From e735692e3709d7b42e1c1c7dfb1055081b49b0dc Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Fri, 20 Jun 2008 07:10:50 +0000
Subject: [PATCH] move "enum" back to "const int" int ei_assign_impl: in fact,
 casting enums to int is enough to get compile time constants with ICC.

---
 Eigen/src/Core/Assign.h | 23 ++++++++++-------------
 1 file changed, 10 insertions(+), 13 deletions(-)

diff --git a/Eigen/src/Core/Assign.h b/Eigen/src/Core/Assign.h
index b0e885dfe..d5604824f 100644
--- a/Eigen/src/Core/Assign.h
+++ b/Eigen/src/Core/Assign.h
@@ -351,25 +351,22 @@ struct ei_assign_impl<Derived1, Derived2, LinearVectorization, CompleteUnrolling
 {
   inline static void run(Derived1 &dst, const Derived2 &src)
   {
-    enum {
-      size = Derived1::SizeAtCompileTime,
-      packetSize = ei_packet_traits<typename Derived1::Scalar>::size,
-      alignedSize = (int(size)/int(packetSize))*int(packetSize),
-      rowMajor = int(Derived1::Flags)&RowMajorBit,
-      innerSize = int(rowMajor) ? int(Derived1::ColsAtCompileTime) : int(Derived1::RowsAtCompileTime),
-      outerSize = int(rowMajor) ? int(Derived1::RowsAtCompileTime) : int(Derived1::ColsAtCompileTime)
-    };
+    const int size = Derived1::SizeAtCompileTime;
+    const int packetSize = ei_packet_traits<typename Derived1::Scalar>::size;
+    const int alignedSize = (size/packetSize)*packetSize;
+    const bool rowMajor = int(Derived1::Flags)&RowMajorBit;
+    const int innerSize = rowMajor ? int(Derived1::ColsAtCompileTime) : int(Derived1::RowsAtCompileTime);
+    const int outerSize = rowMajor ? int(Derived1::RowsAtCompileTime) : int(Derived1::ColsAtCompileTime);
 
     // do the vectorizable part of the assignment
     ei_assign_innervec_CompleteUnrolling<Derived1, Derived2, 0, alignedSize>::run(dst, src);
 
     // now we must do the rest without vectorization.
-    enum {
-      k = int(alignedSize)/int(innerSize),
-      i = int(alignedSize)%int(innerSize)
-    };
+    const int k = alignedSize/innerSize;
+    const int i = alignedSize%innerSize;
+
     // do the remainder of the current row or col
-    ei_assign_novec_InnerUnrolling<Derived1, Derived2, i, int(k)<int(outerSize) ? int(innerSize) : 0>::run(dst, src, k);
+    ei_assign_novec_InnerUnrolling<Derived1, Derived2, i, k<outerSize ? innerSize : 0>::run(dst, src, k);
 
     // do the remaining rows or cols
     for(int j = k+1; j < outerSize; j++)