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use ndarray::*;
use super::types::*;
use super::norm::*;
pub fn rclose<A, Tol>(test: A, truth: A, rtol: Tol) -> Result<Tol, Tol>
where A: Field + Absolute<Output = Tol>,
Tol: RealField
{
let dev = (test - truth).abs() / truth.abs();
if dev < rtol { Ok(dev) } else { Err(dev) }
}
pub fn aclose<A, Tol>(test: A, truth: A, atol: Tol) -> Result<Tol, Tol>
where A: Field + Absolute<Output = Tol>,
Tol: RealField
{
let dev = (test - truth).abs();
if dev < atol { Ok(dev) } else { Err(dev) }
}
pub fn close_max<A, Tol, S1, S2, D>(test: &ArrayBase<S1, D>, truth: &ArrayBase<S2, D>, atol: Tol) -> Result<Tol, Tol>
where A: Field + Absolute<Output = Tol>,
Tol: RealField,
S1: Data<Elem = A>,
S2: Data<Elem = A>,
D: Dimension
{
let tol = (test - truth).norm_max();
if tol < atol { Ok(tol) } else { Err(tol) }
}
pub fn close_l1<A, Tol, S1, S2, D>(test: &ArrayBase<S1, D>, truth: &ArrayBase<S2, D>, rtol: Tol) -> Result<Tol, Tol>
where A: Field + Absolute<Output = Tol>,
Tol: RealField,
S1: Data<Elem = A>,
S2: Data<Elem = A>,
D: Dimension
{
let tol = (test - truth).norm_l1() / truth.norm_l1();
if tol < rtol { Ok(tol) } else { Err(tol) }
}
pub fn close_l2<A, Tol, S1, S2, D>(test: &ArrayBase<S1, D>, truth: &ArrayBase<S2, D>, rtol: Tol) -> Result<Tol, Tol>
where A: Field + Absolute<Output = Tol>,
Tol: RealField,
S1: Data<Elem = A>,
S2: Data<Elem = A>,
D: Dimension
{
let tol = (test - truth).norm_l2() / truth.norm_l2();
if tol < rtol { Ok(tol) } else { Err(tol) }
}
macro_rules! generate_assert {
($assert:ident, $close:path) => {
#[macro_export]
macro_rules! $assert {
($test:expr, $truth:expr, $tol:expr) => {
$close($test, $truth, $tol).unwrap();
};
($test:expr, $truth:expr, $tol:expr; $comment:expr) => {
$close($test, $truth, $tol).expect($comment);
};
}
}}
generate_assert!(assert_rclose, rclose);
generate_assert!(assert_aclose, aclose);
generate_assert!(assert_close_max, close_max);
generate_assert!(assert_close_l1, close_l1);
generate_assert!(assert_close_l2, close_l2);