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A bignum library written in the C++ programming language as templates. It provides standard mathematical operations like add, sub, mul, div, pow etc. with the big integer and big floatingpoint numbers.
small and fast library dealing with signal processing
Tiny-DSP library contains c sources of a fast, tiny, portable and generic FFT (Fast Fourier transform) and inverse FFT. Supported are all power of two sizes (like 2,4,8,16,32,...) for one and two dimensional floatingpoint arrays.
This is a python implementation that handles floating points correctly,there are still some bugs but I'm working on it . The point was to work around some stuff that made no sense for floats,like 0.1+0.2 == 0.3 is false.
FPM - Fixed Point Math substitutes expensive floatingpoint operations by much cheaper integer arithmetics. Use this library in your plain C (gcc) projects if you like.
This is module for basic computation with floatingpoint numbers. Numbers can have very wide mantissa for good precision, for realize "arbitrary-precision arithmetic". Module was adapt for BCB and MSVC compilers. Russian comments.
Magic Fixed Point, it's an library that abstracts the use of fixed point math for environments that doesn't have floatingpoint operations or in places that you don't want to use the traditional floatingpoint operations.
XNC - Extreme Numeric Compression is used to store integer or floating-point numbers in compressed, binary form. Use XNC to persist high volume scientific or plant monitoring data. Compression ratios of >15 x can be achieved over plain text formats.