eb67f492de
The abs_sub name is misleading: the function actually computes the positive difference (`fdim` in C), not the `(x - y).abs()` that *many* people expect from the name. This function can be replaced with just `(x - y).max(0.0)`, mirroring the `abs` version, but this behaves differently with NAN: `NAN.max(0.0) == 0.0`, while `NAN.positive_diff(0.0) == NAN`. People who absolutely need that behaviour can use the C function directly and/or talk to the libs team (we haven't encountered a concrete use-case for this functionality). Closes #30315. |
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| f32.rs | ||
| f64.rs | ||
| mod.rs | ||