public long this[BitVector64.Section section]
{
get
{
return ((data >> section.Offset) & section.Mask);
}
set
{
if (value < 0)
throw new ArgumentException("Section can't hold negative values");
if (value > section.Mask)
throw new ArgumentException("Value too large to fit in section");
this.data &= ~(section.Mask << section.Offset);
this.data |= (value << section.Offset);
}
}
public static string ToString(BitVector64 value)
{
StringBuilder sb = new StringBuilder(0x2d);
sb.Append("BitVector64{");
ulong data = (ulong)value.Data;
for (int i = 0; i < 0x40; i++)
{
sb.Append(((data & 0x8000000000000000) == 0) ? '0' : '1');
data = data << 1;
}
sb.Append("}");
return sb.ToString();
//StringBuilder b = new StringBuilder();
//b.Append("BitVector64{");
//ulong mask = (ulong)Convert.ToInt64(0x8000000000000000);
//while (mask > 0)
//{
// b.Append((((ulong)value.Data & mask) == 0) ? '0' : '1');
// mask >>= 1;
//}
//b.Append('}');
//return b.ToString();
}
public BitVector64(BitVector64 source)
{
this.data = source.data;
}
public static Section CreateSection(int maxValue, BitVector64.Section previous)
{
if (maxValue < 1)
throw new ArgumentException("maxValue");
int bit = HighestSetBit(maxValue) + 1;
int mask = (1 << bit) - 1;
int offset = previous.Offset + NumberOfSetBits(previous.Mask);
if (offset > 64)
{
throw new ArgumentException("Sections cannot exceed 64 bits in total");
}
return new Section((short)mask, (short)offset);
}
