Annotation of OpenXM_contrib2/asir2000/plot/calc.c, Revision 1.9
1.2 noro 1: /*
2: * Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED
3: * All rights reserved.
4: *
5: * FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited,
6: * non-exclusive and royalty-free license to use, copy, modify and
7: * redistribute, solely for non-commercial and non-profit purposes, the
8: * computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and
9: * conditions of this Agreement. For the avoidance of doubt, you acquire
10: * only a limited right to use the SOFTWARE hereunder, and FLL or any
11: * third party developer retains all rights, including but not limited to
12: * copyrights, in and to the SOFTWARE.
13: *
14: * (1) FLL does not grant you a license in any way for commercial
15: * purposes. You may use the SOFTWARE only for non-commercial and
16: * non-profit purposes only, such as academic, research and internal
17: * business use.
18: * (2) The SOFTWARE is protected by the Copyright Law of Japan and
19: * international copyright treaties. If you make copies of the SOFTWARE,
20: * with or without modification, as permitted hereunder, you shall affix
21: * to all such copies of the SOFTWARE the above copyright notice.
22: * (3) An explicit reference to this SOFTWARE and its copyright owner
23: * shall be made on your publication or presentation in any form of the
24: * results obtained by use of the SOFTWARE.
25: * (4) In the event that you modify the SOFTWARE, you shall notify FLL by
1.3 noro 26: * e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
1.2 noro 27: * for such modification or the source code of the modified part of the
28: * SOFTWARE.
29: *
30: * THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL
31: * MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND
32: * EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS
33: * FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES'
34: * RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY
35: * MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY.
36: * UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT,
37: * OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY
38: * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL
39: * DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES
40: * ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES
41: * FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY
42: * DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF
43: * SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART
44: * OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY
45: * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
46: * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
47: *
1.9 ! saito 48: * $OpenXM: OpenXM_contrib2/asir2000/plot/calc.c,v 1.8 2011/08/10 04:51:58 saito Exp $
1.2 noro 49: */
1.1 noro 50: #include "ca.h"
1.5 noro 51: #include "parse.h"
1.1 noro 52: #include "ifplot.h"
53: #include <math.h>
1.7 ohara 54: #if defined(PARI)
1.1 noro 55: #include "genpari.h"
56: #endif
57:
1.6 noro 58: #ifndef MAXSHORT
59: #define MAXSHORT ((short)0x7fff)
60: #endif
61:
1.9 ! saito 62: void calc(double **tab,struct canvas *can,int nox){
! 63: //memory_plot,MODE_IFPLOTD,MODE_INEQND,MODE_INEQNANDD,MODE_INEQNORD
! 64: //MODE_INEQNXORD,conplotmainD
! 65: double x,y,xstep,ystep;
1.1 noro 66: int ix,iy;
67: Real r,rx,ry;
1.9 ! saito 68: Obj fr,g,t,s;
1.1 noro 69:
1.9 ! saito 70: if(!nox)initmarker(can,"Evaluating...");
1.1 noro 71: MKReal(1.0,r); mulr(CO,(Obj)can->formula,(Obj)r,&fr);
1.9 ! saito 72: xstep=(can->xmax-can->xmin)/can->width;
! 73: ystep=(can->ymax-can->ymin)/can->height;
! 74: MKReal(1.0,rx); MKReal(1.0,ry); // dummy real
! 75: BDY(rx)=can->xmin;
! 76: substr(CO,0,fr,can->vx,can->xmin?(Obj)rx:0,&t); devalr(CO,t,&g);
! 77: BDY(ry)=can->ymin;
! 78: substr(CO,0,g,can->vy,can->ymin?(Obj)ry:0,&t); devalr(CO,t,&s);
! 79: can->vmax=can->vmin=ToReal(s);
! 80: for(ix=0,x=can->xmin; ix<can->width; ix++,x+=xstep){
! 81: BDY(rx)=x; substr(CO,0,fr,can->vx,x?(Obj)rx:0,&t);
1.5 noro 82: devalr(CO,t,&g);
1.9 ! saito 83: if(!nox)marker(can,DIR_X,ix);
! 84: for(iy=0,y=can->ymin; iy<can->height; iy++,y+=ystep){
! 85: BDY(ry)=y;
! 86: substr(CO,0,g,can->vy,y?(Obj)ry:0,&t);
! 87: devalr(CO,t,&s);
! 88: tab[ix][iy]=ToReal(s);
! 89: if(can->vmax<tab[ix][iy])can->vmax=tab[ix][iy];
! 90: if(can->vmin>tab[ix][iy])can->vmin=tab[ix][iy];
! 91: }
! 92: }
! 93: }
! 94:
! 95: void calcq(double **tab,struct canvas *can,int nox){
! 96: //MODE_IFPLOTQ,MODE_INEQNQ,MODE_INEQNANDQ,MODE_INEQNORQ,MODE_INEQNXORQ
! 97: //plotoverD
! 98: Q dx,dy,xstep,ystep,q1,w,h,c;
! 99: P g,g1,f1,f2,x,y;
! 100: int ix,iy;
! 101: Obj fr,gm,t,s;
! 102: Real r,rx,ry;
! 103:
! 104: MKReal(1.0,r); mulr(CO,(Obj)can->formula,(Obj)r,&fr);
! 105: MKReal(1.0,rx); MKReal(1.0,ry); // dummy real
! 106: BDY(rx)=can->xmin;
! 107: substr(CO,0,fr,can->vx,can->xmin?(Obj)rx:0,&t); devalr(CO,t,&gm);
! 108: BDY(ry)=can->ymin;
! 109: substr(CO,0,gm,can->vy,can->ymin?(Obj)ry:0,&t); devalr(CO,t,&s);
! 110: can->vmax=can->vmin=ToReal(s);
! 111:
! 112: subq(can->qxmax,can->qxmin,&dx); STOQ(can->width,w); divq(dx,w,&xstep);
! 113: subq(can->qymax,can->qymin,&dy); STOQ(can->height,h); divq(dy,h,&ystep);
! 114: MKV(can->vx,x); mulp(CO,(P)xstep,x,(P *)&t);
! 115: addp(CO,(P)can->qxmin,(P)t,(P *)&s); substp(CO,can->formula,can->vx,(P)s,&f1);
! 116: MKV(can->vy,y); mulp(CO,(P)ystep,y,(P *)&t);
! 117: addp(CO,(P)can->qymin,(P)t,(P *)&s); substp(CO,f1,can->vy,(P)s,&f2);
! 118: ptozp(f2,1,&c,&g);
! 119: if(!nox) initmarker(can,"Evaluating...");
! 120: for(iy=0;iy<can->height;iy++){
! 121: marker(can,DIR_Y,iy);
! 122: STOQ(iy,q1); substp(CO,g,can->vy,(P)q1,(P *)&t); ptozp((P)t,1,&c,&g1);
! 123: for(ix=0;ix<can->width;ix++){
! 124: STOQ(ix,q1);substp(CO,g1,can->vx,(P)q1,(P *)&t);
1.5 noro 125: devalr(CO,t,&s);
1.9 ! saito 126: tab[ix][iy]=ToReal(s);
! 127: if(can->vmax<tab[ix][iy])can->vmax=tab[ix][iy];
! 128: if(can->vmin>tab[ix][iy])can->vmin=tab[ix][iy];
! 129: }
! 130: }
! 131: }
! 132:
! 133: void calcb(double **tab,struct canvas *can,int nox){
! 134: //MODE_IFPLOTB,MODE_INEQNB,MODE_INEQNANDB,MODE_INEQNORB,MODE_INEQNXORB
! 135: Q dx,dy,xstep,ystep,q1,w,h,c;
! 136: P g,g1,f1,f2,x,y,t,s;
! 137: int ix,iy,*a,*pa;
! 138: VECT ss;
! 139: Obj fr,gm,tm,sm;
! 140: Real r,rx,ry;
! 141:
! 142: MKReal(1.0,r); mulr(CO,(Obj)can->formula,(Obj)r,&fr);
! 143: MKReal(1.0,rx); MKReal(1.0,ry); // dummy real
! 144: BDY(rx)=can->xmin;
! 145: substr(CO,0,fr,can->vx,can->xmin?(Obj)rx:0,&tm); devalr(CO,tm,&gm);
! 146: BDY(ry)=can->ymin;
! 147: substr(CO,0,gm,can->vy,can->ymin?(Obj)ry:0,&tm); devalr(CO,tm,&sm);
! 148: can->vmax=can->vmin=ToReal(sm);
! 149:
! 150: for(iy=0;iy<can->height;iy++)for(ix=0;ix<can->width;ix++)tab[ix][iy]=1.0;
! 151: subq(can->qxmax,can->qxmin,&dx); STOQ(can->width,w); divq(dx,w,&xstep);
! 152: subq(can->qymax,can->qymin,&dy); STOQ(can->height,h); divq(dy,h,&ystep);
! 153: MKV(can->vx,x); mulp(CO,(P)xstep,x,&t);
! 154: addp(CO,(P)can->qxmin,t,&s); substp(CO,can->formula,can->vx,s,&f1);
! 155: MKV(can->vy,y); mulp(CO,(P)ystep,y,&t);
! 156: addp(CO,(P)can->qymin,t,&s); substp(CO,f1,can->vy,s,&f2);
! 157: ptozp(f2,1,&c,&g);
! 158: a=(int *)ALLOCA((MAX(can->width,can->height)+1)*sizeof(int));
! 159: for(iy=0;iy<can->height;iy++)for(ix=0;ix<can->width;ix++)tab[ix][iy]=1.0;
! 160: subq(can->qxmax,can->qxmin,&dx); STOQ(can->width,w); divq(dx,w,&xstep);
! 161: subq(can->qymax,can->qymin,&dy); STOQ(can->height,h); divq(dy,h,&ystep);
! 162: MKV(can->vx,x); mulp(CO,(P)xstep,x,&t);
! 163: addp(CO,(P)can->qxmin,t,&s); substp(CO,can->formula,can->vx,s,&f1);
! 164: MKV(can->vy,y); mulp(CO,(P)ystep,y,&t);
! 165: addp(CO,(P)can->qymin,t,&s); substp(CO,f1,can->vy,s,&f2);
! 166: ptozp(f2,1,&c,&g);
! 167: a=(int *)ALLOCA((MAX(can->width,can->height)+1)*sizeof(int));
! 168: for(ix=0;ix<can->width;ix++){
! 169: STOQ(ix,q1); substp(CO,g,can->vx,(P)q1,&t); ptozp(t,1,&c,&g1);
! 170: if(!g1)for(iy=0;iy<can->height;iy++)tab[ix][iy]=0.0;
! 171: else if(!NUM(g1)){
! 172: sturmseq(CO,g1,&ss);
! 173: seproot(ss,0,can->width,a);
! 174: for(iy=0,pa=a;iy<can->height;iy++,pa++){
! 175: if(*pa<0||(*(pa+1)>=0&&(*pa>*(pa+1))))tab[ix][iy]=0.0;
! 176: else {
! 177: STOQ(iy,q1);substp(CO,g1,can->vy,(P)q1,&t);
! 178: devalr(CO,(Obj)t,(Obj *)&s);
! 179: tab[ix][iy]=ToReal(s);
! 180: if(can->vmax<tab[ix][iy])can->vmax=tab[ix][iy];
! 181: if(can->vmin>tab[ix][iy])can->vmin=tab[ix][iy];
! 182: }
! 183: }
! 184: }
! 185: }
! 186: for(iy=0;iy<can->height;iy++){
! 187: STOQ(iy,q1); substp(CO,g,can->vy,(P)q1,&t); ptozp(t,1,&c,&g1);
! 188: if(!g1) for(ix=0;ix<can->width;ix++)tab[ix][iy]=0.0;
! 189: else if(!NUM(g1)){
! 190: sturmseq(CO,g1,&ss);
! 191: seproot(ss,0,can->height,a);
! 192: for(ix=0,pa=a;ix<can->width;ix++,pa++){
! 193: if(tab[ix][iy]!=0.0){
! 194: if(*pa<0||(*(pa+1)>=0&&(*pa>*(pa+1))))tab[ix][iy]=0.0;
! 195: else {
! 196: STOQ(ix,q1);substp(CO,g1,can->vx,(P)q1,&t);
! 197: devalr(CO,(Obj)t,(Obj *)&s);
! 198: tab[ix][iy]=ToReal(s);
! 199: if(can->vmax<tab[ix][iy])can->vmax=tab[ix][iy];
! 200: if(can->vmin>tab[ix][iy])can->vmin=tab[ix][iy];
! 201: }
! 202: }
! 203: }
1.1 noro 204: }
205: }
206: }
207:
1.9 ! saito 208: double usubstrp(P p,double r){
1.1 noro 209: DCP dc;
210: int d;
1.9 ! saito 211: double t,pwrreal0();
1.1 noro 212:
1.9 ! saito 213: if(!p) t=0.0;
! 214: else if(NUM(p))t=BDY((Real)p);
1.1 noro 215: else {
1.9 ! saito 216: dc=DC(p); t=BDY((Real)COEF(dc));
! 217: for(d=QTOS(DEG(dc)),dc=NEXT(dc);dc;d=QTOS(DEG(dc)),dc=NEXT(dc)){
! 218: t=t*pwrreal0(r,(d-QTOS(DEG(dc))))+BDY((Real)COEF(dc));
1.1 noro 219: }
1.9 ! saito 220: if(d)t*=pwrreal0(r,d);
1.1 noro 221: }
222: return t;
223: }
224:
1.9 ! saito 225: void qcalc(char **tab,struct canvas *can){
! 226: //qifplotmain(Old type)
1.5 noro 227: Q dx,dy,w,h,xstep,ystep,c,q1;
1.1 noro 228: P g,g1,f1,f2,x,y,t,s;
229: int ix,iy;
230: int *a,*pa;
231: VECT ss;
232:
233: subq(can->qxmax,can->qxmin,&dx); STOQ(can->width,w); divq(dx,w,&xstep);
234: subq(can->qymax,can->qymin,&dy); STOQ(can->height,h); divq(dy,h,&ystep);
235: MKV(can->vx,x); mulp(CO,(P)xstep,x,&t);
236: addp(CO,(P)can->qxmin,t,&s); substp(CO,can->formula,can->vx,s,&f1);
237: MKV(can->vy,y); mulp(CO,(P)ystep,y,&t);
238: addp(CO,(P)can->qymin,t,&s); substp(CO,f1,can->vy,s,&f2);
239: ptozp(f2,1,&c,&g);
1.9 ! saito 240: a=(int *)ALLOCA((MAX(can->width,can->height)+1)*sizeof(int));
1.1 noro 241: initmarker(can,"Horizontal scan...");
1.9 ! saito 242: for( ix=0; ix < can->width; ix++ ){
1.1 noro 243: marker(can,DIR_X,ix);
244: STOQ(ix,q1); substp(CO,g,can->vx,(P)q1,&t); ptozp(t,1,&c,&g1);
1.9 ! saito 245: if( !g1 )
! 246: for(iy=0; iy < can->height; iy++ )
! 247: tab[ix][iy]=1;
! 248: else if( !NUM(g1) ){
1.5 noro 249: sturmseq(CO,g1,&ss); seproot(ss,0,can->height,a);
1.9 ! saito 250: for(iy=0, pa=a; iy < can->height; iy++, pa++ )
! 251: if( *pa < 0 || (*(pa+1) >= 0 && (*pa > *(pa+1))) )
! 252: tab[ix][iy]=1;
1.1 noro 253: }
254: }
255: initmarker(can,"Vertical scan...");
1.9 ! saito 256: for( iy=0; iy < can->height; iy++ ){
1.1 noro 257: marker(can,DIR_Y,iy);
258: STOQ(iy,q1); substp(CO,g,can->vy,(P)q1,&t); ptozp(t,1,&c,&g1);
1.9 ! saito 259: if( !g1 )
! 260: for(ix=0; ix < can->width; ix++ )
! 261: tab[ix][iy]=1;
! 262: else if( !NUM(g1) ){
1.5 noro 263: sturmseq(CO,g1,&ss); seproot(ss,0,can->width,a);
1.9 ! saito 264: for(ix=0, pa=a; ix < can->width; ix++, pa++ )
! 265: if( *pa < 0 || (*(pa+1) >= 0 && (*pa > *(pa+1))) )
! 266: tab[ix][iy]=1;
1.1 noro 267: }
268: }
269: }
270:
1.9 ! saito 271: void sturmseq(VL vl,P p,VECT *rp){
! 272: P g1,g2,q,r,s,*t;
1.1 noro 273: V v;
274: VECT ret;
275: int i,j;
276: Q a,b,c,d,h,l,m,x;
277:
1.9 ! saito 278: v=VR(p);t=(P *)ALLOCA((deg(v,p)+1)*sizeof(P));
! 279: g1=t[0]=p;diffp(vl,p,v,(P *)&a);ptozp((P)a,1,&c,&g2);t[1]=g2;
! 280: for(i=1,h=ONE,x=ONE;;){
! 281: if(NUM(g2)) break;
1.1 noro 282: subq(DEG(DC(g1)),DEG(DC(g2)),&d);
1.9 ! saito 283: l=(Q)LC(g2);
! 284: if(SGN(l)<0){
! 285: chsgnq(l,&a);l=a;
1.1 noro 286: }
1.9 ! saito 287: addq(d,ONE,&a);pwrq(l,a,&b);mulp(vl,(P)b,g1,(P *)&a);
1.1 noro 288: divsrp(vl,(P)a,g2,&q,&r);
1.9 ! saito 289: if(!r) break;
! 290: chsgnp(r,&s);r=s;i++;
! 291: if(NUM(r)){
! 292: t[i]=r;break;
! 293: }
! 294: pwrq(h,d,&m);g1=g2;
! 295: mulq(m,x,&a);divsp(vl,r,(P)a,&g2);t[i]=g2;
! 296: x=(Q)LC(g1);
! 297: if(SGN(x)<0){
! 298: chsgnq(x,&a);x=a;
1.1 noro 299: }
1.9 ! saito 300: pwrq(x,d,&a);mulq(a,h,&b);divq(b,m,&h);
1.1 noro 301: }
302: MKVECT(ret,i+1);
1.9 ! saito 303: for(j=0;j<=i;j++)
! 304: ret->body[j]=(pointer)t[j];
! 305: *rp=ret;
1.1 noro 306: }
307:
1.9 ! saito 308: void seproot(VECT s,int min,int max,int *ar){
! 309: P f,*ss;
1.1 noro 310: Q q,t;
311: int i,j,k;
312:
1.9 ! saito 313: ss=(P *)s->body;f=ss[0];
! 314: for(i=min;i<=max;i++){
! 315: STOQ(i,q);usubstqp(f,q,&t);
! 316: if(!t)ar[i]=-1;
1.1 noro 317: else {
1.9 ! saito 318: ar[i]=numch(s,q,t);break;
1.1 noro 319: }
320: }
1.9 ! saito 321: if(i>max) return;
! 322: for(j=max;j>= min;j--){
1.1 noro 323: STOQ(j,q); usubstqp(f,q,&t);
1.9 ! saito 324: if(!t)ar[j]=-1;
1.1 noro 325: else {
1.9 ! saito 326: if(i!=j)ar[j]=numch(s,q,t);
1.1 noro 327: break;
328: }
329: }
1.9 ! saito 330: if(j<=i+1) return;
! 331: if(ar[i]==ar[j]){
! 332: for(k=i+1;k<j;k++)ar[k]=ar[i];
1.1 noro 333: return;
334: }
1.9 ! saito 335: k=(i+j)/2;
1.1 noro 336: seproot(s,i,k,ar);
337: seproot(s,k,j,ar);
338: }
339:
1.9 ! saito 340: int numch(VECT s,Q n,Q a0){
1.1 noro 341: int len,i,c;
342: Q a;
343: P *ss;
344:
1.9 ! saito 345: len=s->len;ss=(P *)s->body;
! 346: for(i=1,c=0;i<len;i++){
1.1 noro 347: usubstqp(ss[i],n,&a);
1.9 ! saito 348: if(a){
! 349: if((SGN(a)>0 && SGN(a0)<0)||(SGN(a)<0&&SGN(a0)>0))c++;
! 350: a0=a;
1.1 noro 351: }
352: }
353: return c;
354: }
355:
1.9 ! saito 356: void usubstqp(P p,Q r,Q *v){
1.1 noro 357: Q d,d1,a,b,t;
358: DCP dc;
359:
1.9 ! saito 360: if(!p)
! 361: *v=0;
! 362: else if(NUM(p))*v=(Q)p;
1.1 noro 363: else {
1.9 ! saito 364: dc=DC(p);t=(Q)COEF(dc);
! 365: for(d=DEG(dc),dc=NEXT(dc);dc;d=DEG(dc),dc=NEXT(dc)){
! 366: subq(d,DEG(dc),&d1);pwrq(r,d1,&a);
! 367: mulq(t,a,&b);addq(b,(Q)COEF(dc),&t);
1.1 noro 368: }
1.9 ! saito 369: if(d){
! 370: pwrq(r,d,&a);mulq(t,a,&b);t=b;
1.1 noro 371: }
1.9 ! saito 372: *v=t;
1.1 noro 373: }
374: }
375:
1.9 ! saito 376: void plotcalc(struct canvas *can){
! 377: //plot,memory_plot,plotover,plot_resize
! 378: double x,xmin,xstep,ymax,ymin,dy,*tab,usubstrp();
! 379: int ix,w,h;
! 380: Real r,rx;
! 381: Obj fr,t,s;
1.1 noro 382: POINT *pa;
383:
384: MKReal(1.0,r); mulr(CO,(Obj)can->formula,(Obj)r,&fr);
1.9 ! saito 385: w=can->width;h=can->height;
! 386: xmin=can->xmin;xstep=(can->xmax-can->xmin)/w;
! 387: tab=(double *)ALLOCA(w*sizeof(double));
! 388: MKReal(1,rx); // dummy real number
! 389: for(ix=0,x=xmin;ix<w;ix++,x+=xstep){
! 390: // full substitution
! 391: BDY(rx)=x;
1.5 noro 392: substr(CO,0,fr,can->vx,x?(Obj)rx:0,&s);
393: devalr(CO,(Obj)s,&t);
1.9 ! saito 394: if(t&&(OID(t)!=O_N||NID((Num)t)!=N_R))
1.1 noro 395: error("plotcalc : invalid evaluation");
1.9 ! saito 396: tab[ix]=ToReal((Num)t);
1.1 noro 397: }
1.9 ! saito 398: if(can->ymax==can->ymin){
! 399: for(ymax=ymin=tab[0],ix=1;ix<w;ix++){
! 400: if(tab[ix]>ymax)ymax=tab[ix];
! 401: if(tab[ix]<ymin)ymin=tab[ix];
1.1 noro 402: }
1.9 ! saito 403: can->ymax=ymax;can->ymin=ymin;
1.1 noro 404: } else {
1.9 ! saito 405: ymax=can->ymax;ymin=can->ymin;
1.1 noro 406: }
1.9 ! saito 407: dy=ymax-ymin;
! 408: can->pa=(struct pa *)MALLOC(sizeof(struct pa));
! 409: can->pa[0].length=w;
! 410: can->pa[0].pos=pa=(POINT *)MALLOC(w*sizeof(POINT));
! 411: for(ix=0;ix<w;ix++){
1.1 noro 412: double t;
1.9 ! saito 413: XC(pa[ix])=ix;
! 414: t=(h-1)*(ymax-tab[ix])/dy;
! 415: if(t>MAXSHORT)YC(pa[ix])=MAXSHORT;
! 416: else if(t<-MAXSHORT)YC(pa[ix])=-MAXSHORT;
! 417: else YC(pa[ix])=(long)t;
1.6 noro 418: }
419: }
420:
1.9 ! saito 421: void polarplotcalc(struct canvas *can){
! 422: //polarplotNG
! 423: double xmax,xmin,ymax,ymin,dx,dy,pmin,pstep,tr,p, *tabx,*taby;
1.6 noro 424: double usubstrp();
1.9 ! saito 425: int i,nstep,w,h;
1.6 noro 426: POINT *pa;
427: Real r;
428: Obj fr,t,s;
429:
430: MKReal(1.0,r); mulr(CO,(Obj)can->formula,(Obj)r,&fr);
1.9 ! saito 431: w=can->width; h=can->height; nstep=can->nzstep;
! 432: pmin=can->zmin; pstep=(can->zmax-can->zmin)/nstep;
! 433: tabx=(double *)ALLOCA(nstep*sizeof(double));
! 434: taby=(double *)ALLOCA(nstep*sizeof(double));
! 435: MKReal(1,r); // dummy real number
! 436: for(i=0,p=pmin;i<nstep;i++,p+= pstep){
! 437: // full substitution
! 438: BDY(r)=p;
1.6 noro 439: substr(CO,0,fr,can->vx,p?(Obj)r:0,&s);
440: devalr(CO,(Obj)s,&t);
1.9 ! saito 441: if(t&&(OID(t)!=O_N||NID((Num)t)!=N_R))
1.6 noro 442: error("polarplotcalc : invalid evaluation");
1.9 ! saito 443: tr=ToReal((Num)t);
! 444: tabx[i]=tr*cos(p);
! 445: taby[i]=tr*sin(p);
! 446: }
! 447: xmax=xmin=tabx[0];
! 448: ymax=ymin=taby[0];
! 449: for(i=1;i<nstep;i++){
! 450: if(tabx[i]>xmax)xmax=tabx[i];
! 451: if(tabx[i]<xmin)xmin=tabx[i];
! 452: if(taby[i]>ymax)ymax=taby[i];
! 453: if(taby[i]<ymin)ymin=taby[i];
! 454: }
! 455: can->xmax=xmax;can->xmin=xmin;
! 456: can->ymax=ymax;can->ymin=ymin;
! 457: dx=xmax-xmin;
! 458: dy=ymax-ymin;
! 459: can->pa=(struct pa *)MALLOC(sizeof(struct pa));
! 460: can->pa[0].length=nstep;
! 461: can->pa[0].pos=pa=(POINT *)MALLOC(w*sizeof(POINT));
! 462: for(i=0;i<nstep;i++){
! 463: XC(pa[i])=(w-1)*(tabx[i]-xmin)/dx;
! 464: YC(pa[i])=(h-1)*(ymax-taby[i])/dy;
1.1 noro 465: }
466: }
1.8 saito 467:
1.9 ! saito 468: /*
! 469: void ineqncalc(double **tab,struct canvas *can,int nox){
! 470: double x,y,xmin,ymin,xstep,ystep;
! 471: int ix,iy,w,h;
! 472: Real r,rx,ry;
! 473: Obj fr,g,t,s;
! 474: V vx,vy;
1.8 saito 475:
1.9 ! saito 476: if(!nox) initmarker(can,"Evaluating...");
1.8 saito 477: MKReal(1.0,r); mulr(CO,(Obj)can->formula,(Obj)r,&fr);
1.9 ! saito 478: vx=can->vx;vy=can->vy;
! 479: w=can->width;h=can->height;
! 480: xmin=can->xmin;xstep=(can->xmax-can->xmin)/w;
! 481: ymin=can->ymin;ystep=(can->ymin-can->ymin)/h;
! 482: MKReal(1.0,rx); MKReal(1.0,ry); // dummy real
1.8 saito 483:
1.9 ! saito 484: for(ix=0,x=xmin;ix<=w;ix++,x+=xstep){
! 485: BDY(rx)=x; substr(CO,0,fr,vx,x?(Obj)rx:0,&t);
1.8 saito 486: devalr(CO,t,&g);
1.9 ! saito 487: if(!nox) marker(can,DIR_X,ix);
! 488: for(iy=0,y=ymin;iy<=h;iy++,y+=ystep){
! 489: BDY(ry)=y;
! 490: substr(CO,0,g,vy,y?(Obj)ry:0,&t);
1.8 saito 491: devalr(CO,t,&s);
1.9 ! saito 492: tab[ix][iy]=ToReal(s);
1.8 saito 493: }
494: }
495: }
1.9 ! saito 496: */
1.8 saito 497:
1.9 ! saito 498: #if defined(INTERVAL)
! 499: void itvcalc(double **mask, struct canvas *can, int nox){
! 500: //MODE_ITVIFPLOT
! 501: double x,y,xstep,ystep,dx,dy,wx,wy;
! 502: int idv,ix,iy,idx,idy;
! 503: Itv ity,itx,ddx,ddy;
! 504: Real r,rx,ry,rx1,ry1,rdx,rdy,rdx1,rdy1;
! 505: V vx,vy;
! 506: Obj fr,g,t,s;
1.8 saito 507:
1.9 ! saito 508: idv=can->division;
1.8 saito 509: MKReal(1.0,r); mulr(CO,(Obj)can->formula,(Obj)r,&fr);
1.9 ! saito 510: vx=can->vx; vy=can->vy;
! 511: xstep=(can->xmax-can->xmin)/can->width;
! 512: ystep=(can->ymax-can->ymin)/can->height;
! 513: if(idv!=0){
! 514: wx=xstep/can->division;
! 515: wy=ystep/can->division;
! 516: }
! 517: MKReal(can->ymin,ry1);
! 518: for(iy=0,y=can->ymin; iy<can->height; iy++,y+=ystep){
! 519: ry=ry1;
! 520: MKReal(y+ystep,ry1);
1.8 saito 521: istoitv((Num)(ry1),(Num)ry,&ity);
522: substr(CO,0,(Obj)fr,vy,(Obj)ity,&t);
1.9 ! saito 523: MKReal(can->xmin,rx1);
! 524: for(ix=0,x=can->xmin; ix<can->width; ix++,x+=xstep){
! 525: rx=rx1;
1.8 saito 526: MKReal(x+xstep,rx1);
1.9 ! saito 527: istoitv((Num)(rx1),(Num)rx,&itx);
! 528: substr(CO,0,(Obj)fr,vx,(Obj)itx,&t);
! 529: MKReal(can->ymin,ry1);
! 530: for(iy=0,y=can->ymin; iy<can->height; iy++,y+=ystep){
! 531: ry=ry1;
! 532: MKReal(y+ystep,ry1);
! 533: istoitv((Num)ry,(Num)ry1,&ity);
! 534: substr(CO,0,(Obj)t,vy,(Obj)ity,&g);
! 535: if(compnum(0,0,(Num)g))mask[ix][iy]=-1;
! 536: else {
! 537: mask[ix][iy]=0;
! 538: /*
! 539: if(idv==0) mask[ix][iy]=0;
! 540: else {
! 541: MKReal(y,rdy1);
! 542: for(idy=0,dy=y;idy<idv;dy+=wy,idy++){
! 543: rdy=rdy1;
! 544: MKReal(dy+wy,rdy1);
! 545: istoitv((Num)rdy,(Num)rdy1,&ddy);
! 546: substr(CO,0,(Obj)fr,vy,(Obj)ddy,&t);
! 547: MKReal(x,rdx1);
! 548: for(idx=0,dx=x;idx<idx;dx+=wx,idx++){
! 549: rdx=rdx1;
! 550: MKReal(dx+wx,rdx1);
! 551: istoitv((Num)rdx,(Num)rdx1,&ddx);
! 552: substr(CO,0,(Obj)t,vx,(Obj)ddx,&g);
! 553: if(!compnum(0,0,(Num)g)){
! 554: mask[ix][iy]=0;
! 555: break;
! 556: }
! 557: }
! 558: if(mask[ix][iy]==0)break;
! 559: }
! 560: }
! 561: */
! 562: }
! 563: }
1.8 saito 564: }
565: }
566: }
567: #endif
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