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[ferret_users] ,return=lend and constants



Ferret users,

Has anybody seen this behavior? Is this a bug?  Basically,
"return=lend" tries to allocate a lot of memory in some cases.

yes? set data bug.nc
yes? let refp = 0
yes? let den1 = RHO_UN(salt,temp,0)    !! Good
yes? let den2 = RHO_UN(salt,temp,refp) !! Bad
yes? say `den1,return=lend`
 !-> MESSAGE/CONTINUE 2
2
yes? say `den2,return=lend`
 **ERROR: request exceeds memory setting: 10 Mwords were requested.
[ . . . remaining error messages elided . . .]

The dataset bug.nc contains salt(i,j,k,l) and temp(i,j,k,l)
with l = 1:2.  I'm attaching the results of "show grid" below.

If you are interested and you cannot reproduce this error,
I'll send the dataset to you.

I'm currently using
FERRET v6.81 Linux 2.6.32-279.1.1.el6.x86_64 32-bit - 07/23/12

The same script didn't cause this error some versions ago.

Regards,
Ryo
--------------------------------
yes? show grid den1
    GRID GCF1
 name       axis              # pts   start                end
 LONGITUDE_T LONGITUDE        564mr   104.17E(104.17)      68.167W(291.83)
 LATITUDE_T LATITUDE          168 r   25.833S              29.833N
 DEPTH_T   DEPTH (m)           51 i-  2.5                  5745
 TIME1     TIME                 2 r   21-JAN-2031 00:00    01-FEB-2031 00:00
 normal    E
 normal    F
yes? show grid den2
    GRID (G002)
 name       axis              # pts   start                end
 LONGITUDE_T LONGITUDE        564mr   104.17E(104.17)      68.167W(291.83)
 LATITUDE_T LATITUDE          168 r   25.833S              29.833N
 DEPTH_T   DEPTH (m)           51 i-  2.5                  5745
 TIME1     TIME                 2 r   21-JAN-2031 00:00    01-FEB-2031 00:00
 ABSTRACT  E              9999999 r   1                    9999999
 ABSTRACT  F              9999999 r   1                    9999999


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