version 1.1, 2001/08/21 00:47:27 |
version 1.3, 2001/09/04 02:46:15 |
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/* $OpenXM$ */ |
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#include "ca.h" |
#include "ca.h" |
#include "parse.h" |
#include "parse.h" |
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fn = mkfnode(3,I_BOP,subfs,0,BDY(a)); |
fn = mkfnode(3,I_BOP,subfs,0,BDY(a)); |
MKQUOTE(*c,fn); |
MKQUOTE(*c,fn); |
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} |
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void polytoquote(), dctoquote(), vartoquote(); |
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void objtoquote(a,c) |
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Obj a; |
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QUOTE *c; |
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{ |
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QUOTE nm,dn; |
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if ( !a ) { |
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MKQUOTE(*c,mkfnode(1,I_FORMULA,(pointer)a)); |
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return; |
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} |
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switch ( OID(a) ) { |
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case O_N: |
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MKQUOTE(*c,mkfnode(1,I_FORMULA,(pointer)a)); |
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break; |
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case O_P: |
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polytoquote((P)a,c); |
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break; |
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case O_R: |
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polytoquote(NM((R)a),&nm); |
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polytoquote(DN((R)a),&dn); |
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divquote(CO,nm,dn,c); |
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break; |
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case O_QUOTE: |
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*c = (QUOTE)a; |
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break; |
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default: |
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error("objtoquote : not implemented"); |
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} |
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} |
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void polytoquote(a,c) |
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P a; |
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QUOTE *c; |
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{ |
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DCP dc,t; |
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DCP *dca; |
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int n,i; |
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QUOTE v,r,s,u; |
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if ( !a || (OID(a) == O_N) ) { |
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MKQUOTE(*c,mkfnode(1,I_FORMULA,(pointer)a)); |
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return; |
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} |
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dc = DC((P)a); |
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vartoquote(VR((P)a),&v); |
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for ( t = dc, n = 0; t; t = NEXT(t), n++ ); |
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dca = (DCP *)ALLOCA(n*sizeof(DCP)); |
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for ( t = dc, i = 0; t; t = NEXT(t), i++ ) |
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dca[i] = t; |
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dctoquote(dca[n-1],v,&r); |
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for ( i = n-2; i >= 0; i-- ) { |
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dctoquote(dca[i],v,&s); |
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addquote(CO,s,r,&u); |
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r = u; |
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} |
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*c = r; |
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} |
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void dctoquote(dc,v,c) |
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DCP dc; |
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QUOTE v; |
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QUOTE *c; |
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{ |
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QUOTE r,d,s,u; |
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objtoquote(COEF(dc),&r); |
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if ( DEG(dc) ) { |
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objtoquote(DEG(dc),&d); |
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pwrquote(CO,v,d,&s); |
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mulquote(CO,r,s,&u); |
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r = u; |
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} |
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*c = r; |
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} |
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void vartoquote(v,c) |
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V v; |
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QUOTE *c; |
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{ |
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P x; |
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PF pf; |
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PFAD ad; |
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QUOTE a,b; |
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int i; |
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FUNC f; |
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NODE t,t1; |
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if ( NAME(v) ) { |
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MKV(v,x); |
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MKQUOTE(*c,mkfnode(1,I_FORMULA,(pointer)x)); |
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} else if ( (vid)v->attr == V_PF ) { |
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/* pure function */ |
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pf = ((PFINS)v->priv)->pf; |
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ad = ((PFINS)v->priv)->ad; |
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if ( !strcmp(NAME(pf),"pow") ) { |
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/* pow(a,b) = a^b */ |
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objtoquote(ad[0].arg,&a); objtoquote(ad[1].arg,&b); |
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pwrquote(CO,a,b,c); |
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} else { |
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for ( i = 0; i < pf->argc; i++ ) |
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if ( ad[i].d ) |
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break; |
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if ( i < pf->argc ) |
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error("vartoquote : not implemented"); |
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gen_searchf(NAME(pf),&f); |
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t = 0; |
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for ( i = pf->argc-1; i >= 0; i-- ) { |
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objtoquote(ad[i].arg,&a); |
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MKNODE(t1,BDY(a),t); |
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t = t1; |
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} |
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MKQUOTE(*c,mkfnode(2,I_FUNC,f,mkfnode(1,I_LIST,t))); |
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} |
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} |
} |
} |