taskLiberty Eiffel - Tasks: task #12652, Potentially suboptimal REAL_*...

 
 

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task #12652: Potentially suboptimal REAL_* infix "^"

Submitted by:  Cyril Adrian <cadrian>
Submitted on:  Fri Jun 7 07:46:52 2013  
 
Should Start On: Thu Jun 6 22:00:00 2013Should be Finished on: Thu Jun 6 22:00:00 2013
Category: Kernel librariesPriority: 5 - Normal
Status: NonePercent Complete: 0%
Assigned to: NoneOpen/Closed: Closed
Fixed Release: NonePlanned Release: None
Effort: 0.00

Thu Sep 12 09:44:57 2013, comment #1:

Wrong assumptions: "double scalbln(double x, long int exp)" and the other implements "x * FLT_RADIX ** exp"; FLT_RADIX usually is 2.

Paolo Redaelli <Tybor>
Project Administrator
Fri Jun 7 07:46:52 2013, original submission:

https://github.com/LibertyEiffel/Liberty/issues/57

I didn't know the functions "scalbn, scalbnf, scalbnl, scalbln, scalblnf, scalblnl - multiply floating-point number by integral power of radix".

I see that they are not used neither in the standard library neither in the compiler itself which prefer to reimplement it.
Is it perhaps better to use libc in cases like this?

Cyril Adrian <cadrian>
Project Administrator

 

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  • -unavailable- added by Tybor (Posted a comment)
  • -unavailable- added by cadrian (Submitted the item)
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    Follows 1 latest change.

    Date Changed By Updated Field Previous Value => Replaced By
    Thu Sep 12 09:44:57 2013TyborOpen/ClosedOpen=>Closed

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