calc/README: Add mention of logarithmic units.

calc/calc-help.el (calc-logunits-add): Rename from `calc-logunits-plus'.
(calc-logunits-sub): Rename from `calc-logunits-minus'.
(calc-logunits-mul): Rename from `calc-logunits-times'.
(calcFunc-lupoweradd): Rename from `calcFunc-lupowerplus'.
(calcFunc-lupowersub): Rename from `calcFunc-lupowerminus'.
(calcFunc-lupowermul): Rename from `calcFunc-lupowertimes'.
calc/calc-ext.el (calc-init-extensions): Change names of logarithmic
unit functions in autoloads.

lisp/ChangeLog

@@ -13,16 +13,16 @@
 	`math-logunits-level'
 	(math-logunits-plus):  Renamed from math-logcombine.
 	(calcFunc-luplus, calcFunc-luminus calc-luplus, calc-luminus): Remove.
-	(calcFunc-lufieldplus, calcFunc-lupowerplus, calcFunc-lufieldminus)
-	(calcFunc-lufieldminus,calc-logunits-plus calc-logunits-minus):
+	(calcFunc-lufieldadd, calcFunc-lupoweradd, calcFunc-lufieldsub)
+	(calcFunc-lufieldsub,calc-logunits-add calc-logunits-sub):
 	New functions.
 	(calcFunc-fieldquant): Renamed from `calcFunc-fieldlevel'.
 	(calcFunc-powerquant): Renamed from `calcFunc-powerlevel'.
 	(calc-logunits-quantity): Renamed from `calc-level'.
 	(calcFunc-dbfieldlevel, calcFunc-dbpowerlevel, calcFunc-npfieldlevel)
 	(calcFunc-nppowerlevel,calc-logunits-dblevel, calc-logunits-nplevel)
-	(math-logunits-times, calcFunc-lufieldtimes, calcFunc-lupowertimes)
-	(calc-logunits-times, math-logunits-divide, calcFunc-lufielddiv)
+	(math-logunits-mul, calcFunc-lufieldmul, calcFunc-lupowermul)
+	(calc-logunits-mul, math-logunits-divide, calcFunc-lufielddiv)
 	(calcFunc-lupowerdiv,calc-logunits-divide,math-logunits-level):
 	New functions.
 
@@ -33,6 +33,8 @@
 
 	* calc/calc-ext.el (calc-init-extensions): Update autoloads.
 
+	* calc/README: Mention logarithmic units.
+
 2011-02-06  Chong Yidong  <cyd@stupidchicken.com>
 
 	* mail/emacsbug.el (report-emacs-bug-hook): Remove the check for

lisp/calc/README

@@ -72,6 +72,8 @@ Summary of changes to "Calc"
 
 Emacs 24.1
 
+* Support for logarithmic units added.
+
 * Calc no longer uses the tex prefix for TeX specific unit 
 names when using TeX or LaTeX mode.
 

lisp/calc/calc-ext.el

@@ -425,9 +425,9 @@
   (define-key calc-mode-map "lq" 'calc-logunits-quantity)
   (define-key calc-mode-map "ld" 'calc-logunits-dblevel)
   (define-key calc-mode-map "ln" 'calc-logunits-nplevel)
-  (define-key calc-mode-map "l+" 'calc-logunits-plus)
-  (define-key calc-mode-map "l-" 'calc-logunits-minus)
-  (define-key calc-mode-map "l*" 'calc-logunits-times)
+  (define-key calc-mode-map "l+" 'calc-logunits-add)
+  (define-key calc-mode-map "l-" 'calc-logunits-sub)
+  (define-key calc-mode-map "l*" 'calc-logunits-mul)
   (define-key calc-mode-map "l/" 'calc-logunits-divide)
   (define-key calc-mode-map "l?" 'calc-l-prefix-help)
 
@@ -939,9 +939,9 @@ calc-store-value calc-var-name)
  ("calc-stuff" calc-explain-why calcFunc-clean
 calcFunc-pclean calcFunc-pfloat calcFunc-pfrac)
 
- ("calc-units" calcFunc-usimplify calcFunc-lufieldplus
-calcFunc-lupowerplus calcFunc-lufieldminus calcFunc-lupowerminus
-calcFunc-lufieldtimes calcFunc-lupowertimes calcFunc-lufielddiv
+ ("calc-units" calcFunc-usimplify calcFunc-lufieldadd
+calcFunc-lupoweradd calcFunc-lufieldsub calcFunc-lupowersub
+calcFunc-lufieldmul calcFunc-lupowermul calcFunc-lufielddiv
 calcFunc-lupowerdiv calcFunc-fieldquant calcFunc-powerquant
 calcFunc-dbfieldlevel calcFunc-dbpowerlevel calcFunc-npfieldlevel
 calcFunc-nppowerlevel
@@ -1177,8 +1177,8 @@ calc-enter-units-table calc-explain-units calc-extract-units
 calc-get-unit-definition calc-permanent-units calc-quick-units
 calc-remove-units calc-simplify-units calc-undefine-unit
 calc-view-units-table calc-logunits-quantity calc-logunits-dblevel
-calc-logunits-nplevel calc-logunits-plus calc-logunits-minus
-calc-logunits-times calc-logunits-divide)
+calc-logunits-nplevel calc-logunits-add calc-logunits-sub
+calc-logunits-mul calc-logunits-divide)
 
  ("calc-vec" calc-arrange-vector calc-build-vector calc-cnorm
 calc-conj-transpose calc-cons calc-cross calc-kron calc-diag

lisp/calc/calc-units.el

@@ -1567,7 +1567,7 @@ If EXPR is nil, return nil."
         (list '^ (math-extract-logunits (nth 1 expr)) (nth 2 expr))
       (if (member expr math-logunits) expr 1))))
 
-(defun math-logunits-plus (a b neg power)
+(defun math-logunits-add (a b neg power)
   (let ((aunit (math-simplify (math-extract-logunits a))))
     (if (not (eq (car-safe aunit) 'var))
         (calc-record-why "*Improper logarithmic unit" aunit)
@@ -1607,18 +1607,18 @@ If EXPR is nil, return nil."
              units)))))))
 
 (defun calcFunc-lufieldplus (a b)
-  (math-logunits-plus a b nil nil))
+  (math-logunits-add a b nil nil))
 
 (defun calcFunc-lupowerplus (a b)
-  (math-logunits-plus a b nil t))
+  (math-logunits-add a b nil t))
 
 (defun calcFunc-lufieldminus (a b)
-  (math-logunits-plus a b t nil))
+  (math-logunits-add a b t nil))
 
 (defun calcFunc-lupowerminus (a b)
-  (math-logunits-plus a b t t))
+  (math-logunits-add a b t t))
 
-(defun calc-logunits-plus (arg)
+(defun calc-logunits-add (arg)
   (interactive "P")
   (calc-slow-wrapper
    (if (calc-is-inverse)
@@ -1629,7 +1629,7 @@ If EXPR is nil, return nil."
          (calc-binary-op "lu+" 'calcFunc-lufieldplus arg)
        (calc-binary-op "lu+" 'calcFunc-lupowerplus arg)))))
 
-(defun calc-logunits-minus (arg)
+(defun calc-logunits-sub (arg)
   (interactive "P")
   (calc-slow-wrapper
    (if (calc-is-inverse)
@@ -1640,7 +1640,7 @@ If EXPR is nil, return nil."
          (calc-binary-op "lu-" 'calcFunc-lufieldminus arg)
        (calc-binary-op "lu-" 'calcFunc-lupowerminus arg)))))
 
-(defun math-logunits-times (a b power)
+(defun math-logunits-mul (a b power)
   (let (logunit coef units number)
     (cond
      ((and
@@ -1703,12 +1703,12 @@ If EXPR is nil, return nil."
             units)))))))))
 
 (defun calcFunc-lufieldtimes (a b)
-  (math-logunits-times a b nil))
+  (math-logunits-mul a b nil))
 
 (defun calcFunc-lupowertimes (a b)
-  (math-logunits-times a b t))
+  (math-logunits-mul a b t))
 
-(defun calc-logunits-times (arg)
+(defun calc-logunits-mul (arg)
   (interactive "P")
   (calc-slow-wrapper
    (if (calc-is-inverse)