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GFFT 0.2

Company: vmy
Date Added: August 20, 2013  |  Visits: 255

GFFT

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GFFT is generic simple and efficient Fast Fourier Transforms (FFT) implementation using policy-driven design and template metaprogramming.<br /><br />This new implementation of Fast Fourier transforms rose during study of the classical Cooley-Tukey algorithm and from an idea to assume the transform length N be a compile-time static constant, which is equal to 2^P. This assumption makes possible to implement some compile-time calculations needed for FFT such as sine and cosine functions. <br /><br />Basic features of GFFT:<br /><br /> Transforms in-place<br /> Complex FFT of power-of-two length<br /> Single real function FFT of power-of-two length<br /> High and cache-independent performance<br /> No additional data is stored<br /> You can use all available RAM for your transformed data<br /> One-step transform.<br /> Many known FFT implementation perform to steps: initialization and transform. Initialization for a given length is usually computationally expensive, while transform is fast. GFFT needs only to create an object instance that includes FFT-algorithm, but no additional data or computation.<br /> OpenMP parallelization<br />

Requirements: No special requirements
Platforms: *nix, Linux
Keyword: Algorithm Assume Assumption Calculations Compiletime Constant Cosine Equal Functions Implement Implementation Length Makes Needed Policydriven Static Transform
Users rating: 0/10

License: Freeware Size: 51.2 KB
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