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#ifndef Already_Included_DynamicArray
#define Already_Included_DynamicArray
#include <assert.h>
namespace omega {
template <class T> class DynamicArray2;
template <class T> class DynamicArray3;
template <class T> class DynamicArray4;
template <class T, int d> class DynamicArray
{
public:
DynamicArray(DynamicArray<T,d> &D);
~DynamicArray();
protected:
DynamicArray();
bool partial;
int *bounds;
T *elements;
void do_constr();
void do_destruct();
};
template <class T> class DynamicArray1 : public DynamicArray<T,1>
{
public:
DynamicArray1(const char *s0 = 0);
DynamicArray1(int d0);
void resize(int d0);
T& operator[](int d);
friend class DynamicArray2<T>;
private:
void do_construct(int d0);
};
template <class T> class DynamicArray2 : public DynamicArray<T,2>
{
public:
DynamicArray2(const char *s0 = 0, const char *s1 = 0);
DynamicArray2(int d0, int d1);
void resize(int d0, int d1);
DynamicArray1<T> operator[](int d);
friend class DynamicArray3<T>;
private:
void do_construct(int d0, int d1);
};
template <class T> class DynamicArray3 : public DynamicArray<T,3>
{
public:
DynamicArray3(const char *s0 = 0, const char *s1 = 0, const char *s2 = 0);
DynamicArray3(int d0, int d1, int d2);
void resize(int d0, int d1, int d2);
DynamicArray2<T> operator[](int d);
friend class DynamicArray4<T>;
private:
void do_construct(int d0, int d1, int d2);
};
template <class T> class DynamicArray4 : public DynamicArray<T,4>
{
public:
DynamicArray4(const char *s0 = 0, const char *s1 = 0, const char *s2 = 0, const char *s3 = 0);
DynamicArray4(int d0, int d1, int d2, int d3);
void resize(int d0, int d1, int d2, int d3);
DynamicArray3<T> operator[](int d);
private:
void do_construct(int d0, int d1, int d2, int d3);
};
} // namespace
#define instantiate_DynamicArray1(T) template class DynamicArray1<T>; \
template class DynamicArray<T,1>;
#define instantiate_DynamicArray2(T) template class DynamicArray2<T>; \
template class DynamicArray<T,2>; \
instantiate_DynamicArray1(T);
#define instantiate_DynamicArray3(T) template class DynamicArray3<T>; \
template class DynamicArray<T,3>; \
instantiate_DynamicArray2(T);
#define instantiate_DynamicArray4(T) template class DynamicArray4<T>; \
template class DynamicArray<T,4>; \
instantiate_DynamicArray3(T);
namespace omega {
template<class T, int d> void DynamicArray<T,d>::do_constr()
{
// #if ! defined SHUT_UP_ABOUT_STATEMENT_WITH_NO_EFFECT_IN_DYNAMIC_ARRAY_CREATION
// assert(d > 0);
// #endif
bounds = 0;
elements = 0;
partial = false;
}
template<class T> void DynamicArray1<T>::do_construct(int d0)
{
this->bounds = new int[1];
this->bounds[0] = d0;
this->elements = new T [d0];
this->partial = false;
}
template<class T> void DynamicArray2<T>::do_construct(int d0, int d1)
{
this->bounds = new int[2];
this->bounds[0] = d0;
this->bounds[1] = d1;
this->elements = new T [d0 * d1];
this->partial = false;
}
template<class T> void DynamicArray3<T>::do_construct(int d0,int d1,int d2)
{
this->bounds = new int[3];
this->bounds[0] = d0;
this->bounds[1] = d1;
this->bounds[2] = d2;
this->elements = new T [d0 * d1 * d2];
this->partial = false;
}
template<class T> void DynamicArray4<T>::do_construct(int d0,int d1,int d2,int d3)
{
this->bounds = new int[4];
this->bounds[0] = d0;
this->bounds[1] = d1;
this->bounds[2] = d2;
this->bounds[3] = d3;
this->elements = new T [d0 * d1 * d2 * d3];
this->partial = false;
}
template<class T, int d> DynamicArray<T,d>::DynamicArray()
{
do_constr();
}
template<class T> DynamicArray1<T>::DynamicArray1(const char *)
{
this->do_constr();
}
template<class T> DynamicArray2<T>::DynamicArray2(const char *,const char *)
{
this->do_constr();
}
template<class T> DynamicArray3<T>::DynamicArray3(const char *,const char *,const char *)
{
this->do_constr();
}
template<class T> DynamicArray4<T>::DynamicArray4(const char *,const char *,const char *,const char *)
{
this->do_constr();
}
template<class T> DynamicArray1<T>::DynamicArray1(int d0)
{
do_construct(d0);
}
template<class T> DynamicArray2<T>::DynamicArray2(int d0, int d1)
{
do_construct(d0, d1);
}
template<class T> DynamicArray3<T>::DynamicArray3(int d0,int d1,int d2)
{
do_construct(d0, d1, d2);
}
template<class T> DynamicArray4<T>::DynamicArray4(int d0,int d1,int d2,int d3)
{
do_construct(d0, d1, d2, d3);
}
template<class T, int d> void DynamicArray<T,d>::do_destruct()
{
if (! partial)
{
delete [] bounds;
delete [] elements;
}
}
template<class T, int d> DynamicArray<T,d>::~DynamicArray()
{
do_destruct();
}
template<class T> void DynamicArray1<T>::resize(int d0)
{
assert(!this->partial);
this->do_destruct();
if (d0 == 0)
this->do_constr();
else
do_construct(d0);
}
template<class T> void DynamicArray2<T>::resize(int d0, int d1)
{
assert(!this->partial);
this->do_destruct();
if (d0 == 0 && d1 == 0)
this->do_constr();
else
do_construct(d0, d1);
}
template<class T> void DynamicArray3<T>::resize(int d0, int d1, int d2)
{
assert(!this->partial);
this->do_destruct();
if (d0 == 0 && d1 == 0 && d2 == 0)
this->do_constr();
else
do_construct(d0, d1, d2);
}
template<class T> void DynamicArray4<T>::resize(int d0, int d1, int d2, int d3)
{
assert(!this->partial);
this->do_destruct();
if (d0 == 0 && d1 == 0 && d2 == 0 && d3 == 0)
this->do_constr();
else
do_construct(d0, d1, d2, d3);
}
template<class T> T& DynamicArray1<T>::operator[](int d0)
{
#if !defined (NDEBUG)
assert(this->elements != 0 && "Trying to dereference undefined array");
assert(0 <= d0 && d0 < this->bounds[0] && "Array subscript out of bounds");
#endif
return this->elements[d0];
}
template<class T> DynamicArray1<T> DynamicArray2<T>::operator[](int d0)
{
#if !defined (NDEBUG)
assert(this->elements != 0 && "Trying to dereference undefined array");
assert(0 <= d0 && d0 < this->bounds[0] && "Array subscript out of bounds");
#endif
DynamicArray1<T> result;
result.bounds = this->bounds+1;
result.elements = this->elements + this->bounds[1] * d0;
result.partial = true;
return result;
}
template<class T> DynamicArray2<T> DynamicArray3<T>::operator[](int d0)
{
#if !defined (NDEBUG)
assert(this->elements != 0 && "Trying to dereference undefined array");
assert(0 <= d0 && d0 < this->bounds[0] && "Array subscript out of bounds");
#endif
DynamicArray2<T> result;
result.bounds = this->bounds+1;
result.elements = this->elements + this->bounds[1] * this->bounds[2] * d0;
result.partial = true;
return result;
}
template<class T> DynamicArray3<T> DynamicArray4<T>::operator[](int d0)
{
#if !defined (NDEBUG)
assert(this->elements != 0 && "Trying to dereference undefined array");
assert(0 <= d0 && d0 < this->bounds[0] && "Array subscript out of bounds");
#endif
DynamicArray3<T> result;
result.bounds = this->bounds+1;
result.elements = this->elements + this->bounds[1] * this->bounds[2] * this->bounds[3] * d0;
result.partial = true;
return result;
}
template<class T, int d>
DynamicArray<T,d>::DynamicArray(DynamicArray<T,d> &D)
{
assert(D.elements != 0 && "Trying to copy an undefined array");
partial = true;
bounds = D.bounds;
elements = D.elements;
}
} // namespace
#endif
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