/usr/share/emacs/site-lisp/maxima/emaxima.lisp is in maxima-emacs 5.41.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 | ;; This is mostly from texmacs-maxima-5.9.2.lisp
;; Small changes to mactex.lisp for interfacing with TeXmacs
;; Andrey Grozin, 2001-2005
(in-package :maxima)
(declare-top
(special lop rop $gcprint $inchar)
(*expr tex-lbp tex-rbp))
(defun main-prompt ()
(format () "(~A~D) "
(print-invert-case (stripdollar $inchar)) $linenum))
(defun tex-stripdollar (x)
(let ((s (quote-% (maybe-invert-string-case (symbol-name (stripdollar x))))))
(if (> (length s) 1)
(concatenate 'string "\\mathrm{" s "}")
s)))
;(defun tex-stripdollar (sym)
; (or (symbolp sym) (return-from tex-stripdollar sym))
; (let* ((name (quote-% (print-invert-case sym)))
; (name1 (if (memq (elt name 0) '(#\$ #\&)) (subseq name 1) name))
; (l (length name1)))
; (if (eql l 1) name1 (concatenate 'string "\\mathrm{" name1 "}"))))
;; Also, we should output f(x)^2, not f^2(x)
(defun tex-mexpt (x l r)
(let((nc (eq (caar x) 'mncexpt))) ; true if a^^b rather than a^b
(setq l (if (and (numberp (cadr x)) (numneedsparen (cadr x)))
(tex (cadr x) (cons "\\left(" l) '("\\right)") lop (caar x))
(tex (cadr x) l nil lop (caar x)))
r (if (mmminusp (setq x (nformat (caddr x))))
;; the change in base-line makes parens unnecessary
(if nc
(tex (cadr x) '("^ {-\\langle ")(cons "\\rangle }" r) 'mparen 'mparen)
(tex (cadr x) '("^ {- ")(cons " }" r) 'mparen 'mparen))
(if nc
(tex x (list "^{\\langle ")(cons "\\rangle}" r) 'mparen 'mparen)
(if (and (integerp x) (< x 10))
(tex x (list "^")(cons "" r) 'mparen 'mparen)
(tex x (list "^{")(cons "}" r) 'mparen 'mparen)))))
(append l r)))
;; binomial coefficients
(defun tex-choose (x l r)
`(,@l
"\\binom{"
,@(tex (cadr x) nil nil 'mparen 'mparen)
"}{"
,@(tex (caddr x) nil nil 'mparen 'mparen)
"}"
,@r))
;; Integrals, sums, products
(defun tex-int (x l r)
(let ((s1 (tex (cadr x) nil nil 'mparen 'mparen)) ;;integrand delims / & d
(var (tex (caddr x) nil nil 'mparen rop))) ;; variable
(cond((= (length x) 3)
(append l `("\\int {" ,@s1 "}{\\;d" ,@var "}\\big.") r))
(t ;; presumably length 5
(let ((low (tex (nth 3 x) nil nil 'mparen 'mparen))
;; 1st item is 0
(hi (tex (nth 4 x) nil nil 'mparen 'mparen)))
(append l `("\\int_{" ,@low "}^{" ,@hi "}{" ,@s1 "\\;d" ,@var "}\\big.") r))))))
(defun tex-sum(x l r)
(let ((op (cond ((eq (caar x) '%sum) "\\sum_{")
((eq (caar x) '%product) "\\prod_{")
;; extend here
))
;; gotta be one of those above
(s1 (tex (cadr x) nil nil 'mparen rop)) ;; summand
(index ;; "index = lowerlimit"
(tex `((mequal simp) ,(caddr x),(cadddr x)) nil nil 'mparen 'mparen))
(toplim (tex (car(cddddr x)) nil nil 'mparen 'mparen)))
(append l `( ,op ,@index "}^{" ,@toplim "}{" ,@s1 "}\\big.") r)))
(defun tex-lsum(x l r)
(let ((op (cond ((eq (caar x) '%lsum) "\\sum_{")
;; extend here
))
;; gotta be one of those above
(s1 (tex (cadr x) nil nil 'mparen rop)) ;; summand
(index ;; "index = lowerlimit"
(tex `((min simp) , (caddr x), (cadddr x)) nil nil 'mparen 'mparen)))
(append l `( ,op ,@index "}}{" ,@s1 "}\\big.") r)))
;; This is a hack for math input of integrals, sums, products
(defmfun $tmint (a b f x) ($integrate f x a b))
(defmspec $tmsum (l) (setq l (cdr l))
(if (= (length l) 3)
(dosum (caddr l) (cadar l) (meval (caddar l)) (meval (cadr l)) t)
(wna-err '$tmsum)))
(defmspec $tmlsum (l) (setq l (cdr l))
(or (= (length l) 2) (wna-err '$tmlsum))
(let ((form (cadr l))
(ind (cadar l))
(lis (meval (caddar l)))
(ans 0))
(or (symbolp ind) (merror "Second argument not a variable ~M" ind))
(cond (($listp lis)
(loop for v in (cdr lis)
with lind = (cons ind nil)
for w = (cons v nil)
do
(setq ans (add* ans (mbinding (lind w) (meval form)))))
ans)
(t `((%lsum) ,form ,ind ,lis)))))
(defmspec $tmprod (l) (setq l (cdr l))
(if (= (length l) 3)
(dosum (caddr l) (cadar l) (meval (caddar l)) (meval (cadr l)) nil)
(wna-err '$tmprod)))
(defun tex-mlabel (x l r)
(tex (caddr x)
(append l
(if (cadr x)
(list (format nil "(~A) "
(print-invert-case (stripdollar (cadr x)))))
nil))
r 'mparen 'mparen))
(defun qndispla (form)
(let (($display2d nil))
(displa form)))
(defun latex (x)
(mapc #'princ
(if (and (listp x) (cdr x)
(equal (string-right-trim '(#\Space) (cadr x)) "Is"))
(qndispla x)
(tex x '("") '("
") 'mparen 'mparen))))
(let ((old-displa (symbol-function 'displa)))
(defun displa (form)
(if (eq $display2d '$emaxima)
(latex form)
(funcall old-displa form))))
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