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the default implementation should really call evalTo

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This commit is contained in:
Gael Guennebaud 2010-02-15 11:01:55 +01:00
parent d00bff91ad
commit 21d0eb3f11
1 changed files with 7 additions and 5 deletions
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12
Eigen/src/Core/AnyMatrixBase.h
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@ -61,7 +61,8 @@ template<typename Derived> struct AnyMatrixBase
{ {
// This is the default implementation, // This is the default implementation,
// derived class can reimplement it in a more optimized way. // derived class can reimplement it in a more optimized way.
typename Dest::PlainMatrixType res(*this); typename Dest::PlainMatrixType res(rows(),cols());
evalTo(res);
dst += res; dst += res;
} }
@ -70,7 +71,8 @@ template<typename Derived> struct AnyMatrixBase
{ {
// This is the default implementation, // This is the default implementation,
// derived class can reimplement it in a more optimized way. // derived class can reimplement it in a more optimized way.
typename Dest::PlainMatrixType res(*this); typename Dest::PlainMatrixType res(rows(),cols());
evalTo(res);
dst -= res; dst -= res;
} }
@ -98,9 +100,9 @@ template<typename Derived> struct AnyMatrixBase
/** \brief Copies the generic expression \a other into *this. /** \brief Copies the generic expression \a other into *this.
* *
* \details The expression must provide a (templated) evalTo(Derived& dst) const * \details The expression must provide a (templated) evalTo(Derived& dst) const
* function which does the actual job. In practice, this allows any user to write * function which does the actual job. In practice, this allows any user to write
* its own special matrix without having to modify MatrixBase * its own special matrix without having to modify MatrixBase
* *
* \returns a reference to *this. * \returns a reference to *this.
*/ */