GSL-OCaml - GSL-Bindings for OCaml

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GSL-OCaml is an interface to the GSL(GNU scientific library) for the OCaml-language.The currently latest GSL-version known to be compatible is 2.0.

Requirements

Building GSL on Windows Using Native Tools. Several packages are available for building GSL on Windows using Microsoft Visual Studio with the native Microsoft and Intel compilers. Using Visual Studio Build Files. These files are designed for building the repository version of GSL using Visual Studio 2015. No additional build tools are required. Jan 26, 2020  By default GSL will use a GSL built version of BLAS which is a library for basic vector and matrix operations. If you have access to a a highly tuned BLAS version, like the one provided with MKL, I.

Jun 22, 2019  MacOS developed and distributed by Apple is surely one of the most reliable Operating System out there. It is used mostly by professionals who intend to use their computers for business purposes. However, quite recently a lot of reports have been coming in of a “Dyld: Library Not Loaded” Error on MacOS. Aug 28, 2013  I've been struggling to find a proper way to set up DYLDLIBRARYPATH variable on Mountain Lion. I have to use Perl Modules for work purposes but eveytime I try to install some CPAN Module (DBD::Oracle to be exact),perl complains that it can't find the DYLDLIBRARYPATH and can't continiue with the installation. Mac dyld library not loaded.

The platform must not align doubles on double-word addresses, i.e. the C-macroARCH_ALIGN_DOUBLE must be undefined in the OCaml C-configuration header in<caml/config.h>.

Configuring alternative BLAS-libraries

The underlying GSL-library depends on a C-implementation of the BLAS-library(Basic Linear Algebra Subroutines). It comes with its own implementation,gslcblas, which GSL will link with by default.

Gsl Windows

This implementation is usually considerably slower than alternatives likeOpenBLAS or ATLAS (Automatically Tuned LinearAlgebra Software) or miscellaneousplatform-specific vendor implementations.

If you want GSL-OCaml to link with another BLAS-implementation by default, youwill need to set an environment variable before starting the build process (e.g.before opam install):

Note that on Mac OS X GSL-OCaml requires the Apple-specific, highly optimizedvendor library vecLib, which is part of the Accelerate-framework, and willautomatically link with it. If you do not wish to use Accelerate you canoverride it; for a Homebrew-installed OpenBlas in the usual place you thenneed to

Documentation

Read the GSL manual to learnmore about the GNU Scientific Library, and also theGSL-OCaml API.

Usage Hints

Vectors and Matrices

There are several data types for handling vectors and matrices.

• Modules Gsl.Vector, Gsl.Vector.Single, Gsl.Vector_complex,Gsl.Vector_complex.Single, and the corresponding matrix modules usebigarrays with single or double precision and real or complex values.

• Modules Gsl.Vector_flat, Gsl.Vector_complex_flat, and the correspondingmatrix modules use a record wrapping a regular OCaml float array. This isthe equivalent of the gsl_vector and gsl_matrix structs in GSL.

• Module Gsl.Vectmat defines a sum type with polymorphic variantsthat regroups these two representations. For instance:

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  adds a vector in an OCaml array to a bigarray.

• Modules Gsl.Blas Gsl.Blas_flat and Gsl.Blas_gen provide a (quiteincomplete) interface to CBLAS for these types.

ERROR HANDLING

Errors in GSL functions are reported as exceptions:

You have to call Gsl.Error.init () to initialize error reporting. Otherwise,the default GSL error handler is used and aborts the program, leaving a coredump (not so helpful with OCaml).

If a callback (for minimizers, solvers, etc.) raises an exception, GSL-OCamleither returns GSL_FAILURE or NaN to GSL depending on the type of callback.In either case the original OCaml exception is not propagated. The GSL functionwill either return normally (but probably with values containing NaNssomewhere) or raise a Gsl_exn exception.

Contact Information and Contributing

Please submit bugs reports, feature requests, contributions and similar tothe GitHub issue tracker.

Gsl Math Library

Up-to-date information is available at: https://mmottl.github.io/gsl-ocaml

About the App

• App name: gsl
• App description: Numerical library for C and C++
• App website: Not Available

Install the App

Gsl Library For Mac Download

1. Press Command+Space and type Terminal and press enter/return key.
2. Run in Terminal app:
   ruby -e '$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)' < /dev/null 2> /dev/null
   and press enter/return key.
   If the screen prompts you to enter a password, please enter your Mac's user password to continue. When you type the password, it won't be displayed on screen, but the system would accept it. So just type your password and press ENTER/RETURN key. Then wait for the command to finish.
3. Run:
   brew install gsl

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Done! You can now use gsl.

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