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Tests: deflake integer_types

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libeigen/eigen!2711

Co-authored-by: Rasmus Munk Larsen <rmlarsen@gmail.com>
This commit is contained in:
Rasmus Munk Larsen
2026-07-10 16:52:16 -07:00
co-authored by Rasmus Munk Larsen
parent 9d5669f470
commit 70baef3c31
1 changed files with 5 additions and 0 deletions
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test/integer_types.cpp
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@@ -59,6 +59,11 @@ void integer_type_tests(const MatrixType& m) {
SquareMatrixType square = RandomMatrix<SquareMatrixType>(rows, rows, Scalar(0), kMax);
VectorType v1 = RandomMatrix<VectorType, Scalar>(rows, Index(1), Scalar(0), NumTraits<Scalar>::highest() / Scalar(2));
// The checks below require m1 != 2 * m1, m1 != m2, and v1 != 2 * v1, which random draws do not
// guarantee (in particular for 1x1 matrices); patch one entry to rule out the degenerate cases.
if (m1 == MatrixType::Zero(rows, cols) || m1 == m2) m1(0, 0) = m2(0, 0) + Scalar(1);
if (v1 == VectorType::Zero(rows)) v1(0) = Scalar(1);
VERIFY_IS_APPROX(v1, v1);
VERIFY_IS_NOT_APPROX(v1, 2 * v1);
VERIFY_IS_APPROX(VectorType::Zero(rows), v1 - v1);