Unverified50% confidenceFactExact time
Grisu uses 64-bit or 128-bit integer arithmetic to simulate high-precision computation, avoiding the costly bignum operations of traditional methods, and the Grisu2 variant can cover approximately 99.5% of input cases.
1
Sources
50%
Confidence
Long-term
Relevance
8/15/2026
First Seen
Sources
浮点数转字符串：你从未听说过的极速算法解析
Related Claims
UnverifiedUsing double to accelerate 32-bit integer division is relatively safe, whereas 64-bit integer division (maximum value approximately 9.2×10^18) exceeds the range that double can represent exactly and requires caution.63% similarUnverifiedDouble-precision floating-point (double, 64-bit) can precisely represent integers within the range of ±2^53, but still cannot cover the full range of 64-bit integer division.63% similarUnverifiedIn benchmarks, Ryū is approximately 20–30% faster than Grisu3.58% similarUnverifiedIn the function for selecting the best installed pin, Grok 4.5 compared semantic versions as strings, causing 209.9 to be incorrectly judged as greater than 209.11.58% similarUnverifiedFP32 uses 32 binary bits to represent a number (1 sign bit, 8 exponent bits, 23 mantissa bits) and can accurately represent approximately 7 significant decimal digits.57% similar
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