From d1a29d6319d6919e0c3d1c624ad45d8202be1942 Mon Sep 17 00:00:00 2001
From: Benoit Jacob <jacob.benoit.1@gmail.com>
Date: Thu, 3 Apr 2008 11:10:17 +0000
Subject: -new: recursive costs system, useful to determine automatically  when
 to evaluate arguments and when to meta-unroll. -use it in Product to
 determine when to eval args. not yet used  to determine when to unroll. for
 now, not used anywhere else but  that'll follow. -fix badness of my last
 commit

---
 Eigen/src/Core/Random.h | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'Eigen/src/Core/Random.h')

diff --git a/Eigen/src/Core/Random.h b/Eigen/src/Core/Random.h
index 03f08ef06..4bd482958 100644
--- a/Eigen/src/Core/Random.h
+++ b/Eigen/src/Core/Random.h
@@ -41,7 +41,8 @@ struct ei_traits<Random<MatrixType> >
     ColsAtCompileTime = ei_traits<MatrixType>::ColsAtCompileTime,
     MaxRowsAtCompileTime = ei_traits<MatrixType>::MaxRowsAtCompileTime,
     MaxColsAtCompileTime = ei_traits<MatrixType>::MaxColsAtCompileTime,
-    Flags = ei_traits<MatrixType>::Flags
+    Flags = ei_traits<MatrixType>::Flags,
+    CoeffReadCost = 2 * NumTraits<Scalar>::MulCost // FIXME: arbitrary value
   };
 };
 
@@ -92,7 +93,7 @@ template<typename MatrixType> class Random : ei_no_assignment_operator,
   * \sa ei_random(), ei_random(int)
   */
 template<typename Derived>
-const typename ei_eval_unless_lazy<Random<Derived> >::Type
+const typename ei_eval_unless_lazy<Random<Derived> >::type
 MatrixBase<Derived>::random(int rows, int cols)
 {
   return Random<Derived>(rows, cols).eval();
@@ -115,7 +116,7 @@ MatrixBase<Derived>::random(int rows, int cols)
   * \sa ei_random(), ei_random(int,int)
   */
 template<typename Derived>
-const typename ei_eval_unless_lazy<Random<Derived> >::Type
+const typename ei_eval_unless_lazy<Random<Derived> >::type
 MatrixBase<Derived>::random(int size)
 {
   ei_assert(IsVectorAtCompileTime);
@@ -135,7 +136,7 @@ MatrixBase<Derived>::random(int size)
   * \sa ei_random(int), ei_random(int,int)
   */
 template<typename Derived>
-const typename ei_eval_unless_lazy<Random<Derived> >::Type
+const typename ei_eval_unless_lazy<Random<Derived> >::type
 MatrixBase<Derived>::random()
 {
   return Random<Derived>(RowsAtCompileTime, ColsAtCompileTime).eval();
-- 
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