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Remove an is_nan workaround that is no longer needed

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beetrees 2024-12-19 11:59:09 +00:00 • committed by Trevor Gross
parent 5e6b813e51
commit bae68206fa
1 changed files with 1 additions and 11 deletions
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12
library/compiler-builtins/libm/src/math/support/float_traits.rs
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@ -80,17 +80,7 @@ pub trait Float:
/// represented in multiple different ways. This method returns `true` if two NaNs are
/// compared.
fn eq_repr(self, rhs: Self) -> bool {
let is_nan = |x: Self| -> bool {
// }
// fn is_nan(x: Self) -> bool {
// When using mangled-names, the "real" compiler-builtins might not have the
// necessary builtin (__unordtf2) to test whether `f128` is NaN.
// FIXME(f16_f128): Remove once the nightly toolchain has the __unordtf2 builtin
// x is NaN if all the bits of the exponent are set and the significand is non-0
x.to_bits() & Self::EXP_MASK == Self::EXP_MASK
&& x.to_bits() & Self::SIG_MASK != Self::Int::ZERO
};
if is_nan(self) && is_nan(rhs) { true } else { self.to_bits() == rhs.to_bits() }
if self.is_nan() && rhs.is_nan() { true } else { self.to_bits() == rhs.to_bits() }
}
/// Returns true if the value is NaN.