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fix bug #485: conflict between a typedef and template type parameter

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This commit is contained in:
Gael Guennebaud 2012-07-13 20:54:38 +02:00
parent 269be00925
commit 46b1c7a0ce
1 changed files with 10 additions and 9 deletions
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19
Eigen/src/IterativeLinearSolvers/BasicPreconditioners.h
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@ -37,12 +37,13 @@ class DiagonalPreconditioner
typedef typename Vector::Index Index;
public:
// this typedef is only to export the scalar type and compile-time dimensions to solve_retval
typedef Matrix<Scalar,Dynamic,Dynamic> MatrixType;
DiagonalPreconditioner() : m_isInitialized(false) {}
template<typename MatrixType>
DiagonalPreconditioner(const MatrixType& mat) : m_invdiag(mat.cols())
template<typename MatType>
DiagonalPreconditioner(const MatType& mat) : m_invdiag(mat.cols())
{
compute(mat);
}
@ -50,19 +51,19 @@ class DiagonalPreconditioner
Index rows() const { return m_invdiag.size(); }
Index cols() const { return m_invdiag.size(); }
template<typename MatrixType>
DiagonalPreconditioner& analyzePattern(const MatrixType& )
template<typename MatType>
DiagonalPreconditioner& analyzePattern(const MatType& )
{
return *this;
}
template<typename MatrixType>
DiagonalPreconditioner& factorize(const MatrixType& mat)
template<typename MatType>
DiagonalPreconditioner& factorize(const MatType& mat)
{
m_invdiag.resize(mat.cols());
for(int j=0; j<mat.outerSize(); ++j)
{
typename MatrixType::InnerIterator it(mat,j);
typename MatType::InnerIterator it(mat,j);
while(it && it.index()!=j) ++it;
if(it && it.index()==j)
m_invdiag(j) = Scalar(1)/it.value();
@ -73,8 +74,8 @@ class DiagonalPreconditioner
return *this;
}
template<typename MatrixType>
DiagonalPreconditioner& compute(const MatrixType& mat)
template<typename MatType>
DiagonalPreconditioner& compute(const MatType& mat)
{
return factorize(mat);
}