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## Some tests to increase coverage
test_that("coverage of functionality in mult.R", {
S <- spray(matrix(c(1,1,2,2,1,3,3,1,3,5),ncol=2,byrow=TRUE),1:5)
expect_silent(include_perms(kill_trivial_rows(S)))
expect_silent(tensorprod(S,S*0))
expect_silent(tensorprod(S*0,S))
expect_silent(tensorprod(S*0,S*0))
expect_silent(wedge(as.kform(S)))
expect_silent(as.kform(matrix(1,0,3),lose=TRUE))
expect_silent(as.kform(matrix(1,0,3),lose=FALSE))
expect_error(as.symbolic(function(x){x^5}))
expect_silent(as.symbolic(as.ktensor(+S)))
expect_silent(as.symbolic(as.ktensor(-S)))
expect_silent(as.symbolic(as.ktensor(+S*0)))
expect_silent(as.symbolic(as.ktensor(-S*0)))
expect_silent(as.ktensor(as.ktensor(S)))
expect_silent(hodge(as.kform(S)))
expect_error(hodge(0*volume(5)))
expect_silent(hodge(volume(5)))
expect_silent(hodge(0*volume(5),n=7))
expect_error(hodge(0*volume(5),n=3))
expect_error(hodge(scalar(6)))
expect_silent(hodge(scalar(6),n=3))
expect_silent(hodge(scalar(6),n=7))
expect_silent(hodge(spray(rbind(c(1,2,4,5)))))
expect_false(issmall(volume(5)))
K <- as.kform(spray(matrix(c(1,1,2,2,1,3,3,1,3,5),ncol=2,byrow=TRUE),1:5))
expect_error(stretch(K))
expect_silent(stretch(K,1:5))
expect_silent(keep(kform_general(7,3),1:4))
expect_silent(discard(kform_general(7,3),1))
expect_silent(zerotensor(5))
expect_error(zerotensor(-5))
expect_silent(as.kform(K))
expect_silent(as.ktensor(K))
})
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