From 27367017bd0aef15a67ce76b8e263a94c2508a1c Mon Sep 17 00:00:00 2001
From: Arthur <afeeney@umass.edu>
Date: Thu, 11 Aug 2022 18:43:31 +0000
Subject: [PATCH] Disable bad "deprecated warning" edge-case in BDCSVD

---
 Eigen/src/Core/util/Macros.h | 16 ++++++++++++++++
 Eigen/src/SVD/BDCSVD.h       |  5 +++++
 2 files changed, 21 insertions(+)

diff --git a/Eigen/src/Core/util/Macros.h b/Eigen/src/Core/util/Macros.h
index 60dcb4866..0f30e8817 100644
--- a/Eigen/src/Core/util/Macros.h
+++ b/Eigen/src/Core/util/Macros.h
@@ -910,6 +910,22 @@
 #define EIGEN_UNUSED
 #endif
 
+#if EIGEN_COMP_GNUC
+  #define EIGEN_PRAGMA(tokens) _Pragma(#tokens)
+  #define EIGEN_DIAGNOSTICS(tokens) EIGEN_PRAGMA(GCC diagnostic tokens)
+  #define EIGEN_DIAGNOSTICS_OFF(msc, gcc) EIGEN_DIAGNOSTICS(gcc)
+#elif EIGEN_COMP_MSVC
+  #define EIGEN_PRAGMA(tokens) __pragma(tokens)
+  #define EIGEN_DIAGNOSTICS(tokens) EIGEN_PRAGMA(warning(tokens))
+  #define EIGEN_DIAGNOSTICS_OFF(msc, gcc) EIGEN_DIAGNOSTICS(msc)
+#else
+  #define EIGEN_PRAGMA(tokens)
+  #define EIGEN_DIAGNOSTICS(tokens)
+  #define EIGEN_DIAGNOSTICS_OFF(msc, gcc)
+#endif
+
+#define EIGEN_DISABLE_DEPRECATED_WARNING EIGEN_DIAGNOSTICS_OFF(disable : 4996, ignored "-Wdeprecated-declarations")
+
 // Suppresses 'unused variable' warnings.
 namespace Eigen {
   namespace internal {
diff --git a/Eigen/src/SVD/BDCSVD.h b/Eigen/src/SVD/BDCSVD.h
index f9e0c6259..094944263 100644
--- a/Eigen/src/SVD/BDCSVD.h
+++ b/Eigen/src/SVD/BDCSVD.h
@@ -57,6 +57,9 @@ struct allocate_small_svd {
   }
 };
 
+EIGEN_DIAGNOSTICS(push)
+EIGEN_DISABLE_DEPRECATED_WARNING
+
 template <typename MatrixType>
 struct allocate_small_svd<MatrixType, 0> {
   static void run(JacobiSVD<MatrixType>& smallSvd, Index rows, Index cols, unsigned int computationOptions) {
@@ -64,6 +67,8 @@ struct allocate_small_svd<MatrixType, 0> {
   }
 };
 
+EIGEN_DIAGNOSTICS(pop)
+
 } // end namespace internal
 
 /** \ingroup SVD_Module