From f3cc1cb4d8c83771ad080de44946efe73c4f8fc7 Mon Sep 17 00:00:00 2001
From: Justin Carpentier <justin.carpentier@inria.fr>
Date: Tue, 25 Feb 2020 14:27:24 +0100
Subject: [PATCH] core: check whether memory is aligned or not for Eigen::Ref
---
include/eigenpy/eigen-allocator.hpp | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/include/eigenpy/eigen-allocator.hpp b/include/eigenpy/eigen-allocator.hpp
index 5197ea78..bd3093cf 100644
--- a/include/eigenpy/eigen-allocator.hpp
+++ b/include/eigenpy/eigen-allocator.hpp
@@ -9,6 +9,8 @@
#include "eigenpy/map.hpp"
#include "eigenpy/scalar-conversion.hpp"
+#include <boost/align/is_aligned.hpp>
+
namespace eigenpy
{
@@ -228,6 +230,12 @@ namespace eigenpy
need_to_allocate |= false;
else
need_to_allocate |= true;
+ if(Options != Eigen::Unaligned) // we need to check whether the memory is correctly aligned and composed of a continuous segment
+ {
+ void * data_ptr = PyArray_DATA(pyArray);
+ if(!PyArray_ISONESEGMENT(pyArray) || !boost::alignment::is_aligned(data_ptr,Options))
+ need_to_allocate |= true;
+ }
void * raw_ptr = storage->storage.bytes;
if(need_to_allocate)
--
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