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Lab 2 formatting tweaks.

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This commit is contained in:
Rhinemann 2023-06-21 01:15:08 +03:00
parent 59fc1ad596
commit 698bfe413e
1 changed files with 33 additions and 21 deletions
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54
Rust/lab_2/src/main.rs
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@ -13,7 +13,7 @@ fn read_row() -> Vec<i16> {
let raw_row: String = text_io::read!("{}\n"); let raw_row: String = text_io::read!("{}\n");
let trimmed_row: &str = raw_row.trim(); let trimmed_row: &str = raw_row.trim();
match trimmed_row.split(" ").all(|value| { match trimmed_row.split(" ").all(|value| {
value.chars().all(|char| char.is_numeric()) value.chars().all(|char| char.is_numeric() || char == '-')
&& value.parse::<i32>().unwrap() <= i16::MAX as i32 && value.parse::<i32>().unwrap() <= i16::MAX as i32
&& value.parse::<i32>().unwrap() >= i16::MIN as i32 && value.parse::<i32>().unwrap() >= i16::MIN as i32
}) { }) {
@ -37,10 +37,11 @@ fn generate_row(row_index: u16, length: u16) -> Vec<i16> {
fn read_matrix() -> Vec<Vec<i16>> { fn read_matrix() -> Vec<Vec<i16>> {
let rows: u16 = protected_u16_read("the number of rows"); let rows: u16 = protected_u16_read("the number of rows");
loop { loop {
print!("Generate matrix or input manually [g/i]: "); print!("Generate [s]quare or [r]ectangle matrix or [i]nput manually [s/r/i]: ");
let option: String = text_io::read!(); let option: String = text_io::read!();
match option.to_lowercase().as_str() { match option.to_lowercase().as_str() {
"g" => { "s" => return (0..rows).map(|i| generate_row(i, rows)).collect(),
"r" => {
let columns: u16 = protected_u16_read("the number of columns"); let columns: u16 = protected_u16_read("the number of columns");
return (0..rows).map(|i| generate_row(i, columns)).collect(); return (0..rows).map(|i| generate_row(i, columns)).collect();
} }
@ -81,22 +82,16 @@ fn average_of_row(row: &Vec<i16>) -> f32 {
} }
fn format_matrix(matrix: &Vec<Vec<i16>>) -> String { fn format_matrix(matrix: &Vec<Vec<i16>>) -> String {
let max_element_width = matrix let max_width = matrix
.iter() .iter()
.map(|row| row.iter().max().unwrap()) .map(|row| {
row.iter()
.map(|element| element.to_string().len())
.max()
.unwrap()
})
.max() .max()
.unwrap() .unwrap();
.to_string()
.len();
let min_element_width = matrix
.iter()
.map(|row| row.iter().min().unwrap())
.min()
.unwrap()
.to_string()
.len();
let max_width = max_element_width.max(min_element_width);
let mut formatted_matrix: String = matrix let mut formatted_matrix: String = matrix
.iter() .iter()
@ -112,6 +107,20 @@ fn format_matrix(matrix: &Vec<Vec<i16>>) -> String {
return formatted_matrix; return formatted_matrix;
} }
fn format_column(column: &Vec<f32>) -> String {
let max_width = column
.iter()
.map(|element| element.to_string().len())
.max()
.unwrap();
return column
.iter()
.map(|element| format!("| {:max_width$} |", element))
.collect::<Vec<String>>()
.join("\n");
}
fn main() { fn main() {
let full_vec_test: Vec<Vec<i16>> = read_matrix(); let full_vec_test: Vec<Vec<i16>> = read_matrix();
println!("\nMatrix B:\n{}\n", format_matrix(&full_vec_test)); println!("\nMatrix B:\n{}\n", format_matrix(&full_vec_test));
@ -124,8 +133,11 @@ fn main() {
.iter() .iter()
.map(|row| average_of_row(row)) .map(|row| average_of_row(row))
.collect(); .collect();
println!("Averages for each row in a×B:"); println!(
row_averages "Averages for each row in a×B:\n{}",
.iter() format_column(&row_averages)
.for_each(|element| println!("{}", element)) );
/*row_averages
.iter()
.for_each(|element| println!("{}", element))*/
} }