Github user KyleLi1985 commented on the issue: https://github.com/apache/spark/pull/23126 Add test case in RowMatrixSuite for this PR, The breeze output is 6.711333870761802E-11 -3.833375461575691E-12 -3.833375461575691E-12 2.916662578525011E-12 Before add this commit, the result is: 1.9073486328125E-6 3.814697265625E-6 3.814697265625E-6 -7.62939453125E-6 After add this commit, the result is: 6.711333870761802E-11 -3.833375461575691E-12 -3.833375461575691E-12 2.916662578525011E-12
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