/// <summary>
/// Constructs an instance of this class with the value of the argument.
/// </summary>
/// <param name="value">An instance of <see cref="Float16"/>.</param>
public UFloat11(Float16 value)
{
int sig = value.Value & Float16.SignMask;
int exp = value.Value & Float16.ExponentMask;
int man = value.Value & Float16.MantissaMask;
if (exp == Float16.ExponentMask)
{
if (man != 0)
{
Value = NaN;
}
else if (sig == 0)
{
Value = Infinity;
}
else
{
Value = 0;
}
return;
}
Value = (ushort)((value.Value >> 4) + (value.Value & 8));
}
/// <summary>
/// Returns a value that indicates whether the specified value is not a number (<see cref="NaN"/>).
/// </summary>
/// <param name="value">An instance of this class.</param>
/// <returns><b>true</b> if <paramref name="value"/> evaluates to <see cref="NaN"/>; otherwise, <b>false</b>.</returns>
public static bool IsNaN(Float16 value)
{
if ((value.Value & ExponentMask) != ExponentMask)
{
return(false);
}
return((value.Value & MantissaMask) != 0);
}
public ConstantReal16(DataType dt, Float16 value)
: base(dt)
{
this.value = value;
}
public ConstantReal16(DataType dt, double value)
: base(dt)
{
this.value = new Float16(value);
}
private string RoundTrip(double d)
{
var f16 = new Float16(d);
return(f16.ToString("G", CultureInfo.InvariantCulture));
}
private string F16(ushort binary16)
{
var f16 = new Float16(binary16);
return(f16.ToString("G", CultureInfo.InvariantCulture));
}
/// <summary>
/// Returns a value indicating whether the specified number evaluates to positive infinity.
/// </summary>
/// <param name="value">An instance of this class.</param>
/// <returns><b>true</b> if <paramref name="value"/> evaluates to <see cref="PositiveInfinity"/>; otherwise, <b>false</b>.</returns>
public static bool IsPositiveInfinity(Float16 value)
{
return(value.Value == PositiveInfinity);
}
/// <summary>
/// Returns a value indicating whether the specified number evaluates to negative infinity.
/// </summary>
/// <param name="value">An instance of this class.</param>
/// <returns><b>true</b> if <paramref name="value"/> evaluates to <see cref="NegativeInfinity"/>; otherwise, <b>false</b>.</returns>
public static bool IsNegativeInfinity(Float16 value)
{
return(value.Value == NegativeInfinity);
}
/// <summary>
/// Returns a value indicating whether the specified number evaluates to negative or positive infinity.
/// </summary>
/// <param name="value">An instance of this class.</param>
/// <returns><b>true</b> if <paramref name="value"/> evaluates to <see cref="PositiveInfinity"/> or <see cref="NegativeInfinity"/>; otherwise, <b>false</b>.</returns>
public static bool IsInfinity(Float16 value)
{
return((value.Value & (ExponentMask | MantissaMask)) == ExponentMask);
}
/// <summary>
/// Constructs an instance of this class with the value of the argument.
/// </summary>
/// <param name="value">An instance of this class.</param>
public Float16(Float16 value)
{
Value = value.Value;
}
/// <summary>Get the squared value of the input.</summary>
public static Float16 Squared(this Float16 value)
{
return((Float16)(value * value));
}
