Nothing
context("FM elimination")
# test: the first example of eliminate
test_that("eliminate works fine",{
P <- editmatrix(c(
"4*x1 - 5*x2 - 3*x3 + z <= 0",
"-x1 + x2 -x3 <= 2",
"x1 + x2 + 2*x3 <= 3",
"-x1 <= 0",
"-x2 <= 0",
"-x3 <= 0"))
P1 <- eliminate(P, "x1", fancynames=TRUE)
Ab <- matrix(c(
0, -0.25, -1.75, 0.25, 2,
0, -1.25, -0.75, 0.25, 0,
0, 2.00, 1.00, 0.00, 5,
0, 1.00, 2.00, 0.00, 3,
0, -1.00, 0.00, 0.00, 0,
0, 0.00, -1.00, 0.00, 0), byrow=TRUE,nrow=6)
H <- matrix(c(
TRUE, TRUE, FALSE, FALSE, FALSE, FALSE,
TRUE, FALSE, FALSE, TRUE, FALSE, FALSE,
FALSE, TRUE, TRUE, FALSE, FALSE, FALSE,
FALSE, FALSE, TRUE, TRUE, FALSE, FALSE,
FALSE, FALSE, FALSE, FALSE, TRUE, FALSE,
FALSE, FALSE, FALSE, FALSE, FALSE, TRUE), byrow=TRUE,nrow=6)
op <- c("<=", "<=", "<=", "<=", "<=", "<=")
expect_true(all( Ab == getAb(P1) ))
expect_true(all( H == getH(P1) ))
expect_true(all( op == getOps(P1)))
expect_true( geth(P1) == 1 )
})
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