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Correct Schur decomposition for 2x2 matrices

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Due to rounding and possible loss of precision the lower left element of the 2x2 matrix
may be different from zero.
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daingun 2019-11-01 22:12:59 +01:00 committed by Sébastien Crozet
parent 286a37364e
commit ead2360f8e
1 changed files with 1 additions and 0 deletions
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src/linalg/schur.rs
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@ -413,6 +413,7 @@ where
let inv_rot = rot.inverse(); let inv_rot = rot.inverse();
inv_rot.rotate(&mut m); inv_rot.rotate(&mut m);
rot.rotate_rows(&mut m); rot.rotate_rows(&mut m);
m[(1, 0)] = N::zero();
if compute_q { if compute_q {
// XXX: we have to build the matrix manually because // XXX: we have to build the matrix manually because