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tensor3 - a third order tensor

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NAME

tensor3 - a third order tensor

SYNOPSYS

The tensor3 class defines a fourth tensor where indices varie from zero to 2 (aka 3D physical space).

IMPLEMENTATION

template<class T>
class tensor3_basic {
public:
typedef size_t size_type; typedef T element_type; typedef T float_type;
// allocators:
tensor3_basic (const T& init_val = 0); tensor3_basic (const tensor3_basic<T>& a);
// affectation:
tensor3_basic<T>& operator= (const tensor3_basic<T>& a); tensor3_basic<T>& operator= (const T& val);
// accessors:
T& operator()(size_type i, size_type j, size_type k); const T& operator()(size_type i, size_type j, size_type k) const;
// algebra tensor3_basic<T>& operator*= (const T& k); tensor3_basic<T>& operator/= (const T& k) { return operator*= (1./k); } tensor3_basic<T> operator* (const T& k) const; tensor3_basic<T> operator/ (const T& k) const; tensor_basic<T> operator* (const point_basic<T>& v) const; tensor3_basic<T> operator* (const tensor_basic<T>& b) const; tensor3_basic<T> operator+ (const tensor3_basic<T>& b) const; tensor3_basic<T> operator- (const tensor3_basic<T>& b) const;
// inputs/outputs:
std::ostream& put (std::ostream& s, size_type d = 3) const; std::istream& get (std::istream&);
// data: protected: T _x [3][3][3]; }; typedef tensor3_basic<Float> tensor3;
 
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