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Timeline of APL primitives: Difference between revisions
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! Year !! Dialect !! Primitives | ! Year !! Dialect !! Primitives | ||
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| 1965 || [[IVSYS/7090]] || [[Identity]] (<syntaxhighlight lang=apl inline>+</syntaxhighlight>), [[Add]], [[Negate]], [[Subtract]], [[Multiply]], [[Divide]], [[Floor]], [[Ceiling]], [[Minimum]], [[Maximum]], [[Absolute value]], [[Modulus]], [[Exponential]], [[Power]], [[Not]], [[And]], [[Or]], [[comparison]]s, [[Iota]], [[Index of]], [[Shape]], [[Reshape]], [[Ravel]], [[Catenate]], [[Rotate]] (as <syntaxhighlight lang=apl inline>↑↓</syntaxhighlight>), [[Member of]], [[Encode]], [[Decode]], [[Reduce]], [[Compress]], [[Expand]], [[Inner product]], [[Outer product]], [[Assignment]], [[Bracket indexing]], [[Branch]]/[[Label]] | | 1965 || [[IVSYS/7090]] || [[Identity]] (<syntaxhighlight lang=apl inline>+</syntaxhighlight>), [[Add]], [[Negate]], [[Subtract]], [[Multiply]], [[Divide]], [[Floor]], [[Ceiling]], [[Minimum]], [[Maximum]], [[Absolute value]], [[Modulus]], [[Exponential]], [[Power]], [[Not]], [[And]], [[Or]], [[comparison]]s, [[Iota]], [[Index of]], [[Shape]], [[Reshape]], [[Ravel]], [[Catenate]], [[Rotate]] (as <syntaxhighlight lang=apl inline>↑↓</syntaxhighlight>), [[Member of]], [[Encode]], [[Decode]], [[Reduce]], [[Compress]], [[Expand]], [[Inner product]], [[Outer product]], [[Assignment]] (including indexed), [[Bracket indexing]], [[Branch]]/[[Label]] | ||
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| 1966 || [[APL\360]] || [[Reciprocal]], [[Natural Logarithm]], [[Factorial]], [[Combinations]], [[Roll]], [[Transpose]], [[Reverse]]/[[Rotate]] (<syntaxhighlight lang=apl inline>⌽</syntaxhighlight>), [[Function axis]] | | 1966 || [[APL\360]] || [[Reciprocal]], [[Natural Logarithm]], [[Factorial]], [[Combinations]], [[Roll]], [[Transpose]], [[Reverse]]/[[Rotate]] (<syntaxhighlight lang=apl inline>⌽</syntaxhighlight>), [[Function axis]] | ||
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| 1973 || [[APL.SV]] || [[Execute]], [[Format]], [[Scan]] | | 1973 || [[APL.SV]] || [[Execute]], [[Format]], [[Scan]] | ||
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| 1974 || [[APL/700]] || [[Union]], [[Intersection]], [[Set Difference]] (but these functions only return unique elements), [[modified assignment]] (scalar dyadics only) | |||
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| 1980 || [[SHARP APL]] || [[GCD]]/[[LCM]] extending [[Or]]/[[And]] (proposed [[Eugene McDonnell|McDonnell]] 1975) | | 1980 || [[SHARP APL]] || [[GCD]]/[[LCM]] extending [[Or]]/[[And]] (proposed [[Eugene McDonnell|McDonnell]] 1975) | ||
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| 1983 || [[SHARP APL]] || [[Rank operator]] (<syntaxhighlight lang=apl inline>⍤</syntaxhighlight>) ([[Arthur Whitney|Whitney]] 1982) <br/> [[Left]] (<syntaxhighlight lang=apl inline>⊣</syntaxhighlight>), [[Right]] (<syntaxhighlight lang=apl inline>⊢</syntaxhighlight>), [[Conditional enclose]]/[[Link]] (<syntaxhighlight lang=apl inline>⊃</syntaxhighlight>) | | 1983 || [[SHARP APL]] || [[Rank operator]] (<syntaxhighlight lang=apl inline>⍤</syntaxhighlight>) ([[Arthur Whitney|Whitney]] 1982) <br/> [[Left]] (<syntaxhighlight lang=apl inline>⊣</syntaxhighlight>), [[Right]] (<syntaxhighlight lang=apl inline>⊢</syntaxhighlight>), [[Conditional enclose]]/[[Link]] (<syntaxhighlight lang=apl inline>⊃</syntaxhighlight>) | ||
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| 1984 || [[APL2]] || [[ | | 1984 || [[APL2]] || [[First]] (<syntaxhighlight lang=apl inline>↑</syntaxhighlight>) and [[Mix]] (<syntaxhighlight lang=apl inline>⊃</syntaxhighlight>) opposite to NARS, [[Partition]] (<syntaxhighlight lang=apl inline>⊂</syntaxhighlight>), [[Enlist]] (<syntaxhighlight lang=apl inline>∊</syntaxhighlight>), [[Find]] (<syntaxhighlight lang=apl inline>⍷</syntaxhighlight>), [[Depth]] (<syntaxhighlight lang=apl inline>≡</syntaxhighlight>), [[Index (function)|Index]] (<syntaxhighlight lang=apl inline>⌷</syntaxhighlight>), [[selective assignment]] | ||
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| 1987 || [[SHARP APL]] || [[Table]] (<syntaxhighlight lang=apl inline>⍪</syntaxhighlight>) <br/> short left argument for [[Take]], [[Drop]] | | 1987 || [[SHARP APL]] || [[Table]] (<syntaxhighlight lang=apl inline>⍪</syntaxhighlight>) <br/> short left argument for [[Take]], [[Drop]] | ||
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| 1989 || [[SHARP APL]] || [[Nub Sieve]] (<syntaxhighlight lang=apl inline>≠ | | 1989 || [[SHARP APL]] || [[Nub Sieve]] (<syntaxhighlight lang=apl inline>≠</syntaxhighlight>), [[Raze]] (<syntaxhighlight lang=apl inline>↓</syntaxhighlight>) ([[A Dictionary of APL]] 1987) | ||
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<!-- | ? || [[SHARP APL]] || [[From]] ([[Rationalized APL]] 1983) | <!-- | ? || [[SHARP APL]] || [[From]] ([[Rationalized APL]] 1983) | ||