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array-impl.h
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array-impl.h
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// -*- C++ -*-
/***************************************************************************
* blitz/array-impl.h Definition of the Array<P_numtype, N_rank> class
*
* $Id: array-impl.h,v 1.25 2005/10/13 23:46:43 julianc Exp $
*
* Copyright (C) 1997-2001 Todd Veldhuizen <[email protected]>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* Suggestions: [email protected]
* Bugs: [email protected]
*
* For more information, please see the Blitz++ Home Page:
* http://oonumerics.org/blitz/
*
***************************************************************************/
/***************************************************************************
* Changes made, in accordance with the Artistic License, by Cory Beutler
*
* - Removed the restrict keyword on some return types
* Returning a pointer returns an r-value pointer. GCC ignores these
* anyway as the r-value is already optimized.
*
* - Removed trailing whitespace
*
* - Added a memory allocation policy flag to the array
* - Added to each constructor and memory allocation call
*
***************************************************************************/
/*
* Wish list for array classes.
* - Arrays whose dimensions are unknown at compile time.
* - where()/elsewhere()/elsewhere() as in Dan Quinlan's implementation
* - block reduction operations
* - conversion to/from matrix & vector
* - apply(T func(T))
* - apply(T func(const T&))
* - apply<T func(T)>
*/
#ifndef BZ_ARRAY_H
#define BZ_ARRAY_H
#include <blitz/blitz.h>
#include <blitz/memblock.h>
#include <blitz/range.h>
#include <blitz/tinyvec.h>
#ifdef BZ_ARRAY_SPACE_FILLING_TRAVERSAL
#include <blitz/traversal.h>
#endif
#include <blitz/indexexpr.h>
#include <blitz/prettyprint.h>
#include <blitz/array/slice.h> // Subarrays and slicing
#include <blitz/array/map.h> // Tensor index notation
#include <blitz/array/multi.h> // Multicomponent arrays
#include <blitz/array/domain.h> // RectDomain class
#include <blitz/array/storage.h> // GeneralArrayStorage
BZ_NAMESPACE(blitz)
/*
* Forward declarations
*/
template<typename T_numtype, int N_rank>
class ArrayIterator;
template<typename T_numtype, int N_rank>
class ConstArrayIterator;
template<typename T_numtype, int N_rank>
class FastArrayIterator;
template<typename P_expr>
class _bz_ArrayExpr;
template<typename T_array, typename T_index>
class IndirectArray;
template <typename P_numtype,int N_rank>
void swap(Array<P_numtype,N_rank>&,Array<P_numtype,N_rank>&);
template <typename P_numtype, int N_rank>
void find(Array<TinyVector<int,N_rank>,1>&,const Array<P_numtype,N_rank>&);
/*
* Declaration of class Array
*/
// NEEDS_WORK: Array should inherit protected from MemoryBlockReference.
// To make this work, need to expose MemoryBlockReference::numReferences()
// and make Array<P,N2> a friend of Array<P,N> for slicing.
template<typename P_numtype, int N_rank>
class Array : public MemoryBlockReference<P_numtype>
#ifdef BZ_NEW_EXPRESSION_TEMPLATES
, public ETBase<Array<P_numtype,N_rank> >
#endif
{
private:
typedef MemoryBlockReference<P_numtype> T_base;
using T_base::data_;
using T_base::changeToNullBlock;
using T_base::numReferences;
public:
//////////////////////////////////////////////
// Public Types
//////////////////////////////////////////////
/*
* T_numtype is the numeric type stored in the array.
* T_index is a vector type which can be used to access elements
* of many-dimensional arrays.
* T_array is the array type itself -- Array<T_numtype, N_rank>
* T_iterator is a a fast iterator for the array, used for expression
* templates
* iterator is a STL-style iterator
* const_iterator is an STL-style const iterator
*/
typedef P_numtype T_numtype;
typedef TinyVector<int, N_rank> T_index;
typedef Array<T_numtype, N_rank> T_array;
typedef FastArrayIterator<T_numtype, N_rank> T_iterator;
typedef ArrayIterator<T_numtype,N_rank> iterator;
typedef ConstArrayIterator<T_numtype,N_rank> const_iterator;
static const int _bz_rank = N_rank;
using T_base::memoryPolicy;
//////////////////////////////////////////////
// Constructors //
//////////////////////////////////////////////
/*
* Construct an array from an array expression.
*/
template<typename T_expr>
explicit Array(_bz_ArrayExpr<T_expr> expr, managedMemoryPolicy managedMemory = notManagedMemory);
/*
* Any missing length arguments will have their value taken from the
* last argument. For example,
* Array<int,3> A(32,64);
* will create a 32x64x64 array. This is handled by setupStorage().
*/
Array(GeneralArrayStorage<N_rank> storage = GeneralArrayStorage<N_rank>(),
managedMemoryPolicy managedMemory = notManagedMemory)
: MemoryBlockReference<T_numtype>(managedMemory),
storage_(storage)
{
length_ = 0;
stride_ = 0;
zeroOffset_ = 0;
}
explicit Array(int length0,
GeneralArrayStorage<N_rank> storage = GeneralArrayStorage<N_rank>(),
managedMemoryPolicy managedMemory = notManagedMemory)
: MemoryBlockReference<T_numtype>(managedMemory),
storage_(storage)
{
length_[0] = length0;
setupStorage(0, managedMemory);
}
Array(int length0, int length1,
GeneralArrayStorage<N_rank> storage = GeneralArrayStorage<N_rank>(),
managedMemoryPolicy managedMemory = notManagedMemory)
: MemoryBlockReference<T_numtype>(managedMemory),
storage_(storage)
{
BZPRECONDITION(N_rank >= 2);
TAU_TYPE_STRING(p1, "Array<T,N>::Array() [T="
+ CT(T_numtype) + ",N=" + CT(N_rank) + "]");
TAU_PROFILE(p1, "void (int,int)", TAU_BLITZ);
length_[0] = length0;
length_[1] = length1;
setupStorage(1, managedMemory);
}
Array(int length0, int length1, int length2,
GeneralArrayStorage<N_rank> storage = GeneralArrayStorage<N_rank>(),
managedMemoryPolicy managedMemory = notManagedMemory)
: MemoryBlockReference<T_numtype>(managedMemory),
storage_(storage)
{
BZPRECONDITION(N_rank >= 3);
length_[0] = length0;
length_[1] = length1;
length_[2] = length2;
setupStorage(2, managedMemory);
}
Array(int length0, int length1, int length2, int length3,
GeneralArrayStorage<N_rank> storage = GeneralArrayStorage<N_rank>(),
managedMemoryPolicy managedMemory = notManagedMemory)
: MemoryBlockReference<T_numtype>(managedMemory),
storage_(storage)
{
BZPRECONDITION(N_rank >= 4);
length_[0] = length0;
length_[1] = length1;
length_[2] = length2;
length_[3] = length3;
setupStorage(3, managedMemory);
}
Array(int length0, int length1, int length2, int length3, int length4,
GeneralArrayStorage<N_rank> storage = GeneralArrayStorage<N_rank>(),
managedMemoryPolicy managedMemory = notManagedMemory)
: MemoryBlockReference<T_numtype>(managedMemory),
storage_(storage)
{
BZPRECONDITION(N_rank >= 5);
length_[0] = length0;
length_[1] = length1;
length_[2] = length2;
length_[3] = length3;
length_[4] = length4;
setupStorage(4, managedMemory);
}
Array(int length0, int length1, int length2, int length3, int length4,
int length5,
GeneralArrayStorage<N_rank> storage = GeneralArrayStorage<N_rank>(),
managedMemoryPolicy managedMemory = notManagedMemory)
: MemoryBlockReference<T_numtype>(managedMemory),
storage_(storage)
{
BZPRECONDITION(N_rank >= 6);
length_[0] = length0;
length_[1] = length1;
length_[2] = length2;
length_[3] = length3;
length_[4] = length4;
length_[5] = length5;
setupStorage(5, managedMemory);
}
Array(int length0, int length1, int length2, int length3, int length4,
int length5, int length6,
GeneralArrayStorage<N_rank> storage = GeneralArrayStorage<N_rank>(),
managedMemoryPolicy managedMemory = notManagedMemory)
: MemoryBlockReference<T_numtype>(managedMemory),
storage_(storage)
{
BZPRECONDITION(N_rank >= 7);
length_[0] = length0;
length_[1] = length1;
length_[2] = length2;
length_[3] = length3;
length_[4] = length4;
length_[5] = length5;
length_[6] = length6;
setupStorage(6, managedMemory);
}
Array(int length0, int length1, int length2, int length3, int length4,
int length5, int length6, int length7,
GeneralArrayStorage<N_rank> storage = GeneralArrayStorage<N_rank>(),
managedMemoryPolicy managedMemory = notManagedMemory)
: MemoryBlockReference<T_numtype>(managedMemory),
storage_(storage)
{
BZPRECONDITION(N_rank >= 8);
length_[0] = length0;
length_[1] = length1;
length_[2] = length2;
length_[3] = length3;
length_[4] = length4;
length_[5] = length5;
length_[6] = length6;
length_[7] = length7;
setupStorage(7, managedMemory);
}
Array(int length0, int length1, int length2, int length3, int length4,
int length5, int length6, int length7, int length8,
GeneralArrayStorage<N_rank> storage = GeneralArrayStorage<N_rank>(),
managedMemoryPolicy managedMemory = notManagedMemory)
: MemoryBlockReference<T_numtype>(managedMemory),
storage_(storage)
{
BZPRECONDITION(N_rank >= 9);
length_[0] = length0;
length_[1] = length1;
length_[2] = length2;
length_[3] = length3;
length_[4] = length4;
length_[5] = length5;
length_[6] = length6;
length_[7] = length7;
length_[8] = length8;
setupStorage(8, managedMemory);
}
Array(int length0, int length1, int length2, int length3, int length4,
int length5, int length6, int length7, int length8, int length9,
GeneralArrayStorage<N_rank> storage = GeneralArrayStorage<N_rank>(),
managedMemoryPolicy managedMemory = notManagedMemory)
: MemoryBlockReference<T_numtype>(managedMemory),
storage_(storage)
{
BZPRECONDITION(N_rank >= 10);
length_[0] = length0;
length_[1] = length1;
length_[2] = length2;
length_[3] = length3;
length_[4] = length4;
length_[5] = length5;
length_[6] = length6;
length_[7] = length7;
length_[8] = length8;
length_[9] = length9;
setupStorage(9, managedMemory);
}
Array(int length0, int length1, int length2, int length3, int length4,
int length5, int length6, int length7, int length8, int length9,
int length10,
GeneralArrayStorage<N_rank> storage = GeneralArrayStorage<N_rank>(),
managedMemoryPolicy managedMemory = notManagedMemory)
: MemoryBlockReference<T_numtype>(managedMemory),
storage_(storage)
{
BZPRECONDITION(N_rank >= 11);
length_[0] = length0;
length_[1] = length1;
length_[2] = length2;
length_[3] = length3;
length_[4] = length4;
length_[5] = length5;
length_[6] = length6;
length_[7] = length7;
length_[8] = length8;
length_[9] = length9;
length_[10] = length10;
setupStorage(10, managedMemory);
}
/*
* Construct an array from an existing block of memory. Ownership
* is not acquired (this is provided for backwards compatibility).
*/
Array(T_numtype* restrict dataFirst, TinyVector<int, N_rank> shape,
GeneralArrayStorage<N_rank> storage = GeneralArrayStorage<N_rank>())
: MemoryBlockReference<T_numtype>(product(shape), dataFirst,
neverDeleteData),
storage_(storage)
{
BZPRECONDITION(dataFirst != 0);
length_ = shape;
computeStrides();
data_ += zeroOffset_;
}
/*
* Construct an array from an existing block of memory, with a
* given set of strides. Ownership is not acquired (i.e. the memory
* block will not be freed by Blitz++).
*/
Array(T_numtype* restrict dataFirst, TinyVector<int, N_rank> shape,
TinyVector<int, N_rank> stride,
GeneralArrayStorage<N_rank> storage = GeneralArrayStorage<N_rank>(),
managedMemoryPolicy memoryPolicy = notManagedMemory)
: MemoryBlockReference<T_numtype>(product(shape), dataFirst,
neverDeleteData, memoryPolicy),
storage_(storage)
{
BZPRECONDITION(dataFirst != 0);
length_ = shape;
stride_ = stride;
calculateZeroOffset();
data_ += zeroOffset_;
}
/*
* Construct an array from an existing block of memory.
*/
Array(T_numtype* restrict dataFirst, TinyVector<int, N_rank> shape,
preexistingMemoryPolicy deletionPolicy,
GeneralArrayStorage<N_rank> storage = GeneralArrayStorage<N_rank>(),
managedMemoryPolicy memoryPolicy = notManagedMemory)
: MemoryBlockReference<T_numtype>(product(shape), dataFirst,
deletionPolicy, memoryPolicy),
storage_(storage)
{
BZPRECONDITION(dataFirst != 0);
length_ = shape;
computeStrides();
data_ += zeroOffset_;
if (deletionPolicy == duplicateData)
reference(copy());
}
/*
* Construct an array from an existing block of memory, with a
* given set of strides.
*/
Array(T_numtype* restrict dataFirst, TinyVector<int, N_rank> shape,
TinyVector<int, N_rank> stride,
preexistingMemoryPolicy deletionPolicy,
GeneralArrayStorage<N_rank> storage = GeneralArrayStorage<N_rank>(),
managedMemoryPolicy memoryPolicy = notManagedMemory)
: MemoryBlockReference<T_numtype>(product(shape), dataFirst,
deletionPolicy, memoryPolicy),
storage_(storage)
{
BZPRECONDITION(dataFirst != 0);
length_ = shape;
stride_ = stride;
calculateZeroOffset();
data_ += zeroOffset_;
if (deletionPolicy == duplicateData)
reference(copy());
}
/*
* This constructor takes an extent (length) vector and storage format.
*/
Array(const TinyVector<int, N_rank>& extent,
GeneralArrayStorage<N_rank> storage = GeneralArrayStorage<N_rank>(),
managedMemoryPolicy managedMemory = notManagedMemory)
: MemoryBlockReference<T_numtype>(managedMemory),
storage_(storage)
{
length_ = extent;
setupStorage(N_rank - 1, managedMemory);
}
/*
* This construct takes a vector of bases (lbounds) and a vector of
* extents.
*/
Array(const TinyVector<int, N_rank>& lbounds,
const TinyVector<int, N_rank>& extent,
const GeneralArrayStorage<N_rank>& storage
= GeneralArrayStorage<N_rank>(),
const managedMemoryPolicy memoryPolicy = notManagedMemory);
/*
* These constructors allow arbitrary bases (starting indices) to be set.
* e.g. Array<int,2> A(Range(10,20), Range(20,30))
* will create an 11x11 array whose indices are 10..20 and 20..30
*/
Array(Range r0,
GeneralArrayStorage<N_rank> storage = GeneralArrayStorage<N_rank>(),
managedMemoryPolicy managedMemory = notManagedMemory)
: MemoryBlockReference<T_numtype>(managedMemory),
storage_(storage)
{
BZPRECONDITION(r0.isAscendingContiguous());
length_[0] = r0.length();
storage_.setBase(0, r0.first());
setupStorage(0, managedMemory);
}
Array(Range r0, Range r1,
GeneralArrayStorage<N_rank> storage = GeneralArrayStorage<N_rank>(),
managedMemoryPolicy managedMemory = notManagedMemory)
: MemoryBlockReference<T_numtype>(managedMemory),
storage_(storage)
{
BZPRECONDITION(r0.isAscendingContiguous() &&
r1.isAscendingContiguous());
length_[0] = r0.length();
storage_.setBase(0, r0.first());
length_[1] = r1.length();
storage_.setBase(1, r1.first());
setupStorage(1, managedMemory);
}
Array(Range r0, Range r1, Range r2,
GeneralArrayStorage<N_rank> storage = GeneralArrayStorage<N_rank>(),
managedMemoryPolicy managedMemory = notManagedMemory)
: MemoryBlockReference<T_numtype>(managedMemory),
storage_(storage)
{
BZPRECONDITION(r0.isAscendingContiguous() &&
r1.isAscendingContiguous() && r2.isAscendingContiguous());
length_[0] = r0.length();
storage_.setBase(0, r0.first());
length_[1] = r1.length();
storage_.setBase(1, r1.first());
length_[2] = r2.length();
storage_.setBase(2, r2.first());
setupStorage(2, managedMemory);
}
Array(Range r0, Range r1, Range r2, Range r3,
GeneralArrayStorage<N_rank> storage = GeneralArrayStorage<N_rank>(),
managedMemoryPolicy managedMemory = notManagedMemory)
: MemoryBlockReference<T_numtype>(managedMemory),
storage_(storage)
{
BZPRECONDITION(r0.isAscendingContiguous() &&
r1.isAscendingContiguous() && r2.isAscendingContiguous()
&& r3.isAscendingContiguous());
length_[0] = r0.length();
storage_.setBase(0, r0.first());
length_[1] = r1.length();
storage_.setBase(1, r1.first());
length_[2] = r2.length();
storage_.setBase(2, r2.first());
length_[3] = r3.length();
storage_.setBase(3, r3.first());
setupStorage(3, managedMemory);
}
Array(Range r0, Range r1, Range r2, Range r3, Range r4,
GeneralArrayStorage<N_rank> storage = GeneralArrayStorage<N_rank>(),
managedMemoryPolicy managedMemory = notManagedMemory)
: MemoryBlockReference<T_numtype>(managedMemory),
storage_(storage)
{
BZPRECONDITION(r0.isAscendingContiguous() &&
r1.isAscendingContiguous() && r2.isAscendingContiguous()
&& r3.isAscendingContiguous() && r4.isAscendingContiguous());
length_[0] = r0.length();
storage_.setBase(0, r0.first());
length_[1] = r1.length();
storage_.setBase(1, r1.first());
length_[2] = r2.length();
storage_.setBase(2, r2.first());
length_[3] = r3.length();
storage_.setBase(3, r3.first());
length_[4] = r4.length();
storage_.setBase(4, r4.first());
setupStorage(4, managedMemory);
}
Array(Range r0, Range r1, Range r2, Range r3, Range r4, Range r5,
GeneralArrayStorage<N_rank> storage = GeneralArrayStorage<N_rank>(),
managedMemoryPolicy managedMemory = notManagedMemory)
: MemoryBlockReference<T_numtype>(managedMemory),
storage_(storage)
{
BZPRECONDITION(r0.isAscendingContiguous() &&
r1.isAscendingContiguous() && r2.isAscendingContiguous()
&& r3.isAscendingContiguous() && r4.isAscendingContiguous()
&& r5.isAscendingContiguous());
length_[0] = r0.length();
storage_.setBase(0, r0.first());
length_[1] = r1.length();
storage_.setBase(1, r1.first());
length_[2] = r2.length();
storage_.setBase(2, r2.first());
length_[3] = r3.length();
storage_.setBase(3, r3.first());
length_[4] = r4.length();
storage_.setBase(4, r4.first());
length_[5] = r5.length();
storage_.setBase(5, r5.first());
setupStorage(5, managedMemory);
}
Array(Range r0, Range r1, Range r2, Range r3, Range r4, Range r5,
Range r6,
GeneralArrayStorage<N_rank> storage = GeneralArrayStorage<N_rank>(),
managedMemoryPolicy managedMemory = notManagedMemory)
: MemoryBlockReference<T_numtype>(managedMemory),
storage_(storage)
{
BZPRECONDITION(r0.isAscendingContiguous() &&
r1.isAscendingContiguous() && r2.isAscendingContiguous()
&& r3.isAscendingContiguous() && r4.isAscendingContiguous()
&& r5.isAscendingContiguous() && r6.isAscendingContiguous());
length_[0] = r0.length();
storage_.setBase(0, r0.first());
length_[1] = r1.length();
storage_.setBase(1, r1.first());
length_[2] = r2.length();
storage_.setBase(2, r2.first());
length_[3] = r3.length();
storage_.setBase(3, r3.first());
length_[4] = r4.length();
storage_.setBase(4, r4.first());
length_[5] = r5.length();
storage_.setBase(5, r5.first());
length_[6] = r6.length();
storage_.setBase(6, r6.first());
setupStorage(6, managedMemory);
}
Array(Range r0, Range r1, Range r2, Range r3, Range r4, Range r5,
Range r6, Range r7,
GeneralArrayStorage<N_rank> storage = GeneralArrayStorage<N_rank>(),
managedMemoryPolicy managedMemory = notManagedMemory)
: MemoryBlockReference<T_numtype>(managedMemory),
storage_(storage)
{
BZPRECONDITION(r0.isAscendingContiguous() &&
r1.isAscendingContiguous() && r2.isAscendingContiguous()
&& r3.isAscendingContiguous() && r4.isAscendingContiguous()
&& r5.isAscendingContiguous() && r6.isAscendingContiguous()
&& r7.isAscendingContiguous());
length_[0] = r0.length();
storage_.setBase(0, r0.first());
length_[1] = r1.length();
storage_.setBase(1, r1.first());
length_[2] = r2.length();
storage_.setBase(2, r2.first());
length_[3] = r3.length();
storage_.setBase(3, r3.first());
length_[4] = r4.length();
storage_.setBase(4, r4.first());
length_[5] = r5.length();
storage_.setBase(5, r5.first());
length_[6] = r6.length();
storage_.setBase(6, r6.first());
length_[7] = r7.length();
storage_.setBase(7, r7.first());
setupStorage(7, managedMemory);
}
Array(Range r0, Range r1, Range r2, Range r3, Range r4, Range r5,
Range r6, Range r7, Range r8,
GeneralArrayStorage<N_rank> storage = GeneralArrayStorage<N_rank>(),
managedMemoryPolicy managedMemory = notManagedMemory)
: MemoryBlockReference<T_numtype>(managedMemory),
storage_(storage)
{
BZPRECONDITION(r0.isAscendingContiguous() &&
r1.isAscendingContiguous() && r2.isAscendingContiguous()
&& r3.isAscendingContiguous() && r4.isAscendingContiguous()
&& r5.isAscendingContiguous() && r6.isAscendingContiguous()
&& r7.isAscendingContiguous() && r8.isAscendingContiguous());
length_[0] = r0.length();
storage_.setBase(0, r0.first());
length_[1] = r1.length();
storage_.setBase(1, r1.first());
length_[2] = r2.length();
storage_.setBase(2, r2.first());
length_[3] = r3.length();
storage_.setBase(3, r3.first());
length_[4] = r4.length();
storage_.setBase(4, r4.first());
length_[5] = r5.length();
storage_.setBase(5, r5.first());
length_[6] = r6.length();
storage_.setBase(6, r6.first());
length_[7] = r7.length();
storage_.setBase(7, r7.first());
length_[8] = r8.length();
storage_.setBase(8, r8.first());
setupStorage(8, managedMemory);
}
Array(Range r0, Range r1, Range r2, Range r3, Range r4, Range r5,
Range r6, Range r7, Range r8, Range r9,
GeneralArrayStorage<N_rank> storage = GeneralArrayStorage<N_rank>(),
managedMemoryPolicy managedMemory = notManagedMemory)
: MemoryBlockReference<T_numtype>(managedMemory),
storage_(storage)
{
BZPRECONDITION(r0.isAscendingContiguous() &&
r1.isAscendingContiguous() && r2.isAscendingContiguous()
&& r3.isAscendingContiguous() && r4.isAscendingContiguous()
&& r5.isAscendingContiguous() && r6.isAscendingContiguous()
&& r7.isAscendingContiguous() && r8.isAscendingContiguous()
&& r9.isAscendingContiguous());
length_[0] = r0.length();
storage_.setBase(0, r0.first());
length_[1] = r1.length();
storage_.setBase(1, r1.first());
length_[2] = r2.length();
storage_.setBase(2, r2.first());
length_[3] = r3.length();
storage_.setBase(3, r3.first());
length_[4] = r4.length();
storage_.setBase(4, r4.first());
length_[5] = r5.length();
storage_.setBase(5, r5.first());
length_[6] = r6.length();
storage_.setBase(6, r6.first());
length_[7] = r7.length();
storage_.setBase(7, r7.first());
length_[8] = r8.length();
storage_.setBase(8, r8.first());
length_[9] = r9.length();
storage_.setBase(9, r9.first());
setupStorage(9, managedMemory);
}
Array(Range r0, Range r1, Range r2, Range r3, Range r4, Range r5,
Range r6, Range r7, Range r8, Range r9, Range r10,
GeneralArrayStorage<N_rank> storage = GeneralArrayStorage<N_rank>(),
managedMemoryPolicy managedMemory = notManagedMemory)
: MemoryBlockReference<T_numtype>(managedMemory),
storage_(storage)
{
BZPRECONDITION(r0.isAscendingContiguous() &&
r1.isAscendingContiguous() && r2.isAscendingContiguous()
&& r3.isAscendingContiguous() && r4.isAscendingContiguous()
&& r5.isAscendingContiguous() && r6.isAscendingContiguous()
&& r7.isAscendingContiguous() && r8.isAscendingContiguous()
&& r9.isAscendingContiguous() && r10.isAscendingContiguous());
length_[0] = r0.length();
storage_.setBase(0, r0.first());
length_[1] = r1.length();
storage_.setBase(1, r1.first());
length_[2] = r2.length();
storage_.setBase(2, r2.first());
length_[3] = r3.length();
storage_.setBase(3, r3.first());
length_[4] = r4.length();
storage_.setBase(4, r4.first());
length_[5] = r5.length();
storage_.setBase(5, r5.first());
length_[6] = r6.length();
storage_.setBase(6, r6.first());
length_[7] = r7.length();
storage_.setBase(7, r7.first());
length_[8] = r8.length();
storage_.setBase(8, r8.first());
length_[9] = r9.length();
storage_.setBase(9, r9.first());
length_[10] = r10.length();
storage_.setBase(10, r10.first());
setupStorage(10, managedMemory);
}
/*
* Create a reference of another array
*/
Array(const Array<T_numtype, N_rank>& array)
#ifdef BZ_NEW_EXPRESSION_TEMPLATES
: MemoryBlockReference<T_numtype>(notManagedMemory),
ETBase< Array<T_numtype, N_rank> >(array)
#else
: MemoryBlockReference<T_numtype>()
#endif
{
// NEEDS_WORK: this const_cast is a tad ugly.
reference(const_cast<T_array&>(array));
}
/*
* These constructors are used for creating interlaced arrays (see
* <blitz/arrayshape.h>
*/
Array(const TinyVector<int,N_rank-1>& shape,
int lastExtent, const GeneralArrayStorage<N_rank>& storage);
//Array(const TinyVector<Range,N_rank-1>& shape,
// int lastExtent, const GeneralArrayStorage<N_rank>& storage);
/*
* These constructors make the array a view of a subportion of another
* array. If there fewer than N_rank Range arguments provided, no
* slicing is performed in the unspecified ranks.
* e.g. Array<int,3> A(20,20,20);
* Array<int,3> B(A, Range(5,15));
* is equivalent to:
* Array<int,3> B(A, Range(5,15), Range::all(), Range::all());
*/
Array(Array<T_numtype, N_rank>& array, Range r0)
: MemoryBlockReference<T_numtype>()
{
constructSubarray(array, r0);
}
Array(Array<T_numtype, N_rank>& array, Range r0, Range r1)
: MemoryBlockReference<T_numtype>()
{
constructSubarray(array, r0, r1);
}
Array(Array<T_numtype, N_rank>& array, Range r0, Range r1, Range r2)
: MemoryBlockReference<T_numtype>()
{
constructSubarray(array, r0, r1, r2);
}
Array(Array<T_numtype, N_rank>& array, Range r0, Range r1, Range r2,
Range r3)
: MemoryBlockReference<T_numtype>()
{
constructSubarray(array, r0, r1, r2, r3);
}
Array(Array<T_numtype, N_rank>& array, Range r0, Range r1, Range r2,
Range r3, Range r4)
: MemoryBlockReference<T_numtype>()
{
constructSubarray(array, r0, r1, r2, r3, r4);
}
Array(Array<T_numtype, N_rank>& array, Range r0, Range r1, Range r2,
Range r3, Range r4, Range r5)
: MemoryBlockReference<T_numtype>()
{
constructSubarray(array, r0, r1, r2, r3, r4, r5);
}
Array(Array<T_numtype, N_rank>& array, Range r0, Range r1, Range r2,
Range r3, Range r4, Range r5, Range r6)
: MemoryBlockReference<T_numtype>()
{
constructSubarray(array, r0, r1, r2, r3, r4, r5, r6);
}
Array(Array<T_numtype, N_rank>& array, Range r0, Range r1, Range r2,
Range r3, Range r4, Range r5, Range r6, Range r7)
: MemoryBlockReference<T_numtype>()
{
constructSubarray(array, r0, r1, r2, r3, r4, r5, r6, r7);
}
Array(Array<T_numtype, N_rank>& array, Range r0, Range r1, Range r2,
Range r3, Range r4, Range r5, Range r6, Range r7, Range r8)
: MemoryBlockReference<T_numtype>()
{
constructSubarray(array, r0, r1, r2, r3, r4, r5, r6, r7, r8);
}
Array(Array<T_numtype, N_rank>& array, Range r0, Range r1, Range r2,
Range r3, Range r4, Range r5, Range r6, Range r7, Range r8, Range r9)
: MemoryBlockReference<T_numtype>()
{
constructSubarray(array, r0, r1, r2, r3, r4, r5, r6, r7, r8, r9);
}
Array(Array<T_numtype, N_rank>& array, Range r0, Range r1, Range r2,
Range r3, Range r4, Range r5, Range r6, Range r7, Range r8, Range r9,
Range r10)
: MemoryBlockReference<T_numtype>()
{
constructSubarray(array, r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10);
}
Array(Array<T_numtype, N_rank>& array,
const RectDomain<N_rank>& subdomain)
: MemoryBlockReference<T_numtype>()
{
constructSubarray(array, subdomain);
}
/* Constructor added by Julian Cummings */
Array(Array<T_numtype, N_rank>& array,
const StridedDomain<N_rank>& subdomain)
: MemoryBlockReference<T_numtype>()
{
constructSubarray(array, subdomain);
}
/*
* This constructor is invoked by the operator()'s which take
* a combination of integer and Range arguments. It's not intended
* for end-user use.
*/
template<int N_rank2, typename R0, typename R1, typename R2, typename R3, typename R4,
typename R5, typename R6, typename R7, typename R8, typename R9, typename R10>
Array(Array<T_numtype,N_rank2>& array, R0 r0, R1 r1, R2 r2,
R3 r3, R4 r4, R5 r5, R6 r6, R7 r7, R8 r8, R9 r9, R10 r10)
: MemoryBlockReference<T_numtype>()
{
constructSlice(array, r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10);
}
//////////////////////////////////////////////
// Member functions
//////////////////////////////////////////////
const TinyVector<int, N_rank>& base() const
{ return storage_.base(); }
int base(int rank) const
{ return storage_.base(rank); }
iterator begin()
{ return iterator(*this); }
const_iterator begin() const
{ return const_iterator(*this); }
T_iterator beginFast() const
{ return T_iterator(*this); }
// Deprecated: now extractComponent(...)
template<typename P_numtype2>
Array<P_numtype2,N_rank> chopComponent(P_numtype2 a, int compNum,
int numComponents) const
{ return extractComponent(a, compNum, numComponents); }
int cols() const
{ return length_[1]; }
int columns() const
{ return length_[1]; }
T_array copy() const;
T_array copy(managedMemoryPolicy memoryPolicy) const;
// data_ always refers to the point (0,0,...,0) which may
// not be in the array if the base is not zero in each rank.
// These data() routines return a pointer to the first
// element in the array (but note that it may not be
// stored first in memory if some ranks are stored descending).
int dataOffset() const
{
return dot(storage_.base(), stride_);
}
const T_numtype* data() const
{ return data_ + dataOffset(); }
T_numtype* data()
{ return data_ + dataOffset(); }
// These dataZero() routines refer to the point (0,0,...,0)
// which may not be in the array if the bases are nonzero.
const T_numtype* dataZero() const
{ return data_; }
T_numtype* dataZero()
{ return data_; }
// These dataFirst() routines refer to the element in the
// array which falls first in memory.
int dataFirstOffset() const
{
int pos = 0;
// Used to use tinyvector expressions:
// return data_ + dot(storage_.base()
// + (1 - storage_.ascendingFlag()) * (length_ - 1), stride_);
for (int i=0; i < N_rank; ++i)
pos += (storage_.base(i) + (1-storage_.isRankStoredAscending(i)) *
(length_(i)-1)) * stride_(i);
return pos;
}
const T_numtype* dataFirst() const
{
return data_ + dataFirstOffset();
}
T_numtype* dataFirst()
{
return data_ + dataFirstOffset();
}
int depth() const