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##
## Math.fv.R
##
## Inline arithmetic for 'fv'
##
## $Revision: 1.9 $ $Date: 2023/05/13 01:11:16 $
Math.fv <- function(x, ...){
force(x)
eval(substitute(eval.fv(G(x)),
list(G=as.name(.Generic),
x=quote(x))))
}
Complex.fv <- function(z){
force(z)
eval(substitute(eval.fv(G(z)),
list(G=as.name(.Generic),
z=quote(z))))
}
Ops.fv <- function(e1,e2=NULL) {
m <- match.call()
objects <- list()
if(is.name(m$e1) || (is.atomic(m$e1) && length(m$e1) == 1)) {
## e1 is the name of an fv object, or is a single value.
## It will appear directly in the resulting function name
e1use <- substitute(e1)
} else {
## e1 is an expression that should first be evaluated
## It will appear as 'e1' in the resulting function name
e1use <- quote(e1)
objects$e1 <- eval(e1)
}
if(is.name(m$e2) || (is.atomic(m$e2) && length(m$e2) == 1)) {
e2use <- substitute(e2)
} else {
e2use <- quote(e2)
objects$e2 <- eval(e2)
}
callframe <- parent.frame()
evalframe <-
if(length(objects)) list2env(objects, parent=callframe) else callframe
eval(substitute(eval.fv(G(e1,e2),
envir=evalframe),
list(G=as.name(.Generic),
e1=e1use,
e2=e2use)))
}
Summary.fv <- local({
Summary.fv <- function(..., na.rm=FALSE){
argh <- list(...)
funs <- sapply(argh, is.fv)
argh[funs] <- lapply(argh[funs], getValues)
do.call(.Generic, c(argh, list(na.rm = na.rm)))
}
getValues <- function(x) {
xdat <- as.matrix(as.data.frame(x))
yall <- fvnames(x, ".")
vals <- xdat[, yall]
return(as.vector(vals))
}
Summary.fv
})
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