From 573e30c62deae1946f9d8c62c6e23a68d6208847 Mon Sep 17 00:00:00 2001
From: Vla Mai <kzoper@gmail.com>
Date: Tue, 2 Apr 2019 10:11:45 +0500
Subject: refactor

---
 src/main.rs | 41 +++++++++++++----------------------------
 1 file changed, 13 insertions(+), 28 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index 3b8ab6d..3816377 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -97,15 +97,19 @@ fn main() {
 }
 
 fn pprint(ans: f64) {
-    // remove "-" char to add it later
-    let negative = ans < 0.0;
-    let ans = ans.abs();
+    let ans_string = format!("{}",ans);
 
-    let mut result_string = String::new();
-    let frac_part = ans.fract();
-    let i_part = ans - frac_part;
+    let ans_vector: Vec<&str> = ans_string.split(".").collect();
+    match ans_vector.len() {
+        1 => println!("{}",thousand_sep(ans_vector[0])),
+        2 => println!("{}.{}",thousand_sep(ans_vector[0]),ans_vector[1]),
+        _ => ()
+    }
+}
 
-    for (i,c) in i_part.to_string().chars().rev().enumerate(){
+fn thousand_sep(inp:&str) -> String{
+    let mut result_string = String::new();
+    for (i,c) in inp.to_string().chars().rev().enumerate(){
         if i % 3 == 0 && i != 0{
             result_string.push_str(",");
             result_string.push(c);
@@ -113,31 +117,12 @@ fn pprint(ans: f64) {
         }
         result_string.push(c)
     }
-
-    if negative {
-        result_string.push_str("-")
-    }
-    // Add whitespaces to fit
-    let mut integer_part_len = result_string.len();
-
-    let arrange:i16 = CONFIGURATION.fix as i16 - integer_part_len as i16;
+    let arrange:i16 = CONFIGURATION.fix as i16 - inp.len() as i16;
 
     if arrange > 0 {
         result_string.push_str(" ".repeat(arrange as usize).as_str())
     }
-    // --------------------------------------
-    // All below is writen because.
-    // float_number.to_string() printed as 123.321 -> 123.32099999999999795
-    let mut reverse_ans = result_string.chars().rev().collect::<String>();
-    if negative {
-        integer_part_len -= 1
-    }
-    if frac_part > 0.0{
-        let f_str = format!("{}",ans);
-        reverse_ans.push_str(&f_str[integer_part_len..]);
-    }
-
-    println!("{}", reverse_ans)
+    result_string.chars().rev().collect::<String>()
 }
 
 fn parse_arguments() -> Configuration {
-- 
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