Zig 0.17.0-dev (Split by item)

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expo2d

expo2.expo2d

fn expo2d(x: f64) f64

File

lib/std/math/expo2.zig:28

Code

fn expo2d(x: f64) f64 {
    const k: u32 = 2043;
    const kln2 = 0x1.62066151ADD8BP+10;

    const u = (0x3FF + k / 2) << 20;
    const scale = @as(f64, @bitCast(@as(u64, u) << 32));
    return @exp(x - kln2) * scale * scale;
}