本文整理汇总了C++中vec_ZZ_p::length方法的典型用法代码示例。如果您正苦于以下问题:C++ vec_ZZ_p::length方法的具体用法?C++ vec_ZZ_p::length怎么用?C++ vec_ZZ_p::length使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类vec_ZZ_p
的用法示例。
在下文中一共展示了vec_ZZ_p::length方法的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: sub
void sub(vec_ZZ_p& x, const vec_ZZ_p& a, const vec_ZZ_p& b)
{
long n = a.length();
if (b.length() != n) LogicError("vector sub: dimension mismatch");
x.SetLength(n);
long i;
for (i = 0; i < n; i++)
sub(x[i], a[i], b[i]);
}
示例2: InnerProduct
void InnerProduct(ZZ_p& x, const vec_ZZ_p& a, const vec_ZZ_p& b)
{
long n = min(a.length(), b.length());
long i;
NTL_ZZRegister(accum);
NTL_ZZRegister(t);
clear(accum);
for (i = 0; i < n; i++) {
mul(t, rep(a[i]), rep(b[i]));
add(accum, accum, t);
}
conv(x, accum);
}
示例3: ProjectPowers
void ProjectPowers(vec_ZZ_p& x, const vec_ZZ_p& a, long k,
const ZZ_pXArgument& H, const ZZ_pXModulus& F)
{
long n = F.n;
if (a.length() > n || k < 0)
LogicError("ProjectPowers: bad args");
if (NTL_OVERFLOW(k, 1, 0))
ResourceError("ProjectPowers: excessive args");
long m = H.H.length()-1;
long l = (k+m-1)/m - 1;
ZZ_pXMultiplier M;
build(M, H.H[m], F);
vec_ZZ_p s(INIT_SIZE, n);
s = a;
StripZeroes(s);
x.SetLength(k);
for (long i = 0; i <= l; i++) {
long m1 = min(m, k-i*m);
ZZ_p* w = &x[i*m];
for (long j = 0; j < m1; j++)
InnerProduct(w[j], H.H[j].rep, s);
if (i < l)
UpdateMap(s, s, M, F);
}
}
示例4: clear
void clear(vec_ZZ_p& x)
{
long n = x.length();
long i;
for (i = 0; i < n; i++)
clear(x[i]);
}
示例5: InnerProduct
void InnerProduct(ZZ_pX& x, const vec_ZZ_p& v, long low, long high,
const vec_ZZ_pX& H, long n, ZZVec& t)
{
NTL_ZZRegister(s);
long i, j;
for (j = 0; j < n; j++)
clear(t[j]);
high = min(high, v.length()-1);
for (i = low; i <= high; i++) {
const vec_ZZ_p& h = H[i-low].rep;
long m = h.length();
const ZZ& w = rep(v[i]);
for (j = 0; j < m; j++) {
mul(s, w, rep(h[j]));
add(t[j], t[j], s);
}
}
x.rep.SetLength(n);
for (j = 0; j < n; j++)
conv(x.rep[j], t[j]);
x.normalize();
}
示例6: StripZeroes
static void StripZeroes(vec_ZZ_p& x)
{
long n = x.length();
while (n > 0 && IsZero(x[n-1]))
n--;
x.SetLength(n);
}
示例7: conv
void conv(vec_ZZ& x, const vec_ZZ_p& a)
{
long n = a.length();
x.SetLength(n);
long i;
for (i = 0; i < n; i++)
x[i] = rep(a[i]);
}
示例8: negate
void negate(vec_ZZ_p& x, const vec_ZZ_p& a)
{
long n = a.length();
x.SetLength(n);
long i;
for (i = 0; i < n; i++)
negate(x[i], a[i]);
}
示例9: mul
void mul(vec_ZZ_p& x, const vec_ZZ_p& a, long b_in)
{
NTL_ZZ_pRegister(b);
b = b_in;
long n = a.length();
x.SetLength(n);
long i;
for (i = 0; i < n; i++)
mul(x[i], a[i], b);
}
示例10: IsZero
long IsZero(const vec_ZZ_p& a)
{
long n = a.length();
long i;
for (i = 0; i < n; i++)
if (!IsZero(a[i]))
return 0;
return 1;
}
示例11: MinPolySeq
void MinPolySeq(ZZ_pX& h, const vec_ZZ_p& a, long m)
{
if (m < 0) LogicError("MinPoly: bad args");
if (NTL_OVERFLOW(m, 1, 0)) LogicError("MinPoly: bad args");
if (a.length() < 2*m) LogicError("MinPoly: sequence too short");
if (m > NTL_ZZ_pX_BERMASS_CROSSOVER)
GCDMinPolySeq(h, a, m);
else
BerlekampMassey(h, a, m);
}
示例12: FindFactors
static
void FindFactors(vec_ZZ_pX& factors, const ZZ_pX& f, const ZZ_pX& g,
const vec_ZZ_p& roots)
{
long r = roots.length();
factors.SetMaxLength(r);
factors.SetLength(0);
RecFindFactors(factors, f, g, roots, 0, r-1);
}
示例13: InnerProduct
// inner product (svec_ZZ and svec_ZZ_p)
inline void InnerProduct(ZZ_p& result, const svec_ZZ& a, const vec_ZZ_p& b) {
if (a.length()!=b.length()) {
cerr<<"InnerProduct() length mismatch\n";
exit(1);
}
clear(result);
long an = a.nvalues();
const svec_ZZ::index_t* ai = a.indices();
const svec_ZZ::value_t* av = a.values();
for (long i=0; i<an; ++i)
result += to_ZZ_p(av[i])*b[ai[i]];
}
示例14: IterFindFactors
static
void IterFindFactors(vec_ZZ_pX& factors, const ZZ_pX& f,
const ZZ_pX& g, const vec_ZZ_p& roots)
{
long r = roots.length();
long i;
ZZ_pX h;
factors.SetLength(r);
for (i = 0; i < r; i++) {
sub(h, g, roots[i]);
GCD(factors[i], f, h);
}
}
示例15: eval
void eval(vec_ZZ_p& b, const ZZ_pX& f, const vec_ZZ_p& a)
// naive algorithm: repeats Horner
{
if (&b == &f.rep) {
vec_ZZ_p bb;
eval(bb, f, a);
b = bb;
return;
}
long m = a.length();
b.SetLength(m);
long i;
for (i = 0; i < m; i++)
eval(b[i], f, a[i]);
}