Class vfloat4

Source/astcenc_vecmathlib_none_4.h:55–170

* @brief Data type for 4-wide floats. */

 * @brief Data type for 4-wide floats.
 */
struct vfloat4
{
	/**
	 * @brief Construct from zero-initialized value.
	 */
	ASTCENC_SIMD_INLINE vfloat4() = default;

	/**
	 * @brief Construct from 4 values loaded from an unaligned address.
	 *
	 * Consider using loada() which is better with wider VLA vectors if data is
	 * aligned to vector length.
	 */
	ASTCENC_SIMD_INLINE explicit vfloat4(const float* p)
	{
		m[0] = p[0];
		m[1] = p[1];
		m[2] = p[2];
		m[3] = p[3];
	}

	/**
	 * @brief Construct from 4 scalar values replicated across all lanes.
	 *
	 * Consider using zero() for constexpr zeros.
	 */
	ASTCENC_SIMD_INLINE explicit vfloat4(float a)
	{
		m[0] = a;
		m[1] = a;
		m[2] = a;
		m[3] = a;
	}

	/**
	 * @brief Construct from 4 scalar values.
	 *
	 * The value of @c a is stored to lane 0 (LSB) in the SIMD register.
	 */
	ASTCENC_SIMD_INLINE explicit vfloat4(float a, float b, float c, float d)
	{
		m[0] = a;
		m[1] = b;
		m[2] = c;
		m[3] = d;
	}

	/**
	 * @brief Get the scalar value of a single lane.
	 */
	template <int l> ASTCENC_SIMD_INLINE float lane() const
	{
		return m[l];
	}

	/**
	 * @brief Set the scalar value of a single lane.
	 */