https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=235413
Bug ID: 235413
Summary: [LIBM] optizimation for cexp and cexpf
Product: Base System
Version: CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: bin
Assignee: [email protected]
Reporter: [email protected]
Created attachment 201620
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=201620&action=edit
patch
The attach patch utilizes sincos[f] in the computation
of cexp[f]. For 20 million random z=x+Iy drawn in the
box defined by x,y in [0,MAX_EXP*LN2], this amounts to
a 8.7% and 11.4% speed improvement over computing sin[f]
and cos[f] individually in cexp[f].
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