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fix + improve caching logic

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This commit is contained in:
Simon Gardling 2022-03-01 15:10:13 -05:00
parent c78a515a81
commit 501fa42789
1 changed files with 7 additions and 2 deletions
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9
src/function.rs
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@ -142,9 +142,14 @@ impl Function {
let x_data: Vec<f64> = back_cache.iter().map(|ele| ele.x).collect(); let x_data: Vec<f64> = back_cache.iter().map(|ele| ele.x).collect();
self.back_cache = Some( self.back_cache = Some(
(1..=self.pixel_width) (0..=self.pixel_width)
.map(|x| (x as f64 / resolution as f64) + min_x) .map(|x| (x as f64 / resolution as f64) + min_x)
.map(|x| { .map(|x| {
// If x is outside of previous bounds, just go ahead and just skip searching for the index
if (x < self.min_x) | (self.max_x < x) {
return Value::new(x, self.run_func(x));
}
let i_option = x_data.iter().position(|&r| r == x); // Optimize this later, this could be done much much better, but tbh it doesn't matter that much as the program is already super fast let i_option = x_data.iter().position(|&r| r == x); // Optimize this later, this could be done much much better, but tbh it doesn't matter that much as the program is already super fast
if let Some(i) = i_option { if let Some(i) = i_option {
@ -174,7 +179,7 @@ impl Function {
let absrange = (self.max_x - self.min_x).abs(); let absrange = (self.max_x - self.min_x).abs();
let resolution: f64 = (self.pixel_width as f64 / absrange) as f64; let resolution: f64 = (self.pixel_width as f64 / absrange) as f64;
self.back_cache = Some( self.back_cache = Some(
(1..=self.pixel_width) (0..=self.pixel_width)
.map(|x| (x as f64 / resolution as f64) + self.min_x) .map(|x| (x as f64 / resolution as f64) + self.min_x)
.map(|x| (x, self.run_func(x))) .map(|x| (x, self.run_func(x)))
.map(|(x, y)| Value::new(x, y)) .map(|(x, y)| Value::new(x, y))