options>(computationOptions);
     compute_impl(matrix, computationOptions);
   }
 
@@ -598,6 +604,21 @@ class JacobiSVD : public SVDBase<JacobiSVD<MatrixType_, Options> > {
    */
   JacobiSVD& compute(const MatrixType& matrix) { return compute_impl(matrix, m_computationOptions); }
 
+  /** \brief Method performing the decomposition of given matrix, as specified by
+   *         the `computationOptions` parameter.
+   *
+   * \param matrix the matrix to decompose
+   * \param computationOptions specify whether to compute Thin/Full unitaries U/V
+   * 
+   * \deprecated Will be removed in the next major Eigen version. Options should
+   * be specified in the \a Options template parameter.
+   */
+  EIGEN_DEPRECATED
+  JacobiSVD& compute(const MatrixType& matrix, unsigned int computationOptions) {
+    internal::check_svd_options_assertions<MatrixType, Options>(m_computationOptions);
+    return compute_impl(matrix, computationOptions);
+  }
+
   using Base::computeU;
   using Base::computeV;
   using Base::rows;

Eigen/src/SVD/SVDBase.h

@@ -38,15 +38,15 @@ constexpr int should_svd_compute_thin_v(int options) { return options & ComputeT
 constexpr int should_svd_compute_full_v(int options) { return options & ComputeFullV; }
 
 template <typename MatrixType, int Options>
-void check_svd_constructor_assertions(unsigned int computationOptions) {
+void check_svd_options_assertions(unsigned int computationOptions) {
   EIGEN_STATIC_ASSERT((Options & ComputationOptionsBits) == 0,
                       "SVDBase: Cannot request U or V using both static and runtime options, even if they match. "
-                      "Requesting unitaries at runtime through the constructor is DEPRECATED: "
+                      "Requesting unitaries at runtime is DEPRECATED: "
-                      "If possible, prefer requesting unitaries statically, using the Options template parameter.");
+                      "Prefer requesting unitaries statically, using the Options template parameter.");
   eigen_assert(
       !(should_svd_compute_thin_u(computationOptions) && MatrixType::ColsAtCompileTime != Dynamic) &&
       !(should_svd_compute_thin_v(computationOptions) && MatrixType::ColsAtCompileTime != Dynamic) &&
-      "SVDBase: If U or V are requested at runtime through the constructor, then thin U and V are only available when "
+      "SVDBase: If U or V are requested at runtime, then thin U and V are only available when "
       "your matrix has a dynamic number of columns.");
   (void)computationOptions;
 }