Port bellard/quickjs sumPrecise#1170
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bnoordhuis merged 6 commits intoquickjs-ng:masterfrom Sep 29, 2025
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upstream added a more compact version
bnoordhuis
approved these changes
Sep 28, 2025
| a = float64_as_uint64(d); | ||
| sgn = a >> 63; | ||
| e = (a >> 52) & ((1 << 11) - 1); | ||
| m = a & (((uint64_t)1 << 52) - 1); |
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Maybe a little more legible as:
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| m = a & (((uint64_t)1 << 52) - 1); | |
| m = a & ((1ULL << 52) - 1); |
Although I can't fault you for being precise with types. Consider it just a suggestion.
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Well, the rest of the code uses the uint64_t pattern too, so I think it's better to stick to it.
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It's more compact than xsum.