Dyalog APL: Difference between revisions

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{|class=wikitable
{|class=wikitable
! Number !! Date          !! Features
! Number !! Year !! Month    !! Features
|-
|-
| 1      || April 1983     ||
| 1      || 1983 || April    ||
|-
|-
| 2      || 1984          ||
| 2      || 1984 ||           ||
|-
|-
| 3.0    || 1985          ||
| 3.0    || 1985 ||           ||
|-
|-
| 4.0    || October 1986   ||
| 4.0    || 1986 || October  ||
|-
|-
| 5.0    || April 1987     ||
| 5.0    || 1987 || April    ||
|-
|-
| 5.1    || April 1988     ||
| 5.1    || 1988 || April    ||
|-
|-
| 5.2    || January 1990   ||
| 5.2    || 1990 || January  ||
|-
|-
| 6.0    || April 1990     ||
| 6.0    || 1990 || April    ||
|-
|-
| 6.1    || October 1990   ||
| 6.1    || 1990 || October  ||
|-
|-
| 6.2    || April 1993     ||
| 6.2    || 1993 || April    ||
|-
|-
| 6.3    || October 1993   ||
| 6.3    || 1993 || October  ||
|-
|-
| 7.0    || August 1994   ||
| 7.0    || 1994 || August    ||
|-
|-
| 7.1    || May 1995       ||
| 7.1    || 1995 || May      ||
|-
|-
| 8.0    || May 1996       ||
| 8.0    || 1996 || May      ||
|-
|-
| 8.1    || March 1997     ||
| 8.1    || 1997 || March    ||
|-
|-
| 8.2    || January 1999   ||
| 8.2    || 1999 || January  ||
|-
|-
| 9.0    || September 2000 ||
| 9.0    || 2000 || September ||
|-
|-
| 9.0.1  || January 2001   ||
| 9.0.1  || 2001 || January  ||
|-
|-
| 9.0.2  || January 2002   ||
| 9.0.2  || 2002 || January  ||
|-
|-
| 9.5    || September 2002 ||
| 9.5    || 2002 || September ||
|-
|-
| 10.0  || March 2003     ||
| 10.0  || 2003 || March    ||
|-
|-
| 10.1  || July 2004     ||
| 10.1  || 2004 || July      ||
|-
|-
| 11.0  || October 2006   || <source lang=apl inline>⎕BASE</source>, <source lang=apl inline>⎕CLASS</source>, <source lang=apl inline>⎕DF</source>, <source lang=apl inline>⎕FIX</source>, <source lang=apl inline>⎕INSTANCES</source>, <source lang=apl inline>⎕NEW</source>, <source lang=apl inline>⎕SRC</source>, <source lang=apl inline>⎕THIS</source>
| 11.0  || 2006 || October  || <source lang=apl inline>⎕BASE</source>, <source lang=apl inline>⎕CLASS</source>, <source lang=apl inline>⎕DF</source>, <source lang=apl inline>⎕FIX</source>, <source lang=apl inline>⎕INSTANCES</source>, <source lang=apl inline>⎕NEW</source>, <source lang=apl inline>⎕SRC</source>, <source lang=apl inline>⎕THIS</source>
|-
|-
| 12.0  || August 2008   || <source lang=apl inline>⎕AVU</source>, <source lang=apl inline>⎕FCOPY</source>, <source lang=apl inline>⎕FPROPS</source>, <source lang=apl inline>⎕UCS</source>
| 12.0  || 2008 || August    || <source lang=apl inline>⎕AVU</source>, <source lang=apl inline>⎕FCOPY</source>, <source lang=apl inline>⎕FPROPS</source>, <source lang=apl inline>⎕UCS</source>
|-
|-
| 12.1  || November 2009 || [[I-Beam]] (<source lang=apl inline>⌶</source>), [[Table]] (<source lang=apl inline>⍪</source>), <source lang=apl inline>⎕XML</source>, <source lang=apl inline>⎕FCHK</source>
| 12.1  || 2009 || November  || [[I-Beam]] (<source lang=apl inline>⌶</source>), [[Table]] (<source lang=apl inline>⍪</source>), <source lang=apl inline>⎕XML</source>, <source lang=apl inline>⎕FCHK</source>
|-
|-
| 13.0  || April 2011     || [[Left]] (<source lang=apl inline>⊣</source>), [[Right]] (<source lang=apl inline>⊢</source>), [[Variant]] (<source lang=apl inline>⍠</source>), <source lang=apl inline>⎕OPT</source>, <source lang=apl inline>⎕R</source>, <source lang=apl inline>⎕S</source>, <source lang=apl inline>⎕FR</source>, <source lang=apl inline>⎕DCT</source>, <source lang=apl inline>⎕PROFILE</source>, <source lang=apl inline>⎕RSI</source>
| 13.0  || 2011 || April    || [[Left]] (<source lang=apl inline>⊣</source>), [[Right]] (<source lang=apl inline>⊢</source>), [[Variant]] (<source lang=apl inline>⍠</source>), <source lang=apl inline>⎕OPT</source>, <source lang=apl inline>⎕R</source>, <source lang=apl inline>⎕S</source>, <source lang=apl inline>⎕FR</source>, <source lang=apl inline>⎕DCT</source>, <source lang=apl inline>⎕PROFILE</source>, <source lang=apl inline>⎕RSI</source>
|-
|-
| 13.1  || April 2012     || <source lang=apl inline>⎕DMX</source>, <source lang=apl inline>⎕FHIST</source>
| 13.1  || 2012 || April    || <source lang=apl inline>⎕DMX</source>, <source lang=apl inline>⎕FHIST</source>
|-
|-
| 13.2  || January 2013   ||
| 13.2  || 2013 || January  ||
|-
|-
| 14.0  || June 2014     || [[Tally]] (<source lang=apl inline>≢</source>), [[Key]] (<source lang=apl inline>⌸</source>), [[Rank operator]] (<source lang=apl inline>⍤</source>)
| 14.0  || 2014 || June      || [[Tally]] (<source lang=apl inline>≢</source>), [[Key]] (<source lang=apl inline>⌸</source>), [[Rank operator]] (<source lang=apl inline>⍤</source>)
|-
|-
| 14.1  || June 2015     ||
| 14.1  || 2015 || June      ||
|-
|-
| 15.0  || June 2016     || <source lang=apl inline>⎕MKDIR</source>, <source lang=apl inline>⎕NDELETE</source>, <source lang=apl inline>⎕NEXISTS</source>, <source lang=apl inline>⎕NGET</source>, <source lang=apl inline>⎕NINFO</source>, <source lang=apl inline>⎕NPARTS</source>, <source lang=apl inline>⎕NPUT</source>
| 15.0  || 2016 || June      || <source lang=apl inline>⎕MKDIR</source>, <source lang=apl inline>⎕NDELETE</source>, <source lang=apl inline>⎕NEXISTS</source>, <source lang=apl inline>⎕NGET</source>, <source lang=apl inline>⎕NINFO</source>, <source lang=apl inline>⎕NPARTS</source>, <source lang=apl inline>⎕NPUT</source>
|-
|-
| 16.0  || June 2017     || [[At]] (<source lang=apl inline>@</source>), [[Interval Index]] (<source lang=apl inline>⍸</source>), [[Where]] (<source lang=apl inline>⍸</source>), [[Nest]] (<source lang=apl inline>⊆</source>), [[Partition]] (<source lang=apl inline>⊆</source>), [[Stencil]] (<source lang=apl inline>⌺</source>), <source lang=apl inline>⎕JSON</source>, <source lang=apl inline>⎕CSV</source>
| 16.0  || 2017 || June      || [[At]] (<source lang=apl inline>@</source>), [[Interval Index]] (<source lang=apl inline>⍸</source>), [[Where]] (<source lang=apl inline>⍸</source>), [[Nest]] (<source lang=apl inline>⊆</source>), [[Partition]] (<source lang=apl inline>⊆</source>), [[Stencil]] (<source lang=apl inline>⌺</source>), <source lang=apl inline>⎕JSON</source>, <source lang=apl inline>⎕CSV</source>
|-
|-
| 17.0  || July 2018     || <source lang=apl inline>⎕NCOPY</source>, <source lang=apl inline>⎕NMOVE</source>
| 17.0  || 2018 || July      || <source lang=apl inline>⎕NCOPY</source>, <source lang=apl inline>⎕NMOVE</source>
|-
|-
| 17.1  || October 2019   ||
| 17.1  || 2019 || October  ||
|-
| 18.0  ||colspan=2| Unreleased || [[Atop]] (<source lang=apl inline>⍤</source>), [[Over]] (<source lang=apl inline>⍥</source>), [[Constant]] (<source lang=apl inline>⍨</source>), [[Unique Mask]] (<source lang=apl inline>≠</source>)
|}
|}


Revision as of 14:44, 5 November 2019

Dyalog APL was first released by British company Dyadic Systems Ltd. (later Dyalog Ltd.) in 1983 for the Zylog Z80 processor. The name Dyalog is a portmanteau of Dyadic and Zylog. As of 2018, Dyalog APL is available for AIX, Linux (including on the Raspberry Pi), macOS and Microsoft Windows platforms. While mainly based is based on APL2, it adds support for both object-oriented, functional, and tacit programming. Dyalog APL also serves as the inspiration for many hobby implementations of APL.

In 1995, two of the development team — John Scholes and Peter Donnelly — were awarded the Iverson Award for their work on the interpreter. Gitte Christensen and Morten Kromberg were joint recipients of the Iverson Award in 2016.

Dyalog APL is unique among commercial APLs in getting additional primitives and constructs. The most important novel extension to the original APL language include:

  • 1983: Naming derived functions (sum←+⌿)
  • 1990: Namespaces (MyUtils.Fun args)
  • 1995: Keywords (If/Then/Else, Repeat/Until, exception handling, and so on)
  • 1996: Functional programming: dfns provide lexical scope and lambda-style expressions
  • 2006: Object orientated programming, allowing integration with OO frameworks and Microsoft .NET
  • 2014: Tacit syntax similar to that of J (+⌿÷≢)
  • 2014: Futures and isolates for Parallel computing

Versions

Number Year Month Features
1 1983 April
2 1984
3.0 1985
4.0 1986 October
5.0 1987 April
5.1 1988 April
5.2 1990 January
6.0 1990 April
6.1 1990 October
6.2 1993 April
6.3 1993 October
7.0 1994 August
7.1 1995 May
8.0 1996 May
8.1 1997 March
8.2 1999 January
9.0 2000 September
9.0.1 2001 January
9.0.2 2002 January
9.5 2002 September
10.0 2003 March
10.1 2004 July
11.0 2006 October ⎕BASE, ⎕CLASS, ⎕DF, ⎕FIX, ⎕INSTANCES, ⎕NEW, ⎕SRC, ⎕THIS
12.0 2008 August ⎕AVU, ⎕FCOPY, ⎕FPROPS, ⎕UCS
12.1 2009 November I-Beam (⌶), Table (⍪), ⎕XML, ⎕FCHK
13.0 2011 April Left (⊣), Right (⊢), Variant (⍠), ⎕OPT, ⎕R, ⎕S, ⎕FR, ⎕DCT, ⎕PROFILE, ⎕RSI
13.1 2012 April ⎕DMX, ⎕FHIST
13.2 2013 January
14.0 2014 June Tally (≢), Key (⌸), Rank operator (⍤)
14.1 2015 June
15.0 2016 June ⎕MKDIR, ⎕NDELETE, ⎕NEXISTS, ⎕NGET, ⎕NINFO, ⎕NPARTS, ⎕NPUT
16.0 2017 June At (@), Interval Index (⍸), Where (⍸), Nest (⊆), Partition (⊆), Stencil (⌺), ⎕JSON, ⎕CSV
17.0 2018 July ⎕NCOPY, ⎕NMOVE
17.1 2019 October
18.0 Unreleased Atop (⍤), Over (⍥), Constant (⍨), Unique Mask (≠)

Primitives

Functions

Glyph Monadic Dyadic
+ Conjugate Plus
- Negate Minus
× Signum Times
÷ Reciprocal Divide
| Magnitude Residue
⌊ Floor Minimum
⌈ Ceiling Maximum
* Exponential Power
⍟ Natural Logarithm Logarithm
! Factorial Binomial
○ Pi Times Circular
~ Not Without
? Roll Query
∧ And
∨ Or
⍲ Nand
⍱ Nor
< Less
≤ Less Or Equal
= Equal
≥ Greater Or Equal
> Greater
≠ Unique Mask Not Equal
⍴ Shape Reshape
, Ravel Catenate
⍪ Table Catenate First
⌽ Reverse Rotate
⊖ Reverse First Rotate First
⍉ Transpose
↑ Mix/Disclose Take
↓ Split Drop
⊂ Enclose Partitioned Enclose
⊆ Nest Partition
∊ Enlist/Type Membership
⊃ Disclose/Mix Pick
/ Replicate
⌿ Replicate First
\ Expand
⍀ Expand First
∩ Intersection
∪ Unique Union
⊣ Same Left
⊢ Same Right
⍳ Index Generator Index Of
⍸ Where Interval Index
⍒ Grade Down
⍋ Grade Up
⍷ Find
≡ Depth Match
≢ Tally Not Match
⍎ Execute
⍕ Format
⊥ Base
⊤ Represent
⌹ Matrix Inverse Matrix Divide
⌷ Materialise Squad Indexing

Operators

Syntax Monadic call Dyadic call
f/ Reduction Windowed Reduction
f⌿ Reduction First Windowed Reduction First
f\ Scan
f⍀ Scan First
f¨ Each
f⍨ Commute
A⍨ Constant
f⍣v Power
f.g Inner Product
∘.f Outer Product
A∘g Bind
f∘B
f∘g Beside
f⍤B Rank
f⍤g Atop
f⍥g Over
f@v At
f⍠B Variant
f⌸ Key
f⌺B Stencil
A⌶ I-Beam
f& Spawn
f[B] Axis

External links

Template:APL programming language

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