ISO/IEC 13751:2001: Difference between revisions
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'''ISO/IEC 13751:2001''', or the '''Extended APL standard''', is an [[wikipedia:international standard|international standard]] specifying behavior for a [[Nested array model|nested]] APL dialect. Issued jointly by [[wikipedia:International Organization for Standardization|ISO]] and [[wikipedia:International Electrotechnical Commission|IEC]] and succeeding [[ISO 8485:1989]] (which supported only flat and not nested arrays), it is the most recent APL standard. While based primarily on [[APL2]], the standard includes some features not present in APL2, such as the [[Commute]] and [[Rank (operator)|Rank]] operators, the [[Identity function]]s, and [[GCD]] and [[LCM]] extending Or and And. | '''ISO/IEC 13751:2001''', or the '''Extended APL standard''', is an [[wikipedia:international standard|international standard]] specifying behavior for a [[Nested array model|nested]] APL dialect. Issued jointly by [[wikipedia:International Organization for Standardization|ISO]] and [[wikipedia:International Electrotechnical Commission|IEC]] and succeeding [[ISO 8485:1989]] (which supported only flat and not nested arrays), it is the most recent APL standard. While based primarily on [[APL2]], the standard includes some features not present in APL2, such as the [[Commute]] and [[Rank (operator)|Rank]] operators, the [[Identity function]]s, and [[GCD]] and [[LCM]] extending Or and And. | ||
Some modern dialects, such as [[APLX]] and [[GNU APL]], are based on ISO/IEC 13751:2001, while others, such as [[APL+Win]] and [[Dyalog]], have a slightly different set of [[quad name]]s and provide the [[migration level]] functionality to improve compatibility. In a 2005 study (prior to the existence of GNU APL), APL compiler [[APL2C]] was found to have the fewest features differing from the standard, followed by APLX and [[APL2]].<ref>F.H.D. van Batenburg. [http://archive.vector.org.uk/art10000930 Conformity of APL Implementations to the ISO APL Standard]. [[Vector journal]] Volume 21, No.3. 2005-05.</ref> | Some modern dialects, such as [[APLX]] and [[GNU APL]], are based on ISO/IEC 13751:2001, while others, such as [[APL+Win]] and [[Dyalog]], have a slightly different set of [[quad name]]s and provide the [[migration level]] functionality to improve compatibility. In a 2005 study (prior to the existence of GNU APL, as well as the addition of features from the standard to various dialects), APL compiler [[APL2C]] was found to have the fewest features differing from the standard, followed by APLX and [[APL2]].<ref>F.H.D. van Batenburg. [http://archive.vector.org.uk/art10000930 Conformity of APL Implementations to the ISO APL Standard]. [[Vector journal]] Volume 21, No.3. 2005-05.</ref> | ||
== External links == | == External links == | ||
Revision as of 22:43, 9 March 2024
ISO/IEC 13751:2001, or the Extended APL standard, is an international standard specifying behavior for a nested APL dialect. Issued jointly by ISO and IEC and succeeding ISO 8485:1989 (which supported only flat and not nested arrays), it is the most recent APL standard. While based primarily on APL2, the standard includes some features not present in APL2, such as the Commute and Rank operators, the Identity functions, and GCD and LCM extending Or and And.
Some modern dialects, such as APLX and GNU APL, are based on ISO/IEC 13751:2001, while others, such as APL+Win and Dyalog, have a slightly different set of quad names and provide the migration level functionality to improve compatibility. In a 2005 study (prior to the existence of GNU APL, as well as the addition of features from the standard to various dialects), APL compiler APL2C was found to have the fewest features differing from the standard, followed by APLX and APL2.[1]
External links
References
- ↑ F.H.D. van Batenburg. Conformity of APL Implementations to the ISO APL Standard. Vector journal Volume 21, No.3. 2005-05.
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