use-real 0.0.4

Utility-first real-number primitives for RustUse
Documentation 
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use use_real::{Real, RealInterval, approx_eq};

fn main() -> Result<(), use_real::RealError> {
    let interval = RealInterval::try_new(-2.0, 6.0)?;
    let value = Real::try_new(8.0)?;
    let midpoint = interval.midpoint();
    let clamped = interval.clamp(value);

    assert!((midpoint.value() - 2.0).abs() < 1.0e-12);
    assert_eq!(clamped, Real::try_new(6.0)?);
    assert!(approx_eq(midpoint, Real::try_new(2.0)?, 1.0e-12)?);

    Ok(())
}