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Fix sparse product with entities that do not have direct access.

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libeigen/eigen!2205
This commit is contained in:
Antonio Sánchez
2026-02-25 00:27:06 +00:00
committed by Rasmus Munk Larsen
parent 00cc497d32
commit 2cd9bb7380
2 changed files with 35 additions and 12 deletions
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5
test/sparse_product.cpp
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@@ -158,6 +158,11 @@ void sparse_product() {
VERIFY_IS_APPROX(dm4 = m2t.transpose() * (refMat3 + refMat5) * 0.5,
refMat4 = refMat2t.transpose() * (refMat3 + refMat5) * 0.5);
// sparse * dense expression without DirectAccessBit (e.g. CwiseNullaryOp)
VERIFY_IS_APPROX(dm4 = m2 * DenseMatrix::Constant(depth, cols, s1),
refMat4 = refMat2 * DenseMatrix::Constant(depth, cols, s1));
VERIFY_IS_APPROX(dm4 = m2 * DenseMatrix::Zero(depth, cols), refMat4 = refMat2 * DenseMatrix::Zero(depth, cols));
// sparse * dense vector
VERIFY_IS_APPROX(dm4.col(0) = m2 * refMat3.col(0), refMat4.col(0) = refMat2 * refMat3.col(0));
VERIFY_IS_APPROX(dm4.col(0) = m2 * refMat3t.transpose().col(0),