[MacPorts] #48185: octave-nan @2.7.1_0: update to 2.8.0

[MacPorts]

#48185: octave-nan @2.7.1_0: update to 2.8.0
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 Reporter:  mschamschula@…       |      Owner:  macports-tickets@…
     Type:  update               |     Status:  new
 Priority:  Normal               |  Milestone:
Component:  ports                |    Version:  2.3.3
 Keywords:  haspatch maintainer  |       Port:  octave-nan
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 octave-nan has been updated to version 2.8.0. Since version 2.7.1:

 2015-06-24: Release of NaN v2.8.0
 * check for sparse input matrices and convert to full if needed

 2015-06-01: Release of NaN v2.7.6
 * improve accuracy of normcdf

 2015-04-23: Release of NaN v2.7.5
 * fix compiler issue with __isnan
 * do not display diagnostic messages
 * upgrade to libsvm-3.12
 * fix multi-threaded build (make -j)
 * improve some tests

 2015-03-31: Release of NaN 2.7.2
 * bug fix in nanstd.m
 * cross-compiler issues in histo_mex
 * minor issues (some compiler warnings are addressed)

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Ticket URL: <https://trac.macports.org/ticket/48185>
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