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fun/examples/math/math_sign.fun

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#!/usr/bin/env fun
/*
* This file is part of the Fun programming language.
* https://fun-lang.xyz/
*
* Copyright 2026 Johannes Findeisen <you@hanez.org>
* Licensed under the terms of the Apache-2.0 license.
* https://opensource.org/license/apache-2-0
*
* Added: 2026-01-03
*/
print("=== math sign demo start ===")
print("sign(-5) -> " + to_string(sign(-5))) // -1
print("sign(0) -> " + to_string(sign(0))) // 0
print("sign(7) -> " + to_string(sign(7))) // 1
print("sign(-0.0) -> " + to_string(sign(-0.0))) // 0
print("sign(3.14) -> " + to_string(sign(3.14))) // 1
print("=== math sign demo end ===")
/* Expected output (values):
=== math sign demo start ===
sign(-5) -> -1
sign(0) -> 0
sign(7) -> 1
sign(-0.0) -> 0
sign(3.14) -> 1
=== math sign demo end ===
*/