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remove some unused logic

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This commit is contained in:
Simon Gardling 2022-03-08 10:37:29 -05:00
parent 5d4c2838a0
commit 0deff05ab5
2 changed files with 26 additions and 97 deletions
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49
src/egui_app.rs
View File

@ -13,22 +13,10 @@ use epi::{Frame, Storage};
use include_flate::flate;
use instant::Duration;
use shadow_rs::shadow;
use std::fmt::{self, Debug};
use std::ops::RangeInclusive;
shadow!(build);
// Represents the method in which an integral should be displayed
#[derive(PartialEq, Debug, Copy, Clone)]
enum IntegralDisplay {
Rectangles,
Line,
}
impl fmt::Display for IntegralDisplay {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { write!(f, "{:?}", self) }
}
// Constant string that has a string containing information about the build.
const BUILD_INFO: &str = formatc!(
"Commit: {} ({})\nBuild Date: {}\nRust Channel: {}\nRust Version: {}",
@ -120,9 +108,6 @@ struct AppSettings {
// Number of rectangles used to calculate integral
pub integral_num: usize,
// Stores how integrals should be displayed
pub integral_display_type: IntegralDisplay,
// Stores whether or not dark mode is enabled
pub dark_mode: bool,
}
@ -137,7 +122,6 @@ impl Default for AppSettings {
integral_min_x: DEFAULT_MIN_X,
integral_max_x: DEFAULT_MAX_X,
integral_num: DEFAULT_INTEGRAL_NUM,
integral_display_type: IntegralDisplay::Rectangles,
dark_mode: true,
}
}
@ -186,23 +170,6 @@ impl MathApp {
ui.selectable_value(&mut self.settings.sum, RiemannSum::Right, "Right");
});
/*
ComboBox::from_label("Integral Display")
.selected_text(self.settings.integral_display_type.to_string())
.show_ui(ui, |ui| {
ui.selectable_value(
&mut self.settings.integral_display_type,
IntegralDisplay::Rectangles,
"Rectangles",
);
ui.selectable_value(
&mut self.settings.integral_display_type,
IntegralDisplay::Line,
"Line",
);
});
*/
let min_x_old = self.settings.integral_min_x;
let min_x_changed = ui
.add(
@ -532,20 +499,16 @@ impl epi::App for MathApp {
}
if let Some(integral_data) = integral {
let (integral_bar, integral_line, area) = integral_data;
let integral_name = format!("Integral of {}", func_str);
match self.settings.integral_display_type {
IntegralDisplay::Rectangles => plot_ui.bar_chart(
integral_bar
plot_ui.bar_chart(
integral_data
.0
.color(Color32::BLUE)
.width(step)
.name(integral_name),
),
IntegralDisplay::Line => plot_ui.line(
integral_line.color(Color32::BLUE).name(integral_name),
),
}
digits_precision(area, 8)
);
digits_precision(integral_data.1, 8)
} else {
f64::NAN
}

68
src/function.rs
View File

@ -35,7 +35,7 @@ pub struct FunctionEntry {
pixel_width: usize,
back_cache: Option<Vec<Value>>,
front_cache: Option<(Vec<Bar>, Vec<Value>, f64)>,
front_cache: Option<(Vec<Bar>, f64)>,
derivative_cache: Option<Vec<Value>>,
pub(crate) integral: bool,
@ -153,13 +153,7 @@ impl FunctionEntry {
}
}
pub fn run_back(
&mut self,
) -> (
Vec<Value>,
Option<(Vec<Bar>, Vec<Value>, f64)>,
Option<Vec<Value>>,
) {
pub fn run_back(&mut self) -> (Vec<Value>, Option<(Vec<Bar>, f64)>, Option<Vec<Value>>) {
let resolution: f64 = (self.pixel_width as f64 / (self.max_x - self.min_x).abs()) as f64;
let back_values: Vec<Value> = {
if self.back_cache.is_none() {
@ -193,14 +187,11 @@ impl FunctionEntry {
true => {
if self.front_cache.is_none() {
let (data, area) = self.integral_rectangles();
self.front_cache = Some((
data.iter().map(|(x, y, _)| Bar::new(*x, *y)).collect(),
data.iter().map(|(x, _, y)| Value::new(*x, *y)).collect(),
area,
));
self.front_cache =
Some((data.iter().map(|(x, y)| Bar::new(*x, *y)).collect(), area));
}
let cache = self.front_cache.as_ref().unwrap();
Some((cache.0.clone(), cache.1.clone(), cache.2))
Some((cache.0.clone(), cache.1))
}
false => None,
};
@ -208,17 +199,13 @@ impl FunctionEntry {
(back_values, integral_data, derivative_values)
}
pub fn run(&mut self) -> (Line, Option<(BarChart, Line, f64)>, Option<Line>) {
pub fn run(&mut self) -> (Line, Option<(BarChart, f64)>, Option<Line>) {
let (back_values, integral_data_option, derivative_option) = self.run_back();
(
Line::new(Values::from_values(back_values)),
if let Some(integral_data) = integral_data_option {
Some((
BarChart::new(integral_data.0),
Line::new(Values::from_values(integral_data.1)),
integral_data.2,
))
Some((BarChart::new(integral_data.0), integral_data.1))
} else {
None
},
@ -228,7 +215,7 @@ impl FunctionEntry {
}
// Creates and does the math for creating all the rectangles under the graph
fn integral_rectangles(&self) -> (Vec<(f64, f64, f64)>, f64) {
fn integral_rectangles(&self) -> (Vec<(f64, f64)>, f64) {
if self.integral_min_x.is_nan() {
panic!("integral_min_x is NaN")
} else if self.integral_max_x.is_nan() {
@ -239,7 +226,7 @@ impl FunctionEntry {
let mut last_positive: Option<bool> = None;
let mut area: f64 = 0.0;
let data2: Vec<(f64, f64, f64)> = (0..self.integral_num)
let data2: Vec<(f64, f64)> = (0..self.integral_num)
.map(|e| {
let x: f64 = ((e as f64) * step) + self.integral_min_x;
let step_offset = step * x.signum(); // store the offset here so it doesn't have to be calculated multiple times
@ -266,9 +253,9 @@ impl FunctionEntry {
area += y * step;
}
(x + (step_offset / 2.0), y, area)
(x + (step_offset / 2.0), y)
})
.filter(|(_, y, _)| !y.is_nan())
.filter(|(_, y)| !y.is_nan())
.collect();
(data2, area)
}
@ -359,7 +346,7 @@ fn left_function_test() {
assert!(bars.is_some());
assert_eq!(back_values.len(), pixel_width);
assert_eq!(bars.clone().unwrap().2, area_target);
assert_eq!(bars.clone().unwrap().1, area_target);
let vec_bars = bars.unwrap().0;
assert_eq!(vec_bars.len(), integral_num);
@ -376,17 +363,10 @@ fn left_function_test() {
assert!(bars.is_some());
assert_eq!(back_values.len(), pixel_width);
assert_eq!(bars.clone().unwrap().2, area_target);
assert_eq!(bars.clone().unwrap().1, area_target);
let bars_unwrapped = bars.unwrap();
assert_eq!(bars_unwrapped.0.iter().len(), integral_num);
let integral_line = bars_unwrapped.1;
let vec_integral: Vec<(f64, f64)> =
integral_line.iter().map(|ele| (ele.x, ele.y)).collect();
assert_eq!(vec_integral.len(), integral_num);
assert_eq!(vec_integral[vec_integral.len() - 1].1, area_target);
}
}
@ -433,7 +413,7 @@ fn middle_function_test() {
assert!(bars.is_some());
assert_eq!(back_values.len(), pixel_width);
assert_eq!(bars.clone().unwrap().2, area_target);
assert_eq!(bars.clone().unwrap().1, area_target);
let vec_bars = bars.unwrap().0;
assert_eq!(vec_bars.len(), integral_num);
@ -450,17 +430,10 @@ fn middle_function_test() {
assert!(bars.is_some());
assert_eq!(back_values.len(), pixel_width);
assert_eq!(bars.clone().unwrap().2, area_target);
assert_eq!(bars.clone().unwrap().1, area_target);
let bars_unwrapped = bars.unwrap();
assert_eq!(bars_unwrapped.0.iter().len(), integral_num);
let integral_line = bars_unwrapped.1;
let vec_integral: Vec<(f64, f64)> =
integral_line.iter().map(|ele| (ele.x, ele.y)).collect();
assert_eq!(vec_integral.len(), integral_num);
assert_eq!(vec_integral[vec_integral.len() - 1].1, area_target);
}
}
@ -507,7 +480,7 @@ fn right_function_test() {
assert!(bars.is_some());
assert_eq!(back_values.len(), pixel_width);
assert_eq!(bars.clone().unwrap().2, area_target);
assert_eq!(bars.clone().unwrap().1, area_target);
let vec_bars = bars.unwrap().0;
assert_eq!(vec_bars.len(), integral_num);
@ -524,16 +497,9 @@ fn right_function_test() {
assert!(bars.is_some());
assert_eq!(back_values.len(), pixel_width);
assert_eq!(bars.clone().unwrap().2, area_target);
assert_eq!(bars.clone().unwrap().1, area_target);
let bars_unwrapped = bars.unwrap();
assert_eq!(bars_unwrapped.0.iter().len(), integral_num);
let integral_line = bars_unwrapped.1;
let vec_integral: Vec<(f64, f64)> =
integral_line.iter().map(|ele| (ele.x, ele.y)).collect();
assert_eq!(vec_integral.len(), integral_num);
assert_eq!(vec_integral[vec_integral.len() - 1].1, area_target);
}
}