- (list 'progn
-; (list 'defvar cache-prec (if init (math-numdigs (nth 1 init)) -100))
- (list 'defvar cache-prec
- `(cond
- ((consp ,init) (math-numdigs (nth 1 ,init)))
- (,init
- (nth 1 (math-numdigs (eval ,init))))
- (t
- -100)))
- (list 'defvar cache-val
- `(cond
- ((consp ,init) ,init)
- (,init (eval ,init))
- (t ,init)))
- (list 'defvar last-prec -100)
- (list 'defvar last-val nil)
- (list 'setq 'math-cache-list
- (list 'cons
- (list 'quote cache-prec)
- (list 'cons
- (list 'quote last-prec)
- 'math-cache-list)))
- (list 'defun
- name ()
- (list 'or
- (list '= last-prec 'calc-internal-prec)
- (list 'setq
- last-val
- (list 'math-normalize
- (list 'progn
- (list 'or
- (list '>= cache-prec
- 'calc-internal-prec)
- (list 'setq
- cache-val
- (list 'let
- '((calc-internal-prec
- (+ calc-internal-prec
- 4)))
- form)
- cache-prec
- '(+ calc-internal-prec 2)))
- cache-val))
- last-prec 'calc-internal-prec))
- last-val))))
+ `(progn
+; (defvar ,cache-prec ,(if init (math-numdigs (nth 1 init)) -100))
+ (defvar ,cache-prec (cond
+ ((consp ,init) (math-numdigs (nth 1 ,init)))
+ (,init
+ (nth 1 (math-numdigs (eval ,init))))
+ (t
+ -100)))
+ (defvar ,cache-val (cond ((consp ,init) ,init)
+ (,init (eval ,init))
+ (t ,init)))
+ (defvar ,last-prec -100)
+ (defvar ,last-val nil)
+ (setq math-cache-list
+ (cons ',cache-prec
+ (cons ',last-prec
+ math-cache-list)))
+ (defun ,name ()
+ (or (= ,last-prec calc-internal-prec)
+ (setq ,last-val
+ (math-normalize
+ (progn (or (>= ,cache-prec calc-internal-prec)
+ (setq ,cache-val
+ (let ((calc-internal-prec
+ (+ calc-internal-prec 4)))
+ ,form)
+ ,cache-prec (+ calc-internal-prec 2)))
+ ,cache-val))
+ ,last-prec calc-internal-prec))
+ ,last-val))))