use crate::consts::{DAYSEC, TTMTAI};

pub fn taitt(tai1: f64, tai2: f64) -> Result<(f64, f64), i32> {

    // TT minus TAI (days).

    const DTAT: f64 = TTMTAI / DAYSEC;

    // Result, safeguarding precision.

    let (tt1, tt2) = if tai1.abs() > tai2.abs() {

        (tai1, tai2 + DTAT)

    } else {

        (tai1 + DTAT, tai2)

    };

    // Status (always OK).

    Ok((tt1, tt2))

}