System Function AT - Revision history

WikiSysop at 14:42, 19 March 2019

2019-03-19T14:42:18Z

← Older revision		Revision as of 10:42, 19 March 2019
Line 27:		Line 27:
	<apll>[7]</apll> Millisecond<br />		<apll>[7]</apll> Millisecond<br />
	<br />		<br />
	If an object named in <apll>R</apll> is not a user-defined function/operator, the corresponding row in the result is all <apll>0</apll>. All times are in UTC and represent the time the function was last modified.		If an object named in <apll>R</apll> is not a user-defined function/operator/hyperator, the corresponding row in the result is all <apll>0</apll>. All times are in UTC and represent the time the function was last modified.
	</p></li>		</p></li>

WikiSysop at 14:25, 14 February 2019

2019-02-14T14:25:59Z

← Older revision		Revision as of 10:25, 14 February 2019
Line 1:		Line 1:
	{{BoxStart\|<apll>Z←L ⎕AT R</apll>		{{BoxStart\|<apll>Z←L ⎕AT R</apll>
	\|returns the attributes of the objects named in <apll>R</apll>.}}		\|returns the attributes of the objects named in <apll>R</apll>.}}
	{{BoxLine\|<apll>R</apll> is a character scalar, vector, or matrix consisting of the names of objects (e.g., variables, functions, or ~~operators~~).}}		{{BoxLine\|<apll>R</apll> is a character scalar, vector, or matrix consisting of the names of objects (e.g., variables, functions, operators, or hyperators).}}
	{{BoxLine\|<apll>L</apll> is an integer scalar whose value is either <apll>1</apll>, <apll>2</apll>, <apll>3</apll>, <apll>4</apll>, or <apll>10</apll>.}}		{{BoxLine\|<apll>L</apll> is an integer scalar whose value is either <apll>1</apll>, <apll>2</apll>, <apll>3</apll>, <apll>4</apll>, or <apll>10</apll>.}}
	{{BoxEnd\|<apll>Z</apll> is an integer vector or matrix.}}		{{BoxEnd\|<apll>Z</apll> is an integer vector or matrix.}}
Line 12:		Line 12:

	<ul>		<ul>
	<li><p>If <apll>L</apll> is <apll>1</apll>, the result describes the '''Valences''' of the objects named in <apll>R</apll> and has ~~three~~ columns consisting of<br />		<li><p>If <apll>L</apll> is <apll>1</apll>, the result describes the '''Valences''' of the objects named in <apll>R</apll> and has four columns consisting of<br />
	<apll>[1]</apll> Whether or not there is an '''Explicit result''' (<apll>1</apll> or <apll>0</apll>): This value is <apll>1</apll> for variables and for functions/operators that return a result; <apll>0</apll> otherwise.<br />		<apll>[1]</apll> Whether or not there is an '''Explicit result''' (<apll>1</apll> or <apll>0</apll>): This value is <apll>1</apll> for variables and for functions/operators/hyperators that return a result; <apll>0</apll> otherwise.<br />
	<apll>[2]</apll> The '''Function Valence''' (<apll>0</apll>, <apll>1</apll>, or <apll>2</apll>): This value is <apll>0</apll> for a non-function or for a niladic function, <apll>1</apll> for a monadic function or for a monadic derived function from an operator, and <apll>2</apll> for a dyadic or ambivalent function or for a dyadic or ambivalent derived function from an operator.<br />		<apll>[2]</apll> The '''Function Valence''' (<apll>0</apll>, <apll>1</apll>, or <apll>2</apll>): This value is <apll>0</apll> for a non-function or for a niladic function, <apll>1</apll> for a monadic function or for a monadic derived function from an operator/hyperator, and <apll>2</apll> for a dyadic or ambivalent function or for a dyadic or ambivalent derived function from an operator/hyperator.<br />
	<apll>[3]</apll> The '''Operator valence''' (<apll>0</apll>, <apll>1</apll>, or <apll>2</apll>): This value is <apll>0</apll> for a non-operator, <apll>1</apll> for a monadic operator, and <apll>2</apll> for a dyadic operator.</p></li>		<apll>[3]</apll> The '''Operator valence''' (<apll>0</apll>, <apll>1</apll>, or <apll>2</apll>): This value is <apll>0</apll> for a non-operator, <apll>1</apll> for a monadic operator, and <apll>2</apll> for a dyadic operator.<br />
			<apll>[4]</apll> The '''Hyperator valence'''(<apll>0</apll>, <apll>1</apll>, or <apll>2</apll>): This value is <apll>0</apll> for a non-hyperator, <apll>1</apll> for a monadic hyperator, and <apll>2</apll> for a dyadic hyperator.</p></li>

	<li><p>If <apll>L</apll> is <apll>2</apll>, the result describes the '''Fix Time''' of the objects named in <apll>R</apll> and has seven columns consisting of<br />		<li><p>If <apll>L</apll> is <apll>2</apll>, the result describes the '''Fix Time''' of the objects named in <apll>R</apll> and has seven columns consisting of<br />
Line 48:		Line 49:
	<tr>		<tr>
	<td><apll>0</apll></td>		<td><apll>0</apll></td>
	<td>The object is not a function/operator</td>		<td>The object is not a function/operator/hyperator</td>
	</tr>		</tr>

	<tr>		<tr>
	<td><apll>1</apll></td>		<td><apll>1</apll></td>
	<td>The object is a '''Primitive Function or ~~Operator~~'''</td>		<td>The object is a '''Primitive Function, Operator, or Hyperator'''</td>
	<td><apll>f←+</apll></td>		<td><apll>f←+</apll></td>
	<td><apll>f←/</apll></td>		<td><apll>f←/</apll></td>
Line 60:		Line 61:
	<tr>		<tr>
	<td><apll>2</apll></td>		<td><apll>2</apll></td>
	<td>The object is a '''Derived Function or ~~Operator~~'''</td>		<td>The object is a '''Derived Function, Operator, or Hyperator'''</td>
	<td><apll>f←+/</apll></td>		<td><apll>f←+/</apll></td>
	<td><apll>f←⍨∘÷</apll></td>		<td><apll>f←⍨∘÷</apll></td>
Line 67:		Line 68:
	<tr>		<tr>
	<td><apll>3</apll></td>		<td><apll>3</apll></td>
	<td>The object is a '''User-defined Function or ~~Operator~~'''</td>		<td>The object is a '''User-defined Function, Operator, or Hyperator'''</td>
	<td><apll>∇f</apll></td>		<td><apll>∇f</apll></td>
	<td><apll>∇(LO f) R</apll></td>		<td><apll>∇(LO f) R</apll></td>
			<td> </td>
			<td><apll>∇(LO (LH f RH)) R</apll></td>
	</tr>		</tr>

	<tr>		<tr>
	<td><apll>4</apll></td>		<td><apll>4</apll></td>
	<td>The object is a '''System Function or ~~Operator~~'''</td>		<td>The object is a '''System Function, Operator, or Hyperator'''</td>
	<td><apll>f←⎕NL</apll></td>		<td><apll>f←⎕NL</apll></td>
	</tr>		</tr>
Line 80:		Line 83:
	<tr>		<tr>
	<td><apll>5</apll></td>		<td><apll>5</apll></td>
	<td>The object is an '''Anonymous Function or ~~Operator~~'''</td>		<td>The object is an '''Anonymous Function, Operator, or Hyperator'''</td>
	<td><apll>f←{⍺+⍵}</apll></td>		<td><apll>f←{⍺+⍵}</apll></td>
	<td><apll>f←{⍺⍺/¨⍵}</apll></td>		<td><apll>f←{⍺⍺/¨⍵}</apll></td>
			<td>        </td>
			<td><apll>f←{⍺⍺⍺⍨⍺⍺/¨⍵}</apll></td>
	</tr>		</tr>

Line 120:		Line 125:
	LCase		LCase
	(1 ⎕AT X),'\|',(2 ⎕AT X),'\|',(3 ⎕AT X),'\|',(4 ⎕AT X),'\|',(10 ⎕AT X)		(1 ⎕AT X),'\|',(2 ⎕AT X),'\|',(3 ⎕AT X),'\|',(4 ⎕AT X),'\|',(10 ⎕AT X)
	1 1 0 \| 2015 2 4 0 23 55 926 \| 0 0 0 0 \| 19626 6434 \| 3		1 1 0 0 \| 2015 2 4 0 23 55 926 \| 0 0 0 0 \| 19626 6434 \| 3
	1 1 0 \| 2015 2 4 0 23 37 839 \| 0 0 0 0 \| 18424 6448 \| 3		1 1 0 0 \| 2015 2 4 0 23 37 839 \| 0 0 0 0 \| 18424 6448 \| 3

	⍝ 1 1 0 = {Yes Explicit Function Result Z} {Monadic Function Valence} {Non-Operator} : 1 ⎕AT fcn-names		⍝ 1 1 0 0 = {Yes Explicit Function Result Z} {Monadic Function Valence} {Non-Operator} {Non-Hyperator} : 1 ⎕AT fcn-names
	⍝ UTC/GMT Date/Time last edited-saved : 2 ⎕AT fcn-names		⍝ UTC/GMT Date/Time last edited-saved : 2 ⎕AT fcn-names
	⍝ 0 0 0 0 = {Non-displayable (0), Non-suspendable (0), Ignores weak interrupts (0), Always zero (0)} : 3 ⎕AT fcn-names		⍝ 0 0 0 0 = {Non-displayable (0), Non-suspendable (0), Ignores weak interrupts (0), Always zero (0)} : 3 ⎕AT fcn-names
	⍝ 19626 6434 = {object header and data sizes, # bytes} {data size only, # bytes} : 4 ⎕AT fcn-names		⍝ 19626 6434 = {object header and data sizes, # bytes} {data size only, # bytes} : 4 ⎕AT fcn-names
	⍝ 3 = {Function Type = User-~~defined~~ Function/~~operator~~} : 10 ⎕AT fcn-names		⍝ 3 = {Function Type = User-Defined Function/Operator/Hyperator} : 10 ⎕AT fcn-names

	⍝ BE ADVISED: 2 ⎕AT for each object will be in UTC/GMT time (ditto ⎕VR) while ⎕TS will be in local time (e.g. Eastern or Pacific time),		⍝ BE ADVISED: 2 ⎕AT for each object will be in UTC/GMT time (ditto ⎕VR) while ⎕TS will be in local time (e.g. Eastern or Pacific time),

WikiSysop at 17:19, 21 March 2018

2018-03-21T17:19:53Z

← Older revision		Revision as of 13:19, 21 March 2018
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	<apll>[2]</apll> The object's data size only.<br />		<apll>[2]</apll> The object's data size only.<br />
	</p></li>		</p></li>


	<li><p>If <apll>L</apll> is <apll>10</apll>, the result describes the '''Function Type''' of the objects named in <apll>R</apll>. The values in the result are integer scalars one per name in <apll>R</apll> and have the following meaning:<br /></p>		<li><p>If <apll>L</apll> is <apll>10</apll>, the result describes the '''Function Type''' of the objects named in <apll>R</apll>. The values in the result are integer scalars one per name in <apll>R</apll> and have the following meaning:<br /></p>
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	<td>The object is a '''Train'''</td>		<td>The object is a '''Train'''</td>
	<td><apll>f←(+/÷≢)</apll></td>		<td><apll>f←(+/÷≢)</apll></td>
			</tr>

			<tr>
			<td><apll>7</apll></td>
			<td>The object is a '''Name-Associated Function'''</td>
			<td>Not as yet implemented</td>
			</tr>

			<tr>
			<td><apll>8</apll></td>
			<td>The object is a '''Java-Associated Function'''</td>
			<td>Not as yet implemented</td>
	</tr>		</tr>
	</table>		</table>
Line 108:		Line 119:
	UCase		UCase
	LCase		LCase
	(1 ⎕AT X),'\|',(2 ⎕AT X),'\|',(3 ⎕AT X),'\|',(4 ⎕AT X)		(1 ⎕AT X),'\|',(2 ⎕AT X),'\|',(3 ⎕AT X),'\|',(4 ⎕AT X),'\|',(10 ⎕AT X)
	1 1 0 \| 2015 2 4 0 23 55 926 \| 0 0 0 0 \| 19626 6434		1 1 0 \| 2015 2 4 0 23 55 926 \| 0 0 0 0 \| 19626 6434 \| 3
	1 1 0 \| 2015 2 4 0 23 37 839 \| 0 0 0 0 \| 18424 6448		1 1 0 \| 2015 2 4 0 23 37 839 \| 0 0 0 0 \| 18424 6448 \| 3

	⍝ 1 1 0 = {Yes Explicit Function Result Z} {Monadic Function Valence} {Non-Operator} : 1 ⎕AT fcn-names ~~(Results)~~		⍝ 1 1 0 = {Yes Explicit Function Result Z} {Monadic Function Valence} {Non-Operator} : 1 ⎕AT fcn-names
	⍝ UTC/GMT Date/Time last edited-saved : 2 ⎕AT fcn-names		⍝ UTC/GMT Date/Time last edited-saved : 2 ⎕AT fcn-names
	⍝ 0 0 0 0 = {~~Not yet implemented in NARS~~} : 3 ⎕AT fcn-names		⍝ 0 0 0 0 = {Non-displayable (0), Non-suspendable (0), Ignores weak interrupts (0), Always zero (0)} : 3 ⎕AT fcn-names
	⍝ 19626 6434 = {object header and data sizes, # bytes} {data size only, # bytes} : 4 ⎕AT fcn-names		⍝ 19626 6434 = {object header and data sizes, # bytes} {data size only, # bytes} : 4 ⎕AT fcn-names
			⍝ 3 = {Function Type = User-defined Function/operator} : 10 ⎕AT fcn-names

	⍝ BE ADVISED: 2 ⎕AT for each object will be in UTC/GMT time(ditto ⎕VR) while ⎕TS will be in local time(e.g. Eastern or Pacific time),		⍝ BE ADVISED: 2 ⎕AT for each object will be in UTC/GMT time (ditto ⎕VR) while ⎕TS will be in local time (e.g. Eastern or Pacific time),
	⍝ so for comparisons between (2 ⎕AT functions v. ⎕TS) you have to add or subtract n hours from one or the other for equivalency!		⍝ so for comparisons between (2 ⎕AT functions v. ⎕TS) you have to add or subtract n hours from one or the other for equivalency!
	</pre></big>		</pre></big>

WikiSysop at 19:36, 17 March 2018

2018-03-17T19:36:07Z

@@ Line 2: / Line 2: @@
 |returns the attributes of the objects named in <apll>R</apll>.}}
 {{BoxLine|<apll>R</apll> is a character scalar, vector, or matrix consisting of the names of objects (e.g., variables, functions, or operators).}}
-{{BoxLine|<apll>L</apll> is an integer scalar whose value is either <apll>1</apll>, <apll>2</apll>, <apll>3</apll>, or <apll>4</apll>.}}
+{{BoxLine|<apll>L</apll> is an integer scalar whose value is either <apll>1</apll>, <apll>2</apll>, <apll>3</apll>, <apll>4</apll>, or <apll>10</apll>.}}
 {{BoxEnd|<apll>Z</apll> is an integer vector or matrix.}}
 <p>If <apll>R</apll> is a scalar, it is treated as the name; if <apll>R</apll> is a vector, it is treated as a vector of names separated from one another by one or more blanks; if <apll>R</apll> is a matrix, each row is treated as a single name surrounded by zero or more blanks.</p>
-<p>If <apll>R</apll> consists of a single name, <apll>Z</apll> is a vector; otherwise <apll>Z</apll> is a matrix with as many rows as there are names in <apll>R</apll>.</p>
+<p>If <apll>R</apll> consists of a single name or <apll>L</apll> is <apll>10</apll>, <apll>Z</apll> is a vector; otherwise <apll>Z</apll> is a matrix with as many rows as there are names in <apll>R</apll>.</p>
 <p>The number of columns in <apll>Z</apll> depends upon the value of <apll>L</apll>.</p>
@@ Line 42: / Line 42: @@
 <apll>[2]</apll> The object's data size only.<br />
 </p></li>
 </ul>

Robert Wallick: UTC v. local time in examples

2015-03-05T23:56:42Z

UTC v. local time in examples

← Older revision		Revision as of 19:56, 5 March 2015
Line 62:		Line 62:

	⍝ 1 1 0 = {Yes Explicit Function Result Z} {Monadic Function Valence} {Non-Operator} : 1 ⎕AT fcn-names (Results)		⍝ 1 1 0 = {Yes Explicit Function Result Z} {Monadic Function Valence} {Non-Operator} : 1 ⎕AT fcn-names (Results)
	⍝ Date/Time last edited : 2 ⎕AT fcn-names		⍝ UTC/GMT Date/Time last edited-saved : 2 ⎕AT fcn-names
	⍝ 0 0 0 0 = {Not yet implemented in NARS} : 3 ⎕AT fcn-names		⍝ 0 0 0 0 = {Not yet implemented in NARS} : 3 ⎕AT fcn-names
	⍝ 19626 6434 = {object header and data sizes, # bytes} {data size only, # bytes} : 4 ⎕AT fcn-names		⍝ 19626 6434 = {object header and data sizes, # bytes} {data size only, # bytes} : 4 ⎕AT fcn-names

			⍝ BE ADVISED: 2 ⎕AT for each object will be in UTC/GMT time(ditto ⎕VR) while ⎕TS will be in local time(e.g. Eastern or Pacific time),
			⍝ so for comparisons between (2 ⎕AT functions v. ⎕TS) you have to add or subtract n hours from one or the other for equivalency!
	</pre></big>		</pre></big>
	'''See Also: [[System_Function_TS\|Quad Time Stamp ⎕TS]]''' for 7-element DateTime stamp format.<br>		'''See Also: [[System_Function_TS\|Quad Time Stamp ⎕TS]]''' for 7-element DateTime stamp format.<br>

	{{SFD\|AT}}		{{SFD\|AT}}

Robert Wallick: added examples

2015-03-05T18:02:21Z

added examples

@@ Line 43: / Line 43: @@
 </p></li>
 </ul>
 {{SFD|AT}}

Paul Robinson: remove now redundant template

2014-11-24T13:56:51Z

remove now redundant template

← Older revision		Revision as of 09:56, 24 November 2014
Line 45:		Line 45:

	{{SFD\|AT}}		{{SFD\|AT}}
	~~{{System Variables}}~~

Paul Robinson at 00:55, 28 February 2013

2013-02-28T00:55:41Z

← Older revision		Revision as of 20:55, 27 February 2013
Line 44:		Line 44:
	</ul>		</ul>

	{~~quad~~}~~AT is a ''[[dyadic]]'' system function, you cannot assign a value to it.~~		{{SFD\|AT}}

	{{System Variables}}		{{System Variables}}

Paul Robinson at 21:50, 27 February 2013

2013-02-27T21:50:36Z

← Older revision		Revision as of 17:50, 27 February 2013
Line 44:		Line 44:
	</ul>		</ul>

	{quad}AT is a dyadic system function, ~~which means~~ you cannot assign a value to it.		{quad}AT is a ''[[dyadic]]'' system function, you cannot assign a value to it.

	{{System Variables}}		{{System Variables}}

Paul Robinson at 21:30, 27 February 2013

2013-02-27T21:30:27Z

@@ Line 1: / Line 1: @@
-<table border="1" cellpadding="5" cellspacing="0" rules="none" summary="">
+{{BoxStart|<apll>Z←L ⎕AT R</apll>
-<tr>
+|returns the attributes of the objects named in <apll>R</apll>.}}
-  <td>
+{{BoxLine|<apll>R</apll> is a character scalar, vector, or matrix consisting of the names of objects (e.g., variables, functions, or operators).}}
-    <table border="0" cellpadding="5" cellspacing="0" summary="">
+{{BoxLine|<apll>L</apll> is an integer scalar whose value is either <apll>1</apll>, <apll>2</apll>, <apll>3</apll>, or <apll>4</apll>.}}
-    <tr>
+{{BoxEnd|<apll>Z</apll> is an integer vector or matrix.}}
 <p>If <apll>R</apll> is a scalar, it is treated as the name; if <apll>R</apll> is a vector, it is treated as a vector of names separated from one another by one or more blanks; if <apll>R</apll> is a matrix, each row is treated as a single name surrounded by zero or more blanks.</p>