txr - TXR: A data munging language.

	Commit message (Collapse)	Author	Age	Files	Lines
*	* mpi-patches/faster-square-root (mp_sqrt): Bugfix: was computing square	Kaz Kylheku	2014-02-19	1	-5/+5
\| \| \| \| \| \| \| \| \| \| \| \| \|	roots that were incorrect in the last digit/bit, because it was not generating the guess mask all the way down to bit zero. Also, added an early test to bail the loop when an the guess at the root happens to be right. * mpi-patches/add-bitops: Refreshed. * mpi-patches/fix-ctype-warnings: Likewise. * mpi-patches/mpi-to-double: Likewise.
*	* arith.c (highest_significant_bit): New static function.	Kaz Kylheku	2012-09-17	1	-7/+110
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	(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.
*	* mpi-patches/add-bitops: Bugfixes: mp_2comp is extended to properly	Kaz Kylheku	2012-09-16	1	-13/+17
\| \| \| \| \| \| \| \|	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.
*	* arith.c (logand, logior, logxor): Bugfix: result needs to be	Kaz Kylheku	2012-09-16	1	-4/+47
\| \| \| \| \| \| \| \| \| \| \| \| \| \|	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.
*	Adding complementing function.	Kaz Kylheku	2012-09-16	1	-7/+51
\| \| \| \| \| \| \| \| \| \|	* 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.
*	Starting work on adding bit operations. The semantics is that	Kaz Kylheku	2012-09-16	1	-0/+273
	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.