Rendo/fapprox
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It doesn't work

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Rendo 2025-11-09 18:52:59 +05:00
commit c71ed10e76
5 changed files with 81 additions and 25 deletions
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21
src/tests.rs
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@ -1,4 +1,4 @@
use crate::{formula::Formula, node::Node};
use crate::{formula::Formula, learner::Learner, node::Node};
#[test]
fn test_node_variable() {
@ -17,7 +17,8 @@ fn test_plus_one() {
Node::function(
"+1".to_string(),
|inputs: Vec<f64>| inputs[0] + 1f64,
Some(1)
Some(1),
1
),
None
)
@ -35,7 +36,7 @@ fn test_branch_sum() {
formula
.modify_tree()
.insert_node(
Node::function("Sum".to_string(), |inputs| inputs.iter().sum(), Some(2)),
Node::function("Sum".to_string(), |inputs| inputs.iter().sum(), Some(2), 0),
None
)
.is_err()
@ -60,7 +61,7 @@ fn test_display_as_text() {
formula
.modify_tree()
.insert_node(
Node::function("sum".to_string(), |inputs| inputs.iter().sum(), None),
Node::function("sum".to_string(), |inputs| inputs.iter().sum(), None, 0),
None
)
.is_err()
@ -73,7 +74,8 @@ fn test_display_as_text() {
.add_node(Node::function(
"sin".to_string(),
|inputs| inputs[0].sin(),
Some(1)
Some(1),
0
))
.is_err()
== false
@ -89,3 +91,12 @@ fn test_display_as_text() {
);
assert_eq!(formula.as_text(), "sum(X,sin(X))".to_string());
}
#[test]
fn test_2x() {
let inputs = vec![0., 1., 2., 3., 4., 5., 6., 7., 8., 9., 10., 11., 12.];
let outputs = vec![0., 2., 4., 6., 8., 10., 12., 14., 16., 18., 20., 22., 24.];
let mut learner = Learner::new(inputs.clone(), outputs.clone(), None, None);
let formula = learner.calculate_formula();
assert_eq!(formula.run(inputs), outputs);
}