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Subject: [OASIS Issue Tracker] (ODATA-1004) Sign of Modulo for positive right operand
[ https://issues.oasis-open.org/browse/ODATA-1004?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Michael Pizzo updated ODATA-1004: --------------------------------- Fix Version/s: V4.01_WD01 Component/s: OData URL Conventions > Sign of Modulo for positive right operand > ----------------------------------------- > > Key: ODATA-1004 > URL: https://issues.oasis-open.org/browse/ODATA-1004 > Project: OASIS Open Data Protocol (OData) TC > Issue Type: Bug > Components: OData URL Conventions > Affects Versions: V4.0_ERRATA03 > Environment: [Proposed] > Reporter: Michael Pizzo > Fix For: V4.01_WD01 > > > The current description of Modulo reads: > "If the right operand is negative, the sign of the result is the same as the sign of the left operand. If the right operand is zero, the request fails." > This leaves (intentionally?) ambiguous what the sign of the result should be if the right operand is positive. > Most programming languages appear to always use the sign of the left operand (C/C++, CoffeeScript, Fortran, Java, JavaScript, PHP, SQL, VB, XBase++,...) while some use the sign of the right operand (Ada, COBOL, Common LISP, Haskell, Excel, PERL, Python, R, Ruby,...) and some return a positive result always, but I didn't find any examples where the result was the sign of the left operand if, and only if, the right operand was negative. > Note that MOST of the languages that use the sign of the right operand have variants for returning the sign of the left operand. > We could specify: > 1) Sign is always the sign of the left operand (most commonly supported) > 2) Sign is always the sign of the right operand (less commonly supported) > 3) Sign is always positive > 4) Sign is undefined -- This message was sent by Atlassian JIRA (v6.2.2#6258)
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