Programmer Guide/SPU Reference/LENGTH: Difference between revisions

Revision as of 13:33, 2 May 2011

Number of elements in A

In	Out	Description
`A_number`	`Y_number`	`Y` = \|`A`\|
`A_vector`	`Y_vector`	`Y`[i] = \|`A`[i]\|

with: 0 ≤ i < length of A_vector

@@ Line 1: / Line 1: @@
 {{DISPLAYTITLE:{{SUBPAGENAME}}}}
-====LENGTH - vector length====
+Number of elements in <var>A</var>
+==<code>[SPU ABS <var>A</var> OUT <var>Y</var>]</code>==
-Compute number of elements of input <var>A</var>.
+{|class="einrahmen"
+!In !!Out !!Description
-{|
 |-
-|if A is a number:
+|<var>A<sub>number</sub></var>
-|Y = 1
+|<var>Y<sub>number</sub></var>
+|<var>Y</var> = <nowiki>|</nowiki><var>A</var><nowiki>|</nowiki>
 |-
-|if A is a vector:
+|<var>A<sub>vector</sub></var>
-|Y = number of elements of <var>A</var>
+|<var>Y<sub>vector</sub></var>
-|}
+|<var>Y</var>[i] = <nowiki>|</nowiki><var>A</var>[i]<nowiki>|</nowiki>
-=====Usage:=====
-<code>LENGTH <var>A</var></code>
-=====Inputs:=====
-{|
-|-
-|A
-|number or vector
-|}
-=====Outputs:=====
-{|
-|-
-|<var>Y</var>
-|number of elements of A (number)
 |}
+with: 0 &le; i &lt; length of <var>A<sub>vector</sub></var>
+;See also:
+<[[../#Signal Processing Atoms|SP-atoms]]>
+<!-- AN, 2.5.2011 -->