topic Re: About sorting in Fortran 95 in Operating System - HP-UX

About sorting in Fortran 95

Roxana_4 — Wed, 26 Jan 2005 03:23:57 GMT

My names Roxana and I am from Romania.
For the internal sort operations in Fortran 77 under MPE/iX 7.0 I use the following intrinsics: SORTINIT, SORTINPUT, SORTOUTPUT, SORTEND.
I want to know if any intrinsics for sorting exists on Fortran 95 (v.2.8.4) under HP-UX 11i v2.
Please tel me know where I could find documentations about intrinsics in Fortran95 under HP-UX 11iv2.
Thank you and best regards.

Re: About sorting in Fortran 95

Ralph Grothe — Wed, 26 Jan 2005 04:57:00 GMT

Hi Roxana,

it is way too long ago since I last coded in Fortran, and then this was before the advent of Fortran95 only Fortran77.

Then I'm neither familiar with MPE/iX nor HP-UX 11.23

Why did you call the intrinsic routines instead of the generic interface routines?
Or is it that you are interested in implementation details?

I would suggest you look at the docs for your compiler.
You might find them here

http://docs.hp.com/en/dev.html#Fortran

As for sorting algorithms (in case you wish to implement one yourself) you could cast a glance at chapter 8

http://www.nr.com/

http://lib-www.lanl.gov/numerical/bookfpdf.html

http://www.library.cornell.edu/nr/bookf90pdf.html

Re: About sorting in Fortran 95

Bill Hassell — Wed, 26 Jan 2005 09:03:36 GMT

MPE is very different from Unix in that it was designed as a database operating system and thus you have a multitude of library calls (intrinsics in MPE terms). HP-UX does not have database tools and the closest thing to a sort operation is the sort command. It is definitely fast but not nearly as versatile the MPR intrinsics. Look at the sort man page for details. sort works best on ASCII files and does have some fairly nice features, but you'll have to pass the file to sort (or write the file to stdin of the sort command) and have sort create a new file as output or capture the output from stdout.

All the libraries in HP-UX are documented in the section 2 and 3 man pages. In Unix, man pages are divided up into 'bricks' (because the printed sections look like bricks). The sections are numbered 1-9 with a couple of suffix sections. Here are a few more common sections:

1 = user commands (programs)
1m = root (superuser) commands
2 = system calls (opsystem intrinsics)
3 = library (general library functions, see man 3 intro)
4 = file formats
5 = Misc topics
7 = devicefile (driver special) details

See more details with the command: man introduction

Also see the online manuals at http://docs.hp.com and ttp://docs.hp.com/en/B2355-60103/index.html

Re: About sorting in Fortran 95

Roxana_4 — Thu, 27 Jan 2005 03:49:04 GMT

Hi Bill,
Thank you very much for your help.
Roxana

Re: About sorting in Fortran 95

Roxana_4 — Thu, 27 Jan 2005 03:53:49 GMT

Hi Ralph
I am interested to make in fortran 95 a call towards a sorting intrinsic from HP-UX, which is similar with sort intrinsics from MPE/iX. So i don't wanna do sorting algorithms. In fortran documentation i found the QSORT intrinsic wich is not similar with sorting intrinsics from mpe/ix.
In man pages i found SORT - sort or merge files.

Thanks.

Re: About sorting in Fortran 95

Roxana_4 — Thu, 17 Feb 2005 07:03:16 GMT

Resolved