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Add @clz CT macro (#2367)

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* Add `@clz` CT macro
This commit is contained in:
Zack Puhl
2025-08-06 07:42:52 -04:00
committed by GitHub
parent 29bae1fbd6
commit 6471728ee5
3 changed files with 55 additions and 16 deletions
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11
test/unit/stdlib/core/builtintests.c3
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@@ -173,3 +173,14 @@ fn void test_hash_repeat()
assert((bool[100]){}.hash() == (bool[100]){}.hash());
assert(int.typeid.hash() == int.typeid.hash());
}
fn void test_ct_clz()
{
assert(@clz((ulong)0) == ulong.sizeof * 8);
assert(@clz((char)1) == (char.sizeof * 8) - 1);
assert(@clz((uint)0x8000_0000) == 0);
assert(@clz((ushort)0x0100) == 7);
assert(@clz((long)-1) == 0);
assert(@clz((uint128)0x87) == 120);
assert(@clz((char)(0x44 - 0x40)) == 5);
}