tupelo.array.mutable
Array
Plumatic Schema type definition for a 2-D array of values (a vector of vectors).
array->col-vals
(array->col-vals arr)
Inputs: [arr :- Array]
Returns: tsk/Vec
Returns the concatenation of all array cols.
array->cols
(array->cols arr)(array->cols arr col-idxs)(array->cols arr low high)
Inputs: ([arr] [arr col-idxs :- [s/Int]] [arr :- Array low :- s/Int high :- s/Int])
Returns: [[s/Any]]
Usage:
(array->cols arr) Returns all array cols
(array->cols arr col-idxs) Returns array cols specified by col-idxs
(array->cols arr low high) Returns array cols in half-open interval [low..high)
array->edn-rows
(array->edn-rows arr)
Inputs: [arr :- Array]
Returns: [[s/Any]]
Returns a persistant EDN data structure (vector-of-vectors) from the array.
array->row-vals
(array->row-vals arr)
Inputs: [arr :- Array]
Returns: tsk/Vec
Returns the concatenation of all array rows.
array->rows
(array->rows arr)(array->rows arr row-idxs)(array->rows arr low high)
Inputs: ([arr] [arr row-idxs :- [s/Int]] [arr :- Array low :- s/Int high :- s/Int])
Returns: [[s/Any]]
Usage:
(array->rows arr) Returns all array rows
(array->rows arr row-idxs) Returns array rows specified by row-idxs
(array->rows arr low high) Returns array rows in half-open interval [low..high)
array->str
(array->str arr)
Inputs: [arr :- Array]
Returns: s/Str
Returns a string representation of an array
col-drop
(col-drop orig & idxs-drop)
Inputs: [orig :- Array & idxs-drop :- [s/Int]]
Returns: Array
Drop one or more cols from an array
col-get
(col-get arr jj)
Inputs: [arr :- Array jj :- s/Int]
Returns: tsk/Vec
Gets an Array col
col-set
(col-set arr jj new-col)
Inputs: [arr :- Array jj :- s/Int new-col :- tsk/Vec]
Returns: Array
Sets an Array col
col-vals->array
(col-vals->array nrows ncols col-data)
Inputs: [nrows :- s/Int ncols :- s/Int col-data :- tsk/Vec]
Returns: Array
Return a new Array of size=[nrows ncols] with its columns constructed from from col-data.
cols-append
(cols-append arr & cols)
Inputs: [arr :- Array & cols :- [tsk/Vec]]
Returns: Array
Appends one or more cols onto an array. Returns a new array.
edn-cols->array
(edn-cols->array col-vecs)
Inputs: [col-vecs :- [[s/Any]]]
Returns: Array
[col-vecs]
Return a new Array initialized from col-vecs. Cols must all have same length.
edn-rows->array
(edn-rows->array row-vecs)
Inputs: [row-vecs :- [[s/Any]]]
Returns: Array
Return a new Array initialized from row-vecs. Rows must all have same length.
elem-get
(elem-get arr ii jj)
Inputs: [arr :- Array ii :- s/Int jj :- s/Int]
Returns: s/Any
Gets an Array element
elem-set
(elem-set arr ii jj newVal)
Inputs: [arr :- Array ii :- s/Int jj :- s/Int newVal :- s/Any]
Returns: Array
Puts a value into an Array element, returning the updated Array.
equals
(equals x y)
Inputs: [x :- Array y :- Array]
Returns: s/Bool
Returns true if two arrays contain equal data
flip-lr
(flip-lr orig)
Inputs: [orig :- Array]
Returns: Array
Flips an array in the left-right direction,
reversing the order of the cols of an array. Returns a new array.
flip-ud
(flip-ud orig)
Inputs: [orig :- Array]
Returns: Array
Flips an array in the up-down direction,
reversing the order of the rows of an array. Returns a new array.
glue-horiz
(glue-horiz & arrays)
Inputs: [& arrays :- [Array]]
Returns: Array
Concatenates 2 or more arrays horizontally. All arrays must have the same number of rows. Returns a new array.
glue-vert
(glue-vert & arrays)
Inputs: [& arrays :- [Array]]
Returns: Array
Concatenates 2 or more arrays vertically. All arrays must have the same number of cols. Returns a new array.
new
(new nrows ncols)(new nrows ncols init-val)
Inputs: ([nrows :- s/Int ncols :- s/Int] [nrows :- s/Int ncols :- s/Int init-val :- s/Any])
Returns: Array
Return a new Array of size=[nrows ncols], initialized to `init-val` (default=nil)
num-cols
(num-cols arr)
Inputs: [arr :- Array]
Returns: s/Int
Returns the number of cols of an Array.
num-rows
(num-rows arr)
Inputs: [arr :- Array]
Returns: s/Int
Returns the number of rows of an Array.
rotate-left
(rotate-left orig)
Inputs: [orig :- Array]
Returns: Array
Rotates an array 90 deg counter-clockwise. Returns a new array.
rotate-right
(rotate-right orig)
Inputs: [orig :- Array]
Returns: Array
Rotates an array 90 deg counter-clockwise. Returns a new array.
row-drop
(row-drop orig & idxs-drop)
Inputs: [orig :- Array & idxs-drop :- [s/Int]]
Returns: Array
Drop one or more rows from an array
row-get
(row-get arr ii)
Inputs: [arr :- Array ii :- s/Int]
Returns: tsk/Vec
Gets an Array row
row-set
(row-set arr ii new-row)
Inputs: [arr :- Array ii :- s/Int new-row :- tsk/Vec]
Returns: Array
Sets an Array row
row-vals->array
(row-vals->array nrows ncols row-data)
Inputs: [nrows :- s/Int ncols :- s/Int row-data :- tsk/Vec]
Returns: Array
Return a new Array of size=[nrows ncols] with its rows constructed from from row-data.
rows-append
(rows-append arr & rows)
Inputs: [arr :- Array & rows :- [tsk/Vec]]
Returns: Array
Appends one or more rows onto an array. Returns a new array.
symmetric?
(symmetric? arr)
Inputs: [arr :- Array]
Returns: s/Bool
Returns true iff an array is symmetric
transpose
(transpose orig)
Inputs: [orig :- Array]
Returns: Array
Returns the transpose of an array. Returns a new array.