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# libdspl-2.0 free digital signal processing algorithm library
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[![Build Status ](https://travis-ci.org/Dsplib/libdspl-2.0.svg?branch=master )](https://travis-ci.org/Dsplib/libdspl-2.0)
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![GitHub ](https://img.shields.io/github/license/Dsplib/libdspl-2.0 )
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libdspl-2.0 — opensource cross-platform digital signal processing algorithm library, written in C language.
Distributed under LGPL v3 license. This allows to use this library in all applications with dynamic linking.
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libdspl-2.0 includes follow algorithms sets:
* Digital spectral analysis, discrete and fast Fourier transform algorithms.
* Analog and digital IIR filters design and analysis.
* Digital FIR filters design and analysis.
* Windows function collection includes 15 different parametric and nonparametric window functions.
* Digital Hilbert transform algorithms.
* Mathematical sections includes trigonometric, hyperbolic, elliptic functions of real and complex variables.
* Pseudorandom numbers generation algorithms.
* Statistic functions.
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* Linear algebra [BLAS ](http://www.netlib.org/blas/ ) and [LAPACK ](http://www.netlib.org/lapack/ ) packages are used under the hood.
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* Digital resampling algorithms.
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### Build and run libdspl-2.0
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To build the DSPL-2.0 library on Windows, a special set of programs _dsplib_ _toolchain_ is provided. Dsplib toolchain includes GCC, Gnuplot, CodeBlocks IDE, file manager Far and also Unix utilities for Windows OS.
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### Documentation content
* Mathematical sections:
* [Basic math functions of the real and complex arguments. ](http://en.dsplib.org/dspl/group___s_p_e_c___m_a_t_h___c_o_m_m_o_n___g_r_o_u_p.html )
* [Trigonometric and hyperbolic of functions the real and complex arguments. ](http://en.dsplib.org/dspl/group___s_p_e_c___m_a_t_h___t_r_i_g___g_r_o_u_p.html )
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* [Transcendent math functions. ](http://en.dsplib.org/dspl/group___s_p_e_c___m_a_t_h___t_r_a_n_s_c_e_n_d.html )
* [Elliptic Jacoby functions of the real and complex arguments. ](http://en.dsplib.org/dspl/group___s_p_e_c___m_a_t_h___e_l_l_i_p___g_r_o_u_p.html )
* [Pseudo-random numbers generation. ](http://en.dsplib.org/dspl/group___s_p_e_c___m_a_t_h___r_a_n_d___g_e_n___g_r_o_u_p.html )
* [Math statistic functions. ](http://en.dsplib.org/dspl/group___s_p_e_c___m_a_t_h___s_t_a_t___g_r_o_u_p.html )
* [Linear algebra and matrix operations. ](http://en.dsplib.org/dspl/group___s_p_e_c___m_a_t_h___l_i_n_a_l_g___g_r_o_u_p.html )
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* Digital spectral analysis:
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* [Discrete Fourier transform and fast Fourier transform algorithms. ](http://en.dsplib.org/dspl/group___d_f_t___g_r_o_u_p.html )
* [Windows function for filter design and spectrum analysis. ](http://en.dsplib.org/dspl/group___w_i_n___g_r_o_u_p.html )
* [Hilbert transform algorithms. ](http://en.dsplib.org/dspl/group___h_i_l_b_e_r_t___g_r_o_u_p.html )
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* Analog and digital filters design and analysis:
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* [Convolution and digital filtration. ](http://en.dsplib.org/dspl/group___f_i_l_t_e_r___c_o_n_v___g_r_o_u_p.html )
* [IIR filters design. ](http://en.dsplib.org/dspl/group___i_i_r___f_i_l_t_e_r___d_e_s_i_g_n___g_r_o_u_p.html )
* [FIR filter design. ](http://en.dsplib.org/dspl/group___f_i_r___f_i_l_t_e_r___d_e_s_i_g_n___g_r_o_u_p.html )
* [Analog and digital filter analysis. ](http://en.dsplib.org/dspl/group___f_i_l_t_e_r___a_n_a_l_y_s_i_s___g_r_o_u_p.html )
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* Other algorithms:
* [Digital samplerate conversion (resampling). ](http://en.dsplib.org/dspl/group___r_e_s_a_m_p_l_i_n_g___g_r_o_u_p.html )
* [Input and output data from external files. ](http://en.dsplib.org/dspl/group___i_n___o_u_t___g_r_o_u_p.html )
* [Plotting data by Gnuplot interface. ](http://en.dsplib.org/dspl/group___p_l_o_t___g_r_o_u_p.html )
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* Appendix
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* [libdspl-2.0 data types. ](http://en.dsplib.org/dspl/group___t_y_p_e_s___g_r_o_u_p.html )
* [Error codes. ](http://en.dsplib.org/dspl/group___e_r_r_o_r___c_o_d_e___g_r_o_u_p.html )