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Optimization: Move NaN-check inside branch where it is guaranteed to happen

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Inkrementator 2025-03-17 21:37:00 +01:00
parent 91aa5feead
commit 63ce5c37c0
1 changed files with 3 additions and 3 deletions
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4
std/math/algebraic.d
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@ -322,10 +322,10 @@ if (isFloatingPoint!T)
u = fabs(y); u = fabs(y);
if (u == T.infinity) return u; // hypot(inf, nan) == inf if (u == T.infinity) return u; // hypot(inf, nan) == inf
if (v == T.infinity) return v; // hypot(nan, inf) == inf if (v == T.infinity) return v; // hypot(nan, inf) == inf
}
if (u.isNaN || v.isNaN) if (u.isNaN || v.isNaN)
return T.nan; return T.nan;
}
assert(!(u.isNaN || v.isNaN), "Comparison to NaN always fails, thus is is always handled in the branch above");
const maxabs = max(u,v); const maxabs = max(u,v);
if (v == 0.0) if (v == 0.0)