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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 standard library. Public Namespace

pow

Public Namespace

Namespaces

Types

Functions

pub fn pow(z: anytype, s: anytype) Complex(@TypeOf(z.re, z.im, s.re, s.im))

Returns z raised to the complex power of c.

File

math/complex/pow.zig
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const std = @import("../../std.zig");
const testing = std.testing;
const math = std.math;
const cmath = math.complex;
const Complex = cmath.Complex;

/// Returns z raised to the complex power of c.
pub fn pow(z: anytype, s: anytype) Complex(@TypeOf(z.re, z.im, s.re, s.im)) {
    return cmath.exp(cmath.log(z).mul(s));
}

test pow {
    const epsilon = math.floatEps(f32);
    const a = Complex(f32).init(5, 3);
    const b = Complex(f32).init(2.3, -1.3);
    const c = pow(a, b);

    try testing.expectApproxEqAbs(58.049110, c.re, epsilon);
    try testing.expectApproxEqAbs(-101.003433, c.im, epsilon);
}