80 : f(*this,4,-20,20), step(0.1) {
87 rel(*
this, theta >= 0);
90 rel(*
this, r*
cos(theta) == x);
91 rel(*
this, r*
sin(theta) == y);
92 rel(*
this, r == theta);
98 :
Script(share,p), step(p.step) {
108 rel(*
this, f[0] >= (b.
f[0].max()+
step));
111 virtual void print(std::ostream& os)
const {
112 os <<
"XY " << f[1].med() <<
" " << f[2].med()
121 int main(
int argc,
char* argv[]) {
123 opt.
parse(argc,argv);
125 Script::run<ArchimedeanSpiral,BAB,Options>(
opt);
const Gecode::FloatNum step
int main(int argc, char *argv[])
Main-function.
FloatVarArray f
The numbers.
Parametric base-class for scripts.
void update(Space &, bool share, VarArray< Var > &a)
Update array to be a clone of array a.
virtual void print(std::ostream &os) const
Print solution coordinates.
int p
Number of positive literals for node type.
ArchimedeanSpiral(const Options &)
Actual model.
FloatValBranch FLOAT_VAL_SPLIT_MIN(void)
Select values not greater than mean of smallest and largest value.
ArchimedeanSpiral(bool share, ArchimedeanSpiral &p)
Constructor for cloning p.
static FloatVal pi(void)
Return lower bound of .
FloatNum step
Minimum distance between two solutions.
virtual Space * copy(bool share)
Copy during cloning.
void parse(int &argc, char *argv[])
Parse options from arguments argv (number is argc)
void cos(Home home, FloatVar x0, FloatVar x1)
Post propagator for .
Node * x
Pointer to corresponding Boolean expression node.
void rel(Home home, FloatVar x0, FloatRelType frt, FloatVal n)
Propagates .
void solutions(unsigned int n)
Set default number of solutions to search for.
Example: Archimedean spiral
struct Gecode::@518::NNF::@57::@58 b
For binary nodes (and, or, eqv)
Gecode toplevel namespace
void sin(Home home, FloatVar x0, FloatVar x1)
Post propagator for .
BrancherHandle branch(Home home, const FloatVarArgs &x, FloatVarBranch vars, FloatValBranch vals, FloatBranchFilter bf, FloatVarValPrint vvp)
Branch over x with variable selection vars and value selection vals.
virtual void constrain(const Space &_b)
Add constraint to current model to get next solution (not too close)
double FloatNum
Floating point number base type.