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ippmEigenValuesVectors legacy90 vs 7.2

ocean0074
Beginner
‎07-14-2020 05:04 PM
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We upgraded our ipp from 7.2 to 2018 and found out that ippmEigenValuesVectors_m_64f(…) from 7.2 and legacy90 api have different results. Is there a reason two versions would have different outputs.

In the case of legacy90 the output is completely off from expected value. 

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Gennady_F_Intel
Moderator
‎07-17-2020 07:51 AM
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it's pretty difficult to comment on something regarding this case because neither 7.2 nor 9.0 are no longer supported and if you need to compute the EV, you may try to check the MKL's solution: LAPACKE_dgeev 

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