public static long UnionStruct()
{
long sum = 0;
for (int i = 0; i < _iterations; i++)
{
byte tf = (byte)(i % 255 + 1);
s_true = Unsafe.As <byte, bool>(ref tf);
for (int n = 0; n <= N; n++)
{
sum += BoolToByte.AsByte(s_true);
sum++;
sum -= BoolToByte.AsByte(s_false);
sum--;
sum += BoolToByte.If(s_true, 4);
sum -= BoolToByte.If(s_false, 3);
sum += BoolToByte.If(s_true, 3, 2);
sum -= 7;
}
}
return(sum);
}
public static uint AsByte(bool condition)
{
// Normalize bool's underlying value to 0|1
// https://github.com/dotnet/roslyn/issues/24652
int val = new BoolToByte {
Bool = condition
}.Byte; // CLR permits 0..255
val = -val; // Negation will set sign-bit iff non-zero
val >>= 31; // Send sign-bit to lsb (all other bits will be zero)
return((byte)val);
}
