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4.5.2 intvec expressions

An intvec expression is:

  1. a range: int expression .. int expression
  2. a function returning intvec
  3. intvec operations with int (+, -, *, /, %)
  4. intvec operations (+, -)
  5. intvec operation with intmat (*)
  6. a type cast to intvec


Example:
 
  intvec v=-1,2;
  intvec w=v,v;         // concatenation
  w;
==> -1,2,-1,2
  w = -2..2,v,1;
  w;
==> -2,-1,0,1,2,-1,2,1
  intmat m[3][2] = 0,1,2,-2,3,1;
  m*v;
==> 2,-6,-1
  typeof(_);
==> intvec
  v = intvec(m);
  v;
==> 0,1,2,-2,3,1
  ring r;
  poly f = x2z + 2xy-z;
  f;
==> x2z+2xy-z
  v = leadexp(f);
  v;
==> 2,0,1


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