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kissfft-js's Introduction

kissfft-js

Javascript port of KissFFT via Emscripten.

Install: npm install kissfft-js

See latest benchmarks against other popular Javascript FFT algorithms here.

Thanks to Chris Cannam for the original benchmark tool and for transpiling KissFFT. This version has been optimized to perform much faster since forking Chris' version.

Example usage for kissfft-js can be found in the test directory. The examples are only of the real valued transform / inverse, however complex to complex is also available.

The original KissFFT docs are also here.

kissfft-js's People

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j-funk avatar zxol avatar

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borischumichev zxol fr0stbyter

kissfft-js's Issues

runtime error could be a security risk

Hi,

When using this module we get an web inspect issue that there is a runtime error. This is the bit of code in that is causing the issue:

..16[1]=25459,115!==HEAPU8[2]||99!==HEAPU8[3])throw"Runtime error: expected the system to be little-endian!";

Would it be possible to update this so that a runtime error isn't thrown?

Thanks

Add transpilation related code to the repo

Would it be possible to add scripts/makefile etc that you use to get from C to js. Currently, there is the final product (the .js files), but not the way to recrated those.

Fail to run fft test

When run same test code, fftw-js works, kissfft-js fail with error like:

   RangeError: Maximum call stack size exceeded
      at ra (node_modules/kissfft-js/src/KissFFT.js:9:961)
      at ra (node_modules/kissfft-js/src/KissFFT.js:9:1393)
      at ra (node_modules/kissfft-js/src/KissFFT.js:9:1393)

Do you have any idea?
PS: run code on Mac OSX, NodeJS v8.6.0.

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