Ivy: Difference between revisions
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| released = 2014 | | released = 2014 | ||
| developer = [[wikipedia:Rob Pike|Rob Pike]] | | developer = [[wikipedia:Rob Pike|Rob Pike]] | ||
| latest release version = 0.1. | | latest release version = 0.1.15 / 2022-01-25 | ||
| array model = [[flat array model|flat]] | | array model = [[flat array model|flat]] | ||
| index origin = <code>) origin</code> 0 or 1 | | index origin = <code>) origin</code> 0 or 1 | ||
Revision as of 15:32, 28 January 2022
Ivy is a calculator with APL syntax and functions developed by Rob Pike with the Go programming language (itself developed by Pike and others). Built-in functions are written with one or more ASCII characters, and use either the C-like symbols of Go or short names such as div or rot. With no looping constructs or recursion, Ivy is intended to perform computations and not for general-purpose programming. It emphasizes high-precision computation, using exact rationals when possible and high-precision floating-point numbers otherwise.
Ivy allows user-defined functions (called operators), but not higher-order operators; it has only the four built-in operators Reduce, Scan, Outer Product, and Inner Product. Functions are defined with the op keyword, with a declaration that matches the way the function will be used followed by = and a body of one or more lines (the result of the last is returned). Among APLs, this syntax most closely resembles that of A+.
| 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 ∙ TinyAPL |
| 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 |