GNU APL: Difference between revisions
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GNU APL tends to prefer the [[Unicode]] ''Lozenge'' (U+25CA; <source lang=apl inline>◊</source>) and ''Element of'' (U+2208; <source lang=apl inline>∈</source>) over ''Diamond operator'' (U+22C4; <source lang=apl inline>⋄</source>) and ''Small Element of'' (U+220A; <source lang=apl inline>∊</source>) which are more commonly used by other dialects. This can lead to [[SYNTAX ERROR]]s if attempting to use code written for GNU APL in other implementations. However, GNU APL also accepts the more common code points. | GNU APL tends to prefer the [[Unicode]] ''Lozenge'' (U+25CA; <source lang=apl inline>◊</source>) and ''Element of'' (U+2208; <source lang=apl inline>∈</source>) over ''Diamond operator'' (U+22C4; <source lang=apl inline>⋄</source>) and ''Small Element of'' (U+220A; <source lang=apl inline>∊</source>) which are more commonly used by other dialects. This can lead to [[SYNTAX ERROR]]s if attempting to use code written for GNU APL in other implementations. However, GNU APL also accepts the more common code points. | ||
{{APL dialects}} | {{APL dialects}}[[Category:APL dialects]] | ||
Revision as of 13:27, 30 April 2020
GNU APL is a free and (almost) complete implementation of Extended APL as specified in ISO/IEC 13751:2001 and is thus similar to APL2. It was initially written and is being maintained by Jürgen Sauermann. It includes extensions such as complex numbers and a shared variable interface.
In addition to a normal local APL session, GNU APL can be scripted, and has an experimental online version.
Documents on GNU APL sometimes quote Richard Stallman, who both founded GNU and programmed in APL. However, Stallman is not directly associated with the project.
Encoding
GNU APL tends to prefer the Unicode Lozenge (U+25CA; ◊) and Element of (U+2208; ∈) over Diamond operator (U+22C4; ⋄) and Small Element of (U+220A; ∊) which are more commonly used by other dialects. This can lead to SYNTAX ERRORs if attempting to use code written for GNU APL in other implementations. However, GNU APL also accepts the more common code points.
| APL dialects [edit] | |
|---|---|
| Maintained | APL+Win ∙ APL2 ∙ APL64 ∙ APL\iv ∙ Aplette ∙ April ∙ Co-dfns ∙ Dyalog APL ∙ Dyalog APL Vision ∙ dzaima/APL ∙ GNU APL ∙ Kap ∙ NARS2000 ∙ Pometo |
| Historical | A Programming Language ∙ A+ (A) ∙ APL# ∙ APL2C ∙ APL\360 ∙ APL/700 ∙ APL\1130 ∙ APL\3000 ∙ APL.68000 ∙ APL*PLUS ∙ APL.jl ∙ APL.SV ∙ APLX ∙ Extended Dyalog APL ∙ Iverson notation ∙ IVSYS/7090 ∙ NARS ∙ ngn/apl ∙ openAPL ∙ Operators and Functions ∙ PAT ∙ Rowan ∙ SAX ∙ SHARP APL ∙ Rationalized APL ∙ VisualAPL (APLNext) ∙ VS APL ∙ York APL |
| Derivatives | AHPL ∙ BQN ∙ CoSy ∙ ELI ∙ Glee ∙ I ∙ Ivy ∙ J ∙ Jelly ∙ K (Goal, Klong, Q) ∙ KamilaLisp ∙ Lang5 ∙ Lil ∙ Nial ∙ RAD ∙ Uiua |
| Overviews | Comparison of APL dialects ∙ Timeline of array languages ∙ Timeline of influential array languages ∙ Family tree of array languages |