src/tools/clippy/tests/ui/excessive_precision.rs

   1 #![feature(custom_attribute)]
   2 #![warn(excessive_precision)]
   3 #![allow(print_literal)]
   4
   5 fn main() {
   6     // Consts
   7     const GOOD32: f32 = 0.123_456;
   8     const GOOD32_SM: f32 = 0.000_000_000_1;
   9     const GOOD32_DOT: f32 = 10_000_000_000.0;
  10     const GOOD32_EDGE: f32 = 1.000_000_8;
  11     const GOOD64: f64 = 0.123_456_789_012;
  12     const GOOD64_SM: f32 = 0.000_000_000_000_000_1;
  13     const GOOD64_DOT: f32 = 10_000_000_000_000_000.0;
  14
  15     const BAD32_1: f32 = 0.123_456_789_f32;
  16     const BAD32_2: f32 = 0.123_456_789;
  17     const BAD32_3: f32 = 0.100_000_000_000_1;
  18     const BAD32_EDGE: f32 = 1.000_000_9;
  19
  20     const BAD64_1: f64 = 0.123_456_789_012_345_67f64;
  21     const BAD64_2: f64 = 0.123_456_789_012_345_67;
  22     const BAD64_3: f64 = 0.100_000_000_000_000_000_1;
  23
  24     // Literal as param
  25     println!("{}", 8.888_888_888_888_888_888_888);
  26
  27     // // TODO add inferred type tests for f32
  28     // Locals
  29     let good32: f32 = 0.123_456_f32;
  30     let good32_2: f32 = 0.123_456;
  31
  32     let good64: f64 = 0.123_456_789_012;
  33     let good64_suf: f64 = 0.123_456_789_012f64;
  34     let good64_inf = 0.123_456_789_012;
  35
  36     let bad32: f32 = 1.123_456_789;
  37     let bad32_suf: f32 = 1.123_456_789_f32;
  38     let bad32_inf = 1.123_456_789_f32;
  39
  40     let bad64: f64 = 0.123_456_789_012_345_67;
  41     let bad64_suf: f64 = 0.123_456_789_012_345_67f64;
  42     let bad64_inf = 0.123_456_789_012_345_67;
  43
  44     // Vectors
  45     let good_vec32: Vec<f32> = vec![0.123_456];
  46     let good_vec64: Vec<f64> = vec![0.123_456_789];
  47
  48     let bad_vec32: Vec<f32> = vec![0.123_456_789];
  49     let bad_vec64: Vec<f64> = vec![0.123_456_789_123_456_789];
  50
  51     // Exponential float notation
  52     let good_e32: f32 = 1e-10;
  53     let bad_e32: f32 = 1.123_456_788_888e-10;
  54
  55     let good_bige32: f32 = 1E-10;
  56     let bad_bige32: f32 = 1.123_456_788_888E-10;
  57 }