$RxpR: Difference between revisions
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$rxpr(64, .5) = 8 | $rxpr(64, .5) = 8 | ||
$ | $rxpr(256, .25) = 4 | ||
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{{Template:Math $functions note}} | {{Template:Math $functions note}} | ||
Revision as of 18:52, 7 January 2012
Real base raised to real exponent
Most Sirius $functions have been deprecated in favor of Object Oriented methods. There is currently no direct OO equivalent for the $RxpR function.
The $RxpR function returns the value of its first argument raised to the power of its second argument.
Syntax
%num = $RxpR(x)
If either of the following is true, an error message is printed and a 0 is returned:
- x is less than zero.
- x equals 0, and y is less than or equal to 0.
For example:
$rxpr(9, 2) = 92 = 81 $rxpr(64, .5) = 8 $rxpr(256, .25) = 4
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.