| 1 | import java.util.TreeMap; |
| 2 | import java.util.Map.Entry; |
| 3 | |
| 4 | class Variable extends Terme { |
| 5 | //TODO: TreeMap might look overkill |
| 6 | TreeMap<Integer, Double> v; |
| 7 | |
| 8 | Variable() { |
| 9 | v = new TreeMap<Integer, Double>(); |
| 10 | fill(-5.0, 5.0, 0.25); |
| 11 | } |
| 12 | |
| 13 | /** |
| 14 | * Fill the variable with a discret set of double values |
| 15 | * @param start starting double value |
| 16 | * @param end ending double value |
| 17 | * @param step looping step |
| 18 | */ |
| 19 | private void fill(double start, double end, double step) { |
| 20 | int i = 0; |
| 21 | for (double d = start; d <= end; d = d + step) { |
| 22 | v.put(i, d); |
| 23 | i++; |
| 24 | } |
| 25 | } |
| 26 | |
| 27 | public Entry<Integer, Double> getFirstEntry() { |
| 28 | return v.firstEntry(); |
| 29 | } |
| 30 | |
| 31 | public Integer size() { |
| 32 | return v.size(); |
| 33 | } |
| 34 | |
| 35 | public double evaluer() { |
| 36 | return v.pollFirstEntry().getValue(); |
| 37 | } |
| 38 | } |