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Add scientific notation to floats.

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This commit is contained in:
Stephen Chung
2021-02-11 19:20:30 +08:00
parent d49581356d
commit 8ffb6c03b5
3 changed files with 53 additions and 45 deletions
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21
tests/float.rs
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@@ -7,20 +7,25 @@ const EPSILON: FLOAT = 0.000_000_000_1;
fn test_float() -> Result<(), Box<EvalAltResult>> {
let engine = Engine::new();
assert_eq!(
engine.eval::<bool>("let x = 0.0; let y = 1.0; x < y")?,
true
);
assert_eq!(
engine.eval::<bool>("let x = 0.0; let y = 1.0; x > y")?,
false
);
assert!(engine.eval::<bool>("let x = 0.0; let y = 1.0; x < y")?,);
assert!(!engine.eval::<bool>("let x = 0.0; let y = 1.0; x > y")?,);
assert_eq!(engine.eval::<bool>("let x = 0.; let y = 1.; x > y")?, false);
assert!((engine.eval::<FLOAT>("let x = 9.9999; x")? - 9.9999 as FLOAT).abs() < EPSILON);
Ok(())
}
#[test]
fn test_float_scientific() -> Result<(), Box<EvalAltResult>> {
let engine = Engine::new();
assert!(engine.eval::<bool>("123.456 == 1.23456e2")?);
assert!(engine.eval::<bool>("123.456 == 1.23456e+2")?);
assert!(engine.eval::<bool>("123.456 == 123456e-3")?);
Ok(())
}
#[test]
fn test_float_parse() -> Result<(), Box<EvalAltResult>> {
let engine = Engine::new();