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  Topic: Starting with Plato
mecej4

Replies: 20
Views: 656

PostForum: Plato   Posted: Wed May 18, 2022 1:23 pm   Subject:
You have to state the full name of an include file in an INCLUDE directive in your Fortran source code, whether such an included file has no extension, ".inc", ".ins" or other exte ...
  Topic: Starting with Plato
mecej4

Replies: 20
Views: 656

PostForum: Plato   Posted: Tue May 17, 2022 3:08 pm   Subject:
The environment variable F95INCLUDE, if it exists set to a valid path, is searched along with any arguments specified to the compiler with the /INCLUDE option, for include files.

You may be content ...
  Topic: AMD backend failure
mecej4

Replies: 1
Views: 110

PostForum: 64-bit   Posted: Sat May 14, 2022 3:04 pm   Subject: AMD backend failure
The 8.84 compiler fails to compile the following cut-down code with /64. There is no problem with 32-bit compilation, and the problem goes away if the second argument to DCMPLX is "0.0".

...
  Topic: Error in list-directed read
mecej4

Replies: 8
Views: 439

PostForum: Support   Posted: Fri May 06, 2022 2:11 pm   Subject:
Oh my, that's quite a trip down memory lane!

I read that IBM sold some models of their 360 equipped with microcode for emulating ICL computers to customers who were facing delays in deliveries of ...
  Topic: Error in list-directed read
mecej4

Replies: 8
Views: 439

PostForum: Support   Posted: Thu May 05, 2022 12:17 pm   Subject:
Paul,

This can be a low priority issue. I found that FTN77 has the same behavior, so users have not been troubled by the bug for years!

FTN77 gave the warning:

WARNING - The use of list-direc ...
  Topic: Error in list-directed read
mecej4

Replies: 8
Views: 439

PostForum: Support   Posted: Thu May 05, 2022 10:12 am   Subject:
Paul, a "processor", i.e., a compiler, is allowed more freedom of choice in the standard for list-directed output than list-directed input, it seems to me.

Section 10.8.1 of F95 says, in ...
  Topic: Error in list-directed read
mecej4

Replies: 8
Views: 439

PostForum: Support   Posted: Wed May 04, 2022 3:43 pm   Subject: Error in list-directed read
I wrote the following test program to understand some properties of list-directed input. The FTN95 compiler happily processed the program (as did some other compilers), but the output is lacking the ' ...
  Topic: False error reports for correct program
mecej4

Replies: 4
Views: 311

PostForum: Support   Posted: Mon May 02, 2022 11:01 am   Subject:
Indeed, Fortran 95 requires:

If the function result is array valued or a pointer, this shall be specified by specifications of the name of the result variable within the function body

Later vers ...
  Topic: Internal compiler error - floating point exception
mecej4

Replies: 2
Views: 215

PostForum: Support   Posted: Mon May 02, 2022 10:33 am   Subject:
Thanks, what you wrote gives me ideas for workarounds. I had been thinking of replacing the problematic constant expressions by BOZ constants, but what you suggest is more readable.
  Topic: False error reports for correct program
mecej4

Replies: 4
Views: 311

PostForum: Support   Posted: Mon May 02, 2022 9:53 am   Subject:
It is interesting that you class this as a "simple" program.

Sorry, I guessed that because the allocation size of the array is knowable at compile time the compiler's job could be "s ...
  Topic: Internal compiler error - floating point exception
mecej4

Replies: 2
Views: 215

PostForum: Support   Posted: Sun May 01, 2022 1:33 pm   Subject: Internal compiler error - floating point exception
The following program contains only integer variables, but the compiler aborts with "Internal compiler error - floating point exception", possibly because 8-byte integers are processed using ...
  Topic: False error reports for correct program
mecej4

Replies: 4
Views: 311

PostForum: Support   Posted: Sun May 01, 2022 1:19 pm   Subject: False error reports for correct program
The following program is quite simple and it should be possible to compile and run this program with no errors.

program pgm
implicit none
real, dimension(:,:), allocatable & ...
  Topic: linking programs to data and running them
mecej4

Replies: 13
Views: 426

PostForum: Support   Posted: Sun May 01, 2022 1:48 am   Subject:
You wrote: "I wrote Lifetab and the others, and they all used to work, although a very long time ago!"

That may apply to the program that ran on the ICL, but errors may have been introduc ...
  Topic: linking programs to data and running them
mecej4

Replies: 13
Views: 426

PostForum: Support   Posted: Sat Apr 30, 2022 11:59 pm   Subject:
For each file that you wish to give access, in your Google Drive, select the file, right click, Get Link, change Restricted to Anyone with the Link, copy the link, and post the link in your reply.
...
  Topic: linking programs to data and running them
mecej4

Replies: 13
Views: 426

PostForum: Support   Posted: Sat Apr 30, 2022 7:32 pm   Subject:
Here are a couple of slip-ups that I noticed.

You gave the program source file name a .f95 extension, but used .f90 as the extension in the compilation command.

You named the data file as input. ...
 
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