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# This test function is automatically produced by the python script:/home/mm/SoilR-exp/pkg/inst/tests/automatic/Rexample.py
test.OnePool_C14_ZeroDecay_Zero_c14=function(){
require(RUnit)
t_start=0.0
t_end=2
tn=100
tol=.02/tn
#print(tol)
timestep=(t_end-t_start)/tn
t=seq(t_start,t_end,timestep)
A=new("ConstLinDecompOp",matrix(
nrow=1,
ncol=1,
c(
0
)
))
c01=1
inputrates=new("TimeMap",t_start,t_end,function(t){return(matrix(
nrow=1,
ncol=1,
c(
0
)
))})
f01=1
initialF=ConstFc( c(
f01
),
format="AbsoluteFractionModern")
Fc=BoundFc(function(t){0.5},t_start,t_end,format="AbsoluteFractionModern")
th=5730
k=log(0.5)/th
Y=matrix(ncol=1,nrow=length(t))
Y[,1]=c01
R=matrix(ncol=1,nrow=length(t))
R[,1]=0
Y14=matrix(ncol=1,nrow=length(t))
Y14[,1]=c01*f01*exp(-t*log(2)/5730)
F14=matrix(ncol=1,nrow=length(t))
F14[,1]=1000*f01*exp(-t*log(2)/5730) - 1000
mod=GeneralModel_14(
t=t,
A=A,
ivList= c(
c01
),
initialValF= initialF,
inputFluxes= inputrates,
inputFc= Fc,
di= k,
solverfunc= deSolve.lsoda.wrapper
)
Y14ode=getC14(mod)
F14ode=getF14(mod)
Yode=getC(mod)
Rode=getReleaseFlux(mod)
#begin plots
lt1=2
lt2=4
pdf(file="runit.OnePool_C14_ZeroDecay_Zero_c14.pdf",paper="a4")
m=matrix(c(1,2,3,4),4,1,byrow=TRUE)
layout(m)
plot(t,Y[,1],type="l",lty=lt1,col=1,ylab="Concentrations",xlab="Time")
lines(t,Yode[,1],type="l",lty=lt2,col=1)
legend(
"topright",
c(
"anylytic sol for pool 1",
"numeric sol for pool 1"
),
lty=c(lt1,lt2),
col=c(1,1)
)
plot(t,R[,1],type="l",lty=lt1,col=1,ylab="Respirationfluxes",xlab="Time",ylim=c(min(R),max(R)))
lines(t,Rode[,1],type="l",lty=lt2,col=1)
legend(
"topright",
c(
"anylytic sol for pool 1",
"numeric sol for pool 1"
),
lty=c(lt1,lt2),
col=c(1,1)
)
plot(t,Y14[,1],type="l",lty=lt1,col=1,ylab="14C-Concentrations",xlab="Time",ylim=c(min(Y14),max(Y14)))
lines(t,Y14ode[,1],type="l",lty=lt2,col=1)
plot(t,F14[,1],type="l",lty=lt1,col=1,ylab="14C-C ratio ",xlab="Time",ylim=c(min(F14,F14ode),max(F14,F14ode)))
lines(t,F14ode[,1],type="l",lty=lt2,col=1)
legend(
"topright",
c(
"anylytic sol for pool 1",
"numeric sol for pool 1"
),
lty=c(lt1,lt2),
col=c(1,1)
)
dev.off()
# end plots
# begin checks
tol=.02*max(Y14)/tn
checkEquals(
Y14,
Y14ode,
"test numeric solution for 14C-Content computed by the ode mehtod against analytical",
tolerance = tol,
)
checkEquals(
F14,
F14ode,
"test numeric solution for F14 computed by the ode mehtod against analytical",
tolerance = tol,
)
}
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