Added Fast Inverse Square Root #11054
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maths/fast_inverse_sqrt.py
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| >>> fastInvSqrt(10) | ||
| 0.3156857923527257 | ||
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| >>> fastInvSqrt(4) | ||
| 0.49915357479239103 |
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| >>> fastInvSqrt(10) | |
| 0.3156857923527257 | |
| >>> fastInvSqrt(4) | |
| 0.49915357479239103 | |
| >>> fast_inverse_sqrt(10) | |
| 0.3156857923527257 | |
| >>> fast_inverse_sqrt(4) | |
| 0.49915357479239103 | |
| >>> fast_inverse_sqrt(0) | |
| ??? | |
| >>> fast_inverse_sqrt(-4) | |
| ??? | |
| >>> fast_inverse_sqrt(4.1) | |
| ??? | |
| >>> from math import sqrt | |
| >>> all(fast_inverse_sqrt(i) == sqrt(i) for i in range(-10, 10)) | |
| True |
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maths/fast_inverse_sqrt.py
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| import struct | ||
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| def fast_inverse_sqrt(x: float) -> float: |
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Please provide descriptive name for the parameter: x
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The test may/may not fail due to the approximation of answer, which is the essence of this method. Pls review for any additional change. |
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As discussed in CONTRIBUTING.md you can run the tests on your own computer with: |
The doctests work perfectly on my PC, even before i committed. In the build fail details,
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* Feat: Added Fast inverse square root * Fix: Added typehint * Fix: Added doctests that break the code, changed var name * updating DIRECTORY.md * [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci * Fix: fixed length of docstring * Update fast_inverse_sqrt.py --------- Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com> Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com> Co-authored-by: Christian Clauss <cclauss@me.com>
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