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.TEST_matrices <- list(
matrix(1:15, nrow=3, ncol=5,
dimnames=list(NULL, paste0("M1y", 1:5))),
matrix(101:135, nrow=7, ncol=5,
dimnames=list(paste0("M2x", 1:7), paste0("M2y", 1:5))),
matrix(1001:1025, nrow=5, ncol=5,
dimnames=list(paste0("M3x", 1:5), NULL))
)
.TEST_arrays <- list(
array(1:60, c(3, 5, 4),
dimnames=list(NULL, paste0("M1y", 1:5), NULL)),
array(101:240, c(7, 5, 4),
dimnames=list(paste0("M2x", 1:7), paste0("M2y", 1:5), NULL)),
array(10001:10100, c(5, 5, 4),
dimnames=list(paste0("M3x", 1:5), NULL, paste0("M3z", 1:4)))
)
test_arbind_on_matrices <- function()
{
## on non-empty matrices
matrices <- .TEST_matrices
target <- do.call(rbind, matrices)
current <- do.call(arbind, matrices)
checkIdentical(target, current)
## on empty matrices
m1 <- matrix(nrow=0, ncol=3, dimnames=list(NULL, letters[1:3]))
m2 <- matrix(1:15, ncol=3, dimnames=list(NULL, LETTERS[1:3]))
target <- do.call(rbind, list(m1, m2))
current <- do.call(arbind, list(m1, m2))
checkIdentical(target, current)
target <- do.call(rbind, list(m2, m1))
current <- do.call(arbind, list(m2, m1))
checkIdentical(target, current)
target <- do.call(rbind, list(m1, m1))
current <- do.call(arbind, list(m1, m1))
checkIdentical(target, current)
## on matrices of type "list"
m3 <- matrix(list(), nrow=0, ncol=5)
m4 <- matrix(list(10:9, NULL, letters[1:3], TRUE, raw()), nrow=4, ncol=5)
target <- do.call(rbind, list(m3, m4))
current <- do.call(arbind, list(m3, m4))
checkIdentical(target, current)
target <- do.call(rbind, list(m4, m3))
current <- do.call(arbind, list(m4, m3))
checkIdentical(target, current)
target <- do.call(rbind, list(m3, m3))
current <- do.call(arbind, list(m3, m3))
checkIdentical(target, current)
matrices <- c(matrices, list(m3), list(m4))
target <- do.call(rbind, matrices)
current <- do.call(arbind, matrices)
checkIdentical(target, current)
}
test_arbind_on_arrays <- function()
{
## on arbitrary arrays
current <- do.call(arbind, .TEST_arrays)
check_2D_slice <- function(k) {
slices <- lapply(.TEST_arrays, `[`, , , k)
target_slice <- do.call(rbind, slices)
checkIdentical(target_slice, current[ , , k])
}
for (k in seq_len(dim(current)[[3L]])) check_2D_slice(k)
## on 1D arrays
a1 <- array(11:15, 5, dimnames=list(LETTERS[1:5]))
checkIdentical(a1, arbind(a1)) # unary
b1 <- array(letters[1:3])
target <- array(c(a1, b1), 8, dimnames=list(c(LETTERS[1:5], rep("", 3))))
checkIdentical(target, arbind(a1, b1)) # binary
target <- array(c(b1, a1), 8, dimnames=list(c(rep("", 3), LETTERS[1:5])))
checkIdentical(target, arbind(b1, a1)) # binary
a1b1a1 <- arbind(a1, b1, a1) # ternary
checkIdentical(arbind(a1, arbind(b1, a1)), a1b1a1)
checkIdentical(arbind(arbind(a1, b1), a1), a1b1a1)
}
test_acbind_on_matrices <- function()
{
## on non-empty matrices
matrices <- lapply(.TEST_matrices, t)
target <- do.call(cbind, matrices)
current <- do.call(acbind, matrices)
checkIdentical(target, current)
## on empty matrices
m1 <- matrix(nrow=3, ncol=0, dimnames=list(letters[1:3], NULL))
m2 <- matrix(1:15, nrow=3, dimnames=list(LETTERS[1:3], NULL))
target <- do.call(cbind, list(m1, m2))
current <- do.call(acbind, list(m1, m2))
checkIdentical(target, current)
target <- do.call(cbind, list(m2, m1))
current <- do.call(acbind, list(m2, m1))
checkIdentical(target, current)
target <- do.call(cbind, list(m1, m1))
current <- do.call(acbind, list(m1, m1))
checkIdentical(target, current)
## on matrices of type "list"
m3 <- matrix(list(), nrow=5, ncol=0)
m4 <- matrix(list(), nrow=5, ncol=4)
target <- do.call(cbind, list(m3, m4))
current <- do.call(acbind, list(m3, m4))
checkIdentical(target, current)
target <- do.call(cbind, list(m4, m3))
current <- do.call(acbind, list(m4, m3))
checkIdentical(target, current)
target <- do.call(cbind, list(m3, m3))
current <- do.call(acbind, list(m3, m3))
checkIdentical(target, current)
matrices <- c(matrices, list(m3), list(m4))
target <- do.call(cbind, matrices)
current <- do.call(acbind, matrices)
checkIdentical(target, current)
}
test_acbind_on_arrays <- function()
{
## transpose the 1st 2 dimensions
arrays <- lapply(.TEST_arrays,
function(a) {
a_dimnames <- dimnames(a)
dim(a)[1:2] <- dim(a)[2:1]
a_dimnames[1:2] <- a_dimnames[2:1]
dimnames(a) <- a_dimnames
a
})
current <- do.call(acbind, arrays)
check_2D_slice <- function(k) {
slices <- lapply(arrays, `[`, , , k)
target_slice <- do.call(cbind, slices)
checkIdentical(target_slice, current[ , , k])
}
for (k in seq_len(dim(current)[[3L]])) check_2D_slice(k)
## acbind() is not supported on 1D arrays
a1 <- array(11:15, 5, dimnames=list(LETTERS[1:5]))
checkException(acbind(a1)) # unary
b1 <- array(letters[1:3])
checkException(acbind(a1, b1)) # binary
checkException(acbind(b1, a1)) # binary
checkException(acbind(a1, b1, a1)) # ternary
}
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