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C++ mat_ZZ_pE类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中mat_ZZ_pE的典型用法代码示例。如果您正苦于以下问题:C++ mat_ZZ_pE类的具体用法?C++ mat_ZZ_pE怎么用?C++ mat_ZZ_pE使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



在下文中一共展示了mat_ZZ_pE类的17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,您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: mul_aux

void mul_aux(mat_ZZ_pE& X, const mat_ZZ_pE& A, const mat_ZZ_pE& B)  
{  
   long n = A.NumRows();  
   long l = A.NumCols();  
   long m = B.NumCols();  
  
   if (l != B.NumRows())  
      Error("matrix mul: dimension mismatch");  
  
   X.SetDims(n, m);  
  
   long i, j, k;  
   ZZ_pX acc, tmp;  
  
   for (i = 1; i <= n; i++) {  
      for (j = 1; j <= m; j++) {  
         clear(acc);  
         for(k = 1; k <= l; k++) {  
            mul(tmp, rep(A(i,k)), rep(B(k,j)));  
            add(acc, acc, tmp);  
         }  
         conv(X(i,j), acc);  
      }  
   }  
}  
开发者ID:av-elier,项目名称:fast-exponentiation-algs,代码行数:25,代码来源:mat_ZZ_pE.c


示例2: power

void power(mat_ZZ_pE& X, const mat_ZZ_pE& A, const ZZ& e)
{
   if (A.NumRows() != A.NumCols()) Error("power: non-square matrix");

   if (e == 0) {
      ident(X, A.NumRows());
      return;
   }

   mat_ZZ_pE T1, T2;
   long i, k;

   k = NumBits(e);
   T1 = A;

   for (i = k-2; i >= 0; i--) {
      sqr(T2, T1);
      if (bit(e, i))
         mul(T1, T2, A);
      else
         T1 = T2;
   }

   if (e < 0)
      inv(X, T1);
   else
      X = T1;
}
开发者ID:av-elier,项目名称:fast-exponentiation-algs,代码行数:28,代码来源:mat_ZZ_pE.c


示例3: transpose

void transpose(mat_ZZ_pE& X, const mat_ZZ_pE& A)
{
   long n = A.NumRows();
   long m = A.NumCols();

   long i, j;

   if (&X == & A) {
      if (n == m)
         for (i = 1; i <= n; i++)
            for (j = i+1; j <= n; j++)
               swap(X(i, j), X(j, i));
      else {
         mat_ZZ_pE tmp;
         tmp.SetDims(m, n);
         for (i = 1; i <= n; i++)
            for (j = 1; j <= m; j++)
               tmp(j, i) = A(i, j);
         X.kill();
         X = tmp;
      }
   }
   else {
      X.SetDims(m, n);
      for (i = 1; i <= n; i++)
         for (j = 1; j <= m; j++)
            X(j, i) = A(i, j);
   }
}
开发者ID:av-elier,项目名称:fast-exponentiation-algs,代码行数:29,代码来源:mat_ZZ_pE.c


示例4: negate

void negate(mat_ZZ_pE& X, const mat_ZZ_pE& A)  
{  
   long n = A.NumRows();  
   long m = A.NumCols();  
  
  
   X.SetDims(n, m);  
  
   long i, j;  
   for (i = 1; i <= n; i++)  
      for (j = 1; j <= m; j++)  
         negate(X(i,j), A(i,j));  
}  
开发者ID:av-elier,项目名称:fast-exponentiation-algs,代码行数:13,代码来源:mat_ZZ_pE.c


示例5: mul

void mul(mat_ZZ_pE& X, const mat_ZZ_pE& A, const ZZ_pE& b_in)
{
   ZZ_pE b = b_in;
   long n = A.NumRows();
   long m = A.NumCols();

   X.SetDims(n, m);

   long i, j;
   for (i = 0; i < n; i++)
      for (j = 0; j < m; j++)
         mul(X[i][j], A[i][j], b);
}
开发者ID:av-elier,项目名称:fast-exponentiation-algs,代码行数:13,代码来源:mat_ZZ_pE.c


示例6: sub

void sub(mat_ZZ_pE& X, const mat_ZZ_pE& A, const mat_ZZ_pE& B)  
{  
   long n = A.NumRows();  
   long m = A.NumCols();  
  
   if (B.NumRows() != n || B.NumCols() != m)  
      Error("matrix sub: dimension mismatch");  
  
   X.SetDims(n, m);  
  
   long i, j;  
   for (i = 1; i <= n; i++)  
      for (j = 1; j <= m; j++)  
         sub(X(i,j), A(i,j), B(i,j));  
}  
开发者ID:av-elier,项目名称:fast-exponentiation-algs,代码行数:15,代码来源:mat_ZZ_pE.c


示例7: clear

void clear(mat_ZZ_pE& x)
{
   long n = x.NumRows();
   long i;
   for (i = 0; i < n; i++)
      clear(x[i]);
}
开发者ID:av-elier,项目名称:fast-exponentiation-algs,代码行数:7,代码来源:mat_ZZ_pE.c


示例8: IsDiag

long IsDiag(const mat_ZZ_pE& A, long n, const ZZ_pE& d)
{
   if (A.NumRows() != n || A.NumCols() != n)
      return 0;

   long i, j;

   for (i = 1; i <= n; i++)
      for (j = 1; j <= n; j++)
         if (i != j) {
            if (!IsZero(A(i, j))) return 0;
         }
         else {
            if (A(i, j) != d) return 0;
         }

   return 1;
}
开发者ID:av-elier,项目名称:fast-exponentiation-algs,代码行数:18,代码来源:mat_ZZ_pE.c


示例9: add

NTL_START_IMPL

  
void add(mat_ZZ_pE& X, const mat_ZZ_pE& A, const mat_ZZ_pE& B)  
{  
   long n = A.NumRows();  
   long m = A.NumCols();  
  
   if (B.NumRows() != n || B.NumCols() != m)   
      LogicError("matrix add: dimension mismatch");  
  
   X.SetDims(n, m);  
  
   long i, j;  
   for (i = 1; i <= n; i++)   
      for (j = 1; j <= m; j++)  
         add(X(i,j), A(i,j), B(i,j));  
}  
开发者ID:kenjinote,项目名称:NTLSample,代码行数:18,代码来源:mat_ZZ_pE.cpp


示例10: IsZero

long IsZero(const mat_ZZ_pE& a)
{
   long n = a.NumRows();
   long i;

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

   return 1;
}
开发者ID:av-elier,项目名称:fast-exponentiation-algs,代码行数:11,代码来源:mat_ZZ_pE.c


示例11: ident

void ident(mat_ZZ_pE& X, long n)  
{  
   X.SetDims(n, n);  
   long i, j;  
  
   for (i = 1; i <= n; i++)  
      for (j = 1; j <= n; j++)  
         if (i == j)  
            set(X(i, j));  
         else  
            clear(X(i, j));  
} 
开发者ID:av-elier,项目名称:fast-exponentiation-algs,代码行数:12,代码来源:mat_ZZ_pE.c


示例12: diag

void diag(mat_ZZ_pE& X, long n, const ZZ_pE& d_in)  
{  
   ZZ_pE d = d_in;
   X.SetDims(n, n);  
   long i, j;  
  
   for (i = 1; i <= n; i++)  
      for (j = 1; j <= n; j++)  
         if (i == j)  
            X(i, j) = d;  
         else  
            clear(X(i, j));  
} 
开发者ID:av-elier,项目名称:fast-exponentiation-algs,代码行数:13,代码来源:mat_ZZ_pE.c


示例13: inv

void inv(ZZ_pE& d, mat_ZZ_pE& X, const mat_ZZ_pE& A)
{
   long n = A.NumRows();
   if (A.NumCols() != n)
      Error("inv: nonsquare matrix");

   if (n == 0) {
      set(d);
      X.SetDims(0, 0);
      return;
   }

   long i, j, k, pos;
   ZZ_pX t1, t2;
   ZZ_pX *x, *y;

   const ZZ_pXModulus& p = ZZ_pE::modulus();


   vec_ZZ_pX *M = NTL_NEW_OP vec_ZZ_pX[n];

   for (i = 0; i < n; i++) {
      M[i].SetLength(2*n);
      for (j = 0; j < n; j++) {
         M[i][j].rep.SetMaxLength(2*deg(p)-1);
         M[i][j] = rep(A[i][j]);
         M[i][n+j].rep.SetMaxLength(2*deg(p)-1);
         clear(M[i][n+j]);
      }
      set(M[i][n+i]);
   }

   ZZ_pX det;
   set(det);

   for (k = 0; k < n; k++) {
      pos = -1;
      for (i = k; i < n; i++) {
         rem(t1, M[i][k], p);
         M[i][k] = t1;
         if (pos == -1 && !IsZero(t1)) {
            pos = i;
         }
      }

      if (pos != -1) {
         if (k != pos) {
            swap(M[pos], M[k]);
            negate(det, det);
         }

         MulMod(det, det, M[k][k], p);

         // make M[k, k] == -1 mod p, and make row k reduced

         InvMod(t1, M[k][k], p);
         negate(t1, t1);
         for (j = k+1; j < 2*n; j++) {
            rem(t2, M[k][j], p);
            MulMod(M[k][j], t2, t1, p);
         }

         for (i = k+1; i < n; i++) {
            // M[i] = M[i] + M[k]*M[i,k]

            t1 = M[i][k];   // this is already reduced

            x = M[i].elts() + (k+1);
            y = M[k].elts() + (k+1);

            for (j = k+1; j < 2*n; j++, x++, y++) {
               // *x = *x + (*y)*t1

               mul(t2, *y, t1);
               add(*x, *x, t2);
            }
         }
      }
      else {
         clear(d);
         goto done;
      }
   }

   X.SetDims(n, n);
   for (k = 0; k < n; k++) {
      for (i = n-1; i >= 0; i--) {
         clear(t1);
         for (j = i+1; j < n; j++) {
            mul(t2, rep(X[j][k]), M[i][j]);
            add(t1, t1, t2);
         }
         sub(t1, t1, M[i][n+k]);
         conv(X[i][k], t1);
      }
   }

   conv(d, det);

done:
//.........这里部分代码省略.........
开发者ID:av-elier,项目名称:fast-exponentiation-algs,代码行数:101,代码来源:mat_ZZ_pE.c


示例14: gauss

long gauss(mat_ZZ_pE& M)
{
   return gauss(M, M.NumCols());
}
开发者ID:av-elier,项目名称:fast-exponentiation-algs,代码行数:4,代码来源:mat_ZZ_pE.c


示例15: determinant

void determinant(ZZ_pE& d, const mat_ZZ_pE& M_in)
{
   long k, n;
   long i, j;
   long pos;
   ZZ_pX t1, t2;
   ZZ_pX *x, *y;

   const ZZ_pXModulus& p = ZZ_pE::modulus();

   n = M_in.NumRows();

   if (M_in.NumCols() != n)
      Error("determinant: nonsquare matrix");

   if (n == 0) {
      set(d);
      return;
   }

   vec_ZZ_pX *M = NTL_NEW_OP vec_ZZ_pX[n];

   for (i = 0; i < n; i++) {
      M[i].SetLength(n);
      for (j = 0; j < n; j++) {
         M[i][j].rep.SetMaxLength(2*deg(p)-1);
         M[i][j] = rep(M_in[i][j]);
      }
   }

   ZZ_pX det;
   set(det);

   for (k = 0; k < n; k++) {
      pos = -1;
      for (i = k; i < n; i++) {
         rem(t1, M[i][k], p);
         M[i][k] = t1;
         if (pos == -1 && !IsZero(t1))
            pos = i;
      }

      if (pos != -1) {
         if (k != pos) {
            swap(M[pos], M[k]);
            negate(det, det);
         }

         MulMod(det, det, M[k][k], p);

         // make M[k, k] == -1 mod p, and make row k reduced

         InvMod(t1, M[k][k], p);
         negate(t1, t1);
         for (j = k+1; j < n; j++) {
            rem(t2, M[k][j], p);
            MulMod(M[k][j], t2, t1, p);
         }

         for (i = k+1; i < n; i++) {
            // M[i] = M[i] + M[k]*M[i,k]

            t1 = M[i][k];   // this is already reduced

            x = M[i].elts() + (k+1);
            y = M[k].elts() + (k+1);

            for (j = k+1; j < n; j++, x++, y++) {
               // *x = *x + (*y)*t1

               mul(t2, *y, t1);
               add(*x, *x, t2);
            }
         }
      }
      else {
         clear(d);
         goto done;
      }
   }

   conv(d, det);

done:
   delete[] M;
}
开发者ID:av-elier,项目名称:fast-exponentiation-algs,代码行数:86,代码来源:mat_ZZ_pE.c


示例16: kernel

void kernel(mat_ZZ_pE& X, const mat_ZZ_pE& A)
{
   long m = A.NumRows();
   long n = A.NumCols();

   mat_ZZ_pE M;
   long r;

   transpose(M, A);
   r = gauss(M);

   X.SetDims(m-r, m);

   long i, j, k, s;
   ZZ_pX t1, t2;

   ZZ_pE T3;

   vec_long D;
   D.SetLength(m);
   for (j = 0; j < m; j++) D[j] = -1;

   vec_ZZ_pE inverses;
   inverses.SetLength(m);

   j = -1;
   for (i = 0; i < r; i++) {
      do {
         j++;
      } while (IsZero(M[i][j]));

      D[j] = i;
      inv(inverses[j], M[i][j]); 
   }

   for (k = 0; k < m-r; k++) {
      vec_ZZ_pE& v = X[k];
      long pos = 0;
      for (j = m-1; j >= 0; j--) {
         if (D[j] == -1) {
            if (pos == k)
               set(v[j]);
            else
               clear(v[j]);
            pos++;
         }
         else {
            i = D[j];

            clear(t1);

            for (s = j+1; s < m; s++) {
               mul(t2, rep(v[s]), rep(M[i][s]));
               add(t1, t1, t2);
            }

            conv(T3, t1);
            mul(T3, T3, inverses[j]);
            negate(v[j], T3);
         }
      }
   }
}
开发者ID:av-elier,项目名称:fast-exponentiation-algs,代码行数:63,代码来源:mat_ZZ_pE.c


示例17: solve_impl

static
void solve_impl(ZZ_pE& d, vec_ZZ_pE& X, const mat_ZZ_pE& A, const vec_ZZ_pE& b, bool trans)

{
   long n = A.NumRows();
   if (A.NumCols() != n)
      LogicError("solve: nonsquare matrix");

   if (b.length() != n)
      LogicError("solve: dimension mismatch");

   if (n == 0) {
      set(d);
      X.SetLength(0);
      return;
   }

   long i, j, k, pos;
   ZZ_pX t1, t2;
   ZZ_pX *x, *y;

   const ZZ_pXModulus& p = ZZ_pE::modulus();

   UniqueArray<vec_ZZ_pX> M_store;
   M_store.SetLength(n);
   vec_ZZ_pX *M = M_store.get();

   for (i = 0; i < n; i++) {
      M[i].SetLength(n+1);
      if (trans) {
	 for (j = 0; j < n; j++) {
	    M[i][j].rep.SetMaxLength(2*deg(p)-1);
	    M[i][j] = rep(A[j][i]);
	 }
      }
      else {
	 for (j = 0; j < n; j++) {
	    M[i][j].rep.SetMaxLength(2*deg(p)-1);
	    M[i][j] = rep(A[i][j]);
	 }
      }
      M[i][n].rep.SetMaxLength(2*deg(p)-1);
      M[i][n] = rep(b[i]);
   }

   ZZ_pX det;
   set(det);

   for (k = 0; k < n; k++) {
      pos = -1;
      for (i = k; i < n; i++) {
         rem(t1, M[i][k], p);
         M[i][k] = t1;
         if (pos == -1 && !IsZero(t1)) {
            pos = i;
         }
      }

      if (pos != -1) {
         if (k != pos) {
            swap(M[pos], M[k]);
            negate(det, det);
         }

         MulMod(det, det, M[k][k], p);

         // make M[k, k] == -1 mod p, and make row k reduced

         InvMod(t1, M[k][k], p);
         negate(t1, t1);
         for (j = k+1; j <= n; j++) {
            rem(t2, M[k][j], p);
            MulMod(M[k][j], t2, t1, p);
         }

         for (i = k+1; i < n; i++) {
            // M[i] = M[i] + M[k]*M[i,k]

            t1 = M[i][k];   // this is already reduced

            x = M[i].elts() + (k+1);
            y = M[k].elts() + (k+1);

            for (j = k+1; j <= n; j++, x++, y++) {
               // *x = *x + (*y)*t1

               mul(t2, *y, t1);
               add(*x, *x, t2);
            }
         }
      }
      else {
         clear(d);
         return;
      }
   }

   X.SetLength(n);
   for (i = n-1; i >= 0; i--) {
      clear(t1);
//.........这里部分代码省略.........
开发者ID:kenjinote,项目名称:NTLSample,代码行数:101,代码来源:mat_ZZ_pE.cpp



注:本文中的mat_ZZ_pE类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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