Mattias Engdegård cf40795888 Calc: allow infinite binary word size (bug#43764) ... Setting the word size ("b w") to 0 removes the word size clipping for all bit operations (effectively as if a word size of -∞ had been set). Rotation is disallowed; logical and arithmetic shifts behave identically. After a suggestion by Vincent Belaïche. * lisp/calc/calc-bin.el (calc-word-size, math-binary-arg) (math-binary-modulo-args, calcFunc-lsh, calcFunc-ash, calcFunc-rot) (math-clip, math-format-twos-complement): Allow a word size of 0, meaning -∞. * test/lisp/calc/calc-tests.el (calc-tests--not, calc-tests--and, calc-tests--or, calc-tests--xor) (calc-tests--diff): New functions. (calc-tests--clip, calc-tests--rot, calc-shift-binary): Extend to cover word size 0. (calc-bit-ops): New test. * doc/misc/calc.texi (Binary Functions): Update manual. * etc/NEWS: Announce the change.		2020-10-13 11:29:01 +02:00
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calc-tests.el	Calc: allow infinite binary word size (bug#43764)	2020-10-13 11:29:01 +02:00