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NumVector.java

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package symjava.numeric;

import java.util.Iterator;

import java.util.Vector;

import symjava.bytecode.BytecodeFunc;

import symjava.matrix.SymVector;

import symjava.symbolic.Expr;

import symjava.symbolic.Func;

import symjava.symbolic.Expr;

public class NumVector implements Iterable<BytecodeFunc> {

Vector<BytecodeFunc> data = new Vector<BytecodeFunc>();

public NumVector() {

}

public NumVector(int size) {

data.setSize(size);

}

public NumVector(SymVector sv, Expr[] args) {

int n = sv.dim();

data.setSize(n);

for(int j=0; j<n; j++) {

Expr e = sv.get(j);

if(e == null)

continue;

Func func = null;

if(sv.get(j) instanceof Func) {

func = (Func)e;

} else {

func = new Func(this.getClass().getSimpleName()+java.util.UUID.randomUUID().toString().replaceAll("-", "")+"_"+j,e);

func.args = args;

//System.out.println(func.getLabel());

}

data.set(j, func.toBytecodeFunc());

}

}

public BytecodeFunc get(int i) {

return data.get(i);

}

public void set(int i, BytecodeFunc func) {

data.set(i, func);

}

public void add(BytecodeFunc e) {

data.add(e);

}

public int dim() {

return data.size();

}

public double[] eval(double ...args) {

int m = dim();

double[] rlt = new double[m];

for(int i=0; i<m; i++) {

rlt[i] = data.get(i).apply(args);

}

return rlt;

}

@Override

public Iterator<BytecodeFunc> iterator() {

return data.iterator();

}

}