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| -rw-r--r-- | info.toml | 10 |
1 files changed, 9 insertions, 1 deletions
@@ -902,7 +902,15 @@ name = "clippy1" path = "exercises/clippy/clippy1.rs" mode = "clippy" hint = """ -Floating point calculations are usually imprecise, so asking if two values are exactly equal is asking for trouble""" +Not every floating point value can be represented exactly in binary values in +memory. Take a look at the description of +https://doc.rust-lang.org/stable/std/primitive.f32.html +When using the binary compare operators with floating points you won't compare +the floating point values but the binary representation in memory. This is +usually not what you would like to do. +See the suggestions of the clippy warning in compile output and use the +machine epsilon value... +https://doc.rust-lang.org/stable/std/primitive.f32.html#associatedconstant.EPSILON""" [[exercises]] name = "clippy2" |