Nothing
test_that("nn_utils_weight_norm", {
in_feats = 20
out_feats = 40
weight_norm = nn_utils_weight_norm$new('weight', 2)
lin = nn_linear(in_feats, out_feats)
weight_norm$apply(lin)
lin_weight_before = as.array(lin$weight)
weight_norm$recompute(lin)
lin_weight_after = as.array(lin$weight)
expect_equal(lin_weight_before, lin_weight_after)
expect_tensor(lin$weight_g)
expect_tensor_shape(lin$weight_g, c(1, in_feats))
expect_tensor(lin$weight_v)
expect_tensor_shape(lin$weight_v, c(out_feats, in_feats))
weight_norm$call(lin)
lin_weight_call = as.array(lin$weight)
expect_equal(lin_weight_call, lin_weight_before)
expect_equal(capture.output(lin$weight$grad_fn), "WeightNormInterfaceBackward0")
weight_norm$remove(lin)
lin_weight_remove = as.array(lin$weight)
expect_equal(lin_weight_remove, lin_weight_before)
expect_null(lin$weight$grad_fn)
expect_null(lin$parameters$weight_v)
expect_null(lin$parameters$weight_g)
expect_true(lin$weight$requires_grad)
})
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