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added table printting helper

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This commit is contained in:
Zastian Pretorius
2022-07-20 14:16:48 +01:00
parent 002c27aefc
commit 30baaff563
4 changed files with 99 additions and 48 deletions
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1
src/helpers/mod.rs Normal file
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@@ -0,0 +1 @@
pub mod table_printers;

49
src/helpers/table_printers.rs Normal file
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@@ -0,0 +1,49 @@
use prettytable::{Table, Row, Cell};
use std::vec::Vec;
pub fn print_first_table(table: &Vec<Vec<f64>>){
let mut print_table = Table::new();
let mut titles: Vec<Cell> = vec![];
for title in 0..table[0].len(){
if title == table[1].len() - 1 {
titles.push(Cell::new("rhs"));
} else if title < table[0].len() / 2 {
titles.push(Cell::new(&format!("x{}",title+1)));
} else {
titles.push(Cell::new(&format!("s{}",title - table[0].len() / 2 + 1)));
}
}
print_table.add_row(Row::new(titles));
for i in 0..table.len() {
let mut cells: Vec<Cell> = vec![];
for j in 0..table[i].len(){
cells.push(Cell::new(&table[i][j].to_string()));
};
print_table.add_row(Row::new(cells));
};
print_table.printstd();
}
pub fn print_table(table: &Vec<Vec<f64>>,pivot_col: &usize, pivot_row: &usize) {
let mut print_table = Table::new();
let mut titles: Vec<Cell> = vec![];
for title in 0..table[0].len(){
if title == table[0].len() - 1 {
titles.push(Cell::new("rhs"));
} else if title < table[0].len() / 2 {
titles.push(Cell::new(&format!("x{}",title+1)));
} else {
titles.push(Cell::new(&format!("s{}",title - table[0].len() / 2 + 1)));
}
}
print_table.add_row(Row::new(titles));
for i in 0..table.len() {
let mut cells: Vec<Cell> = vec![];
for j in 0..table[i].len(){
cells.push(Cell::new(&table[i][j].to_string()).style_spec(if j == *pivot_col || i == *pivot_row+1{ "Fgb"} else {""}));
};
print_table.add_row(Row::new(cells));
};
print_table.printstd();
}

1
src/main.rs
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@@ -1,4 +1,5 @@
mod simplex; mod simplex;
mod helpers;
use simplex::simplex::simplex; use simplex::simplex::simplex;
fn main() { fn main() {
simplex(); simplex();

96
src/simplex/simplex.rs
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@@ -1,6 +1,6 @@
use std::io::{self, Write}; use std::io::{self, Write};
use std::vec::Vec; use std::vec::Vec;
use prettytable::{Table, Row, Cell}; use crate::helpers::table_printers::{print_table, print_first_table};
struct Coll { struct Coll {
restriction: Vec<f64>, restriction: Vec<f64>,
sign: String, sign: String,
@@ -78,53 +78,53 @@ fn check_optimal(table: &Vec<Vec<f64>>) -> bool {
} }
} }
fn print_first_table(table: &Vec<Vec<f64>>){ //fn print_first_table(table: &Vec<Vec<f64>>){
let mut print_table = Table::new(); // let mut print_table = Table::new();
let mut titles: Vec<Cell> = vec![]; // let mut titles: Vec<Cell> = vec![];
for title in 0..table[0].len(){ // for title in 0..table[0].len(){
if title == table[1].len() - 1 { // if title == table[1].len() - 1 {
titles.push(Cell::new("rhs")); // titles.push(Cell::new("rhs"));
} else if title < table[0].len() / 2 { // } else if title < table[0].len() / 2 {
titles.push(Cell::new(&format!("x{}",title+1))); // titles.push(Cell::new(&format!("x{}",title+1)));
} else { // } else {
titles.push(Cell::new(&format!("s{}",title - table[0].len() / 2 + 1))); // titles.push(Cell::new(&format!("s{}",title - table[0].len() / 2 + 1)));
} // }
} // }
print_table.add_row(Row::new(titles)); // print_table.add_row(Row::new(titles));
for i in 0..table.len() { // for i in 0..table.len() {
let mut cells: Vec<Cell> = vec![]; // let mut cells: Vec<Cell> = vec![];
for j in 0..table[i].len(){ // for j in 0..table[i].len(){
cells.push(Cell::new(&table[i][j].to_string())); // cells.push(Cell::new(&table[i][j].to_string()));
}; // };
print_table.add_row(Row::new(cells)); // print_table.add_row(Row::new(cells));
}; // };
print_table.printstd(); // print_table.printstd();
//
} //}
//
//
fn print_table(table: &Vec<Vec<f64>>,pivot_col: &usize, pivot_row: &usize) { //fn print_table(table: &Vec<Vec<f64>>,pivot_col: &usize, pivot_row: &usize) {
let mut print_table = Table::new(); // let mut print_table = Table::new();
let mut titles: Vec<Cell> = vec![]; // let mut titles: Vec<Cell> = vec![];
for title in 0..table[0].len(){ // for title in 0..table[0].len(){
if title == table[0].len() - 1 { // if title == table[0].len() - 1 {
titles.push(Cell::new("rhs")); // titles.push(Cell::new("rhs"));
} else if title < table[0].len() / 2 { // } else if title < table[0].len() / 2 {
titles.push(Cell::new(&format!("x{}",title+1))); // titles.push(Cell::new(&format!("x{}",title+1)));
} else { // } else {
titles.push(Cell::new(&format!("s{}",title - table[0].len() / 2 + 1))); // titles.push(Cell::new(&format!("s{}",title - table[0].len() / 2 + 1)));
} // }
} // }
print_table.add_row(Row::new(titles)); // print_table.add_row(Row::new(titles));
for i in 0..table.len() { // for i in 0..table.len() {
let mut cells: Vec<Cell> = vec![]; // let mut cells: Vec<Cell> = vec![];
for j in 0..table[i].len(){ // for j in 0..table[i].len(){
cells.push(Cell::new(&table[i][j].to_string()).style_spec(if j == *pivot_col || i == *pivot_row+1{ "Fgb"} else {""})); // cells.push(Cell::new(&table[i][j].to_string()).style_spec(if j == *pivot_col || i == *pivot_row+1{ "Fgb"} else {""}));
}; // };
print_table.add_row(Row::new(cells)); // print_table.add_row(Row::new(cells));
}; // };
print_table.printstd(); // print_table.printstd();
} //}
fn pivot_table(table: &mut Vec<Vec<f64>>, pivot_row: usize, pivot_col: usize) -> Vec<Vec<f64>> { fn pivot_table(table: &mut Vec<Vec<f64>>, pivot_row: usize, pivot_col: usize) -> Vec<Vec<f64>> {
// firnd the pivot point // firnd the pivot point