R/read_astro.R

In mcrucifix/iceages: Ice age models and analysis

# Copyright (c) 2012 Michel Crucifix <michel.crucifix@uclouvain.be>

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# ------------------------------------------------------------------
# R Code developed for R version 2.15.2 (2012-10-26) -- "Trick or Treat"
# ------------------------------------------------------------------ 

read_astro <- function(nap=1, nao=1, sol='ber78') { 
if (sol=='ber78') {
 pfile <- file.path(path.package("iceages"),"orig","precession.dat")
 ofile <- file.path(path.package("iceages"),"orig","obliquity.dat")
} else if (sol=='la04') {
 pfile <- file.path(path.package("iceages"),"orig","precess_la04_fft.dat")
 ofile <- file.path(path.package("iceages"),"orig","obliquity_la04_fft.dat")
 } else { stop('unavailable astro solution') }
 Astro <-  .Call("c_readinsol", nap, nao, pfile, ofile)
 }