575 lines
22 KiB
C++
575 lines
22 KiB
C++
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// PPPPP H H EEEEE N N GGGGG L EEEEE III +
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// P P H H E NN N G L E I +
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// PPPPP HHHHH EEEEE N N N G GG L EEEEE I +
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// P H H E N N N G G L E I +
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// P H H EEEEE N N GGGGG LLLLL EEEEE III +
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//------------------------------------------------------------------------+
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// Platform for Hybrid Engineering Simulation of Flows +
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// China Aerodynamics Research and Development Center +
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// (C) Copyright, Since 2010 +
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//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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//! @file DataStruct_Array.h
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//! @brief PHArray defines a multidimensional array class. It is a template class.
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//! PHArray<T,N> refers to a N-dimensional T type array
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//! We can construct a multidimensional array by specify every dimension's length or range.
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//! The way of underlying data's storage follow the example of fortran,
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//! e.g. we can construct an 3d RDouble type array by length, PHArray<RDouble,3> array3d = PH<RDouble,3>(10, 20, 30)
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//! and access the i,j,k index data by operator(), i.e. array3d(i,j,k).
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//! The underlying data's memory storage sequence is from innermost(i) layer to outermost layer(k).
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//! So, if we loop over all the data, we recommend you loop from k to i, i.e for(k,...){for(j,...){for(i,...)}}}
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//! PHArray class also implement some other array's scalar operatation +=, -=, *=, /=, e.g. array1 *= 0.1.
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//! Some other set operator like =, +, -, *, /. We can directly use these operators to PHArray object
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//! e.g. dql(I, J, K, M) = MUSCLCoefXb * qr(I, J, K, M)
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//! @author He Xin, Zhang Jian, referred from Blitz.
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#pragma once
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#include <cstddef>
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#include <stdexcept>
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#include <stdlib.h>
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#include "PHSimpleArray.h"
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#include "PHStorage.h"
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#include "PHMemblock.h"
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#include "PHProduct.h"
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#include "PHETBase.h"
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#include "PHSlice.h" //! Sub-arrays and slicing.
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namespace PHSPACE
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{
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template < typename T, int N >
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class PHFastArrayIterator;
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template < typename T, int N >
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class PHArray : public MemoryBlockReference<T> , public PHETBase< PHArray<T,N> >
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{
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private:
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typedef MemoryBlockReference<T> T_base;
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using T_base::data_;
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using T_base::changeToNullBlock;
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using T_base::numReferences;
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GeneralArrayStorage<N> storage_;
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SimpleArray<int, N> length_;
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SimpleArray<int, N> stride_;
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int zeroOffset_;
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public:
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//! T_numtype is the numeric type stored in the array.
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typedef T T_numtype;
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//! T_index is a vector type which can be used to access elements
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//! of many-dimensional arrays.
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typedef SimpleArray<int, N> T_index;
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//! T_array is the array type itself -- Array<T_numtype, N_rank>.
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typedef PHArray<T, N> T_array;
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//! T_iterator is a a fast iterator for the array, used for expression.
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//! Templates.
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typedef PHFastArrayIterator<T, N> T_iterator;
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//! This array's dimension.
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static const int ranks = N;
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public:
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//! Create a reference of another array.
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PHArray(const PHArray<T, N> &array);
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//! Any missing length arguments will have their value taken from the
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//! last argument. For example,
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//! Array<int,3> A(32,64);
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//! will create a 32x64x64 array. This is handled by setupStorage().
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//! Construct an array by each dimension's length.
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PHArray(GeneralArrayStorage<N> storage = GeneralArrayStorage<N>());
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//! Construct an array by each dimension's length.
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explicit PHArray(int length0, GeneralArrayStorage<N> storage = GeneralArrayStorage<N>());
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//! Construct an array by each dimension's length.
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PHArray(int length0, int length1, GeneralArrayStorage<N> storage = GeneralArrayStorage<N>());
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//! Construct an array by each dimension's length.
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PHArray(int length0, int length1, int length2,
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GeneralArrayStorage<N> storage = GeneralArrayStorage<N>());
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//! Construct an array by each dimension's length.
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PHArray(int length0, int length1, int length2, int length3,
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GeneralArrayStorage<N> storage = GeneralArrayStorage<N>());
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//! Construct an array by each dimension's length.
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PHArray(int length0, int length1, int length2, int length3, int length4,
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GeneralArrayStorage<N> storage = GeneralArrayStorage<N>());
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//! This constructor takes an extent (length) vector and storage format.
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PHArray(const SimpleArray<int, N> &extent,
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GeneralArrayStorage<N> storage = GeneralArrayStorage<N>());
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//! This constructor takes a vector of bases (lbounds) and a vector of extents.
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PHArray(const SimpleArray<int, N> &lbounds,
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const SimpleArray<int, N> &extent,
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const GeneralArrayStorage<N> &storage = GeneralArrayStorage<N>());
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//! These constructors allow arbitrary bases (starting indices) to be set.
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//! e.g. Array<int,2> A(Range(10,20), Range(20,30))
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//! will create an 11x11 array whose indices are 10..20 and 20..30
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//! Construct an array by each dimension's range.
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PHArray(Range r0,
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GeneralArrayStorage<N> storage = GeneralArrayStorage<N>());
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//! Construct an array by each dimension's range.
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PHArray(Range r0, Range r1,
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GeneralArrayStorage<N> storage = GeneralArrayStorage<N>());
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//! Construct an array by each dimension's range.
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PHArray(Range r0, Range r1, Range r2,
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GeneralArrayStorage<N> storage = GeneralArrayStorage<N>());
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//! Construct an array by each dimension's range.
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PHArray(Range r0, Range r1, Range r2, Range r3,
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GeneralArrayStorage<N> storage = GeneralArrayStorage<N>());
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//! Construct an array by each dimension's range.
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PHArray(Range r0, Range r1, Range r2, Range r3, Range r4,
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GeneralArrayStorage<N> storage = GeneralArrayStorage<N>());
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//! Construct an array by each dimension's range.
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PHArray(Range r0, Range r1, Range r2, Range r3, Range r4, Range r5,
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GeneralArrayStorage<N> storage = GeneralArrayStorage<N>());
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//! Construct an array from an existing block of memory.
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PHArray(T *dataFirst,
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Range r0,
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preexistingMemoryPolicy deletionPolicy,
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GeneralArrayStorage<N> storage = GeneralArrayStorage<N>());
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//! Construct an array from an existing block of memory.
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PHArray(T *dataFirst,
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Range r0, Range r1,
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preexistingMemoryPolicy deletionPolicy,
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GeneralArrayStorage<N> storage = GeneralArrayStorage<N>());
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//! Construct an array from an existing block of memory.
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PHArray(T *dataFirst,
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Range r0, Range r1, Range r2,
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preexistingMemoryPolicy deletionPolicy,
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GeneralArrayStorage<N> storage = GeneralArrayStorage<N>());
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//! Construct an array from an existing block of memory.
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PHArray(T *dataFirst,
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Range r0, Range r1, Range r2, Range r3,
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preexistingMemoryPolicy deletionPolicy,
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GeneralArrayStorage<N> storage = GeneralArrayStorage<N>());
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//! Construct an array from an existing block of memory.
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PHArray(T *dataFirst,
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Range r0, Range r1, Range r2, Range r3, Range r4,
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preexistingMemoryPolicy deletionPolicy,
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GeneralArrayStorage<N> storage = GeneralArrayStorage<N>());
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//! These constructors construct an sub-array from another array.
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//! Construct an sub-array from another array.
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PHArray(PHArray<T, N> &array_in, Range r0);
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//! Construct an sub-array from another array.
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PHArray(PHArray<T, N> &array_in, Range r0, Range r1);
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//! Construct an sub-array from another array.
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PHArray(PHArray<T, N> &array_in, Range r0, Range r1, Range r2);
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//! Construct an sub-array from another array.
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PHArray(PHArray<T, N> &array_in, Range r0, Range r1, Range r2, Range r3);
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//! Construct an sub-array from another array.
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PHArray(PHArray<T, N> &array_in, Range r0, Range r1, Range r2, Range r3, Range r4);
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//! Construct an sub-array from another array.
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PHArray(PHArray<T, N> &array_in, Range r0, Range r1, Range r2, Range r3, Range r4, Range r5);
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//! Construct an sub-array from another array.
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PHArray(PHArray<T, N> &array_in, Range r0, Range r1, Range r2, Range r3, Range r4, Range r5, Range r6);
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//! This constructor is invoked by the operator()'s which take
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//! a combination of integer and Range arguments.
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//! It's not intended for end-user use.
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template < int N2, typename gasConstant, typename R1, typename R2, typename R3, typename R4,
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typename R5, typename R6, typename R7, typename R8, typename R9, typename R10 >
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PHArray(PHArray<T, N2> &array_in, gasConstant r0, R1 r1, R2 r2,
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R3 r3, R4 r4, R5 r5, R6 r6, R7 r7, R8 r8, R9 r9, R10 r10);
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public:
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//! operator() functions:
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//! Return constant reference to array[i0].
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const T &operator()(int i0) const;
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//! Return reference to array[i0].
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T & operator()(int i0);
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//! Return constant reference to array[i0][i1].
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const T & operator()(int i0, int i1) const;
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//! Return reference to array[i0][i1].
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T & operator()(int i0, int i1);
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//! Return constant reference to array[i0][i1][i2].
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const T & operator()(int i0, int i1, int i2) const;
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//! Return reference to array[i0][i1][i2].
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T & operator()(int i0, int i1, int i2);
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//! Return constant reference to array[i0][i1][i2][i3].
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const T & operator()(int i0, int i1, int i2, int i3) const;
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//! Return reference to array[i0][i1][i2][i3].
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T & operator()(int i0, int i1, int i2, int i3);
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//! Return constant reference to array[i0][i1][i2][i3][i4].
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const T & operator()(int i0, int i1, int i2, int i3, int i4) const;
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//! Return reference to array[i0][i1][i2][i3][i4].
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T & operator()(int i0, int i1, int i2, int i3, int i4);
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//! UGKS.
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//! Return constant reference to array[i0][i1][i2][i3][i4][i5].
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const T & operator()(int i0, int i1, int i2, int i3, int i4, int i5) const;
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//! UGKS.
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//! Return reference to array[i0][i1][i2][i3][i4][i5]
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T & operator()(int i0, int i1, int i2, int i3, int i4,int i5);
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//! Return constant reference to underlying data storage at index i,
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//! ie. data_[i].
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const T & operator[](int i) const;
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//! Return reference to underlying data storage at index i,
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//! ie. data_[i].
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T & operator[](int i);
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//! Return const reference to underlying data stored by an index array.
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//! e.g index = (10, 20), calculate offset = stride_[0]*10+stride_[1]*20
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//! then returns data_[offset].
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template<int N_rank2>
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const T & operator()(const SimpleArray<int, N_rank2> &index) const;
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//! Return reference to underlying data stored by an index array.
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//! e.g index = (10, 20), calculate offset = stride_[0]*10+stride_[1]*20
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//! then returns data_[offset].
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template<int N_rank2>
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T & operator()(const SimpleArray<int, N_rank2> &index);
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//! These constructors construct an sub-array from this array self.
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//! Construct an sub-array from this array self by offering a range.
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T_array operator()(Range r0) const;
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//! Construct an sub-array from this array self by offering a range.
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T_array operator()(Range r0, Range r1) const;
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//! Construct an sub-array from this array self by offering a range.
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T_array operator()(Range r0, Range r1, Range r2) const;
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//! Construct an sub-array from this array self by offering a range.
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T_array operator()(Range r0, Range r1, Range r2, Range r3) const;
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//! Construct an sub-array from this array self by offering a range.
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T_array operator()(Range r0, Range r1, Range r2, Range r3, Range r4) const;
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//! Construct an sub-array from this array self by offering a range.
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T_array operator()(Range r0, Range r1, Range r2, Range r3, Range r4, Range r5) const;
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//! Construct an sub-array from this array self by offering a range.
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T_array operator()(Range r0, Range r1, Range r2, Range r3, Range r4, Range r5, Range r6) const;
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//! After calling slice(int rank, Range r), the array refers only to the
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//! range r of the original array.
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//! e.g. Array<int,1> x(100);
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//! x.slice(firstRank, Range(25,50));
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//! x = 0; //! Sets elements 25..50 of the original array to 0.
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template < typename T1, typename T2 >
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typename PHSliceInfo<T, T1, T2>::T_slice operator()(T1 r1, T2 r2) const;
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template < typename T1, typename T2, typename T3 >
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typename PHSliceInfo<T, T1, T2, T3>::T_slice operator()(T1 r1, T2 r2, T3 r3) const;
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template < typename T1, typename T2, typename T3, typename T4 >
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typename PHSliceInfo<T, T1, T2, T3, T4>::T_slice operator()(T1 r1, T2 r2, T3 r3, T4 r4) const;
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template < typename T1, typename T2, typename T3, typename T4, typename T5 >
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typename PHSliceInfo<T, T1, T2, T3, T4, T5>::T_slice operator()(T1 r1, T2 r2, T3 r3, T4 r4, T5 r5) const;
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template < typename T1, typename T2, typename T3, typename T4, typename T5, typename T6 >
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typename PHSliceInfo<T, T1, T2, T3, T4, T5, T6>::T_slice operator()(T1 r1, T2 r2, T3 r3, T4 r4, T5 r5, T6 r6) const;
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//! Array expression operands.
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//! Scalar operand.
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//! NEEDS_WORK : need a precondition check on.
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//! isStorageContiguous when operator, is used.
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T_array & operator=(T x);
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//! operator = expr
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template<typename T_expr>
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T_array & operator = (const PHETBase<T_expr> &expr);
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//! operator = PHArray<T,N>
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T_array & operator = (const PHArray<T, N> &rhs);
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//! operator +=
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template<typename T_expr> T_array & operator += (const T_expr &expr);
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//! operator -=
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template<typename T_expr> T_array & operator -= (const T_expr &expr);
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//! operator *=
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template<typename T_expr> T_array & operator *= (const T_expr &expr);
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//! operator /=
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template<typename T_expr> T_array & operator /= (const T_expr &expr);
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//! Member functions.
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//! Return index relative to data_, ie. data_[index].
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//! index = i0 * stride_[0] + i1 * stride_[1] + i2 * stride_[2] + i3 * stride_[3].
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int getindex(int i0, int i1, int i2, int i3) const;
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//! Return the rank dimension's lower bound, ie. range's first index, equals base_[rank].
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int lbound(int rank) const;
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//! Return the rank dimension's upper bound, ie. range's last index, equals base_[rank]+length_[rank]-1.
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int ubound(int rank) const;
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//! Return the array storing lbound, ie. base_.
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SimpleArray<int, N> lbound() const;
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//! Return the rank dimension's length, ig length_[rank]
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int length(int rank) const;
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//! Return the array storing length_.
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const SimpleArray<int, N> & length() const;
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//! Return the array storing base_.
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//! base_ is each dimension's lower bound.
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const SimpleArray<int, N> & base() const;
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//! Return the rank dimension's base, ie. base_[rank].
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int base(int rank) const;
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//! Return the rank dimension's stride, ie. stride_[rank].
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int stride(int rank) const;
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//! Total number of elements in this array.
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int numElements() const;
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//! data_ always refers to the point (0,0,...,0) which may
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//! not be in the array if the base is not zero in each rank.
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//! These data() routines return a pointer to the first
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//! element in the array (but note that it may not be
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//! stored first in memory if some ranks are stored descending).
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const T * data() const;
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//! data() is the location of the first data member,that is the location of the base.
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//! The base array starting subscript of each dimension,ri.first().
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//! It is especially important for slice.
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//! After slice, the first data point actually is (ifirst, jfirst, ...).
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//! The actual location is data_ + dataOffset().
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T * data();
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//! Judge whether the array's outer dimension's stride equals sum of inner dimension's stride.
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//! eg. if outerRank =3 and innerRank =2 , returns true if stride[3] == stride[2]*length[2], otherwise, returns false
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bool canCollapse(int outerRank, int innerRank) const;
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//! Return the PHFastArrayIterator of this array.
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//! It's not intended for end-user use.
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T_iterator beginFast() const;
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//! Return storage_.ordering(storageRankIndex).
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//! It's not intended for end-user use.
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int ordering(int storageRankIndex) const;
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//! Return storage_.ordering().
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//! It's not intended for end-user use.
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const SimpleArray<int, N> & ordering() const;
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//! True if storage_.ordering(rank) == 0.
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//! It's not intended for end-user use.
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bool isMajorRank(int rank) const;
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//! True if storage_.ordering(rank) != 0.
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//! It's not intended for end-user use.
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bool isMinorRank(int rank) const;
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//! Call storage_.isRankStoredAscending(rank).
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//! It's not intended for end-user use.
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bool isRankStoredAscending(int rank) const;
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//! The underlying data storage(data_) always refers to the point index at (0,0,...,0) which may
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//! not be in the array if the base is not zero in each rank.
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//! Return the pointer to data.
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T * getData() const { return data_; }
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protected:
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//! Implementation routines.
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void computeStrides();
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void setupStorage(int rank);
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void setupStorage(int rank, T *data, preexistingMemoryPolicy deletionPolicy);
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void calculateZeroOffset();
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void Reference(const T_array&);
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T_array & noConst() const;
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void constructSubarray(PHArray<T, N> &array_in, Range r0);
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void constructSubarray(PHArray<T, N> &array_in, Range r0, Range r1);
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void constructSubarray(PHArray<T, N> &array_in, Range r0, Range r1, Range r2);
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void constructSubarray(PHArray<T, N> &array_in, Range r0, Range r1, Range r2, Range r3);
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void constructSubarray(PHArray<T, N> &array_in, Range r0, Range r1, Range r2, Range r3, Range r4);
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void constructSubarray(PHArray<T, N> &array_in, Range r0, Range r1, Range r2, Range r3, Range r4, Range r5);
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void constructSubarray(PHArray<T, N> &array_in, Range r0, Range r1, Range r2, Range r3, Range r4, Range r5, Range r6);
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template < int N2, typename gasConstant,
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typename R1, typename R2, typename R3, typename R4, typename R5, typename R6, typename R7,
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typename R8, typename R9, typename R10 >
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void constructSlice(PHArray<T, N2> &array_in,
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gasConstant r0, R1 r1, R2 r2, R3 r3, R4 r4, R5 r5, R6 r6, R7 r7, R8 r8, R9 r9, R10 r10);
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void slice(int rank, Range r);
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template<int N2>
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void slice(int &setRank, Range r, PHArray<T, N2> &array_in, SimpleArray<int, N2> &rankMap, int sourceRank);
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template<int N2>
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void slice(int &setRank, int i, PHArray<T, N2> &array_in, SimpleArray<int, N2> &rankMap, int sourceRank);
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template<int N2>
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void slice(int &setRank, PHnilArraySection nil, PHArray<T, N2> &array_in, SimpleArray<int, N2> &rankMap, int sourceRank);
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T_array & initialize(T x);
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int dataOffset() const;
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template<typename T_expr, typename T_update>
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T_array & evaluate(T_expr expr, T_update);
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template<typename T_expr, typename T_update>
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T_array & evaluateWithIndexTraversal1(T_expr expr, T_update);
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template<typename T_expr, typename T_update>
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T_array & evaluateWithIndexTraversalN(T_expr expr, T_update);
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template<typename T_expr, typename T_update>
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T_array & evaluateWithStackTraversal1(T_expr expr, T_update);
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template<typename T_expr, typename T_update>
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T_array & evaluateWithStackTraversalN(T_expr expr, T_update);
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//! #ifdef USE_SMARTARRY will construct an multi-array pointer to the underlying data_
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//! e.g. for a three dimensional T type array with range(r0, r1, r2).
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//! We can get and T*** type pointer called datap3 by GetSmartArrayP3() function
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//! and access the data at index i, j, k directly by datap3[k][j][i].
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//! Remember the way of array storage of range r0, r1, ... corresponding with innermost layer to outermost layer.
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//! Moreover, if use operator(i, j, k), will return datap3[k][j][i] instead of data_[i0 * stride_[0] + i1 * stride_[1]+ i2 * stride_[2]].
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#ifdef USE_SMARTARRAY
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public:
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typedef T * TypeP1; //TypeP1 T *
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typedef TypeP1 * TypeP2; //TypeP2 T **
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typedef TypeP2 * TypeP3; //TypeP3 T ***
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typedef TypeP3 * TypeP4; //TypeP4 T ****
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typedef TypeP4 * TypeP5; //TypeP5 T *****
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typedef TypeP5 * TypeP6; //TypeP6 T ******
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private:
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TypeP1 data1, datap1; //TypeP1 T *
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TypeP2 data2, datap2; //TypeP2 T **
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TypeP3 data3, datap3; //TypeP3 T ***
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TypeP4 data4, datap4; //TypeP4 T ****
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TypeP5 data5, datap5; //TypeP5 T *****
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TypeP6 data6, datap6; //TypeP6 T ******
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private:
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void ZeroAllPointer();
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void AllocateRange(int dimension);
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void AllocateRange1();
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void AllocateRange2();
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void AllocateRange3();
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void AllocateRange4();
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void AllocateRange5();
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void AllocateRange6();
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public:
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~PHArray()
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{
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if (data1 != NULL) { data1 = NULL; }
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if (data2 != NULL) { delete [] data2; data2 = NULL; }
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if (data3 != NULL) { delete [] data3; data3 = NULL; }
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if (data4 != NULL) { delete [] data4; data4 = NULL; }
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if (data5 != NULL) { delete [] data5; data5 = NULL; }
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if (data6 != NULL) { delete [] data6; data6 = NULL; }
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}
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TypeP1 GetSmartArrayP1() const
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{
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return datap1;
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}
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TypeP2 GetSmartArrayP2() const
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{
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return datap2;
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}
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TypeP3 GetSmartArrayP3() const
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{
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return datap3;
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}
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TypeP4 GetSmartArrayP4() const
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{
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return datap4;
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}
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TypeP5 GetSmartArrayP5() const
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{
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return datap5;
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}
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TypeP6 GetSmartArrayP6() const
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{
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return datap6;
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}
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#endif
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//! End
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};
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}
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const int firstRank = 0;
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const int secondRank = 1;
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const int thirdRank = 2;
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const int fourthRank = 3;
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const int fifthRank = 4;
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const int sixthRank = 5;
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const int seventhRank = 6;
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const int eighthRank = 7;
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const int ninthRank = 8;
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const int tenthRank = 9;
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const int eleventhRank = 10;
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const int firstDim = 0;
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const int secondDim = 1;
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const int thirdDim = 2;
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const int fourthDim = 3;
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const int fifthDim = 4;
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const int sixthDim = 5;
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const int seventhDim = 6;
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const int eighthDim = 7;
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const int ninthDim = 8;
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const int tenthDim = 9;
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const int eleventhDim = 10;
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#include "PHFastArrayIterator.h" //! Fast Array iterators (for et).
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#include "PHExpr.h" //! Array expression objects.
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#include "PHExprWrap.h"
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#include "PHET.h" //! Expression templates.
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#include "PHOps.hxx" //! Assignment operators.
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#include "PHArray.hxx"
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#include "PHSlice.hxx" //! Slicing and sub-arrays.
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