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-new: recursive costs system, useful to determine automatically

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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
This commit is contained in:
Benoit Jacob
2008-04-03 11:10:17 +00:00
parent e74fbfb2bc
commit d1a29d6319
28 changed files with 379 additions and 212 deletions
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7
doc/examples/class_CwiseUnaryOp.cpp
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@@ -5,9 +5,10 @@ using namespace std;
// define a custom template binary functor
template<typename Scalar>
struct CwiseClampOp EIGEN_EMPTY_STRUCT {
CwiseClampOp(const Scalar& inf, const Scalar& sup) : m_inf(inf), m_sup(sup) {}
Scalar operator()(const Scalar& x) const { return x<m_inf ? m_inf : (x>m_sup ? m_sup : x); }
Scalar m_inf, m_sup;
CwiseClampOp(const Scalar& inf, const Scalar& sup) : m_inf(inf), m_sup(sup) {}
const Scalar operator()(const Scalar& x) const { return x<m_inf ? m_inf : (x>m_sup ? m_sup : x); }
Scalar m_inf, m_sup;
enum { Cost = Eigen::ConditionalJumpCost + Eigen::NumTraits<Scalar>::AddCost };
};
int main(int, char**)