Class vfloat8

Source/astcenc_vecmathlib_avx2_8.h:49–113

* @brief Data type for 8-wide floats. */

 * @brief Data type for 8-wide floats.
 */
struct vfloat8
{
	/**
	 * @brief Construct from zero-initialized value.
	 */
	ASTCENC_SIMD_INLINE vfloat8() = default;

	/**
	 * @brief Construct from 8 values loaded from an unaligned address.
	 *
	 * Consider using loada() which is better with vectors if data is aligned
	 * to vector length.
	 */
	ASTCENC_SIMD_INLINE explicit vfloat8(const float *p)
	{
		m = _mm256_loadu_ps(p);
	}

	/**
	 * @brief Construct from 1 scalar value replicated across all lanes.
	 *
	 * Consider using zero() for constexpr zeros.
	 */
	ASTCENC_SIMD_INLINE explicit vfloat8(float a)
	{
		m = _mm256_set1_ps(a);
	}

	/**
	 * @brief Construct from an existing SIMD register.
	 */
	ASTCENC_SIMD_INLINE explicit vfloat8(__m256 a)
	{
		m = a;
	}

	/**
	 * @brief Factory that returns a vector of zeros.
	 */
	static ASTCENC_SIMD_INLINE vfloat8 zero()
	{
		return vfloat8(_mm256_setzero_ps());
	}

	/**
	 * @brief Factory that returns a replicated scalar loaded from memory.
	 */
	static ASTCENC_SIMD_INLINE vfloat8 load1(const float* p)
	{
		return vfloat8(_mm256_broadcast_ss(p));
	}

	/**
	 * @brief Factory that returns a vector loaded from 32B aligned memory.
	 */
	static ASTCENC_SIMD_INLINE vfloat8 loada(const float* p)
	{
		return vfloat8(_mm256_load_ps(p));