diff options
Diffstat (limited to 'src/tools/clippy/src/docs/imprecise_flops.txt')
-rw-r--r-- | src/tools/clippy/src/docs/imprecise_flops.txt | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/tools/clippy/src/docs/imprecise_flops.txt b/src/tools/clippy/src/docs/imprecise_flops.txt new file mode 100644 index 000000000..e84d81cea --- /dev/null +++ b/src/tools/clippy/src/docs/imprecise_flops.txt @@ -0,0 +1,23 @@ +### What it does +Looks for floating-point expressions that +can be expressed using built-in methods to improve accuracy +at the cost of performance. + +### Why is this bad? +Negatively impacts accuracy. + +### Example +``` +let a = 3f32; +let _ = a.powf(1.0 / 3.0); +let _ = (1.0 + a).ln(); +let _ = a.exp() - 1.0; +``` + +Use instead: +``` +let a = 3f32; +let _ = a.cbrt(); +let _ = a.ln_1p(); +let _ = a.exp_m1(); +```
\ No newline at end of file |