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cache optimizations

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This commit is contained in:
Simon Gardling 2022-02-28 11:37:24 -05:00
parent 253b070a29
commit 35e1d5c016
1 changed files with 13 additions and 13 deletions
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26
src/function.rs
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@ -178,20 +178,20 @@ impl Function {
.map(|ele| ele.x) .map(|ele| ele.x)
.collect(); .collect();
let back_data: Vec<Value> = (1..=self.pixel_width) self.back_cache = Some(
.map(|x| (x as f64 / resolution as f64) + min_x) (1..=self.pixel_width)
.map(|x| { .map(|x| (x as f64 / resolution as f64) + min_x)
let i = x_data.iter().position(|&r| r == x); .map(|x| {
let i = x_data.iter().position(|&r| r == x);
if i.is_some() { if i.is_some() {
back_cache[i.expect("i is None")] back_cache[i.unwrap()]
} else { } else {
Value::new(x, self.run_func(x)) Value::new(x, self.run_func(x))
} }
}) })
.collect(); .collect(),
);
self.back_cache = Some(back_data);
} else { } else {
self.back_cache = None; self.back_cache = None;
self.min_x = min_x; self.min_x = min_x;