$RxpR: Difference between revisions
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==Syntax== | ==Syntax== | ||
<p class="syntax"><span class="term">%num</span><span class="literal"> = $RxpR(</span><span class="term">x</span><span class="literal">)</span> </p> | <p class="syntax"><span class="term">%num</span><span class="literal"> = $RxpR(</span><span class="term">x</span><span class="literal">,</span> <span class="term">y</span><span class="literal">)</span> </p> | ||
==Usage notes== | ==Usage notes== | ||
Revision as of 15:51, 21 August 2014
Real base raised to real exponent
Note: 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, y)
Usage notes
- 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.
- 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.
Examples
$rxpr(9, 2) = 92 = 81 $rxpr(64, .5) = 8 $rxpr(256, .25) = 4