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  Topic: Interesting EXP(X) problem Invalid Floating Point Operation
rrobe71907

Replies: 15
Views: 18327

PostForum: Support   Posted: Fri Nov 14, 2014 9:18 pm   Subject: D/FORTRAN interfacing - COMPLEX variables update
Update on Real/Imaginary swapping when D main program calls FORTRAN subprogram I mentioned in a previous post.

The real and imaginary parts of a complex variable only swap positions when
returned ...
  Topic: Interesting EXP(X) problem Invalid Floating Point Operation
rrobe71907

Replies: 15
Views: 18327

PostForum: Support   Posted: Thu Nov 13, 2014 10:12 pm   Subject:
Everyone:
I will keep you informed of new developments on this issue (I will try to post in this topic) - with my luck I will find it when I stop looking for it.

DanRRight:
Your Circuit Equations ...
  Topic: Interesting EXP(X) problem Invalid Floating Point Operation
rrobe71907

Replies: 15
Views: 18327

PostForum: Support   Posted: Wed Nov 12, 2014 10:11 pm   Subject: To Everyone
Forgot to mention I found an arithmetic error in the ERCT function - forgot a minus sign before T. Still no difference run/crash results - FORTRAN .exe still executes, D .exe still crashes and burns. ...
  Topic: Interesting EXP(X) problem Invalid Floating Point Operation
rrobe71907

Replies: 15
Views: 18327

PostForum: Support   Posted: Wed Nov 12, 2014 9:56 pm   Subject: To DanRRight
Sorry I did not respond to your post yesterday, got cut short for time.

The input range to e**x functions (EXP, TANH) is in -2.13 to 2.36 range.
Just for grins, even replaced TANH with SINH/COSH. ...
  Topic: Interesting EXP(X) problem Invalid Floating Point Operation
rrobe71907

Replies: 15
Views: 18327

PostForum: Support   Posted: Tue Nov 11, 2014 10:41 pm   Subject: to mecej4:
Yes, I am using the Windows-32 DMD Compiler. The key is DMC's implib utility. For example:

implib sttstcs.lib sttstcs.dll

will read sttstcs.dll and create a DMD/OMF compliant sttstcs.lib

I ...
  Topic: Interesting EXP(X) problem Invalid Floating Point Operation
rrobe71907

Replies: 15
Views: 18327

PostForum: Support   Posted: Mon Nov 10, 2014 11:11 pm   Subject: Results of suggested fixes
The results of your suggestions:

added

LoadLibraryA ("C:\\Program Files\\Silverfrost\\FTN95 Express\\salflibc.dll");

(DMD's implementation of LoadLibrary; more info at dlang.org) t ...
  Topic: Interesting EXP(X) problem Invalid Floating Point Operation
rrobe71907

Replies: 15
Views: 18327

PostForum: Support   Posted: Sat Nov 08, 2014 8:19 pm   Subject: Interesting EXP(X) problem Invalid Floating Point Operatio
Gentlemen:

Thanks, I will follow up on both your approaches and let you know the results.
  Topic: Interesting EXP(X) problem Invalid Floating Point Operation
rrobe71907

Replies: 15
Views: 18327

PostForum: Support   Posted: Fri Nov 07, 2014 10:33 pm   Subject: Interesting EXP(X) problem Invalid Floating Point Operation
Have an interesting problem. Over the years, have done a lot of mixed language programming (main program written in one language calling a subroutine written in another; subroutines written in differ ...
  Topic: Is there any subroutine to store all the memory variables
rrobe71907

Replies: 7
Views: 8216

PostForum: General   Posted: Wed Oct 15, 2014 8:22 pm   Subject: Re:
Was there any compiler not necessarily Fortran which have done that? I find it as very very very useful feature. I've heard in 70th about some IBM OS which has done a blind dump of everything in RAM ...
  Topic: New to FTN95 forum; Mixed-Language information
rrobe71907

Replies: 0
Views: 4644

PostForum: General   Posted: Fri Sep 26, 2014 8:32 pm   Subject: New to FTN95 forum; Mixed-Language information
HP3000 old timer here, just signed up for Silverfrost forum. Have been using FORTRAN off and on since late 70's (started using for my engineering college classes, later on professionally, now as an o ...
 
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