This is the Fortran Input Parser of the nextnano³ software.
(c) 2022, nextnano GmbH, Germany, www.nextnano.com (BSD license)
The Fortran Input Parser is compatible to the nextnanomat graphical user interface.
For details, please refer to: https://github.com/nextnano/FortranInputParser
Further explanation on the features (Syntax definition, Macro, Function Parser) are available here: https://www.nextnano.com/documentation/tools/nextnano3/input_syntax/macro.html
For questions, please contact stefan.birner@nextnano.com.
A typical application is the reading in of input parameters (input file) and material parameters (database) from two text files for e.g. a scientific code.
!---------------------
! Variable definitions
!---------------------
%x_min = 0.0 ! (DisplayUnit:nm)(DoNotShowInUserInterface)
%x_max = 50.0 ! (DisplayUnit:nm)(HighlightInUserInterface)
%length = 20.0 ! (DisplayUnit:nm)(ListOfValues:20.0,30.0,40.0)
%width = 20.0 ! (DisplayUnit:nm)(RangeOfValues:From=20.0,To=30.0,Steps=2.0)
%FILENAME = doping_concentration.dat !
%MagneticField = .TRUE. ! conditional comment: either .TRUE. or .FALSE. or 1 or 0
!-----------------------------------------------------------------------------!
$simulation-dimension ! keyword
dimension = 2 ! specifier with integer
orientation = 1 1 0 ! specifier with integer array
$end_simulation-dimension ! end of keyword
!-----------------------------------------------------------------------------!
!-----------------------------------------------------------------------------!
$global-parameters !
debug-level = 2 ! integer
temperature = 300.0 ! double
$end_global-parameters !
!-----------------------------------------------------------------------------!
!-----------------------------------------------------------------------------!
$material !
material-number = 1 ! separation specifier (allows loop)
material-name = GaAs ! character
material-number = 2 ! separation specifier (2nd loop)
material-name = Al(x)Ga(1-x)As !
alloy-content-x = 0.30 !
material-number = 3 material-name = AlAs ! several items in one line
material-number = 4 material-name = GaAs !
material-number = 4 material-name =
GaAs ! line break is allowed
!-----------------------------------------------------------------------------!
!-----------------------------------------------------------------------------!
$regions !
region-number = 1 ! separation specifier
x-coordinates = -100.0 0.0 ! double array
!
region-number = 2 !
x-coordinates = %x_min %x_max ! double array
!
region-number = 3 !
x-coordinates = 30.0 ! double array with line break
40.0 !
$end_regions !
!-----------------------------------------------------------------------------!
!-----------------------------------------------------------------------------!
! A CHOICE limits the allowed values that can be entered. !
!-----------------------------------------------------------------------------!
$electric-field !
electric-field = on ! CHOICE[on,off]
direction = x ! CHOICE[x,y,z]
strength = 1.0e-1 !
$end_electric-field !
!-----------------------------------------------------------------------------!
!-----------------------------------------------------------------------------!
! Conditional comments are uncommented if %MagneticField = .TRUE. !
!-----------------------------------------------------------------------------!
!IF %MagneticField $magnetic-field !
!IF %MagneticField magnetic-field = on ! CHOICE[on,off]
!IF %MagneticField direction = x ! CHOICE[x,y,z]
!IF %MagneticField strength = 1.0e-1 !
!IF %MagneticField $end_magnetic-field !
!-----------------------------------------------------------------------------!
!-----------------------------------------------------------------------------!
! This is the output for the material parameters, e.g. doping concentration. !
!-----------------------------------------------------------------------------!
$output-material-parameters !
!directory = ./ !
directory = material_parameters/ !
doping-concentration = %FILENAME !
$end_material-parameters !
!-----------------------------------------------------------------------------!
- See
inputfile.inin this folder. - See
database.inin this folder.
- See
Documentation.mdin this folder.
These source files produce a simple test example for the Fortran Input Parser.
-
Compatibility: The Fortran Input Parser works on Windows, Linux and macOS.
-
Use
make(i.e. read inMakefile) to compile the*.f90files. Alternatively, a solution file for Microsoft Visual Studio Community for the Intel Fortran Compiler is included. -
The
keywords_inputfile.valfile contains the name of the input file to be read in (here:inputfile.in). -
The
keywords_inputfile.valfile contains the syntax definiton of arbitrary input files. -
Once compiled, type
.\FortranInputParser.exe(Windows) or./FortranInputParser.exe(Linux/macOS) to execute the program, which reads in input file definition (keywords_inputfile.val) and input file (inputfile.in). -
The following screen output will be produced:
+++++++++++++++++++++++++++++++++++++++++++++
------------------------------------------------------------------------------
Reading in input file: 'inputfile.in'
------------------------------------------------------------------------------
Reading in database_nn3: 'database.in'
===============================================================================
Content of database:
-------------------------------------------------------------------------------
The electron charge is -1.602176620800000E-019 [As].
Planck's constant is 6.626070040000000E-034 [Js].
===============================================================================
===============================================================================
Content of inputfile:
-------------------------------------------------------------------------------
------------------------------------------------------------------------------
Material info.
------------------------------------------------------------------------------
material-number = 1
cluster-numbers = 1 3 5
6
...