const std = @import("../../std.zig");
const testing = std.testing;
const math = std.math;
const cmath = math.complex;
const Complex = cmath.Complex;
pub fn proj(z: anytype) Complex(@TypeOf(z.re)) {
const T = @TypeOf(z.re);
if (math.isInf(z.re) or math.isInf(z.im)) {
return Complex(T).init(math.inf(T), math.copysign(@as(T, 0.0), z.re));
}
return Complex(T).init(z.re, z.im);
}
const epsilon = 0.0001;
test "complex.cproj" {
const a = Complex(f32).init(5, 3);
const c = proj(a);
try testing.expect(c.re == 5 and c.im == 3);
}