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calc-bin.el (calc-radix): Have the O option turn on twos-complement mode.

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This commit is contained in:
Jay Belanger 2010-04-17 23:13:09 -05:00
parent a0d3397536
commit f8b91752dd
5 changed files with 42 additions and 15 deletions
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6
lisp/calc/README
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@ -72,6 +72,12 @@ opinions.
Summary of changes to "Calc"
------- -- ------- -- ----
Emacs 24.1
* Added "O" option prefix.
* Used "O" prefix to "d r" (`calc-radix') to turn on twos-complement mode.
Emacs 23.2
* Added twos-complement display.

2
lisp/calc/calc-bin.el
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@ -175,7 +175,7 @@ the size of a Calc bignum digit.")
(progn
(calc-change-mode
(list 'calc-number-radix 'calc-twos-complement-mode)
(list n (and (or (= n 2) (= n 8) (= n 16)) arg)) t)
(list n (or arg (calc-is-option))) t)
;; also change global value so minibuffer sees it
(setq-default calc-number-radix calc-number-radix))
(setq n calc-number-radix))