From f9d4290659443e1bd17109b64122665448117600 Mon Sep 17 00:00:00 2001 From: electria Date: Tue, 21 Jul 2026 13:19:32 -0700 Subject: [PATCH] fix(significant_digits): ignore dot completely --- src/main.rs | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/src/main.rs b/src/main.rs index f39ffa4..9e93fa5 100644 --- a/src/main.rs +++ b/src/main.rs @@ -28,7 +28,7 @@ pub fn parse_and_calc(s: &str) -> Float { } pub fn get_significant_digits(n: &Float) -> usize { - let raw_string = format!("{n}"); + let raw_string: String = format!("{n}").chars().filter(|c| *c != '.').collect(); let mut significant_digits = raw_string.len() - 1; let mut consecutive_zeros = 0; @@ -55,12 +55,12 @@ pub fn get_significant_digits(n: &Float) -> usize { } if !raw_string[i..raw_string.len()].contains(|c| matches!(c, '1'..='9')) { - significant_digits = i + 1; + significant_digits = i; break; } } - significant_digits - raw_string.chars().filter(|c| *c == '.').count() + significant_digits } #[test] @@ -71,8 +71,12 @@ fn test_get_significant_digits() { assert_eq!(many_nines.to_f64(), 44.0084); let zero_nine_zero = parse_and_calc("2+12321(5+123)"); assert_eq!(zero_nine_zero.to_f64(), 1577090.0); + let test_4 = + parse_and_calc("12.0096 + 1.00784 * 3 + 12.0096 + 1.00784 * 2 + 15.9994 + 1.00784"); + assert_eq!(test_4.to_f64(), 46.06564); assert_eq!(get_significant_digits(&many_zeros), 8); assert_eq!(get_significant_digits(&many_nines), 6); assert_eq!(get_significant_digits(&zero_nine_zero), 6); + assert_eq!(get_significant_digits(&test_4), 7); }