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current state of the mess. One line fails in the tests, and

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useless copies are made when evaluating nested expressions.
Changes:
- kill LazyBit, introduce EvalBeforeNestingBit and EvalBeforeAssigningBit
- product and random don't evaluate immediately anymore
- eval() always evaluates
- change the value of Dynamic to some large positive value,
  in preparation of future simplifications
This commit is contained in:
Benoit Jacob
2008-04-03 16:54:19 +00:00
parent b8900d0b80
commit 249dc4f482
7 changed files with 67 additions and 72 deletions
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13
Eigen/src/Core/MatrixBase.h
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@@ -252,7 +252,8 @@ template<typename Derived> class MatrixBase
*/
//@{
template<typename OtherDerived>
const typename ei_eval_unless_lazy<Product<Derived, OtherDerived> >::type
const Product<typename ei_eval_if_needed_before_nesting<Derived, OtherDerived::ColsAtCompileTime>::type,
typename ei_eval_if_needed_before_nesting<OtherDerived, ei_traits<Derived>::ColsAtCompileTime>::type>
operator*(const MatrixBase<OtherDerived> &other) const;
template<typename OtherDerived>
@@ -312,9 +313,9 @@ template<typename Derived> class MatrixBase
/// \name Generating special matrices
//@{
static const typename ei_eval_unless_lazy<Random<Derived> >::type random(int rows, int cols);
static const typename ei_eval_unless_lazy<Random<Derived> >::type random(int size);
static const typename ei_eval_unless_lazy<Random<Derived> >::type random();
static const Random<Derived> random(int rows, int cols);
static const Random<Derived> random(int size);
static const Random<Derived> random();
static const Zero<Derived> zero(int rows, int cols);
static const Zero<Derived> zero(int size);
static const Zero<Derived> zero();
@@ -358,9 +359,9 @@ template<typename Derived> class MatrixBase
template<typename NewType>
const CwiseUnaryOp<ei_scalar_cast_op<typename ei_traits<Derived>::Scalar, NewType>, Derived> cast() const;
const typename ei_eval_unless_lazy<Derived>::type eval() const EIGEN_ALWAYS_INLINE
const typename ei_eval<Derived>::type eval() const EIGEN_ALWAYS_INLINE
{
return typename ei_eval_unless_lazy<Derived>::type(derived());
return typename ei_eval<Derived>::type(derived());
}
template<typename OtherDerived>