Nothing
################################################################################
test_that("can create an SFBM from a dgCMatrix", {
spmat <- Matrix::rsparsematrix(1000, 1000, 0.01)
X <- as_SFBM(spmat)
expect_identical(X$p, spmat@p)
expect_equal(dim(X), spmat@Dim)
expect_equal(X$nval, length(spmat@x))
expect_equal(file.size(X$sbk), length(spmat@x) * 16)
con <- file(X$sbk, open = "rb")
i <- rep(0, length(spmat@x))
x <- rep(0, length(spmat@x))
for (k in seq_along(x)) {
i[k] <- readBin(con, n = 1, what = double())
x[k] <- readBin(con, n = 1, what = double())
}
expect_equal(i, spmat@i)
expect_identical(x, spmat@x)
close(con)
expect_false(X$is_saved)
X <- X$save()
expect_true(X$is_saved)
X2 <- readRDS(X$rds)
expect_equal(X2$p, X$p)
expect_equal(X2$sbk, X$sbk)
})
################################################################################
test_that("can create an SFBM from a dsCMatrix", {
spmat0 <- Matrix::rsparsematrix(1000, 1000, 0.01, symmetric = TRUE)
X <- as_SFBM(spmat0)
spmat <- as(spmat0, "dgCMatrix")
X2 <- as_SFBM(spmat)
expect_identical(readBin(X$sbk, what = 1, n = 1e6),
readBin(X2$sbk, what = 1, n = 1e6))
expect_equal(X$p, spmat@p)
expect_equal(dim(X), spmat@Dim)
expect_equal(X$nval, length(spmat@x))
expect_equal(file.size(X$sbk), length(spmat@x) * 16)
expect_false(X$is_saved)
X <- X$save()
expect_true(X$is_saved)
X2 <- readRDS(X$rds)
expect_equal(X2$p, X$p)
expect_equal(X2$sbk, X$sbk)
})
################################################################################
test_that("products between an SFBM and a vector work", {
spmat <- Matrix::rsparsematrix(1000, 1000, 0.1)
X <- as_SFBM(spmat)
y <- runif(1000)
expect_equal(sp_prodVec(X, y), as.vector(spmat %*% y))
expect_equal(sp_cprodVec(X, y), as.vector(Matrix::crossprod(spmat, y)))
})
################################################################################
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