From 8b4efc8ed8a65415e248d54fbc9afdd964c94f64 Mon Sep 17 00:00:00 2001
From: Charles Schlosser <cs.schlosser@gmail.com>
Date: Wed, 13 Nov 2024 00:35:35 +0000
Subject: [PATCH] check_size_for_overflow: use numeric limits instead of c99
 macro

---
 Eigen/src/Core/util/Memory.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Eigen/src/Core/util/Memory.h b/Eigen/src/Core/util/Memory.h
index 2acdd9df5..a278c9129 100644
--- a/Eigen/src/Core/util/Memory.h
+++ b/Eigen/src/Core/util/Memory.h
@@ -391,7 +391,7 @@ EIGEN_DEVICE_FUNC inline T* move_construct_elements_of_array(T* ptr, T* src, std
 
 template <typename T>
 EIGEN_DEVICE_FUNC EIGEN_ALWAYS_INLINE void check_size_for_overflow(std::size_t size) {
-  constexpr std::size_t max_elements = PTRDIFF_MAX / sizeof(T);
+  constexpr std::size_t max_elements = (std::numeric_limits<std::ptrdiff_t>::max)() / sizeof(T);
   if (size > max_elements) throw_std_bad_alloc();
 }