R Under development (unstable) (2024-09-28 r87201 ucrt) -- "Unsuffered Consequences"
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> #__________________________________________________
> #test file
> 
> require(lifecontingencies)
Loading required package: lifecontingencies
Package:  lifecontingencies
Authors:  Giorgio Alfredo Spedicato [aut, cre]
    (<https://orcid.org/0000-0002-0315-8888>),
  Christophe Dutang [ctb] (<https://orcid.org/0000-0001-6732-1501>),
  Reinhold Kainhofer [ctb] (<https://orcid.org/0000-0002-7895-1311>),
  Kevin J Owens [ctb],
  Ernesto Schirmacher [ctb],
  Gian Paolo Clemente [ctb] (<https://orcid.org/0000-0001-6795-4595>),
  Ivan Williams [ctb]
Version:  1.3.12
Date:     
BugReport: https://github.com/spedygiorgio/lifecontingencies/issues

> 
> #__________________________________________________
> 
> 
> tol <- (.Machine$double.eps)^(1/3)
> 
> 
> #see file R/testfunc-financial.R
> 
> getrentest <- lifecontingencies:::getrentest
> 
> getcapitalst <- lifecontingencies:::getcapitalst
> 
> getrentestthly <- lifecontingencies:::getrentestthly
> 
> getcapitalstthly <- lifecontingencies:::getcapitalstthly
> 
> 
> #US life table 1979-1981 p 60 Actuarial mathematics
> x <- 0:109
> lx <- c(100000, 
+         98000+ c(740, 648, 584, 535, 495, 459, 426, 396, 370, 347, 328, 309, 285, 248, 196, 129, 047),
+         97000+ c(953, 851, 741, 623, 499, 370, 240, 110),
+         96000+ c(982, 856, 730, 604, 477, 350, 220, 88),
+         95000+ c(951, 808, 655, 492, 317, 129), 
+         94000+ c(926, 706, 465, 201),
+         93000+ c(913, 599, 256),
+         92000+ c(882, 472, 21), 91526, 90986, 90402, 89771, 89087, 88348, 87551, 86695, 85776, 84789,
+         83726, 82726, 81348, 80024, 78609, 77107, 75520, 73846, 72082, 70218, 68248, 66165, 63972, 61673,
+         59279, 56799, 54239, 51599, 48878, 46071, 43180, 40208, 37172, 34095, 31012, 27960, 24961, 22038,
+         19235, 16598, 14154, 11908, 9863, 8032, 6424, 5043, 3884, 2939, 2185, 1598, 1150, 815, 570, 393,
+         267, 179, 119, 78, 51, 33)
> 
> usLT7981 <- data.frame(x=x, lx=lx)
> USLT7981 <- new("lifetable", x=x, lx=lx)
> 
> 
> 
> #__________________________________________________
> #death capital life insurance
> 
> i <- 3/100
> x <- 10
> m <- 0
> n <- 10
> 
> #defered of m period, temporary of n period at age x
> stopifnot(
+   sum(
+     sapply(c(0, 5, 10, 15, 20, 25, 30), function(x)
+       sapply(1:10, function(m)
+         sum(abs(
+           sapply(1:10, function(n)
+             getcapitalst(usLT7981$lx, x=x, K=1, nu=1/(1+i), s=m, t=n) - Axn(USLT7981, x=x, n=n, m=m, k=1, i=i)
+           ))) 
+       ))
+   )< tol
+ )
> 
> #__________________________________________________
> #death capital life insurance (monthly)
> 
> 
> i <- 3/100
> x <- 0
> m <- 0
> n <- 1
> 
> sum(
+ sapply(c(0, 5, 10, 15, 20, 25, 30), function(x)
+   abs(
+ getcapitalstthly(usLT7981$lx, x=x, K=1, nu=1/(1+i), s=m, t=n, k=12, frac="linear") - Axn(USLT7981, x=x, n=n, m=m, k=12, i=i)
+ )
+ )
+ )< tol
[1] FALSE
> 
> #__________________________________________________
> #annuity life insurance (monthly)
> 
> 
> i <- 3/100
> x <- 20
> m <- 0
> n <- 2
> 
> #anticipated 
> sum(
+ sapply(1:10, function(m)
+ sapply(1:10, function(n)
+ abs(getrentestthly(usLT7981$lx, x=x, R=1, nu=1/(1+i), s=m, t=n, k=12, frac="linear", anticipated=TRUE) - axn(USLT7981, x=x, n=n, m=m, k=12, i=i, pay="due") )
+ )
+ )
+ )< tol
[1] TRUE
> 
> 
> #delayed 
> sum(abs(
+ sapply(1:10, function(m)
+ sapply(1:10, function(n)
+ getrentestthly(usLT7981$lx, x=x, R=1, nu=1/(1+i), s=m, t=n, k=12, frac="linear", anticipated=FALSE) - axn(USLT7981, x=x, n=n, m=m, k=12, i=i, pay="immediate") 
+ )
+ )
+ )) < tol
[1] FALSE
> 
> 
> 
> proc.time()
   user  system elapsed 
   2.37    0.23    2.59