WSJT-X/lib/averms.f90

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subroutine averms(x,n,nskip,ave,rms)
real x(n)
integer ipk(1)
ns=0
s=0.
sq=0.
ipk=maxloc(x)
do i=1,n
if(abs(i-ipk(1)).gt.nskip) then
s=s + x(i)
sq=sq + x(i)**2
ns=ns+1
endif
enddo
ave=s/ns
rms=sqrt(sq/ns - ave*ave)
return
end subroutine averms