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core/vb.c
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| /* Copyright 1990-2011, Jsoftware Inc. All rights reserved. */ | |
| /* License in license.txt. */ | |
| /* */ | |
| /* Verbs: Boolean-Valued */ | |
| #include "j.h" | |
| #include "ve.h" | |
| BPFX( andBB, AND ,BAND, AND, BAND ) | |
| BPFX( orBB, OR ,BOR, OR, BOR ) | |
| BPFX(nandBB, NAND,BNAND,NAND,BNAND) | |
| BPFX( norBB, NOR ,BNOR, NOR, BNOR ) | |
| F1(jtrazein){R df2(w,box(raze(w)),amp(swap(ds(CEPS)),ds(COPE)));} | |
| static F2(jtebarmat){A ya,yw,z;B b,*zv;C*au,*av,*u,*v,*v0,*wu,*wv;I*as,c,i,k,m,n,r,s,si,sj,t,*ws; | |
| RZ(a&&w); | |
| as=AS(a); av=CAV(a); | |
| ws=AS(w); v=v0=wv=CAV(w); | |
| si=as[0]; m=1+ws[0]-si; | |
| sj=as[1]; n=1+ws[1]-sj; | |
| t=AT(w); k=bp(t); c=ws[1]; r=k*c; s=k*sj; | |
| GA(z,B01,AN(w),2,ws); zv=BAV(z); memset(zv,C0,AN(z)); | |
| if(t&B01+LIT+INT||0==jt->ct&&t&FL+CMPX) | |
| for(i=0;i<m;++i){ | |
| DO(n, u=av; b=0; DO(si, if(b=memcmp(u,v,s))break; u+=s; v+=r;); v=v0+=k; zv[i]=!b;); | |
| zv+=c; v=v0=wv+=r; | |
| }else{ | |
| GA(ya,t,sj,1,0); au=CAV(ya); | |
| GA(yw,t,sj,1,0); wu=CAV(yw); | |
| for(i=0;i<m;++i){ | |
| DO(n, u=av; b=0; DO(si, MC(au,u,s); MC(wu,v,s); if(b=!equ(ya,yw) )break; u+=s; v+=r;); v=v0+=k; zv[i]=!b;); | |
| zv+=c; v=v0=wv+=r; | |
| }} | |
| R z; | |
| } /* E. on matrix arguments */ | |
| static F2(jtebarvec){A y,z;B*zv;C*av,*wv,*yv;I an,k,n,s,t,wn; | |
| RZ(a&&w); | |
| an=AN(a); av=CAV(a); | |
| wn=AN(w); wv=CAV(w); n=1+wn-an; | |
| t=AT(w); k=bp(t); s=k*an; | |
| GA(z,B01,wn,1,0); zv=BAV(z); | |
| if(an&&wn>an)memset(zv+n,C0,wn-n); else memset(zv,C0,wn); | |
| if(t&INT||0==jt->ct&&t&FL+CMPX)DO(n, zv[i]=!memcmp(av,wv,s); wv+=k;) | |
| else{GA(y,t,an,AR(a),0); yv=CAV(y); DO(n, MC(yv,wv,s); zv[i]=equ(a,y); wv+=k;);} | |
| R z; | |
| } /* E. on vector arguments */ | |
| /* preparations for ebar */ | |
| /* return code meaning: */ | |
| /* >0 is cardinality of range */ | |
| /* <0: */ | |
| /* -1: not homogeneous */ | |
| /* -2: rank is 2 */ | |
| /* -3: rank > 2 */ | |
| /* -4: not discrete type or range too large */ | |
| static I jtebarprep(J jt,A a,A w,A*za,A*zw,I*zc){I ar,at,c=0,ca,cw,d=IMAX,da,dw,m,n,t,wr,wt; | |
| ar=AR(a); at=AT(a); m=AN(a); | |
| wr=AR(w); wt=AT(w); n=AN(w); | |
| ASSERT(ar==wr||!ar&&1==wr,EVRANK); | |
| if(m&&n&&!HOMO(at,wt))R -1; | |
| if(m&&n)RE(t=maxtype(at,wt)) else t=m?at:n?wt:B01; | |
| if(t!=at)RZ(a=cvt(t,a)); | |
| if(t!=wt)RZ(w=cvt(t,w)); | |
| *za=a; *zw=w; *zc=c; | |
| if(1<wr)R 2==wr?-2:-3; | |
| switch(t){ | |
| case INT: irange(m,AV(a),&ca,&da); if(da)irange(n,AV(w),&cw,&dw); | |
| if(da&&dw){c=MIN(ca,cw); d=MAX(ca+da,cw+dw)-c;} | |
| if(0<c&&c+d<=4*n){d+=c; c=0;} break; | |
| case C2T: d=65536; break; | |
| case LIT: d=256; break; | |
| case B01: d=2; break; | |
| } | |
| R t&B01+LIT+C2T||t&INT&&0<d&&d<=4*n ? d : -4; | |
| } | |
| #define EBLOOP(T,SUB0,SUB1,ZFUNC) \ | |
| {T*u=(T*)av,*v=(T*)wv; \ | |
| DO(m, yv[SUB0]=m-i;); \ | |
| while(k< p){for(i=0;i<m&&u[i]==v[k+i];++i); ZFUNC; k+=yv[SUB1];} \ | |
| if (k==p){for(i=0;i<m&&u[i]==v[k+i];++i); ZFUNC; } \ | |
| } | |
| F2(jtebar){PROLOG;A y,z;B*zv;C*av,*wv;I c,d,i,k=0,m,n,p,*yv; | |
| RZ(a&&w); | |
| RE(d=ebarprep(a,w,&a,&w,&c)); | |
| av=CAV(a); m=AN(a); | |
| wv=CAV(w); n=AN(w); p=n-m; | |
| switch(d){ | |
| case -1: R reshape(shape(w),zero); | |
| case -2: R ebarmat(a,w); | |
| case -3: R df2(shape(a),w,cut(amp(a,ds(CMATCH)),num[3])); | |
| case -4: R ebarvec(a,w); | |
| } | |
| GA(z,B01,n,AR(w),0); zv=BAV(z); memset(zv,C0,n); | |
| GA(y,INT,d,1, 0); yv= AV(y); DO(d, yv[i]=1+m;); | |
| switch(AT(w)){ | |
| case INT: if(c)EBLOOP(I, u[i]-c,v[k+m]-c, zv[k]=i==m) | |
| else EBLOOP(I, u[i], v[k+m], zv[k]=i==m); break; | |
| case C2T: EBLOOP(US,u[i], v[k+m], zv[k]=i==m); break; | |
| default: EBLOOP(UC,u[i], v[k+m], zv[k]=i==m); | |
| } | |
| EPILOG(z); | |
| } /* Daniel M. Sunday, CACM 1990 8, 132-142 */ | |
| F2(jti1ebar){A y;C*av,*wv;I c,d,i,k=0,m,n,p,*yv; | |
| RZ(a&&w); | |
| RE(d=ebarprep(a,w,&a,&w,&c)); | |
| av=CAV(a); m=AN(a); | |
| wv=CAV(w); n=AN(w); p=n-m; | |
| switch(d){ | |
| case -1: R sc(n); | |
| case -4: R indexof(ebarvec(a,w),one); | |
| } | |
| GA(y,INT,d,1,0); yv=AV(y); DO(d, yv[i]=1+m;); | |
| switch(AT(w)){ | |
| case INT: if(c)EBLOOP(I, u[i]-c,v[k+m]-c, if(i==m)R sc(k)) | |
| else EBLOOP(I, u[i], v[k+m], if(i==m)R sc(k)); break; | |
| case C2T: EBLOOP(US,u[i], v[k+m], if(i==m)R sc(k)); break; | |
| default: EBLOOP(UC,u[i], v[k+m], if(i==m)R sc(k)); | |
| } | |
| R sc(n); | |
| } /* a (E. i. 1:) w where a and w are atoms or lists */ | |
| F2(jtsumebar){A y;C*av,*wv;I c,d,i,k=0,m,n,p,*yv,z=0; | |
| RZ(a&&w); | |
| RE(d=ebarprep(a,w,&a,&w,&c)); | |
| av=CAV(a); m=AN(a); | |
| wv=CAV(w); n=AN(w); p=n-m; | |
| switch(d){ | |
| case -1: R zero; | |
| case -4: R aslash(CPLUS,ebarvec(a,w)); | |
| } | |
| GA(y,INT,d,1,0); yv=AV(y); DO(d, yv[i]=1+m;); | |
| switch(AT(w)){ | |
| case INT: if(c)EBLOOP(I, u[i]-c,v[k+m]-c, if(i==m)++z) | |
| else EBLOOP(I, u[i], v[k+m], if(i==m)++z); break; | |
| case C2T: EBLOOP(US,u[i], v[k+m], if(i==m)++z); break; | |
| default: EBLOOP(UC,u[i], v[k+m], if(i==m)++z); | |
| } | |
| R sc(z); | |
| } /* a ([: +/ E.) w where a and w are atoms or lists */ | |
| F2(jtanyebar){A y;C*av,*wv;I c,d,i,k=0,m,n,p,*yv; | |
| RZ(a&&w); | |
| RE(d=ebarprep(a,w,&a,&w,&c)); | |
| av=CAV(a); m=AN(a); | |
| wv=CAV(w); n=AN(w); p=n-m; | |
| switch(d){ | |
| case -1: R zero; | |
| case -4: R aslash(CPLUSDOT,ebarvec(a,w)); | |
| } | |
| GA(y,INT,d,1,0); yv=AV(y); DO(d, yv[i]=1+m;); | |
| switch(AT(w)){ | |
| case INT: if(c)EBLOOP(I, u[i]-c,v[k+m]-c, if(i==m)R one) | |
| else EBLOOP(I, u[i], v[k+m], if(i==m)R one); break; | |
| case C2T: EBLOOP(US,u[i], v[k+m], if(i==m)R one); break; | |
| default: EBLOOP(UC,u[i], v[k+m], if(i==m)R one); | |
| } | |
| R zero; | |
| } /* a ([: +./ E.) w where a and w are atoms or lists */ | |
| #define IFB1 \ | |
| {if(zu==zv){I m=zu-AV(z); RZ(z=ext(0,z)); zv=m+AV(z); zu=AN(z)+AV(z);} *zv++=k;} | |
| F2(jtifbebar){A y,z;C*av,*wv;I c,d,i,k=0,m,n,p,*yv,*zu,*zv; | |
| RZ(a&&w); | |
| RE(d=ebarprep(a,w,&a,&w,&c)); | |
| av=CAV(a); m=AN(a); | |
| wv=CAV(w); n=AN(w); p=n-m; | |
| switch(d){ | |
| case -1: R mtv; | |
| case -4: R icap(ebarvec(a,w)); | |
| } | |
| GA(z,INT,MAX(22,n/128),1,0); zv=AV(z); zu=zv+AN(z); | |
| GA(y,INT,d,1,0); yv=AV(y); DO(d, yv[i]=1+m;); | |
| switch(AT(w)){ | |
| case INT: if(c)EBLOOP(I, u[i]-c,v[k+m]-c, if(i==m)IFB1) | |
| else EBLOOP(I, u[i], v[k+m], if(i==m)IFB1); break; | |
| case C2T: EBLOOP(US,u[i], v[k+m], if(i==m)IFB1); break; | |
| default: EBLOOP(UC,u[i], v[k+m], if(i==m)IFB1); | |
| } | |
| AN(z)=*AS(z)=zv-AV(z); | |
| R z; | |
| } /* a ([: I. E.) w where a and w are atoms or lists */ |