Add a Symbolic::FixedExpr helper expression to make sure the compiler fully optimize the usage of last and end.

2026-04-10 11:34:33 +08:00 · 2017-01-18 23:16:32 +01:00
parent 15471432fe
commit f3ccbe0419
3 changed files with 15 additions and 1 deletions
--- a/Eigen/src/Core/ArithmeticSequence.h
+++ b/Eigen/src/Core/ArithmeticSequence.h
@@ -378,6 +378,7 @@ public:

  Index size() const { return (m_last-m_first+m_incr)/m_incr; }
  Index operator[](Index i) const { return m_first + i * m_incr; }
+  Index first() const { return m_first; }

  const FirstType& firstObject() const { return m_first; }
  const LastType&  lastObject()  const { return m_last; }