1 /* $Id: gp_init.c 7895 2006-04-19 20:34:12Z bill $
2
3 Copyright (C) 2000 The PARI group.
4
5 This file is part of the PARI/GP package.
6
7 PARI/GP is free software; you can redistribute it and/or modify it under the
8 terms of the GNU General Public License as published by the Free Software
9 Foundation. It is distributed in the hope that it will be useful, but WITHOUT
10 ANY WARRANTY WHATSOEVER.
11
12 Check the License for details. You should have received a copy of it, along
13 with the package; see the file 'COPYING'. If not, write to the Free Software
14 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
15
16 /*******************************************************************/
17 /* */
18 /* GP-SPECIFIC FUNCTIONS */
19 /* */
20 /*******************************************************************/
21 #include "pari.h"
22 #include "paripriv.h"
23 #include "../graph/rect.h"
24 #include "../language/anal.h"
25 #include "gp.h"
26
whatnow0(char * s)27 static void whatnow0(char *s) { whatnow(s,0); }
28
29 #include "gp_init.h"
30
31 /* Backward Compatibility */
32
33 static GEN
gtype(GEN x)34 gtype(GEN x)
35 {
36 return stoi(typ(x));
37 }
38
39 static GEN
gsettype(GEN x,long t)40 gsettype(GEN x,long t)
41 {
42 x=gcopy(x); settyp(x,t); return x;
43 }
44
45 static long
setserieslength(long n)46 setserieslength(long n)
47 {
48 long m=precdl;
49 if(n>0) precdl=n;
50 return m;
51 }
52
53 static long
setprecr(long n)54 setprecr(long n)
55 {
56 long m = GP_DATA->fmt->sigd;
57 if (n > 0) { GP_DATA->fmt->sigd = n; precreal = ndec2prec(n); }
58 return m;
59 }
60
61 entree functions_oldgp[] = {
62 {"allocatemem",11,(void *)allocatemoremem,2,"vLp","allocatemem(s)=allocates a new stack of s bytes, or doubles the stack if size is 0"},
63 {"box",35,(void *)rectbox,10,"vLGG","box(w,x2,y2)=if the cursor is at position (x1,y1), draw a box with diagonal (x1,y1) and (x2,y2) in rectwindow w (cursor does not move)"},
64 {"color",2,(void *)rectcolor,2,"vLL","color(w,c)=set default color to c in rectwindow. Possible values for c are 1=sienna, 2=cornsilk, 3=red, 4=black, 5=grey, 6=blue, 7=gainsborough"},
65 {"cursor",11,(void*)rectcursor,10,"vLp","cursor(w)=current position of cursor in rectwindow w"},
66 {"default",0,(void*)default0,11,"D\"\",r,D\"\",s,D0,L,","default({opt},{v},{flag}): set the default opt to v. If v is omitted, print the current default for opt. If no argument is given, print a list of all defaults as well as their values. If flag is non-zero, return the result instead of printing it on screen. See manual for details"},
67 {"draw",1,(void*)rectdraw,10,"vGp","draw(list)=draw vector of rectwindows list at indicated x,y positions; list is a vector w1,x1,y1,w2,x2,y2,etc..."},
68 {"initrect",34,(void*)initrect,10,"vLLL","initrect(w,x,y)=initialize rectwindow w to size x,y"},
69 {"kill",85,(void*)kill0,11,"vS","kill(x)=kills the present value of the variable or function x. Returns new value or 0"},
70 {"killrect",11,(void *)killrect,10,"vL","killrect(w)=erase the rectwindow w"},
71 {"line",35,(void *)rectline,10,"vLGG","line(w,x2,y2)=if cursor is at position (x1,y1), draw a line from (x1,y1) to (x2,y2) (and move the cursor) in the rectwindow w"},
72 {"lines",35,(void *)rectlines,10,"vLGG","lines(w,listx,listy)=draws an open polygon in rectwindow w where listx and listy contain the x (resp. y) coordinates of the vertices"},
73 {"move",35,(void*)rectmove,10,"vLGG","move(w,x,y)=move cursor to position x,y in rectwindow w"},
74 {"plot",99,(void *)plot,10,"vV=GGIDGDGp","plot(X=a,b,expr)=crude plot of expression expr, X goes from a to b"},
75 {"ploth",37,(void *)ploth,10,"V=GGIp","ploth(X=a,b,expr)=plot of expression expr, X goes from a to b in high resolution"},
76 {"ploth2",37,(void *)ploth2,10,"V=GGIp","ploth2(X=a,b,[expr1,expr2])=plot of points [expr1,expr2], X goes from a to b in high resolution"},
77 {"plothmult",37,(void *)plothmult,10,"V=GGIp","plothmult(X=a,b,[expr1,...])=plot of expressions expr1,..., X goes from a to b in high resolution"},
78 {"plothraw",2,(void *)plothraw,10,"GGp","plothraw(listx,listy)=plot in high resolution points whose x (resp. y) coordinates are in listx (resp. listy)"},
79 {"point",35,(void *)rectpoint,10,"vLGG","point(w,x,y)=draw a point (and move cursor) at position x,y in rectwindow w"},
80 {"points",35,(void *)rectpoints,10,"vLGG","points(w,listx,listy)=draws in rectwindow w the points whose x (resp y) coordinates are in listx (resp listy)"},
81 {"postdraw",1,(void *)postdraw,10,"vG","postdraw(list)=same as plotdraw, except that the output is a PostScript program in file \"pari.ps\""},
82 {"postploth",37,(void *)postploth,10,"V=GGIpD0,L,D0,L,","postploth(X=a,b,expr)=same as ploth, except that the output is a PostScript program in the file \"pari.ps\""},
83 {"postploth2",37,(void *)postploth2,10,"V=GGIpD0,L,","postploth2(X=a,b,[expr1,expr2])=same as ploth2, except that the output is a PostScript program in the file \"pari.ps\""},
84 {"postplothraw",2,(void *)postplothraw,10,"GGD0,L,","postplothraw(listx,listy)=same as plothraw, except that the output is a PostScript program in the file \"pari.ps\""},
85 {"pprint",0,(void*)printp,11,"vs*","pprint(a)=outputs a in beautified format ending with newline"},
86 {"pprint1",0,(void*)printp1,11,"vs*","pprint1(a)=outputs a in beautified format without ending with newline"},
87 {"print",0,(void*)print,11,"vs*","print(a)=outputs a in raw format ending with newline"},
88 {"print1",0,(void*)print1,11,"vs*","print1(a)=outputs a in raw format without ending with newline"},
89 {"rbox",35,(void *)rectrbox,10,"vLGG","rbox(w,dx,dy)=if the cursor is at (x1,y1), draw a box with diagonal (x1,y1)-(x1+dx,y1+dy) in rectwindow w (cursor does not move)"},
90 {"read",0,(void *)input0,11,"","read()=read an expression from the input file or standard input"},
91 {"rline",35,(void *)rectrline,10,"vLGG","rline(w,dx,dy)=if the cursor is at (x1,y1), draw a line from (x1,y1) to (x1+dx,y1+dy) (and move the cursor) in the rectwindow w"},
92 {"rlines",35,(void *)rectlines,10,"vLGG","rlines(w,dx,dy)=draw in rectwindow w the points given by vector of first coordinates xsand vector of second coordinates, connect them by lines"},
93 {"rmove",35,(void *)rectrmove,10,"vLGG","rmove(w,dx,dy)=move cursor to position (dx,dy) relative to the present position in the rectwindow w"},
94 {"rpoint",35,(void *)rectrpoint,10,"vLGG","rpoint(w,dx,dy)=draw a point (and move cursor) at position dx,dy relative to present position of the cursor in rectwindow w"},
95 {"rpoints",35,(void *)rectpoints,10,"vLGG","rpoints(w,xs,ys)=draw in rectwindow w the points given by vector of first coordinates xs and vector of second coordinates ys"},
96 {"scale",59,(void *)rectscale,10,"vLGGGG","scale(w,x1,x2,y1,y2)=scale the coordinates in rectwindow w so that x goes from x1 to x2 and y from y1 to y2 (y2<y1 is allowed)"},
97 {"setprecision",15,(void *)setprecr,2,"lL","setprecision(n)=set the current precision to n decimal digits if n>0, or return the current precision if n<=0"},
98 {"setserieslength",15,(void *)setserieslength,2,"lL","setserieslength(n)=set the default length of power series to n if n>0, or return the current default length if n<=0"},
99 {"settype",21,(void *)gsettype,2,"GL","settype(x,t)=make a copy of x with type t (to use with extreme care)"},
100 {"string",57,(void*)rectstring,10,"vLs","string(w,x)=draw in rectwindow w the string corresponding to x, where x is either a string, or a number in R, written in format 9.3"},
101 {"system",70,(void*) system0,11,"vs","system(a): a being a string, execute the system command a (not valid on every machine)"},
102 {"texprint",0,(void*)printtex,11,"vs*","texprint(a)=outputs a in TeX format"},
103 {"type",1,(void *)gtype,2,"Gp","type(x)=internal type number of the GEN x"},
104
105 {NULL,0,NULL,0,NULL,NULL} /* sentinel */
106 ,};
107