本文整理匯總了C#中System.Number.GetContinuousBitCount方法的典型用法代碼示例。如果您正苦於以下問題：C# Number.GetContinuousBitCount方法的具體用法？C# Number.GetContinuousBitCount怎麽用？C# Number.GetContinuousBitCount使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類System.Number的用法示例。
在下文中一共展示了Number.GetContinuousBitCount方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: Multiply
public unsafe ECPoint Multiply (Number scaler)
{
ECPoint[] P = SetupMultiplyHelperPoints ();
#if true
scaler = new Number (scaler, 1);
int l = scaler.BitCount () - 1;
int *b = stackalloc int [l >> 2];
int* e = stackalloc int[l >> 2];
int d = ComputeSignedWindowDecomposition (scaler, b, e);
ECPoint Q = P[b[d - 1]];
for (int i = d - 2; i >= 0; i --) {
for (int k = 0; k < e[i + 1] - e[i]; k ++)
Q = Q.Double ();
if (b[i] > 0)
Q = Q.Add (P[b[i]]);
else
Q = Q.Add (P[-b[i]].Invert ());
}
for (int k = 0; k < e[0]; k++)
Q = Q.Double ();
#else
#if true
if (P == null) {
P = _multiplyHelperPoints = new ECPoint[16];
P[1] = this;
P[2] = this.Double ();
P[3] = P[1].Add (P[2]);
P[5] = P[3].Add (P[2]);
P[7] = P[5].Add (P[2]);
P[9] = P[7].Add (P[2]);
P[11] = P[9].Add (P[2]);
P[13] = P[11].Add (P[2]);
P[15] = P[13].Add (P[2]);
}
int j = scaler.BitCount () - 1;
ECPoint Q = _field.GetInfinityPoint (_group);
while (j >= 0) {
if (scaler.GetBit (j) == 0) {
Q = Q.Double ();
j--;
} else {
int n = j - 1;
uint h = (1 << 3) | (scaler.GetBit (n--) << 2) | (scaler.GetBit (n--) << 1) | scaler.GetBit (n);
int t = j - 3;
while ((h & 1) == 0) {
h >>= 1;
t++;
}
for (int i = 1; i <= j - t + 1; i++)
Q = Q.Double ();
Q = Q.Add (P[(int)h]);
j = t - 1;
}
}
#else
ECPoint inv = Invert ();
if (P == null) {
P = _multiplyHelperPoints = new ECPoint[16];
P[1] = this;
P[2] = this.Double ();
P[3] = P[1].Add (P[2]);
P[5] = P[3].Add (P[2]);
P[7] = P[5].Add (P[2]);
P[9] = P[7].Add (P[2]);
P[11] = P[9].Add (P[2]);
P[13] = P[11].Add (P[2]);
P[15] = P[13].Add (P[2]);
}
int j = scaler.BitCount () - 1;
ECPoint Q = _field.GetInfinityPoint (_group);
while (j >= 0) {
uint continuous = scaler.GetContinuousBitCount (j);
if (continuous == 0) {
Q = Q.Double ();
j--;
} else if (continuous <= 4) {
int n = j - 1;
uint h = (1 << 3) | (scaler.GetBit (n--) << 2) | (scaler.GetBit (n--) << 1) | scaler.GetBit (n);
int t = j - 3;
while ((h & 1) == 0) {
h >>= 1;
t++;
}
for (int i = 1; i <= j - t + 1; i++)
Q = Q.Double ();
Q = Q.Add (P[(int)h]);
j = t - 1;
} else {
Q = Q.Add (this);
for (uint i = 0; i < continuous; i ++)
Q = Q.Double ();
Q = Q.Add (inv);
j -= (int)continuous;
}
}
#endif
#endif
return Q;
}