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use crate::{Matrix, FONT_SIZE};
pub fn max(arr: &[f64]) -> f64 {
let mut max = arr[0];
for value in arr {
if value > &max {
max = *value;
}
}
max
}
pub fn min(arr: &[f64]) -> f64 {
let mut min = arr[0];
for value in arr {
if value < &min {
min = *value;
}
}
min
}
pub fn count_tens(mut num: f64) -> u128 {
let mut count = 1;
while num > 10. {
num /= 10.;
count *= 10;
}
count
}
pub fn count_inv_tens(mut num: f64) -> u128 {
let mut count = 1;
while num.round() == 0. {
num *= 10.;
count += 1;
}
10u128.pow(count)
}
pub fn divs(lhs: &[f64], rhs: f64) -> Vec<f64> {
lhs.iter().map(|v| v / rhs).collect()
}
pub fn sub(lhs: &[f64], rhs: f64) -> Vec<f64> {
let mut out = Vec::with_capacity(lhs.len());
for val in lhs.iter() {
out.push(val - rhs);
}
out
}
pub fn get_font_size_x(max: f64) -> f32 {
let a = if max >= 3. {
count_tens(max) * 10
} else {
count_inv_tens(max) * 12
};
let a = (a as f64).log10() as f32;
FONT_SIZE - (2.9 * a)
}
pub fn get_font_size_y(max: f64) -> f32 {
let a = if max >= 3. {
count_tens(max) * 10
} else {
count_inv_tens(max) * 1000
};
let a = (a as f64).log10() as f32;
FONT_SIZE - (1. * a)
}
pub fn get_steps(max: f64, mut min_steps: f64) -> f64 {
if max >= min_steps {
while max % min_steps != 0. {
min_steps += 1.;
}
return min_steps;
}
let max = count_inv_tens(max) as f64 * max * 10.;
while max % min_steps != 0. {
min_steps -= 1.;
}
min_steps
}
pub fn max_display(max: f64, other_scaling: bool) -> f64 {
if max == 0. {
return 1.;
}
if max >= 2. {
if other_scaling {
let tens = count_tens(max) / 10;
if tens == 0 {
return max;
}
if tens == 1 {
return (max / 10.).round() * 10.;
}
((max / tens as f64 / 2.).round() * tens as f64) * 2.
} else {
let tens = count_tens(max);
((max / tens as f64 / 2.).round() * tens as f64) * 2.
}
} else {
let tens = count_inv_tens(max);
((max * tens as f64 / 2.).round() / tens as f64) * 2.
}
}
#[test]
fn test_max() {
let num = 26.;
let x = (num / 10f64).round() * 10.;
println!("x: {x}")
}
pub fn max_matrix(mat: &Matrix) -> f64 {
let mut max = mat[0][0].abs();
for x in mat {
for x in x {
let x = x.abs();
if x > max {
max = x;
}
}
}
max
}
pub fn min_matrix(mat: &Matrix) -> f64 {
let mut min = mat[0][0].abs();
for x in mat {
for x in x {
let x = x.abs();
if x < min {
min = x;
}
}
}
min
}
