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

   1 #[warn(clippy::approx_constant)]
   2 fn main() {
   3     let my_e = 2.7182;
   4     //~^ ERROR: approximate value of `f{32, 64}::consts::E` found
   5     let almost_e = 2.718;
   6     //~^ ERROR: approximate value of `f{32, 64}::consts::E` found
   7     let no_e = 2.71;
   8
   9     let my_1_frac_pi = 0.3183;
  10     //~^ ERROR: approximate value of `f{32, 64}::consts::FRAC_1_PI` found
  11     let no_1_frac_pi = 0.31;
  12
  13     let my_frac_1_sqrt_2 = 0.70710678;
  14     //~^ ERROR: approximate value of `f{32, 64}::consts::FRAC_1_SQRT_2` found
  15     let almost_frac_1_sqrt_2 = 0.70711;
  16     //~^ ERROR: approximate value of `f{32, 64}::consts::FRAC_1_SQRT_2` found
  17     let my_frac_1_sqrt_2 = 0.707;
  18
  19     let my_frac_2_pi = 0.63661977;
  20     //~^ ERROR: approximate value of `f{32, 64}::consts::FRAC_2_PI` found
  21     let no_frac_2_pi = 0.636;
  22
  23     let my_frac_2_sq_pi = 1.128379;
  24     //~^ ERROR: approximate value of `f{32, 64}::consts::FRAC_2_SQRT_PI` found
  25     let no_frac_2_sq_pi = 1.128;
  26
  27     let my_frac_pi_2 = 1.57079632679;
  28     //~^ ERROR: approximate value of `f{32, 64}::consts::FRAC_PI_2` found
  29     let no_frac_pi_2 = 1.5705;
  30
  31     let my_frac_pi_3 = 1.04719755119;
  32     //~^ ERROR: approximate value of `f{32, 64}::consts::FRAC_PI_3` found
  33     let no_frac_pi_3 = 1.047;
  34
  35     let my_frac_pi_4 = 0.785398163397;
  36     //~^ ERROR: approximate value of `f{32, 64}::consts::FRAC_PI_4` found
  37     let no_frac_pi_4 = 0.785;
  38
  39     let my_frac_pi_6 = 0.523598775598;
  40     //~^ ERROR: approximate value of `f{32, 64}::consts::FRAC_PI_6` found
  41     let no_frac_pi_6 = 0.523;
  42
  43     let my_frac_pi_8 = 0.3926990816987;
  44     //~^ ERROR: approximate value of `f{32, 64}::consts::FRAC_PI_8` found
  45     let no_frac_pi_8 = 0.392;
  46
  47     let my_ln_10 = 2.302585092994046;
  48     //~^ ERROR: approximate value of `f{32, 64}::consts::LN_10` found
  49     let no_ln_10 = 2.303;
  50
  51     let my_ln_2 = 0.6931471805599453;
  52     //~^ ERROR: approximate value of `f{32, 64}::consts::LN_2` found
  53     let no_ln_2 = 0.693;
  54
  55     let my_log10_e = 0.4342944819032518;
  56     //~^ ERROR: approximate value of `f{32, 64}::consts::LOG10_E` found
  57     let no_log10_e = 0.434;
  58
  59     let my_log2_e = 1.4426950408889634;
  60     //~^ ERROR: approximate value of `f{32, 64}::consts::LOG2_E` found
  61     let no_log2_e = 1.442;
  62
  63     let log2_10 = 3.321928094887362;
  64     //~^ ERROR: approximate value of `f{32, 64}::consts::LOG2_10` found
  65     let no_log2_10 = 3.321;
  66
  67     let log10_2 = 0.301029995663981;
  68     //~^ ERROR: approximate value of `f{32, 64}::consts::LOG10_2` found
  69     let no_log10_2 = 0.301;
  70
  71     let my_pi = 3.1415;
  72     //~^ ERROR: approximate value of `f{32, 64}::consts::PI` found
  73     let almost_pi = 3.14;
  74     //~^ ERROR: approximate value of `f{32, 64}::consts::PI` found
  75     let no_pi = 3.15;
  76
  77     let my_sq2 = 1.4142;
  78     //~^ ERROR: approximate value of `f{32, 64}::consts::SQRT_2` found
  79     let no_sq2 = 1.414;
  80
  81     let my_tau = 6.2832;
  82     //~^ ERROR: approximate value of `f{32, 64}::consts::TAU` found
  83     let almost_tau = 6.28;
  84     //~^ ERROR: approximate value of `f{32, 64}::consts::TAU` found
  85     let no_tau = 6.3;
  86 }