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prevent adding methods to the functions > and >= #771

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Merged
merged 2 commits into from
Sep 8, 2025
Merged

prevent adding methods to the functions > and >= #771

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5a7fc05
prevent adding methods to the functions `>` and `>=`
nsajko Sep 8, 2025
15f0d80
remove `eval` and `for`
nsajko Sep 8, 2025
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29 changes: 12 additions & 17 deletions src/dual.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -383,23 +383,18 @@ end
# Before PR#481 this loop ran over this list:
# BINARY_PREDICATES = Symbol[:isequal, :isless, :<, :>, :(==), :(!=), :(<=), :(>=)]
# Not a minimal set, as Base defines some in terms of others.
for pred in [:<, :>]
predeq = Symbol(pred, :(=))
@eval begin
@define_binary_dual_op(
Base.$(pred),
$(pred)(value(x), value(y)) || (value(x) == value(y) && $(pred)(partials(x), partials(y))),
$(pred)(value(x), y) || (value(x) == y && $(pred)(partials(x), zero(partials(x)))),
$(pred)(x, value(y)) || (x == value(y) && $(pred)(zero(partials(y)), partials(y))),
)
@define_binary_dual_op(
Base.$(predeq),
$(pred)(value(x), value(y)) || (value(x) == value(y) && $(predeq)(partials(x), partials(y))),
$(pred)(value(x), y) || (value(x) == y && $(predeq)(partials(x), zero(partials(x)))),
$(pred)(x, value(y)) || (x == value(y) && $(predeq)(zero(partials(y)), partials(y))),
)
end
end
@define_binary_dual_op(
Base.:(<),
(value(x) < value(y)) || (value(x) == value(y) && (partials(x) < partials(y))),
(value(x) < y) || (value(x) == y && (partials(x) < zero(partials(x)))),
(x < value(y)) || (x == value(y) && (zero(partials(y)) < partials(y))),
)
@define_binary_dual_op(
Base.:(<=),
(value(x) < value(y)) || (value(x) == value(y) && (partials(x) <= partials(y))),
(value(x) < y) || (value(x) == y && (partials(x) <= zero(partials(x)))),
(x < value(y)) || (x == value(y) && (zero(partials(y)) <= partials(y))),
)

@define_binary_dual_op(
Base.isless,
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