[bug #68547] Provide fused multiply-add (FMA) function

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Follow-up Comment #3, bug #68547 (group octave):=0A=0AA possible point agai=
nst having this in core:  FMA performance seems rather=0Apoor without hardw=
are support, and hardware support is far from universal.  I=0Athink it beca=
me available in 2011 for AMD and 2013 for Intel.  It appears the=0A[https:/=
/store.steampowered.com/hwsurvey/En Steam Hardware Survey] found=0A95.35% s=
upport in June 2026.=0A=0AWhat microarchitecture level or feature set does =
Octave target?=0A=0A=0A=0A    _____________________________________________=
__________=0A=0AReply to this item at:=0A=0A  <https://savannah.gnu.org/bug=
s/?68547>=0A=0A_______________________________________________=0AMessage se=
nt via Savannah=0Ahttps://savannah.gnu.org/=0A
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