Bug in math/ceil

[CatchemAL]

Issue
ceil function is only accurate to 1dp. For cases where n < num < n + 0.05, it will incorrectly round down.

Demonstrating the issue

    #[test]
    fn positive_decimal() {
        let num = 3.01;
        assert_eq!(ceil(num), num.ceil());
    }

[github-actions]

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[siriak]

Fixed, thanks!