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all.equal <- function(target, current, ...) UseMethod("all.equal")
all.equal.default <-
function(target, current, check.attributes = TRUE, ...)
{
## Really a dispatcher given mode() of args :
## use data.class as unlike class it does not give "Integer"
if(is.language(target) || is.function(target) || is.environment(target))
return(all.equal.language(target, current, ...))
if(is.recursive(target))
return(all.equal.list(target, current, ...))
msg <- c(if(check.attributes) attr.all.equal(target, current, ...),
if(is.numeric(target)) {
all.equal.numeric(target, current, check.attributes = check.attributes, ...)
} else
switch (mode(target),
logical = ,
complex = ,
numeric = all.equal.numeric(target, current, check.attributes = check.attributes, ...),
character = all.equal.character(target, current, check.attributes = check.attributes, ...),
if(data.class(target) != data.class(current)) {
paste("target is ", data.class(target), ", current is ",
data.class(current), sep = "")
} else NULL))
if(is.null(msg)) TRUE else msg
}
all.equal.numeric <-
function(target, current, tolerance = .Machine$double.eps ^ .5,
scale = NULL, check.attributes = TRUE, ...)
{
msg <- if(check.attributes) attr.all.equal(target, current, ...)
if(data.class(target) != data.class(current)) {
msg <- c(msg, paste("target is ", data.class(target), ", current is ",
data.class(current), sep = ""))
return(msg)
}
lt <- length(target)
lc <- length(current)
cplx <- is.complex(target)
if(lt != lc) {
## *replace* the 'Lengths' msg[] from attr.all.equal():
if(!is.null(msg)) msg <- msg[- grep("\\bLengths\\b", msg)]
msg <- c(msg, paste(if(cplx)"Complex" else "Numeric",
": lengths (", lt, ", ", lc, ") differ", sep = ""))
return(msg)
}
target <- as.vector(target)
current <- as.vector(current)
out <- is.na(target)
if(any(out != is.na(current))) {
msg <- c(msg, paste("'is.NA' value mismatches:", sum(is.na(current)),
"in current,", sum(out), " in target"))
return(msg)
}
out <- out | target == current
if(all(out)) { if (is.null(msg)) return(TRUE) else return(msg) }
target <- target[!out]
current <- current[!out]
if(is.integer(target) && is.integer(current)) target <- as.double(target)
xy <- mean((if(cplx)Mod else abs)(target - current))
what <-
if(is.null(scale)) {
xn <- mean(abs(target))
if(is.finite(xn) && xn > tolerance) {
xy <- xy/xn
"relative"
} else "absolute"
} else {
xy <- xy/scale
"scaled"
}
if(is.na(xy) || xy > tolerance)
msg <- c(msg, paste("Mean", what, if(cplx)"Mod", "difference:", format(xy)))
if(is.null(msg)) TRUE else msg
}
all.equal.character <-
function(target, current, check.attributes = TRUE, ...)
{
msg <- if(check.attributes) attr.all.equal(target, current, ...)
if(data.class(target) != data.class(current)) {
msg <- c(msg, paste("target is ", data.class(target), ", current is ",
data.class(current), sep = ""))
return(msg)
}
lt <- length(target)
lc <- length(current)
if(lt != lc) {
if(!is.null(msg)) msg <- msg[- grep("\\bLengths\\b", msg)]
msg <- c(msg, paste("Lengths (", lt, ", ", lc,
") differ (string compare on first ", ll <- min(lt, lc),
")", sep = ""))
ll <- seq(length = ll)
target <- target[ll]
current <- current[ll]
}
nas <- is.na(target)
if (any(nas != is.na(current))) {
msg <- c(msg, paste("'is.NA' value mismatches:", sum(is.na(current)),
"in current,", sum(nas), " in target"))
return(msg)
}
ne <- !nas & (target != current)
if(!any(ne) && is.null(msg)) TRUE
else if(any(ne)) c(msg, paste(sum(ne), "string mismatches"))
else msg
}
all.equal.factor <- function(target, current, check.attributes = TRUE, ...)
{
if(!inherits(current, "factor"))
return("'current' is not a factor")
msg <- if(check.attributes) attr.all.equal(target, current)
class(target) <- class(current) <- NULL
nax <- is.na(target)
nay <- is.na(current)
if(n <- sum(nax != nay))
msg <- c(msg, paste("NA mismatches:", n))
else {
target <- levels(target)[target[!nax]]
current <- levels(current)[current[!nay]]
if(is.character(n <- all.equal(target, current, check.attributes = check.attributes)))
msg <- c(msg, n)
}
if(is.null(msg)) TRUE else msg
}
all.equal.formula <- function(target, current, ...)
{
if(length(target) != length(current))
return(paste("target, current differ in having response: ",
length(target) == 3, ", ", length(current) == 3))
if(all(deparse(target) != deparse(current)))
"formulas differ in contents"
else TRUE
}
all.equal.language <- function(target, current, check.attributes = TRUE, ...)
{
mt <- mode(target)
mc <- mode(current)
if(mt == "expression" && mc == "expression")
return(all.equal.list(target, current, check.attributes = check.attributes, ...))
ttxt <- paste(deparse(target), collapse = "\n")
ctxt <- paste(deparse(current), collapse = "\n")
msg <- c(if(mt != mc)
paste("Modes of target, current: ", mt, ", ", mc, sep = ""),
if(ttxt != ctxt) {
if(pmatch(ttxt, ctxt, FALSE))
"target a subset of current"
else if(pmatch(ctxt, ttxt, FALSE))
"current a subset of target"
else "target, current don't match when deparsed"
})
if(is.null(msg)) TRUE else msg
}
all.equal.list <- function(target, current, check.attributes = TRUE, ...)
{
msg <- if(check.attributes) attr.all.equal(target, current, ...)
## nt <- names(target)
## nc <- names(current)
iseq <-
## <FIXME>
## Commenting this eliminates PR#674, and assumes that lists are
## regarded as generic vectors, so that they are equal iff they
## have identical names attributes and all components are equal.
## if(length(nt) && length(nc)) {
## if(any(not.in <- (c.in.t <- match(nc, nt, 0)) == 0))
## msg <- c(msg, paste("Components not in target:",
## paste(nc[not.in], collapse = ", ")))
## if(any(not.in <- match(nt, nc, 0) == 0))
## msg <- c(msg, paste("Components not in current:",
## paste(nt[not.in], collapse = ", ")))
## nt[c.in.t]
## } else
## </FIXME>
if(length(target) == length(current)) {
seq(along = target)
} else {
if(!is.null(msg)) msg <- msg[- grep("\\bLengths\\b", msg)]
nc <- min(length(target), length(current))
msg <- c(msg, paste("Length mismatch: comparison on first",
nc, "components"))
seq(length = nc)
}
for(i in iseq) {
mi <- all.equal(target[[i]], current[[i]], check.attributes = check.attributes, ...)
if(is.character(mi))
msg <- c(msg, paste("Component ", i, ": ", mi, sep=""))
}
if(is.null(msg)) TRUE else msg
}
attr.all.equal <- function(target, current,
check.attributes = TRUE, check.names = TRUE, ...)
{
##--- "all.equal(.)" for attributes ---
##--- Auxiliary in all.equal(.) methods --- return NULL or character()
msg <- NULL
if(mode(target) != mode(current))
msg <- paste("Modes: ", mode(target), ", ", mode(current), sep = "")
if(length(target) != length(current))
msg <- c(msg, paste("Lengths: ", length(target), ", ",
length(current), sep = ""))
ax <- attributes(target)
ay <- attributes(current)
if(check.names) {
nx <- names(target)
ny <- names(current)
if((lx <- length(nx)) | (ly <- length(ny))) {
## names() treated now; hence NOT with attributes()
ax$names <- ay$names <- NULL
if(lx && ly) {
if(is.character(m <- all.equal.character(nx, ny, check.attributes = check.attributes)))
msg <- c(msg, paste("Names:", m))
} else if(lx)
msg <- c(msg, "names for target but not for current")
else msg <- c(msg, "names for current but not for target")
}
}
if(check.attributes && (length(ax) || length(ay))) {# some (more) attributes
## order by names before comparison:
nx <- names(ax)
ny <- names(ay)
if(length(nx)) ax <- ax[order(nx)]
if(length(ny)) ay <- ay[order(ny)]
tt <- all.equal(ax, ay, check.attributes = check.attributes, ...)
if(is.character(tt)) msg <- c(msg, paste("Attributes: <", tt, ">"))
}
msg # NULL or character
}
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