titaniumtown/YTBN-Graphing-Software
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micro cleanups

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This commit is contained in:
Simon Gardling
2022-05-20 14:17:30 -04:00
parent 685ff25631
commit 4b0e758d33
4 changed files with 74 additions and 97 deletions
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26
tests/misc.rs
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@@ -54,7 +54,7 @@ fn step_helper() {
use ytbn_graphing_software::step_helper;
assert_eq!(
step_helper(10, &2.0, &3.0),
step_helper(10, 2.0, 3.0),
vec![2.0, 5.0, 8.0, 11.0, 14.0, 17.0, 20.0, 23.0, 26.0, 29.0]
);
}
@@ -172,54 +172,54 @@ fn newtons_method() {
let data = newtons_method(
&|x: f64| x.powf(2.0) - 1.0,
&|x: f64| 2.0 * x,
&3.0,
3.0,
&(0.0..5.0),
&f64::EPSILON,
f64::EPSILON,
);
assert_eq!(data, Some(1.0));
let data = newtons_method(
&|x: f64| x.sin(),
&|x: f64| x.cos(),
&3.0,
3.0,
&(2.95..3.18),
&f64::EPSILON,
f64::EPSILON,
);
assert_eq!(data, Some(std::f64::consts::PI));
let data = newtons_method(
&|x: f64| x.sin(),
&|_: f64| f64::NAN,
&0.0,
0.0,
&(-10.0..10.0),
&f64::EPSILON,
f64::EPSILON,
);
assert_eq!(data, None);
let data = newtons_method(
&|_: f64| f64::NAN,
&|x: f64| x.sin(),
&0.0,
0.0,
&(-10.0..10.0),
&f64::EPSILON,
f64::EPSILON,
);
assert_eq!(data, None);
let data = newtons_method(
&|_: f64| f64::INFINITY,
&|x: f64| x.sin(),
&0.0,
0.0,
&(-10.0..10.0),
&f64::EPSILON,
f64::EPSILON,
);
assert_eq!(data, None);
let data = newtons_method(
&|x: f64| x.sin(),
&|_: f64| f64::INFINITY,
&0.0,
0.0,
&(-10.0..10.0),
&f64::EPSILON,
f64::EPSILON,
);
assert_eq!(data, None);
}