tiny-bignum-c
arpra
| tiny-bignum-c | arpra | |
|---|---|---|
| 2 | 2 | |
| 466 | 25 | |
| 0.0% | - | |
| 4.6 | 0.0 | |
| over 1 year ago | over 3 years ago | |
| C | C | |
| The Unlicense | GNU Lesser General Public License v3.0 only |
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tiny-bignum-c
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How to calculate large factorial number in C ?
Large? Factorials get very large very quickly. Do you need pointers to a bignum library? https://github.com/kokke/tiny-bignum-c
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Library for arithmetic operations on integers represented by arrays
tiny-bignum-c looks what you want.... the code is also very small and hackable
arpra
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Coq: The World's Best Macro Assembler? [pdf]
In most cases the data a kalman filter is working on has some precision which is much lower than the available precision in the floating format you are using. The problem is inherently a statistical one, since the expected precision depends on the statistics of your data source.
So you would probably adopt some conservative approach in which you showed that the worst case floating point rounding error is << some quantile of error due to the data.
But, I think specialised tools are more commonly used than general process. Eg, see https://github.com/arpra-project/arpra
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Is there a language which can keep track of the potential epsilon error when doing calculations?
I don't know why everyone else is talking about bignums, but this is a fairly common subject of interest with lots of research projects out there. Off the top of my head Arpra, and CADNA. Julia also has IntervalArithmetic.jl which can be used with some manual work. None of these are core language features, but I don't imagine that was an important part of the question.
What are some alternatives?
gmp-extensions - Extending GNU MP library.
macadam - Async node.js interface to Blackmagic Design capture and playback devices.
BigNumber - C++ class for creating and computing arbitrary-length integers
screamer - Screamer is an extension of Common Lisp that adds support for nondeterministic programming.
gmp-wasm - Fork of the GNU Multiple Precision Arithmetic Library (GMP), suitable for compilation into WebAssembly.
verificarlo - A tool for debugging and assessing floating point precision and reproducibility.