1const std = @import("../../std.zig");
 2const testing = std.testing;
 3const math = std.math;
 4const cmath = math.complex;
 5const Complex = cmath.Complex;
 6
 7/// Returns the complex conjugate of z.
 8pub fn conj(z: anytype) Complex(@TypeOf(z.re, z.im)) {
 9    const T = @TypeOf(z.re, z.im);
10    return Complex(T).init(z.re, -z.im);
11}
12
13test conj {
14    const a = Complex(f32).init(5, 3);
15    const c = a.conjugate();
16
17    try testing.expectEqual(5, c.re);
18    try testing.expectEqual(-3, c.im);
19}