Zig 0.17.0-dev (Split by item)

This is an example of documentation generated by ZigDoc, an alternative to Zig's built-in Auto Doc feature. See also examples in other modes/formats. The project being documented here (as the example) is the Zig library itself.

atan32

atan.atan32

fn atan32(z: Complex(f32)) Complex(f32)

File

lib/std/math/complex/atan.zig:39

Code

fn atan32(z: Complex(f32)) Complex(f32) {
    const x = z.re;
    const y = z.im;

    const x2 = x * x;
    var a = 1.0 - x2 - (y * y);

    var t = 0.5 * math.atan2(2.0 * x, a);
    const w = redupif32(t);

    t = y - 1.0;
    a = x2 + t * t;

    t = y + 1.0;
    a = (x2 + (t * t)) / a;
    return Complex(f32).init(w, 0.25 * @log(a));
}