if (FALSE) {
CustomNonNegConstraint <- R6::R6Class(
"CustomNonNegConstraint",
inherit = KerasConstraint,
public = list(
call = function(x) {
w * k_cast(k_greater_equal(w, 0), k_floatx())
}
)
)
layer_dense(units = 32, input_shape = c(784),
kernel_constraint = CustomNonNegConstraint$new())
}
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