$Erf: Difference between revisions
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Revision as of 20:57, 4 January 2012
Error function
Most Sirius $functions have been deprecated in favor of Object Oriented methods. There is currently no direct OO equivalent for the $Erf function.
The $Erf function returns the value:
- hp0 font=chapn.
- &thinsp.&'sub(x) &thinsp.&'sub(2)
2&sol.&radic.&pi. &'sub(0)&int. &thinsp.e&'sup(-z) &thinsp.dz
- ehp0.
Syntax
%num = $Erf(x)
See the SIRFUNC EXEC parameter for an explanation of when this high-performance, high-precision version of the IBM mathematical function from the Sirius Mods is used, as opposed to the version of the $function in the Model 204 FUND or FUNDLE CSECT.