NPL
Neurological Programs and Libraries
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Constant iterator for NDArray. Typical usage calls for NDConstIter it(array); it++; *it. More...
#include <iterators.h>
Inherits npl::Slicer.
Public Member Functions | |
NDConstIter () | |
Default constructor. Note, this will segfault if you don't use setArray to set the target NDArray/Image. More... | |
NDConstIter (std::shared_ptr< const NDArray > in) | |
void | setArray (ptr< const NDArray > in) |
NDConstIter & | operator++ () |
Prefix increment operator. More... | |
NDConstIter & | operator-- () |
Prefix decrement operator. More... | |
T | operator* () const |
Dereference operator. More... | |
T | get () const |
Dereference operator. More... | |
void | goBegin () |
Go to beginning of iteration. More... | |
void | goEnd () |
Go to end of iteration. More... | |
bool | isEnd () const |
Are we one past the last element? More... | |
bool | eof () const |
Are we one past the last element? More... | |
bool | isBegin () const |
Are we at the first element. More... | |
bool | operator== (const NDConstIter &other) const |
Whether the position and parent are the same as another. More... | |
bool | operator!= (const NDConstIter &other) const |
Whether the position and parent are different from another. More... | |
bool | operator< (const NDConstIter &other) const |
If the parents are different then false, if they are the same, returns whether this iterator is before the other. More... | |
bool | operator> (const NDConstIter &other) const |
If the parents are different then false, if they are the same, returns whether this iterator is after the other. More... | |
bool | operator<= (const NDConstIter &other) const |
If the parents are different then false, if they are the same, returns whether this iterator is the same or before the other. More... | |
bool | operator>= (const NDConstIter &other) const |
If the parents are different then false, if they are the same, returns whether this iterator is the same or after the other. More... | |
void | setDim (size_t ndim, const size_t *dim) |
Updates dimensions of target nd array. More... | |
void | goIndex (size_t len, int64_t *newpos) |
Jump to the given position, additional values in newpos beyond dim will be ignored. Any values missing due to ndim > len will be treated as zeros. More... | |
void | goIndex (std::vector< int64_t > newpos) |
Jump to the given position. More... | |
void | index (size_t len, int64_t *index) const |
Places the first len dimension in the given array. If the number of dimensions exceed the len then the additional dimensions will be ignored, if len exceeds the dimensionality then index[dim...len-1] = 0. In other words index will be completely overwritten in the most sane way possible if the internal dimensions and size index differ. More... | |
void | index (size_t len, int *index) const |
Places the first len dimension in the given array. If the number of dimensions exceed the len then the additional dimensions will be ignored, if len exceeds the dimensionality then index[dim...len-1] = 0. In other words index will be completely overwritten in the most sane way possible if the internal dimensions and size index differ. More... | |
void | index (size_t len, double *index) const |
Places the first len dimension in the given array. If the number of dimensions exceed the len then the additional dimensions will be ignored, if len exceeds the dimensionality then index[dim...len-1] = 0. In other words index will be completely overwritten in the most sane way possible if the internal dimensions and size index differ. More... | |
void | index (std::vector< int64_t > &ind) const |
Places the first len dimension in the given array. If the number of dimensions exceed the len then the additional dimensions will be ignored, if len exceeds the dimensionality then index[dim...len-1] = 0. In other words index will be completely overwritten in the most sane way possible if the internal dimensions and size index differ. More... | |
void | index (std::vector< int > &ind) const |
Places the first len dimension in the given array. If the number of dimensions exceed the len then the additional dimensions will be ignored, if len exceeds the dimensionality then index[dim...len-1] = 0. In other words index will be completely overwritten in the most sane way possible if the internal dimensions and size index differ. More... | |
void | index (std::vector< double > &ind) const |
Places the first len dimension in the given array. If the number of dimensions exceed the len then the additional dimensions will be ignored, if len exceeds the dimensionality then index[dim...len-1] = 0. In other words index will be completely overwritten in the most sane way possible if the internal dimensions and size index differ. More... | |
int64_t | index (size_t dd) const |
Returns the index in the specified dimension. More... | |
size_t | linIndex () const |
get linear position of current point More... | |
int64_t | getStride (size_t dd) |
get stride in specified dimension More... | |
void | setROI (size_t len, const size_t *roisize, const int64_t *roistart=NULL) |
Sets the region of interest, with lower bound of 0. During iteration or any motion the position will not move outside the specified range. Invalidates position. More... | |
void | setROI (const std::vector< std::pair< int64_t, int64_t >> &roi) |
Sets the region of interest. During iteration or any motion the position will not move outside the specified range. Extra elements in roi beyond the number of dimensions, are ignored. More... | |
void | setOrder (const std::vector< size_t > &order, bool revorder=false) |
Sets the order of iteration from increment operators. More... | |
void | setOrder (std::initializer_list< size_t > order, bool revorder=false) |
Sets the order of iteration from ++/– operators. More... | |
void | setOrder () |
Sets the order of iteration from ++/– operators. Order will be the default (highest to lowest) More... | |
const std::vector< size_t > & | getOrder () const |
Returns the array giving the order of dimension being traversed. So 3,2,1,0 would mean that the next point in dimension 3 will be next, when wrapping the next point in 2 is visited, when that wraps the next in one and so on. More... | |
Protected Attributes | |
size_t | m_linpos |
size_t | m_linfirst |
std::vector< int64_t > | m_pos |
bool | m_end |
size_t | m_ndim |
std::vector< size_t > | m_order |
std::vector< std::pair< int64_t, int64_t > > | m_roi |
std::vector< size_t > | m_dim |
std::vector< size_t > | m_strides |
Constant iterator for NDArray. Typical usage calls for NDConstIter it(array); it++; *it.
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Definition at line 590 of file iterators.h.
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Default constructor. Note, this will segfault if you don't use setArray to set the target NDArray/Image.
Definition at line 597 of file iterators.h.
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Definition at line 599 of file iterators.h.
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Are we one past the last element?
Definition at line 731 of file iterators.h.
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Go to beginning of iteration.
Definition at line 716 of file iterators.h.
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Go to end of iteration.
Definition at line 721 of file iterators.h.
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Jump to the given position, additional values in newpos beyond dim will be ignored. Any values missing due to ndim > len will be treated as zeros.
len | Length of newpos array |
newpos | location to move to |
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Jump to the given position.
newpos | location to move to |
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Places the first len dimension in the given array. If the number of dimensions exceed the len then the additional dimensions will be ignored, if len exceeds the dimensionality then index[dim...len-1] = 0. In other words index will be completely overwritten in the most sane way possible if the internal dimensions and size index differ.
len | size of index |
index | output index variable |
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Places the first len dimension in the given array. If the number of dimensions exceed the len then the additional dimensions will be ignored, if len exceeds the dimensionality then index[dim...len-1] = 0. In other words index will be completely overwritten in the most sane way possible if the internal dimensions and size index differ.
len | size of index |
index | output index variable |
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Places the first len dimension in the given array. If the number of dimensions exceed the len then the additional dimensions will be ignored, if len exceeds the dimensionality then index[dim...len-1] = 0. In other words index will be completely overwritten in the most sane way possible if the internal dimensions and size index differ.
len | size of index |
index | output index variable |
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Places the first len dimension in the given array. If the number of dimensions exceed the len then the additional dimensions will be ignored, if len exceeds the dimensionality then index[dim...len-1] = 0. In other words index will be completely overwritten in the most sane way possible if the internal dimensions and size index differ.
ind | output index variable |
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Places the first len dimension in the given array. If the number of dimensions exceed the len then the additional dimensions will be ignored, if len exceeds the dimensionality then index[dim...len-1] = 0. In other words index will be completely overwritten in the most sane way possible if the internal dimensions and size index differ.
ind | output index variable |
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Places the first len dimension in the given array. If the number of dimensions exceed the len then the additional dimensions will be ignored, if len exceeds the dimensionality then index[dim...len-1] = 0. In other words index will be completely overwritten in the most sane way possible if the internal dimensions and size index differ.
ind | output index variable |
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Are we at the first element.
Definition at line 736 of file iterators.h.
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Are we one past the last element?
Definition at line 726 of file iterators.h.
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Whether the position and parent are different from another.
other |
Definition at line 757 of file iterators.h.
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If the parents are different then false, if they are the same, returns whether this iterator is before the other.
other |
Definition at line 770 of file iterators.h.
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If the parents are different then false, if they are the same, returns whether this iterator is the same or before the other.
other |
Definition at line 812 of file iterators.h.
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Whether the position and parent are the same as another.
other |
Definition at line 745 of file iterators.h.
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If the parents are different then false, if they are the same, returns whether this iterator is after the other.
other |
Definition at line 791 of file iterators.h.
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If the parents are different then false, if they are the same, returns whether this iterator is the same or after the other.
other |
Definition at line 831 of file iterators.h.
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Definition at line 604 of file iterators.h.
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Updates dimensions of target nd array.
ndim | Rank (dimensionality) of data block, length of dim |
dim | Size of data block, in each dimension, so dim = {32, 2,54 } would have 32*2*54 members |
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Sets the order of iteration from increment operators.
order | vector of priorities, with first element being the fastest iteration and last the slowest. All other dimensions not used will be slower than the last |
revorder | Reverse order, in which case the first element of order will have the slowest iteration, and dimensions not specified in order will be faster than those included. |
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Sets the order of iteration from ++/– operators.
order | vector of priorities, with first element being the fastest iteration and last the slowest. All other dimensions not used will be slower than the last |
revorder | Reverse order, in which case the first element of order will have the slowest iteration, and dimensions not specified in order will be faster than those included. |
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Sets the order of iteration from ++/– operators. Order will be the default (highest to lowest)
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Sets the region of interest, with lower bound of 0. During iteration or any motion the position will not move outside the specified range. Invalidates position.
Invalidates position
len | length of roi array |
roisize | Size of ROI (which runs in the block from: [roistart[0] ... roisize[0]-1, roistart[0] ... roisize[1]-1, etc] or, if roistart is Null then [0 ... roisize[0]-1, 0 ... roisize[1]-1, etc] |
roistart | Lower corner of region-of-interest |
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Sets the region of interest. During iteration or any motion the position will not move outside the specified range. Extra elements in roi beyond the number of dimensions, are ignored.
roi | pair of [min,max] values in the desired hypercube |
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