Bug in loading of GSS files

[eXeC64]

This issue was originally TRAC 10781

When loaded, the attached files have different numbers of bins for each spectrum. Attempting to run these through a binary operation algorithm results in memory corruption, and usually a crash.

pol64 = Load("pol64374.gss")
pol59 = Load("pol59543.gss")

for i in range(0,4):
    print "pol59[%d] contains %d bins" % (i, len(pol59.readY(i)))
    print "pol64[%d] contains %d bins" % (i, len(pol64.readY(i)))

Yields

pol59[0] contains 1021 bins
pol64[0] contains 1021 bins
pol59[1] contains 4646 bins
pol64[1] contains 4646 bins
pol59[2] contains 4570 bins
pol64[2] contains 4564 bins
pol59[3] contains 4439 bins
pol64[3] contains 4428 bins

These should all have the same number of bins per spectrum.

[eXeC64]

@raquelalvarezbanos (2015-01-06T11:35:46):
Having a look at the files attached, I see that they actually have different number of bins (different number of rows per bank), and this number of bins matches what is printed in the ticket description. The binning (x values) is also different in each spectrum. It seems to me that data is loaded correctly. Can you have a look and let me know if I am misunderstanding the issue.

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@NickDraper (2015-04-27T08:10:35):
Moved to R3.5 at the R3.4 code freeze

[eXeC64]

http://trac.mantidproject.org/mantid/raw-attachment/ticket/10781/pol59543.gss
(uploaded by @eXeC64 on 2014-12-12T11:42:13)

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http://trac.mantidproject.org/mantid/raw-attachment/ticket/10781/pol64374.gss
(uploaded by @eXeC64 on 2014-12-12T11:42:22)

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[raquelalvarezbanos]

Not sure if this is an issue.

[NickDraper]

Agreed