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| Autore principale: | |
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| Natura: | Preprint |
| Pubblicazione: |
2023
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| Soggetti: | |
| Accesso online: | https://arxiv.org/abs/2303.14321 |
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| _version_ | 1866910435479912448 |
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| author | Lemire, Daniel |
| author_facet | Lemire, Daniel |
| contents | We sometimes need to compute the most significant digits of the product of small integers with a multiplier requiring much storage: e.g., a large integer (e.g., $5^{100}$) or an irrational number ($π$). We only need to access the most significant digits of the multiplier-as long as the integers are sufficiently small. We provide an efficient algorithm to compute the range of integers given a truncated multiplier and a desired number of digits. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2303_14321 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Exact Short Products From Truncated Multipliers Lemire, Daniel Data Structures and Algorithms We sometimes need to compute the most significant digits of the product of small integers with a multiplier requiring much storage: e.g., a large integer (e.g., $5^{100}$) or an irrational number ($π$). We only need to access the most significant digits of the multiplier-as long as the integers are sufficiently small. We provide an efficient algorithm to compute the range of integers given a truncated multiplier and a desired number of digits. |
| title | Exact Short Products From Truncated Multipliers |
| topic | Data Structures and Algorithms |
| url | https://arxiv.org/abs/2303.14321 |