$ArcSin

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Inverse sine

Note: Most Sirius $functions have been deprecated in favor of Object Oriented methods. There is currently no direct OO equivalent for the $ArcSin function.

The $ArcSin function returns the arcsine (in radians) of a given argument. If the magnitude of the argument exceeds 1, an error message is printed and a 0 is returned.

Syntax

%num = $ArcSin(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.