Nothing
context("as.function.mpoly()")
test_that("univariate", {
f <- as.function(mp("(3 - x)^2"), silent = TRUE)
x <- 2
expect_equal(f(x), (3 - x)^2)
x <- 5
expect_equal(f(x), (3 - x)^2)
f <- as.function(mp("(3 - x)^2"), silent = TRUE)
x <- 2:10
expect_equal(f(x), (3 - x)^2)
})
test_that("vector = TRUE", {
f <- as.function(mp("3 x + y^2"), vector = TRUE, silent = TRUE)
expect_equal(f(c(1,2)), 3*(1) + (2)^2)
})
test_that("vector = FALSE", {
f <- as.function(mp("3 x + y^2"), vector = FALSE, silent = TRUE)
expect_equal(f(1, 2), 3*(1) + (2)^2)
})
test_that("constant mpoly", {
f <- as.function(mp("3"), silent = TRUE)
expect_equal(f(1), 3)
expect_equal(f(1:4), rep(3, 4))
})
test_that("bernstein", {
s <- seq(0, 1, .01)
expect_equal(
as.function(bernstein(1, 2))(s),
2*s - 2*s^2
)
s <- seq(0, 1, .01)
expect_equal(
as.function(bernstein(1, 2))(-3:3),
2*(-3:3) - 2*(-3:3)^2
)
})
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