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the big Array/Cwise rework as discussed on the mailing list. The new API

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can be seen in Eigen/src/Core/Cwise.h.
This commit is contained in:
Benoit Jacob
2008-07-08 00:49:10 +00:00
parent c910c517b3
commit f5791eeb70
26 changed files with 465 additions and 389 deletions
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8
Eigen/src/LU/Inverse.h
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@@ -107,14 +107,14 @@ void Inverse<MatrixType, CheckExistence>
::_compute_in_general_case(const MatrixType& _matrix)
{
MatrixType matrix(_matrix);
const RealScalar max = CheckExistence ? matrix.cwiseAbs().maxCoeff()
const RealScalar max = CheckExistence ? matrix.cwise().abs().maxCoeff()
: static_cast<RealScalar>(0);
const int size = matrix.rows();
for(int k = 0; k < size-1; k++)
{
int rowOfBiggest;
const RealScalar max_in_this_col
= matrix.col(k).end(size-k).cwiseAbs().maxCoeff(&rowOfBiggest);
= matrix.col(k).end(size-k).cwise().abs().maxCoeff(&rowOfBiggest);
if(CheckExistence && ei_isMuchSmallerThan(max_in_this_col, max))
{ m_exists = false; return; }
@@ -150,7 +150,7 @@ bool ei_compute_size2_inverse(const ExpressionType& xpr, typename ExpressionType
typedef typename ExpressionType::Scalar Scalar;
const typename ei_nested<ExpressionType, 1+CheckExistence>::type matrix(xpr);
const Scalar det = matrix.determinant();
if(CheckExistence && ei_isMuchSmallerThan(det, matrix.cwiseAbs().maxCoeff()))
if(CheckExistence && ei_isMuchSmallerThan(det, matrix.cwise().abs().maxCoeff()))
return false;
const Scalar invdet = static_cast<Scalar>(1) / det;
result->coeffRef(0,0) = matrix.coeff(1,1) * invdet;
@@ -169,7 +169,7 @@ void Inverse<MatrixType, CheckExistence>::_compute_in_size3_case(const MatrixTyp
const Scalar det = det_minor00 * matrix.coeff(0,0)
- det_minor10 * matrix.coeff(1,0)
+ det_minor20 * matrix.coeff(2,0);
if(CheckExistence && ei_isMuchSmallerThan(det, matrix.cwiseAbs().maxCoeff()))
if(CheckExistence && ei_isMuchSmallerThan(det, matrix.cwise().abs().maxCoeff()))
m_exists = false;
else
{