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Polymorphic clone for CRT Pattern in templates (basically a static_cast for concrete initializations of template class)

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This commit is contained in:
Klaus Basan
2013-04-27 17:18:32 +02:00
parent b257862aac
commit c97ddc4e3b
8 changed files with 248 additions and 244 deletions
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61
src/blackmisc/mathvector3dbase.h
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@@ -21,7 +21,7 @@ class CMatrix3x1; // forward declaration
/*!
* \brief 3D vector base (x, y, z)
*/
template <class ImplClass> class CVector3DBase : public CBaseStreamStringifier<ImplClass>
template <class ImplVector> class CVector3DBase : public CBaseStreamStringifier<ImplVector>
{
protected:
@@ -61,6 +61,16 @@ protected:
*/
virtual QString stringForConverter() const;
/*!
* \brief Clone as concrete implementation
* \return
*/
ImplVector clone() const
{
return static_cast<ImplVector const &>(*this);
}
public:
// getter and setters are implemented in the derived classes
@@ -90,7 +100,7 @@ public:
*/
bool isZeroEpsilon() const
{
ImplClass v;
ImplVector v;
v += (*this);
v.round();
return v.isZero();
@@ -186,10 +196,9 @@ public:
* \param otherVector
* \return
*/
ImplClass operator +(const ImplClass &otherVector) const
ImplVector operator +(const ImplVector &otherVector) const
{
ImplClass v;
v += (*this);
ImplVector v = this->clone();
v += otherVector;
return v;
}
@@ -212,10 +221,9 @@ public:
* \param otherVector
* \return
*/
ImplClass operator -(const ImplClass &otherVector) const
ImplVector operator -(const ImplVector &otherVector) const
{
ImplClass v;
v += (*this);
ImplVector v = this->clone();
v -= otherVector;
return v;
}
@@ -238,10 +246,9 @@ public:
* \param otherVector
* \return
*/
ImplClass operator *(const ImplClass &otherVector) const
ImplVector operator *(const ImplVector &otherVector) const
{
ImplClass v;
v += (*this);
ImplVector v = this->clone();
v *= otherVector;
return v;
}
@@ -264,10 +271,9 @@ public:
* \param factor
* \return
*/
ImplClass operator *(double factor) const
ImplVector operator *(double factor) const
{
ImplClass v;
v += (*this);
ImplVector v = this->clone();
v *= factor;
return v;
}
@@ -278,7 +284,7 @@ public:
* \param otherVector
* \return
*/
friend ImplClass operator *(double factor, const ImplClass &otherVector)
friend ImplVector operator *(double factor, const ImplVector &otherVector)
{
return otherVector * factor;
}
@@ -301,10 +307,9 @@ public:
* \param divisor
* \return
*/
ImplClass operator /(double divisor) const
ImplVector operator /(double divisor) const
{
ImplClass v;
v += (*this);
ImplVector v = this->clone();
v /= divisor;
return v;
}
@@ -327,10 +332,9 @@ public:
* \param otherVector
* \return
*/
ImplClass operator /(const ImplClass &otherVector) const
ImplVector operator /(const ImplVector &otherVector) const
{
ImplClass v;
v += (*this);
ImplVector v = this->clone();
v /= otherVector;
return v;
}
@@ -340,14 +344,14 @@ public:
* \param otherVector
* \return
*/
double dotProduct(const ImplClass &otherVector) const;
double dotProduct(const ImplVector &otherVector) const;
/*!
* \brief Cross product
* \param otherVector
* \return
*/
ImplClass crossProduct(const ImplClass &otherVector) const;
ImplVector crossProduct(const ImplVector &otherVector) const;
/*!
* \brief Matrix * this vector
@@ -360,12 +364,9 @@ public:
* \brief Reciprocal value
* \return
*/
ImplClass reciprocalValues() const
ImplVector reciprocalValues() const
{
ImplClass v;
v.m_i = (1 / this->m_i);
v.m_j = (1 / this->m_j);
v.m_k = (1 / this->m_j);
ImplVector v(1 / this->m_i, 1 / this->m_j, 1 / this->m_j);
return v;
}
@@ -406,13 +407,13 @@ public:
* \brief Round this vector
* \return
*/
ImplClass &round()
ImplVector &round()
{
const double epsilon = 1E-10;
this->m_i = BlackMisc::Math::CMath::roundEpsilon(this->m_i, epsilon);
this->m_j = BlackMisc::Math::CMath::roundEpsilon(this->m_j, epsilon);
this->m_k = BlackMisc::Math::CMath::roundEpsilon(this->m_k, epsilon);
return static_cast<ImplClass &>(*this);
return static_cast<ImplVector &>(*this);
}
};