FORTAN

Great Reads

Intermediate Data Clustering with k-means

by Andy Allinger

Add features to k-means for missing data, mixed data, and choosing the number of clusters

Introduction to FORTRAN Interoperability with .NET

by Christ Akkermans

An introduction to the strange world of mixed language programming with FORTRAN and C# .NET code

Point Inside 3D Convex Polygon in Fortran

by John Jiyang Hou

An algorithm to determine if a point is inside a 3D convex polygon for a given polygon vertices in Fortran

FORTRAN Interoperability with .NET: Part II - ISO C Binding module

by Christ Akkermans

Part II of the FORTRAN Interoperability with .NET series where we introduce the ISO C Binding which greatly simplifies interoperability.

Latest Articles

Intermediate Data Clustering with k-means

by Andy Allinger

Add features to k-means for missing data, mixed data, and choosing the number of clusters

POLYANA - A tool for the analysis of MD trajectories

by Vasilis Raptis

For those involved in molecular simulation research projects: calculation of molecular radial distribution functions based on DL_POLY Molecular Dynamics trajectories.

Quadruple precision floating-point calculations in C/C++/FORTRAN

by Shmuel Safonov

Creation a numeric library that calculates with quadruple floating-point precision and used from MSVC C/C++ code

Beginning data clustering

by Andy Allinger

Introduces data clustering and the k-means++ algorithm

All Articles

top

FORTAN

Intermediate Data Clustering with k-means

7 Jun 2023 by Andy Allinger

Add features to k-means for missing data, mixed data, and choosing the number of clusters

FORTAN

Dev

statistics

machine-learning

text

Introduction to FORTRAN Interoperability with .NET

16 May 2016 by Christ Akkermans

An introduction to the strange world of mixed language programming with FORTRAN and C# .NET code

Point Inside 3D Convex Polygon in Fortran

10 Feb 2016 by John Jiyang Hou

An algorithm to determine if a point is inside a 3D convex polygon for a given polygon vertices in Fortran

FORTAN

GFortran

FORTRAN Interoperability with .NET: Part II - ISO C Binding module

30 Apr 2016 by Christ Akkermans

Part II of the FORTRAN Interoperability with .NET series where we introduce the ISO C Binding which greatly simplifies interoperability.

Quadruple precision floating-point calculations in C/C++/FORTRAN

18 Sep 2017 by Shmuel Safonov

Creation a numeric library that calculates with quadruple floating-point precision and used from MSVC C/C++ code

Cannot understand the code

23 Mar 2018 by Jochen Arndt

Your asterisk are on column 6 which is the line continuation (continuation mark) position. See also Continuation Line - Using and Porting GNU Fortran[^]. They tell the compiler that the statement of the previous line is continued. The character itself is ignored.

FORTAN

Looking for help converting Fortran to C#

2 Jul 2018 by OriginalGriff

Don't translate them: they are very different languages and you will not end up with good quality code in C#. What you are trying to do is translate Shakespeare's plays to Korean using Google translate to look up each word: To be or not to be, that is the question 에 있다 또는 아니 에 있다 그 ~이다. 그만큼 문제...

C#7.0

FORTAN

How do I create a simple cubic in Fortran?

26 Feb 2015 by Stefan_Lang

Since the code looks incomplete, even when considering I haven't worked with Fortran the last 25 years, I've checked this site: http://en.wikibooks.org/wiki/Fortran/Fortran_examples[^]I've noticed two things:1. Apparently there are considerable differences between the different versions of...

FORTAN

Cannot understand the code

23 Mar 2018 by CHill60

** is the exponentiation operator - i.e. A ** b raises A to the power of b Fortran Operators[^] If that is genuine whitespace between the * * then remove the whitespace - the operator is **

FORTAN

POLYANA - A tool for the analysis of MD trajectories

13 Nov 2019 by Vasilis Raptis

For those involved in molecular simulation research projects: calculation of molecular radial distribution functions based on DL_POLY Molecular Dynamics trajectories.

1>tbflow.obj : error LNK2019: unresolved external symbol

22 Jul 2021 by Richard MacCutchan

Look at the error message: 1>LINK : warning LNK4012: invalid value 'D_LIB.LIB/DEFAULTLIB:G_LIB.LIB/DEFAULTLIB:K_LIB.LIB/DEFAULTLIB:P_LIB.LIB/DEFAULTLIB:X_LIB.LIB', must be 'ARM, EBC, IA64, MIPS, MIPS16, MIPSFPU, MIPSFPU16, SH4, THUMB, X64, or...

FORTAN

C++Builder

How do I read variables from a file in Fortran

3 Jan 2022 by CHill60

As @Patrice-T has suggested - read the documentation READ (FORTRAN 77 Language Reference)[^] Or one of the on-line tutorials - Fortran 77 Tutorial[^] And here is an example of using a loop to read the file Read Entire line regardless of...

FORTAN

Windows

How do I read variables from a file in Fortran

3 Jan 2022 by Richard MacCutchan

You were given an answer four days ago in your original question at How do I read variables from a txt file in Fortran[^]. Please do not repost.

FORTAN

Windows

Visual studio quick change settings?

2 Mar 2016 by Kyudos

I have a cross-language (C++ FORTRAN) cyclic dependency that would be too much of a pain to eradicate, so I live with it. It only requires an occasional /FORCE with no linker dependencies on my C++ library. I have been doing this manually as required, but the new version of our product has...

FORTAN

C++

Visual-Studio

Visual studio quick change settings?

2 Mar 2016 by KarstenK

The best way of dealing with that will Building on the Command Line. It is a big chunk to learn, but if you have really 8 configurations it will a "mighty tool" and pay of when you get your batches running.Good luck. ;-)

FORTAN

C++

Visual-Studio

Fortran77 do loop conversion into MATLAB code?

27 Apr 2016 by Member 12481216

G(1)=1.0;NH=NS/2;for i=2:NS G(i)=G(i-1)*i;endHS(1)=2.0/G(NH-1); for i = 2:NH FI=i; if i== NH HS(i)=FI^(NH)*G(2*i)/(G(i)*G(i-1)); else HS(i)=FI^(NH)*G(2*i)/(G(NH-i)*G(i)*G(i-1)); end end ...

FORTAN

MatLab

Cannot understand the code

23 Mar 2018 by Nikolay Yasinskiy

In this part of code my compiler gives Error: Invalid character in name. I cannot understand the sense of this operator * *, is it cycle of multiplication? do i_lamda = 1, n_lamda_num ! Find and remember characteristic determinant members ! В этой записи...

FORTAN

Project mohr circle calculator.

9 Apr 2018 by Rick York

This is your homework so YOU need to do the work. Don't expect anyone to provide anything for you. We'll be happy to answer questions but YOU need to do the work.

FORTAN

Fortran module and subroutine

3 Feb 2021 by yara hariri

hi all! i am new to fortran and I'm using a module that contains a subroutine, that I need to call in another main file, however I am getting some errors and the subroutine is not printing what I want her to print. Here is my module: module...

FORTAN

modules

1>tbflow.obj : error LNK2019: unresolved external symbol

22 Jul 2021 by velans

I'm facing below error please help me. 1>------ Build started: Project: PWR101U3, Configuration: Release Win32 ------ 1>Linking... 1>LINK : warning LNK4012: invalid value...

FORTAN

C++Builder

1>tbflow.obj : error LNK2019: unresolved external symbol

22 Jul 2021 by KarstenK

As Richard wrote you probably missed some libs. The best hint is to think about the stripped missing symbols like LFLOW. I guess some special library in your project is not included in the linker or properly configured or installed.

FORTAN

C++Builder

Calling a VS2019 C++ function from Intel Fortran

18 Nov 2021 by Carlo Timossi 2021

I've tried to build a project inside VS2019 IDE, where I call from a routine C++ a routine Intel Fortran passing some structures and inside the routine Intel Fortran I call a routine C++, but I've some problems in linking because the link does...

FORTAN

C++

Calling a VS2019 C++ function from Intel Fortran

18 Nov 2021 by Richard MacCutchan

See Creating and Using a Dynamic Link Library (C+) | Microsoft Docs[^] for the correct way to build a DLL.

FORTAN

C++

Beginning data clustering

14 Jun 2017 by Andy Allinger

Introduces data clustering and the k-means++ algorithm

FORTRAN Interoperability with .NET: Exchanging Complex Data

13 May 2016 by Christ Akkermans

This article in the FORTRAN Interoperability with .NET series explains how to exchange complex data between C# and FORTRAN.

Fortran for Microsoft.NET

26 Dec 2001 by Narayana Rao Surapaneni

This article gives you an introduction about how Fortran can be used to write wide variety of applications under .NET framework

Dependency Analysis with Doxygen

12 Nov 2016 by Zebedee Mason

Perform dependency analysis by using Doxygen to parse source code and produce a report

A fatal error in a P/Invoke .dll call crashes my C# application, can I avoid this?

5 Nov 2015 by Stylianos Polychroniadis

I am using P/Invoke calls to Fortran dynamic link libraries (DLLs, compiled with Intel Fortran compiler). As these Fortran libraries are currently being under development, I quite often get Fortran run-time errors which display a message box containing the error information. The problem is...

A fatal error in a P/Invoke .dll call crashes my C# application, can I avoid this?

4 Nov 2015 by DanielBrownAU

One way which comes to mind (and it may not be best practice tho)... may be to wrap the P/Invoke calls in a try/catch/finally block to handle with any exceptions generated by the calls.Furthermore, any access/calls to the libraries could be placed into its own central class and error...

How do I create a simple cubic in Fortran?

27 Feb 2015 by azam1354

hello friends;I need help for creating a simple cubic in FORTRAN.I have writing this program,but it doesn't work correctly.please help me...natom=27x(natom),y(natom),z(natom)x(1)=0y(1)=0z(1)=0n=1do i=1,3 do j=1,3 do k=1,3 rx(n)=x(1)+(i-1)a ...

FORTAN

Looking for help converting Fortran to C#

3 Jul 2018 by User 7923865

I have been tasked with converting several Fortran files over to C#. I really do not have a choice and in this situation cannot use a Dot net driver to read Fortran. I am an amateur when it comes to C# and used Fortran in 1983 as my one and only time. I have a couple of clauses which I can't...

C#7.0

FORTAN

Fortran77 do loop conversion into MATLAB code?

27 Apr 2016 by Member 12481216

I am working on a project to convert a large Fortran77 code into MATLAB. Since Do loops in F77 are equivalent to For loops in MATLAB, a subroutine of F77 when translated into MATLAB is giving error. The F77 subroutine is given in link[^]and my tried MATLAB translated version is given in...

FORTAN

MatLab

Looking for help converting Fortran to C#

3 Jul 2018 by User 7923865

it is apparent that there was no point in asking this question here.

C#7.0

FORTAN

How do I read variables from a txt file in Fortran

30 Dec 2021 by Member 14991075

Hello, I have a problem with a code. I would like to read some files and set them to a variable in Fortran programming language. Ihave a file called "number.txt" which has 2 lines and one column. I would like to set the numbers of first line to a...

FORTAN

Windows

How do I read variables from a file in Fortran

4 Jan 2022 by Member 14991075

I would like to read variables from a file in Fortran. For example I have one .txt file with multiple columns. I would like to set i.e. x (for the first column) y (for the secοnd column) z (for the third column) etc. The porpuse of this set is...

FORTAN

Windows