gmx hbond -ac segv - Redmine #2109

The cross correlation code passes an array of pointers to cross_corr which in turn calls gmx_fft_1D. This causes a segv.

(from redmine: issue id 2109, created on 2017-01-31 by berkhess, closed on 2017-02-06)

• Changesets:
  • Revision 13e0e871 by Berk Hess on 2017-02-02T13:33:59Z:

Fix array of complex in cross_corr

An array of complex number was created as an array of pointers and
then passed to gmx_fft_1d. This does not work.

Fixes #2109.

Change-Id: If28cf6d3b586615ee4857a89d937f7083287d209

• Revision 93b786d2 by Berk Hess on 2017-02-02T20:54:00Z:

Really fix array of complex in cross_corr

A recent fix in cross_corr did not fix  a double precision FFT call
in single precision.

Fixes #2109.

Change-Id: Iefe11508b9e8c5dd255851063ab1e7bd95abe196