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As of today Coq has the `CProfile` infrastructure disabled by default,
untested, and not easily accessible.
It was decided that `CProfile` should remain not user-accessible, and
only available thus by manual editing of Coq code to switch the flag
and manually instrument functions.
We thus remove all bitrotten dead code.
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This avoids having to drop the last element of the signature in the
common case.
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We store bound variable names instead of functions for both branches and
predicate, and we furthermore add the parameters in the node. Let bindings
are not taken into account and require an environment lookup for retrieval.
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This is similar to Constant and MutInd but for some reason this was was never
done. Such a patch makes the whole API more regular. We also deprecate the
legacy aliases.
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Persistent arrays expose a functional interface but are implemented
using an imperative data structure. The OCaml implementation is based on
Jean-Christophe Filliâtre's.
Co-authored-by: Benjamin Grégoire <Benjamin.Gregoire@inria.fr>
Co-authored-by: Gaëtan Gilbert <gaetan.gilbert@skyskimmer.net>
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Add headers to a few files which were missing them.
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The previous system was from before globref was in the kernel.
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We also remove trailing whitespace.
Script used:
```bash
for i in `find . -name '*.ml' -or -name '*.mli' -or -name '*.mlg'`; do expand -i "$i" | sponge "$i"; sed -e's/[[:space:]]*$//' -i.bak "$i"; done
```
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Replace `option comparison` with `float_comparison` (:= `FEq | FLt |
FGt | FNotComparable`) as suggested by Guillaume Melquiond to avoid
boxing and an extra match when using primitive float comparison.
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Beware of 0. = -0. issue for primitive floats
The IEEE 754 declares that 0. and -0. are treated equal but we cannot
say that this is true with Leibniz equality.
Therefore we must patch the equality and the total comparison inside the
kernel to prevent inconsistency.
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Rather than in typeops
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This function seems unused.
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Reviewed-by: ppedrot
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Prevent errors when under annotating binders.
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Kernel should be mostly correct, higher levels do random stuff at
times.
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Note currently it's impossible to define inductives in SProp because
indtypes.ml and the pretyper aren't fully plugged.
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This work makes it possible to take advantage of a compact
representation for integers in the entire system, as opposed to only
in some reduction machines. It is useful for heavily computational
applications, where even constructing terms is not possible without such
a representation.
Concretely, it replaces part of the retroknowledge machinery with
a primitive construction for integers in terms, and introduces a kind of
FFI which maps constants to operators (on integers). Properties of these
operators are expressed as explicit axioms, whereas they were hidden in
the retroknowledge-based approach.
This has been presented at the Coq workshop and some Coq Working Groups,
and has been used by various groups for STM trace checking,
computational analysis, etc.
Contributions by Guillaume Bertholon and Pierre Roux <Pierre.Roux@onera.fr>
Co-authored-by: Benjamin Grégoire <Benjamin.Gregoire@inria.fr>
Co-authored-by: Vincent Laporte <Vincent.Laporte@fondation-inria.fr>
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The use of a term is not needed for the fast typing algorithm of the
application case, so this tweak brings the best of both worlds.
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entries
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It is purely functional, so no need for it to be in global now that
GlobRef.t are in the kernel.
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It is purely functional, so no need for it to be in global now that
GlobRef.t are in the kernel.
Also updated the comments.
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It's basically an occur check so it makes sense to put it in vars
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This is a partial resurrection of #6423 but only for the kernel.
IMHO, we pay a bit of price for this but it is a good safety
measure.
Only warning "4: fragile pattern matching" and "44: open hides a type"
are disabled.
We would like to enable 44 for sure once we do some alias cleanup.
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Keep the universe_levels_of_constr function inside typeops, not
exported.
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The upper layers still need a mapping constant -> projection, which is
provided by Recordops.
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This is a first step towards the acceptance of mutual record types in the
kernel.
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Instead of having the projection data in the constant data we have it
independently in the environment.
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New module introduced in OCaml 4.05 I think, can create problems when
linking with the OCaml toplevel for `Drop`.
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We do up to `Term` which is the main bulk of the changes.
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This will allow to merge back `Names` with `API.Names`
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The use of template polymorphism in constants was quite limited, as it
only applied to definitions that were exactly inductive types without any
parameter whatsoever. Furthermore, it seems that following the introduction
of polymorphic definitions, the code path enforced regular polymorphism as
soon as the type of a definition was given, which was in practice almost
always.
Removing this feature had no observable effect neither on the test-suite,
nor on any development that we monitor on Travis. I believe it is safe to
assume it was nowadays useless.
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