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	ccl_device float bits_to_01(uint bits)			ccl_device float bits_to_01(uint bits)
	{			{
	return bits * (1.0f / (float)0xFFFFFFFF);			return bits * (1.0f / (float)0xFFFFFFFF);
	}			}

	#if !defined(__KERNEL_GPU__)			#if !defined(__KERNEL_GPU__)
	# if defined(__GNUC__)			# if defined(__GNUC__)
	# define popcount(x) __builtin_popcount(x)			# define popcount(x) __builtin_popcount(x)
				# elif defined(_MSC_VER) && defined(__KERNEL_AVX__)
				# define popcount(x) _mm_popcnt_u32(x)
	# else			# else
	ccl_device_inline uint popcount(uint x)			ccl_device_inline uint popcount(uint x)
	{			{
	/* TODO(Stefan): pop-count intrinsic for Windows with fallback for older CPUs. */
	uint i = x;			uint i = x;
	i = i - ((i >> 1) & 0x55555555);			i = i - ((i >> 1) & 0x55555555);
	i = (i & 0x33333333) + ((i >> 2) & 0x33333333);			i = (i & 0x33333333) + ((i >> 2) & 0x33333333);
	i = (((i + (i >> 4)) & 0xF0F0F0F) * 0x1010101) >> 24;			i = (((i + (i >> 4)) & 0xF0F0F0F) * 0x1010101) >> 24;
	return i;			return i;
	}			}
	# endif			# endif
	#elif defined(__KERNEL_ONEAPI__)			#elif defined(__KERNEL_ONEAPI__)
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