Fix FindLastBit

Author: SirLynix

include/NazaraUtils/MathUtils.inl

@@ -445,14 +445,14 @@ NAZARA_WARNING_POP()
 				else
 					return 0;
 #else
+				unsigned long index = 0;
 				if (_BitScanReverse(&index, SafeCast<unsigned long>(number >> 32)) != 0)
 					return index + 33;
-				else
-					return 0;
 
-				unsigned long index = 0;
 				if (_BitScanReverse(&index, SafeCast<unsigned long>(number & 0xFFFFFFFF)) != 0)
 					return index + 1;
+				else
+					return 0;
 #endif
 			}
 #elif defined(NAZARA_COMPILER_CLANG) || defined(NAZARA_COMPILER_GCC)

tests/src/MathTests.cpp

@@ -82,17 +82,6 @@ void TestFindLastBit()
 	{
 		value |= T(1) << i;
 		INFO(value);
-
-		if constexpr (sizeof(T) == sizeof(long long))
-			CHECK(Nz::BitCount<T> -__builtin_clzll(static_cast<long long>(value) == i + 1));
-		else if constexpr (sizeof(T) == sizeof(long))
-			CHECK(Nz::BitCount<T> - __builtin_clzl(static_cast<long long>(value) == i + 1));
-		else
-		{
-			static_assert(sizeof(T) <= sizeof(long));
-			CHECK(Nz::BitCount<T> - __builtin_clz(static_cast<long long>(value) == i + 1));
-		}
-
 		CHECK(Nz::FindLastBit(value) == i + 1);
 	}
 }