https://github.com/cran/fields
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Tip revision: edc2e35928199cac9fcb165e66ad178009f37726 authored by Doug Nychka on 20 April 2012, 00:00:00 UTC
version 6.7.6
Tip revision: edc2e35
expfn.f

       subroutine expfn(n,d2, par)
       real*8 d2(n), par(1)
       integer n

         do 5 k =1,n
         d2(k)=  exp(-1*d2(k)**(par( 1)/2))
   5     continue

        return
        end
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