diff options
Diffstat (limited to 'lisp/calc/calc-ext.el')
| -rw-r--r-- | lisp/calc/calc-ext.el | 46 |
1 files changed, 35 insertions, 11 deletions
diff --git a/lisp/calc/calc-ext.el b/lisp/calc/calc-ext.el index ca89928d46e..65383df308c 100644 --- a/lisp/calc/calc-ext.el +++ b/lisp/calc/calc-ext.el @@ -1878,8 +1878,19 @@ calc-kill calc-kill-region calc-yank)))) (last-prec (intern (concat (symbol-name name) "-last-prec"))) (last-val (intern (concat (symbol-name name) "-last")))) (list 'progn - (list 'defvar cache-prec (if init (math-numdigs (nth 1 init)) -100)) - (list 'defvar cache-val (list 'quote init)) +; (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 @@ -1914,7 +1925,12 @@ calc-kill calc-kill-region calc-yank)))) (put 'math-defcache 'lisp-indent-hook 2) ;;; Betcha didn't know that pi = 16 atan(1/5) - 4 atan(1/239). [F] [Public] -(math-defcache math-pi (float (bigpos 463 238 793 589 653 592 141 3) -21) +(defconst math-approx-pi + (eval-when-compile + (math-read-number-simple "3.141592653589793238463")) + "An approximation for pi.") + +(math-defcache math-pi math-approx-pi (math-add-float (math-mul-float '(float 16 0) (math-arctan-raw '(float 2 -1))) (math-mul-float '(float -4 0) @@ -1945,7 +1961,11 @@ calc-kill calc-kill-region calc-yank)))) (math-defcache math-sqrt-two-pi nil (math-sqrt-float (math-two-pi))) -(math-defcache math-sqrt-e (float (bigpos 849 146 128 700 270 721 648 1) -21) +(defconst math-approx-sqrt-e + (eval-when-compile (math-read-number-simple "1.648721270700128146849")) + "An approximation for sqrt(3).") + +(math-defcache math-sqrt-e math-approx-sqrt-e (math-add-float '(float 1 0) (math-exp-minus-1-raw '(float 5 -1)))) (math-defcache math-e nil @@ -1955,10 +1975,14 @@ calc-kill calc-kill-region calc-yank)))) (math-mul-float (math-add-float (math-sqrt-raw '(float 5 0)) '(float 1 0)) '(float 5 -1))) -(math-defcache math-gamma-const nil - '(float (bigpos 495 467 917 632 470 369 709 646 776 267 677 848 348 672 - 057 988 235 399 359 593 421 310 024 824 900 120 065 606 - 328 015 649 156 772 5) -100)) +(defconst math-approx-gamma-const + (eval-when-compile + (math-read-number-simple + "0.5772156649015328606065120900824024310421593359399235988057672348848677267776646709369470632917467495")) + "An approximation for gamma.") + +(math-defcache math-gamma-const nil + math-approx-gamma-const) (defun math-half-circle (symb) (if (eq calc-angle-mode 'rad) @@ -2202,7 +2226,7 @@ calc-kill calc-kill-region calc-yank)))) (defun math-fixnum-big (a) (if (cdr a) - (+ (car a) (* (math-fixnum-big (cdr a)) 1000)) + (+ (car a) (* (math-fixnum-big (cdr a)) math-bignum-digit-size)) (car a))) (defvar math-simplify-only nil) @@ -2960,7 +2984,7 @@ calc-kill calc-kill-region calc-yank)))) (defun math-read-plain-expr (exp-str &optional error-check) (let* ((calc-language nil) - (math-expr-opers math-standard-opers) + (math-expr-opers (math-standard-ops)) (val (math-read-expr exp-str))) (and error-check (eq (car-safe val) 'error) @@ -3116,7 +3140,7 @@ calc-kill calc-kill-region calc-yank)))) (concat (substring (symbol-name (car a)) 9) "(" (math-vector-to-string (nth 1 a) t) ")")) (t - (let ((op (math-assq2 (car a) math-standard-opers))) + (let ((op (math-assq2 (car a) (math-standard-ops)))) (cond ((and op (= (length a) 3)) (if (> prec (min (nth 2 op) (nth 3 op))) (concat "(" (math-format-flat-expr a 0) ")") |