Zig 0.17.0-dev (Split by item)

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power

Calculate a base 2 exponent from a decimal exponent. This uses a pre-computed integer approximation for log2(10), where 217706 / 2^16 is accurate for the entire range of non-finite decimal exponents.

convert_eisel_lemire.power

fn power(q: i32) i32

File

lib/std/fmt/parse_float/convert_eisel_lemire.zig:127

Code

fn power(q: i32) i32 {
    return ((q *% (152170 + 65536)) >> 16) + 63;
}