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  Topic: What is the rationale for that ?
DanRRight

Replies: 15
Views: 701

PostForum: General   Posted: Fri Jun 24, 2022 9:51 pm   Subject:
Simon,
Wow, i did not know about preprocessor is already there. Never used or seen people used it in this forum at least.

As to these new Fortran features there clearly are world champions of obsc ...
  Topic: What is the rationale for that ?
DanRRight

Replies: 15
Views: 701

PostForum: General   Posted: Fri Jun 24, 2022 7:49 am   Subject:
Agree, John. Already use them close to that in my own codes
  Topic: Limitation of number of plots in %PL
DanRRight

Replies: 30
Views: 15937

PostForum: ClearWin+   Posted: Thu Jun 23, 2022 11:48 pm   Subject:
Davey,
Do you mean exponent like here : cm-3 ? It can be done by shifting it (you also can scale the font a bit lower in size like this
call SELECT_FONT@('Tahoma') ! Courier New, Termin ...
  Topic: What is the rationale for that ?
DanRRight

Replies: 15
Views: 701

PostForum: General   Posted: Thu Jun 23, 2022 10:06 pm   Subject:
Simon,
I'd not worry about Cray precision in this case because this was a PIC code. It has inherent problem which is its kind of 'genetic defect' like a quantum noise or similarly sensor noise of dig ...
  Topic: INTEGER(8) :: sdf_bytes(1)
DanRRight

Replies: 5
Views: 197

PostForum: Support   Posted: Tue Jun 21, 2022 8:47 am   Subject:
Yes, thanks, but why not to take alt_kinds KINDS as a default for FTN95 if all other compilers use it which typically means de-facto default ? I never used this confusing to me FTN95 KIND scheme besi ...
  Topic: INTEGER(8) :: sdf_bytes(1)
DanRRight

Replies: 5
Views: 197

PostForum: Support   Posted: Tue Jun 21, 2022 7:11 am   Subject:
Thanks.
Should 8 be also added? Based on Make file of Epoch code 5 other Fortran compilers swallow this no problem
  Topic: What is the rationale for that ?
DanRRight

Replies: 15
Views: 701

PostForum: General   Posted: Tue Jun 21, 2022 12:21 am   Subject: Re:

I don't write mathematical models so.... do people actually use this kind stuff? I get that you might want a data type to have a certain precision but that is usually pretty fixed on the system you ...
  Topic: INTEGER(8) :: sdf_bytes(1)
DanRRight

Replies: 5
Views: 197

PostForum: Support   Posted: Tue Jun 21, 2022 12:05 am   Subject: INTEGER(8) :: sdf_bytes(1)
Why compiler gives error 62 here Invalid KIND Specifier ?
  Topic: Fortran fashion designers
DanRRight

Replies: 7
Views: 364

PostForum: General   Posted: Mon Jun 20, 2022 7:57 am   Subject:
Eddie,
When heavy work with the code development takes place i recompile hell amount of times per day. And when waiting for finish always one thing comes to mind: just lose 3 seconds per day and you ...
  Topic: What is the rationale for that ?
DanRRight

Replies: 15
Views: 701

PostForum: General   Posted: Fri Jun 17, 2022 12:10 pm   Subject:
In the area i work there is still a lot of programming scientific development. That activity got stimulated by the progress in ultrapowerful lasers with ultrashort pulse durations like femtoseconds an ...
  Topic: Fortran fashion designers
DanRRight

Replies: 7
Views: 364

PostForum: General   Posted: Thu Jun 16, 2022 9:52 am   Subject:
Compiling this code with latest Intel Fortran takes 6-7 minutes on supercomputer. FTN95 on PC would do that in 6-7 seconds.
  Topic: What is the rationale for that ?
DanRRight

Replies: 15
Views: 701

PostForum: General   Posted: Thu Jun 16, 2022 2:53 am   Subject:
This code uses all modern tricks besides that. Instead of being simpler due to that we get usually much larger size and complexity. It's ok when you will be the only author who support the code, but i ...
  Topic: Fortran fashion designers
DanRRight

Replies: 7
Views: 364

PostForum: General   Posted: Wed Jun 15, 2022 11:55 pm   Subject:
Mecej4,
How step by step it is doing that? How it know to move to the next particle? How it knows how many particles are in the list to stop DO loop? Here is absent above object with all the rest def ...
  Topic: Fortran fashion designers
DanRRight

Replies: 7
Views: 364

PostForum: General   Posted: Wed Jun 15, 2022 10:29 pm   Subject: Fortran fashion designers
Remember i always told here that Fortran with time becomes only younger and will never go into oblivion? How cool way to say in Fortran DO-ENDDO for example ?

Old way:
a=0.
DO i=1,N
a=a+1.
EN ...
  Topic: What is the rationale for that ?
DanRRight

Replies: 15
Views: 701

PostForum: General   Posted: Wed Jun 15, 2022 2:15 am   Subject: What is the rationale for that ?
I see the code where ALL not-integer constants are defined like this


INTEGER, PARAMETER :: num = KIND(1.d0)
REAL(num), PARAMETER :: c_tiny = TINY(1.0_ ...
 
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