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Fix getNaNPayload: Add NaN precondition and update ddocs #10901

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Merged
thewilsonator merged 1 commit into from
Nov 19, 2025
Merged

Fix getNaNPayload: Add NaN precondition and update ddocs #10901

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7 changes: 7 additions & 0 deletions std/math/operations.d
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Original file line number Diff line number Diff line change
Expand Up @@ -158,6 +158,13 @@ real NaN(ulong payload) @trusted pure nothrow @nogc
* For 80-bit or 128-bit reals, it is 0x3FFF_FFFF_FFFF_FFFF.
*/
ulong getNaNPayload(real x) @trusted pure nothrow @nogc
in
{
// Precondition: Input must be NaN
import std.math.traits : isNaN;
assert(isNaN(x), "getNaNPayload called on a non-NaN value");
}
do
{
import std.math.traits : floatTraits, RealFormat;

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