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(comp_clamp): Bugfix: avoid shifting left into sign bit. Function
renamed to comp_trunc.
(logtrunc, ash): New functions.
* eval.c (eval_init): Registered logtrunc and ash intrinsics.
* lib.h (logtrunc, ash): Declared.
* mpi-patches/add-bitops (s_highest_bit_mp): Forward declaration for
added.
(mp_clamp_comp): Bugfix in handling remainder bits. Function
renamed to mp_trunc_comp.
(mp_trunc, mp_shift): New functions.
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allow arbitrarily wide complements (which causes the code to access
beyond the a argument's digits array). A similar fix is applied in
the new mp_clamp_comp function. Incorrect initializations of mp_int
fixed in all the logic functions: mp_init was used instead of
mp_init_size.
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normalized, otherwise we end up with fixnum-range bignums.
(comp_clamp): New function.
(logcomp): Changed to two argument form. If second argument
is present (not nil) then call comp_clamp.
* eval.c (eval_init): Change registration of logcomp to allow
optional argument.
* lib.h (logcomp): Declaration updated.
* mpi-patches/add-bitops: New mp_clamp_comp function implemented.
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* arith.c (logcomp): New function.
* eval.c (eval_init): logcomp registered as intrinsic.
* lib.h (logcomp) declared.
* mpi-patches/add-bitops: Fixed bugs in mp_xor. Implemented mp_comp.
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negative integers behave as an "infinite bit two's complement".
* arith.c (logand, logor, logxor): New functions.
* eval.c (eval_init): New intrinsic functions logand, logior, logxor.
* lib.h (logand, logor, logxor): Declared.
* mpi-patches/series: New patch, add-bitops.
* mpi-patches/add-bitops: New file.
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