# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Library General Public License for more details.
#
# You should have received a copy of the GNU Library General
# Public License along with this library; if not, write to the
# Free Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA  02111-1307  USA

# Copyrights (C)
# for this R-port: 
#   1999 - 2007, Diethelm Wuertz, GPL
#   Diethelm Wuertz <wuertz@itp.phys.ethz.ch>
#   info@rmetrics.org
#   www.rmetrics.org
# for the code accessed (or partly included) from other R-ports:
#   see R's copyright and license files
# for the code accessed (or partly included) from contributed R-ports
# and other sources
#   see Rmetrics's copyright file


################################################################################
# FUNCTIONS:          DESCRIPTION:
#  fgnTrueacf          Returns FGN true autocorrelation function
#  fgnTruefft          Returns FGN true fast Fourier transform
#  farimaTrueacf       Returns FARMA true autocorrelation function
#  farimaTruefft       Returns FARMA true fast Fourier transform
################################################################################


test.fgnTrueacf = 
function()
{  
    # Try: 
    #   farimaStatsSlider()
    #   fgnStatsSlider()

    # FGN True ACF:
    ans = fgnTrueacf(n = 1000, H = 0.7)[1:5]
    print(ans)
    target = round(sum(ans), 2)
    print(target)
    current = 1.78
    checkEquals(target, current)
    
    # Return Value:
    return()   
}


# ------------------------------------------------------------------------------


test.fgnTruefft = 
function()
{  
    # FGN True FFT:
    ans = fgnTruefft(n = 1000, H = 0.7)[1:3]
    print(ans)
    target = Re(round(sum(ans), 2))
    print(target)
    current = 40.19
    checkEquals(target, current)
    
    # Return Value:
    return()   
}


################################################################################