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  Topic: Visualisation library
mecej4

Replies: 11
Views: 163

PostForum: General   Posted: Tue Oct 16, 2018 2:24 am   Subject:
The ISO_FORTRAN_ENV bits in the Plplot sources are not likely to be essential. It is up to someone to decide that it is worth putting in the effort to back-port the sources to Fortran 95, and do so.
...
  Topic: Visualisation library
mecej4

Replies: 11
Views: 163

PostForum: General   Posted: Mon Oct 15, 2018 11:47 am   Subject: Re: PlotPL
I also went ahead and dabbleb with plotPL, only to find out that it currently does not jive very well with Ftn95. I saw an old discussion and downloaded a DLL that makes some routines of an older plot ...
  Topic: False runtime error for allocatable arrays in WHERE block
mecej4

Replies: 1
Views: 62

PostForum: Support   Posted: Sun Oct 14, 2018 2:13 pm   Subject: False runtime error for allocatable arrays in WHERE block
The following code does some simple operations with allocatable array variables and uses them in a WHERE construct. The program is free of errors and the expected output is " F T T". W ...
  Topic: FTN95 incorrectly flags 2-D array as scalar
mecej4

Replies: 1
Views: 42

PostForum: Support   Posted: Sat Oct 13, 2018 1:39 am   Subject: FTN95 incorrectly flags 2-D array as scalar
The subroutine code given below has no syntax errors (as checked by Gfortran). The local variable D5V is declared as a 2-dimensional array, and is assigned a rank-2 array expression in a WHERE stateme ...
  Topic: Array expressions mishandled when /opt is used
mecej4

Replies: 2
Views: 53

PostForum: 64-bit   Posted: Fri Oct 12, 2018 3:41 pm   Subject: ..continued.., last part of source code
Here is the second version of the subroutine. Put the two pieces together into a single source file, compile and run with /64 /opt, then with /64 alone.
Subroutine scrch2 (m, nvar, eq, v)
...
  Topic: Array expressions mishandled when /opt is used
mecej4

Replies: 2
Views: 53

PostForum: 64-bit   Posted: Fri Oct 12, 2018 3:39 pm   Subject: Array expressions mishandled when /opt is used
Here is another instance of an optimization bug. This one occurs when array sections are copied and /opt /64 has been requested. The bug is rather fragile, and minor changes to the code make it disapp ...
  Topic: What is intrinsic function/subroutine RR ?
mecej4

Replies: 10
Views: 146

PostForum: Support   Posted: Thu Oct 11, 2018 1:05 pm   Subject:
Thanks, I did find them later on page 152 of https://www.silverfrost.com/manuals/77userguide.pdf . These may have been provided in FTN77 prior to the "Military" extensions to Fortran 77 that ...
  Topic: What is intrinsic function/subroutine RR ?
mecej4

Replies: 10
Views: 146

PostForum: Support   Posted: Wed Oct 10, 2018 9:06 pm   Subject:
Thanks. I cannot find mention of RR and RL in the FTN77 help file, either.
  Topic: What is intrinsic function/subroutine RR ?
mecej4

Replies: 10
Views: 146

PostForum: Support   Posted: Wed Oct 10, 2018 2:29 pm   Subject: What is intrinsic function/subroutine RR ?
I cannot find an intrinsic procedure (function or subroutine) with the name RR in the FTN95 documentation. Does it exist? If so, what is its purpose? Thanks.

Here is a small test source to show wha ...
  Topic: Failure to detect error in source code
mecej4

Replies: 8
Views: 229

PostForum: Support   Posted: Wed Oct 10, 2018 12:43 pm   Subject:
Sorry, Eddie, until now I had overlooked your example with the subroutines rearranged. In this case, however, what the compiler says is proper, although it may be a bit difficult to understand what (a ...
  Topic: SIMFIT - Fit for Purpose?
mecej4

Replies: 8
Views: 223

PostForum: ClearWin+   Posted: Tue Oct 09, 2018 2:39 am   Subject:
http://www.simfit.org.uk/simdem.html
  Topic: Severe slowdown with /64 /check for a certain program
mecej4

Replies: 15
Views: 307

PostForum: 64-bit   Posted: Mon Oct 08, 2018 10:17 am   Subject: Re:
... you could use the well written and continuously updated program flowchart to understand the code just like we all do ! LOL

Flow diagrams? They are fine for teaching purposes and for explaining ...
  Topic: Severe slowdown with /64 /check for a certain program
mecej4

Replies: 15
Views: 307

PostForum: 64-bit   Posted: Sun Oct 07, 2018 12:40 pm   Subject:
John Campbell said:
... mecej4, am I correct assuming the above code was generated by Vast ?
Yes. Perhaps Vast was hobbled by the fact that the F77 input used the F90 intrinsic SUM as a variable. I ...
  Topic: Severe slowdown with /64 /check for a certain program
mecej4

Replies: 15
Views: 307

PostForum: 64-bit   Posted: Sat Oct 06, 2018 5:09 pm   Subject:
Eddie:

Yes, this F77 code as well as most of the Netlib F77 codes work, provided one goes through a small ritual at first: one has to select the machine constants by modifying the source code, beca ...
  Topic: Severe slowdown with /64 /check for a certain program
mecej4

Replies: 15
Views: 307

PostForum: 64-bit   Posted: Sat Oct 06, 2018 2:26 pm   Subject:
Actually, Vast does a pretty good job most of the time. It is mainly when one of the targets of a computed go to is itself a computed go to that Vast botches it.

Why convert? Two main reasons:
...
 
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