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C++ vec_zz_p::elts方法代码示例

本文整理汇总了C++中vec_zz_p::elts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::elts方法的具体用法？C++ vec_zz_p::elts怎么用？C++ vec_zz_p::elts使用的例子？那么, 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::elts方法的13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: InnerProduct

void InnerProduct(zz_p& x, const vec_zz_p& a, const vec_zz_p& b,
                  long offset)
{
   if (offset < 0) LogicError("InnerProduct: negative offset");
   if (NTL_OVERFLOW(offset, 1, 0)) ResourceError("InnerProduct: offset too big");

   long n = min(a.length(), b.length()+offset);
   long i;

   long accum, t;
   long p = zz_p::modulus();
   mulmod_t pinv = zz_p::ModulusInverse();


   const zz_p *ap = a.elts();
   const zz_p *bp = b.elts();

   accum = 0;
   for (i = offset; i < n; i++) {
      t = MulMod(rep(ap[i]), rep(bp[i-offset]), p, pinv);
      accum = AddMod(accum, t, p);
   }

   x.LoopHole() = accum;
}
开发者ID:tell，项目名称:ntl-unix，代码行数:25，代码来源:vec_lzz_p.cpp

示例2: mul

void mul(vec_zz_p& x, const vec_zz_p& a, zz_p b)
{
   long n = a.length();
   x.SetLength(n);

   long i;

   if (n <= 1) {

      for (i = 0; i < n; i++)
	 mul(x[i], a[i], b);

   }
   else {

      long p = zz_p::modulus();
      double pinv = zz_p::ModulusInverse();
      long bb = rep(b);
      mulmod_precon_t bpinv = PrepMulModPrecon(bb, p, pinv);


      const zz_p *ap = a.elts();
      zz_p *xp = x.elts();

      for (i = 0; i < n; i++)
         xp[i].LoopHole() = MulModPrecon(rep(ap[i]), bb, p, bpinv);

   }
}
开发者ID:Macaulay2，项目名称:Singular，代码行数:29，代码来源:vec_lzz_p.c

示例3: mul_aux

void mul_aux(vec_zz_p& x, const mat_zz_p& A, const vec_zz_p& b)
{
   long n = A.NumRows();
   long l = A.NumCols();

   if (l != b.length())
      LogicError("matrix mul: dimension mismatch");

   x.SetLength(n);
   zz_p* xp = x.elts();

   long p = zz_p::modulus();
   mulmod_t pinv = zz_p::ModulusInverse();

   long i, k;
   long acc, tmp;

   const zz_p* bp = b.elts();

   if (n <= 1) {

      for (i = 0; i < n; i++) {
	 acc = 0;
	 const zz_p* ap = A[i].elts();

	 for (k = 0; k < l; k++) {
            tmp = MulMod(rep(ap[k]), rep(bp[k]), p, pinv);
            acc = AddMod(acc, tmp, p);
	 }

	 xp[i].LoopHole() = acc;
      }

   }
   else {

      Vec<mulmod_precon_t>::Watcher watch_precon_vec(precon_vec);
      precon_vec.SetLength(l);
      mulmod_precon_t *bpinv = precon_vec.elts();

      for (k = 0; k < l; k++)
         bpinv[k] = PrepMulModPrecon(rep(bp[k]), p, pinv);

      for (i = 0; i < n; i++) {
	 acc = 0;
	 const zz_p* ap = A[i].elts();

	 for (k = 0; k < l; k++) {
            tmp = MulModPrecon(rep(ap[k]), rep(bp[k]), p, bpinv[k]);
            acc = AddMod(acc, tmp, p);
	 }

	 xp[i].LoopHole() = acc;
      } 
   }
}
开发者ID:brown722，项目名称:FHE-BGV，代码行数:56，代码来源:mat_lzz_p.c

示例4: InnerProduct

void InnerProduct(zz_pX& x, const vec_zz_p& v, long low, long high, 
                   const vec_zz_pX& H, long n, vec_zz_p& t)
{
   zz_p s;
   long i, j;

   zz_p *tp = t.elts();

   for (j = 0; j < n; j++)
      clear(tp[j]);


   long p = zz_p::modulus();
   double pinv = zz_p::ModulusInverse();

   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();
      zz_p w = (v[i]);

      long W = rep(w);
      mulmod_precon_t Wpinv = PrepMulModPrecon(W, p, pinv); // ((double) W)*pinv;
      const zz_p *hp = h.elts();

      for (j = 0; j < m; j++) {
         long S = MulModPrecon(rep(hp[j]), W, p, Wpinv);
         S = AddMod(S, rep(tp[j]), p);
         tp[j].LoopHole() = S;
      }
   }

   x.rep = t;
   x.normalize();
}
开发者ID:av-elier，项目名称:fast-exponentiation-algs，代码行数:35，代码来源:lzz_pX1.c

示例5: negate

void negate(vec_zz_p& x, const vec_zz_p& a)
{
   long n = a.length();
   long p = zz_p::modulus();

   x.SetLength(n);


   const zz_p *ap = a.elts();
   zz_p *xp = x.elts();


   long i;
   for (i = 0; i < n; i++)
      xp[i].LoopHole() = NegateMod(rep(ap[i]), p);
}
开发者ID:tell，项目名称:ntl-unix，代码行数:16，代码来源:vec_lzz_p.cpp

示例6: add

void add(vec_zz_p& x, const vec_zz_p& a, const vec_zz_p& b)
{
   long n = a.length();
   if (b.length() != n) LogicError("vector add: dimension mismatch");

   long p = zz_p::modulus();

   x.SetLength(n);

   const zz_p *ap = a.elts();
   const zz_p *bp = b.elts();
   zz_p *xp = x.elts();

   long i;
   for (i = 0; i < n; i++)
      xp[i].LoopHole() = AddMod(rep(ap[i]), rep(bp[i]), p);
}
开发者ID:tell，项目名称:ntl-unix，代码行数:17，代码来源:vec_lzz_p.cpp

示例7: conv

// NOTE: the signature for this is in lzz_p.h
void conv(vec_zz_p& x, const Vec<long>& a)
{
   long i, n;

   n = a.length();
   x.SetLength(n);

   VectorConv(n, x.elts(), a.elts());
}
开发者ID:tell，项目名称:ntl-unix，代码行数:10，代码来源:vec_lzz_p.cpp

示例8: clear

void clear(vec_zz_p& x)
{
   long n = x.length();


   zz_p *xp = x.elts();

   long i;
   for (i = 0; i < n; i++)
      clear(xp[i]);
}
开发者ID:tell，项目名称:ntl-unix，代码行数:11，代码来源:vec_lzz_p.cpp

示例9: conv

void conv(vec_zz_p& x, const vec_ZZ& a)
{
   long i, n;

   n = a.length();
   x.SetLength(n);

   zz_p* xp = x.elts();
   const ZZ* ap = a.elts();

   for (i = 0; i < n; i++)
      conv(xp[i], ap[i]);
}
开发者ID:Macaulay2，项目名称:Singular，代码行数:13，代码来源:vec_lzz_p.c

示例10: VectorCopy

void VectorCopy(vec_zz_p& x, const vec_zz_p& a, long n)
{
   if (n < 0) LogicError("VectorCopy: negative length");
   if (NTL_OVERFLOW(n, 1, 0)) ResourceError("overflow in VectorCopy");

   long m = min(n, a.length());

   x.SetLength(n);


   const zz_p *ap = a.elts();
   zz_p *xp = x.elts();

  
   long i;

   for (i = 0; i < m; i++)
      xp[i] = ap[i];

   for (i = m; i < n; i++)
      clear(xp[i]);
}
开发者ID:tell，项目名称:ntl-unix，代码行数:22，代码来源:vec_lzz_p.cpp

示例11: IsZero

long IsZero(const vec_zz_p& a)
{
   long n = a.length();


   const zz_p *ap = a.elts();

   long i;
   for (i = 0; i < n; i++)
      if (!IsZero(ap[i]))
         return 0;

   return 1;
}
开发者ID:tell，项目名称:ntl-unix，代码行数:14，代码来源:vec_lzz_p.cpp

示例12: PlainTraceVec

void PlainTraceVec(vec_zz_p& S, const zz_pX& ff)
{
   if (deg(ff) <= 0)
      Error("TraceVec: bad args");

   zz_pX f;
   f = ff;

   MakeMonic(f);

   long n = deg(f);

   S.SetLength(n);

   if (n == 0)
      return;

   long k, i;
   zz_p acc, t;

   const zz_p *fp = f.rep.elts();;
   zz_p *sp = S.elts();

   sp[0] = n;

   for (k = 1; k < n; k++) {
      mul(acc, fp[n-k], k);

      for (i = 1; i < k; i++) {
         mul(t, fp[n-i], rep(sp[k-i]));
         add(acc, acc, t);
      }

      negate(sp[k], acc);
   }
}
开发者ID:av-elier，项目名称:fast-exponentiation-algs，代码行数:36，代码来源:lzz_pX1.c

示例13: mul

void mul(vec_zz_p& x, const vec_zz_p& a, const mat_zz_p& B)
{
   long l = a.length();
   long m = B.NumCols();
  
   if (l != B.NumRows())  
      LogicError("matrix mul: dimension mismatch");  

   if (m == 0) { 

      x.SetLength(0);
      
   }
   else if (m == 1) {

      long p = zz_p::modulus();
      mulmod_t pinv = zz_p::ModulusInverse();

      long acc, tmp;
      long k;

      acc = 0;  
      for(k = 1; k <= l; k++) {  
         tmp = MulMod(rep(a(k)), rep(B(k,1)), p, pinv);  
         acc = AddMod(acc, tmp, p);  
      } 

      x.SetLength(1);
      x(1).LoopHole()  = acc;
          
   }
   else {  // m > 1.  precondition


      long p = zz_p::modulus();
      mulmod_t pinv = zz_p::ModulusInverse();

      vec_long::Watcher watch_mul_aux_vec(mul_aux_vec);
      mul_aux_vec.SetLength(m);
      long *acc = mul_aux_vec.elts();

      long j, k;


      const zz_p* ap = a.elts();

      for (j = 0; j < m; j++) acc[j] = 0;

      for (k = 0;  k < l; k++) {
         long aa = rep(ap[k]);
         if (aa != 0) {
            const zz_p* bp = B[k].elts();
            long T1;
            mulmod_precon_t aapinv = PrepMulModPrecon(aa, p, pinv);

            for (j = 0; j < m; j++) {
               T1 = MulModPrecon(rep(bp[j]), aa, p, aapinv);
               acc[j] = AddMod(acc[j], T1, p);
            }
         } 
      }

      x.SetLength(m);
      zz_p *xp = x.elts();
      for (j = 0; j < m; j++)
         xp[j].LoopHole() = acc[j];    
   }
}
开发者ID:brown722，项目名称:FHE-BGV，代码行数:68，代码来源:mat_lzz_p.c


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