Class bfloat16

support/Bfloat16.h:108–181

Brain floating point representation class */

/** Brain floating point representation class */
class bfloat16 final
{
public:
    /** Default Constructor */
    bfloat16() : value(0)
    {
    }
    /** Constructor
     *
     * @param[in] v Floating-point value
     */
    explicit bfloat16(float v) : value(float_to_bf16(v))
    {
    }
    /** Constructor
     *
     * @param[in] v        Floating-point value
     * @param[in] portable bool to indicate the conversion is to be done in a backward compatible way
     */
    bfloat16(float v, bool portable) : value(0)
    {
        value = portable ? portable_float_to_bf16(v) : float_to_bf16(v);
    }
    /** Assignment operator
     *
     * @param[in] v Floating point value to assign
     *
     * @return The updated object
     */
    bfloat16 &operator=(float v)
    {
        value = float_to_bf16(v);
        return *this;
    }
    /** Floating point conversion operator
     *
     * @return Floating point representation of the value
     */
    operator float() const
    {
        return bf16_to_float(value);
    }
    /** Lowest representative value
     *
     * @return Returns the lowest finite value representable by bfloat16
     */
    static bfloat16 lowest()
    {
        bfloat16 val;
        val.value = 0xFF7F;
        return val;
    }
    /** Largest representative value
     *
     * @return Returns the largest finite value representable by bfloat16
     */
    static bfloat16 max()
    {