Fix compilation with gcc-4.6.0, patch provided by Anton Gladky <gladky.anton@gmail.com>,

working on debian packaging.

3 files changed, 4 insertions, 4 deletions

diff --git a/Eigen/src/Core/arch/AltiVec/Complex.h b/Eigen/src/Core/arch/AltiVec/Complex.h
index f8adf1b63..5d16c9430 100644
--- a/Eigen/src/Core/arch/AltiVec/Complex.h
+++ b/Eigen/src/Core/arch/AltiVec/Complex.h
@@ -70,7 +70,7 @@ template<> EIGEN_STRONG_INLINE Packet2cf pset1<Packet2cf>(const std::complex<flo
 {
   Packet2cf res;
   /* On AltiVec we cannot load 64-bit registers, so wa have to take care of alignment */
-  if((ptrdiff_t(&from) % 16) == 0)
+  if((std::ptrdiff_t(&from) % 16) == 0)
     res.v = pload<Packet4f>((const float *)&from);
   else
     res.v = ploadu<Packet4f>((const float *)&from);
diff --git a/Eigen/src/Core/arch/AltiVec/PacketMath.h b/Eigen/src/Core/arch/AltiVec/PacketMath.h
index dc34ebbd6..b814712f3 100644
--- a/Eigen/src/Core/arch/AltiVec/PacketMath.h
+++ b/Eigen/src/Core/arch/AltiVec/PacketMath.h
@@ -296,14 +296,14 @@ template<> EIGEN_STRONG_INLINE Packet4i ploadu<Packet4i>(const int* from)
 template<> EIGEN_STRONG_INLINE Packet4f ploaddup<Packet4f>(const float*   from)
 {
   Packet4f p;
-  if((ptrdiff_t(&from) % 16) == 0)  p = pload<Packet4f>(from);
+  if((std::ptrdiff_t(&from) % 16) == 0)  p = pload<Packet4f>(from);
   else                              p = ploadu<Packet4f>(from);
   return vec_perm(p, p, p16uc_DUPLICATE);
 }
 template<> EIGEN_STRONG_INLINE Packet4i ploaddup<Packet4i>(const int*     from)
 {
   Packet4i p;
-  if((ptrdiff_t(&from) % 16) == 0)  p = pload<Packet4i>(from);
+  if((std::ptrdiff_t(&from) % 16) == 0)  p = pload<Packet4i>(from);
   else                              p = ploadu<Packet4i>(from);
   return vec_perm(p, p, p16uc_DUPLICATE);
 }
diff --git a/Eigen/src/StlSupport/details.h b/Eigen/src/StlSupport/details.h
index 397c8ef85..2698361e8 100644
--- a/Eigen/src/StlSupport/details.h
+++ b/Eigen/src/StlSupport/details.h
@@ -38,7 +38,7 @@ namespace Eigen {
   {
   public:
     typedef size_t    size_type;
-    typedef ptrdiff_t difference_type;
+    typedef std::ptrdiff_t difference_type;
     typedef T*        pointer;
     typedef const T*  const_pointer;
     typedef T&        reference;