Wavelet Computations.

WAVELET is a FORTRAN90 library which contains some utilities for computations involving wavelets.


The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.


WAVELET is available in a C version and a C++ version and a FORTRAN90 version and a MATLAB version.

Related Data and Programs:

FFTPACK5, a FORTRAN90 library which implements the Fast Fourier Transform by Swarztrauber and Valent;

HAAR, a FORTRAN90 library which computes the Haar transform of data.

SFTPACK, a FORTRAN90 library which implements the slow Fourier transform, intended as a teaching tool and comparison with the fast Fourier transform.

SINE_TRANSFORM, a FORTRAN90 library which demonstrates some simple properties of the discrete sine transform.

WALSH, a FORTRAN90 library which implements versions of the Walsh and Haar transforms.


  1. Gilbert Strang, Truong Nguyen,
    Wavelets and Filter Banks,
    Wellesley-Cambridge Press, 1997,
    ISBN: 0-9614088-7-1,
    LC: TK7872.F5S79 / QA403.3.S87

Source Code:

Examples and Tests:

List of Routines:

You can go up one level to the FORTRAN90 source codes.

Last revised on 13 August 2011.