| 74 |
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class Polynomial { |
| 75 |
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| 76 |
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public: |
| 77 |
< |
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| 77 |
> |
typedef Polynomial<ElemType> PolynomialType; |
| 78 |
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typedef int ExponentType; |
| 79 |
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typedef ElemType CoefficientType; |
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typedef std::map<ExponentType, CoefficientType> PolynomialPairMap; |
| 81 |
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typedef typename PolynomialPairMap::iterator iterator; |
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typedef typename PolynomialPairMap::const_iterator const_iterator; |
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+ |
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| 84 |
+ |
Polynomial() {} |
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+ |
Polynomial(ElemType v) {setCoefficient(0, v);} |
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/** |
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* Calculates the value of this Polynomial evaluated at the given x value. |
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* @return The value of this Polynomial evaluates at the given x value |
| 188 |
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size_t size() { |
| 189 |
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return polyPairMap_.size(); |
| 190 |
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} |
| 191 |
< |
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| 191 |
> |
|
| 192 |
> |
PolynomialType& operator += (const PolynomialType& p) { |
| 193 |
> |
typename Polynomial<ElemType>::const_iterator i; |
| 194 |
> |
|
| 195 |
> |
for (i = p.begin(); i != p.end(); ++i) { |
| 196 |
> |
this->addCoefficient(i->first, i->second); |
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> |
} |
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> |
|
| 199 |
> |
return *this; |
| 200 |
> |
} |
| 201 |
> |
|
| 202 |
> |
PolynomialType& operator -= (const PolynomialType& p) { |
| 203 |
> |
typename Polynomial<ElemType>::const_iterator i; |
| 204 |
> |
for (i = p.begin(); i != p.end(); ++i) { |
| 205 |
> |
this->addCoefficient(i->first, -i->second); |
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> |
} |
| 207 |
> |
} |
| 208 |
> |
|
| 209 |
> |
PolynomialType& operator *= (const PolynomialType& p) { |
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> |
typename Polynomial<ElemType>::const_iterator i; |
| 211 |
> |
typename Polynomial<ElemType>::const_iterator j; |
| 212 |
> |
|
| 213 |
> |
for (i = this->begin(); i !=this->end(); ++i) { |
| 214 |
> |
for (j = p.begin(); j !=p.end(); ++j) { |
| 215 |
> |
this->addCoefficient( i->first + j->first, i->second * j->second); |
| 216 |
> |
} |
| 217 |
> |
} |
| 218 |
> |
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| 219 |
> |
return *this; |
| 220 |
> |
} |
| 221 |
> |
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| 222 |
> |
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| 223 |
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private: |
| 224 |
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| 225 |
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PolynomialPairMap polyPairMap_; |
