[MacPorts] #50895: armadillo @6.500.5_0: update to 6.600.4

[MacPorts]

#50895: armadillo @6.500.5_0: update to 6.600.4
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 Reporter:  mschamschula@…       |      Owner:  macports-tickets@…
     Type:  update               |     Status:  new
 Priority:  Normal               |  Milestone:
Component:  ports                |    Version:  2.3.4
 Keywords:  haspatch maintainer  |       Port:  armadillo
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 armadillo has been updated to version 6.600.4. New this version:

 * expanded sum(), mean(), min(), max() to handle cubes
 * expanded Cube class to handle arbitrarily sized empty cubes (eg. 0x5x2)
 * added shift() for circular shifts of elements
 * added sqrtmat() for finding the square root of a matrix
 * fix for gmm_diag when using Mahalanobis distance

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Ticket URL: <https://trac.macports.org/ticket/50895>
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