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make sure our internal selfadjoint*vector product does not use the imaginary part of the diagonal entries

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This commit is contained in:
Gael Guennebaud 2010-11-21 10:08:48 +01:00
parent e88901daf4
commit 12bfe5e718
1 changed files with 4 additions and 3 deletions
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7
Eigen/src/Core/products/SelfadjointMatrixVector.h
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@ -94,7 +94,7 @@ static EIGEN_DONT_INLINE void product_selfadjoint_vector(
size_t alignedStart = (starti) + first_aligned(&res[starti], endi-starti);
alignedEnd = alignedStart + ((endi-alignedStart)/(PacketSize))*(PacketSize);
res[j] += cj0.pmul(A0[j], t0);
res[j] += internal::real(A0[j]) * t0;
if(FirstTriangular)
{
res[j+1] += cj0.pmul(A1[j+1], t1);
@ -147,8 +147,9 @@ static EIGEN_DONT_INLINE void product_selfadjoint_vector(
Scalar t1 = cjAlpha * rhs[j];
Scalar t2 = 0;
res[j] += cj0.pmul(A0[j],t1);
for (Index i=FirstTriangular ? 0 : j+1; i<(FirstTriangular ? j : size); i++) {
res[j] += internal::real(A0[j]) * t1;
for (Index i=FirstTriangular ? 0 : j+1; i<(FirstTriangular ? j : size); i++)
{
res[i] += cj0.pmul(A0[i], t1);
t2 += cj1.pmul(A0[i], rhs[i]);
}