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optimize right movements

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This commit is contained in:
Simon Gardling 2022-05-25 11:51:00 -04:00
parent 535713ad66
commit 7c6109161b
1 changed files with 9 additions and 9 deletions
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18
src/function_entry.rs
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@ -291,35 +291,35 @@ impl FunctionEntry {
let min_i = ((settings.min_x - prev_min) as f64 / resolution) as usize; let min_i = ((settings.min_x - prev_min) as f64 / resolution) as usize;
{ {
let (cut_data, _) = self.back_data.split_at(min_i); let _ = self.back_data.drain(min_i..=settings.plot_width);
let new_data: Vec<Value> = (min_i..=settings.plot_width) let mut new_data: Vec<Value> = (min_i..=settings.plot_width)
.map(move |x: usize| (x as f64 * resolution) + settings.min_x) .map(move |x: usize| (x as f64 * resolution) + settings.min_x)
.map(|x: f64| Value::new(x, self.function.get(x))) .map(|x: f64| Value::new(x, self.function.get(x)))
.collect(); .collect();
self.back_data = [cut_data, &new_data].concat(); self.back_data.append(&mut new_data);
debug_assert_eq!(self.back_data.len(), settings.plot_width + 1); debug_assert_eq!(self.back_data.len(), settings.plot_width + 1);
} }
{ {
let (cut_data, _) = self.derivative_data.split_at(min_i); let _ = self.derivative_data.drain(min_i..=settings.plot_width);
let new_data: Vec<Value> = (min_i..=settings.plot_width) let mut new_data: Vec<Value> = (min_i..=settings.plot_width)
.map(move |x: usize| (x as f64 * resolution) + settings.min_x) .map(move |x: usize| (x as f64 * resolution) + settings.min_x)
.map(|x: f64| Value::new(x, self.function.get_derivative_1(x))) .map(|x: f64| Value::new(x, self.function.get_derivative_1(x)))
.collect(); .collect();
self.derivative_data = [cut_data, &new_data].concat(); self.derivative_data.append(&mut new_data);
debug_assert_eq!(self.derivative_data.len(), settings.plot_width + 1); debug_assert_eq!(self.derivative_data.len(), settings.plot_width + 1);
} }
if self.nth_derviative && let Some(data) = self.nth_derivative_data.as_mut() { if self.nth_derviative && let Some(data) = self.nth_derivative_data.as_mut() {
let (cut_data, _) = data.split_at(min_i); let _ = data.drain(min_i..=settings.plot_width);
let new_data: Vec<Value> = (min_i..=settings.plot_width) let mut new_data: Vec<Value> = (min_i..=settings.plot_width)
.map(move |x: usize| (x as f64 * resolution) + settings.min_x) .map(move |x: usize| (x as f64 * resolution) + settings.min_x)
.map(|x: f64| Value::new(x, self.function.get_nth_derivative(self.curr_nth, x))) .map(|x: f64| Value::new(x, self.function.get_nth_derivative(self.curr_nth, x)))
.collect(); .collect();
*data = [cut_data, &new_data].concat(); data.append(&mut new_data);
debug_assert_eq!(data.len(), settings.plot_width + 1); debug_assert_eq!(data.len(), settings.plot_width + 1);
} }
} else { } else {