/* $OpenXM: OpenXM_contrib2/asir2000/parse/quote.c,v 1.11 2004/03/10 02:41:08 noro Exp $ */
#include "ca.h"
#include "parse.h"
void addquote(VL vl,QUOTE a,QUOTE b,QUOTE *c)
{
FNODE fn;
fn = mkfnode(3,I_BOP,addfs,BDY(a),BDY(b));
MKQUOTE(*c,fn);
}
void subquote(VL vl,QUOTE a,QUOTE b,QUOTE *c)
{
FNODE fn;
fn = mkfnode(3,I_BOP,subfs,BDY(a),BDY(b));
MKQUOTE(*c,fn);
}
void mulquote(VL vl,QUOTE a,QUOTE b,QUOTE *c)
{
FNODE fn;
fn = mkfnode(3,I_BOP,mulfs,BDY(a),BDY(b));
MKQUOTE(*c,fn);
}
void divquote(VL vl,QUOTE a,QUOTE b,QUOTE *c)
{
FNODE fn;
fn = mkfnode(3,I_BOP,divfs,BDY(a),BDY(b));
MKQUOTE(*c,fn);
}
void pwrquote(VL vl,QUOTE a,QUOTE b,QUOTE *c)
{
FNODE fn;
if ( !b || OID(b) != O_QUOTE )
error("pwrquote : invalid argument");
fn = mkfnode(3,I_BOP,pwrfs,BDY(a),BDY(b));
MKQUOTE(*c,fn);
}
void chsgnquote(QUOTE a,QUOTE *c)
{
FNODE fn;
fn = mkfnode(3,I_BOP,subfs,0,BDY(a));
MKQUOTE(*c,fn);
}
void objtoquote(Obj a,QUOTE *c)
{
QUOTE nm,dn;
NODE arg,t0,t,t1,t2,t3;
FNODE fn;
Obj obj;
Obj *b;
Obj **m;
int i,j,len,row,col;
Q q,qrow,qcol;
FUNC f;
if ( !a ) {
MKQUOTE(*c,mkfnode(1,I_FORMULA,(pointer)a));
return;
}
switch ( OID(a) ) {
case O_N:
if ( negative_number((Num)a) ) {
arf_chsgn(a,&obj);
MKQUOTE(*c,mkfnode(1,I_MINUS,
mkfnode(1,I_FORMULA,(pointer)obj)));
} else {
MKQUOTE(*c,mkfnode(1,I_FORMULA,(pointer)a));
}
break;
case O_STR:
MKQUOTE(*c,mkfnode(1,I_FORMULA,(pointer)a));
break;
case O_P:
polytoquote((P)a,c);
break;
case O_R:
polytoquote(NM((R)a),&nm);
polytoquote(DN((R)a),&dn);
divquote(CO,nm,dn,c);
break;
case O_LIST:
t0 = 0;
for ( arg = BDY((LIST)a); arg; arg = NEXT(arg) ) {
NEXTNODE(t0,t);
objtoquote(BDY(arg),&nm);
BDY(t) = BDY(nm);
}
if ( t0 )
NEXT(t) = 0;
MKQUOTE(*c,mkfnode(1,I_LIST,t0));
break;
case O_VECT:
len = ((VECT)a)->len;
b = (Obj *)BDY(((VECT)a));
t = 0;
for ( i = len-1; i >= 0; i-- ) {
objtoquote(b[i],&nm);
MKNODE(t1,BDY(nm),t);
t = t1;
}
STOQ(len,q);
t = mknode(2,mkfnode(1,I_FORMULA,q),mkfnode(1,I_LIST,t));
gen_searchf("vector",&f);
MKQUOTE(*c,mkfnode(2,I_FUNC,f,mkfnode(1,I_LIST,t)));
break;
case O_MAT:
row = ((MAT)a)->row;
col = ((MAT)a)->row;
m = (Obj **)BDY(((MAT)a));
t2 = 0;
for ( i = row-1; i >= 0; i-- ) {
t = 0;
for ( j = col-1; j >= 0; j-- ) {
objtoquote(m[i][j],&nm);
MKNODE(t1,BDY(nm),t);
t = t1;
}
fn = mkfnode(1,I_LIST,t);
MKNODE(t3,fn,t2);
t2 = t3;
}
fn = mkfnode(1,I_LIST,t2);
STOQ(row,qrow);
STOQ(col,qcol);
t = mknode(3,
mkfnode(1,I_FORMULA,qrow),mkfnode(1,I_FORMULA,qcol),fn);
gen_searchf("matrix",&f);
MKQUOTE(*c,mkfnode(2,I_FUNC,f,mkfnode(1,I_LIST,t)));
break;
case O_DP:
dptoquote((DP)a,c);
break;
case O_QUOTE:
*c = (QUOTE)a;
break;
default:
error("objtoquote : not implemented");
}
}
void polytoquote(P a,QUOTE *c)
{
DCP dc,t;
DCP *dca;
int n,i,sgn;
QUOTE v,r,s,u;
if ( !a ) {
MKQUOTE(*c,mkfnode(1,I_FORMULA,(pointer)a));
return;
} else if ( OID(a) == O_N ) {
MKQUOTE(*c,mkfnode(1,I_FORMULA,(pointer)a));
return;
}
vartoquote(VR((P)a),&v);
dc = DC((P)a);
dctoquote(dc,v,&r,&sgn);
if ( sgn == -1 ) {
MKQUOTE(u,mkfnode(1,I_MINUS,BDY(r)));
r = u;
}
for (dc = NEXT(dc); dc; dc = NEXT(dc) ) {
dctoquote(dc,v,&s,&sgn);
if ( sgn == -1 )
subquote(CO,r,s,&u);
else
addquote(CO,r,s,&u);
r = u;
}
*c = r;
}
void dptoquote(DP a,QUOTE *c)
{
MP t;
MP m;
int i,n,nv,sgn;
QUOTE s,r,u;
if ( !a ) {
MKQUOTE(*c,mkfnode(1,I_FORMULA,(pointer)a));
return;
}
nv = NV(a);
m = BDY(a);
mptoquote(m,nv,&r,&sgn);
if ( sgn == -1 ) {
MKQUOTE(u,mkfnode(1,I_MINUS,BDY(r)));
r = u;
}
for ( m = NEXT(m); m; m = NEXT(m) ) {
mptoquote(m,nv,&s,&sgn);
if ( sgn < 0 )
subquote(CO,r,s,&u);
else
addquote(CO,r,s,&u);
r = u;
}
*c = r;
}
void dctoquote(DCP dc,QUOTE v,QUOTE *q,int *sgn)
{
QUOTE t,s,u,r;
P c;
Q d;
if ( mmono(COEF(dc)) ) {
/* -xyz... */
chsgnp(COEF(dc),&c);
*sgn = -1;
} else {
c = COEF(dc);
*sgn = 1;
}
d = DEG(dc);
if ( UNIQ(c) ) {
if ( d ) {
if ( UNIQ(d) )
r = v;
else {
objtoquote((Obj)d,&t);
pwrquote(CO,v,t,&r);
}
} else
objtoquote((Obj)ONE,&r);
} else {
objtoquote((Obj)c,&u);
if ( !NUM(c) && NEXT(DC(c)) ) {
MKQUOTE(t,mkfnode(1,I_PAREN,BDY(u)));
u = t;
}
if ( d ) {
if ( UNIQ(d) )
s = v;
else {
objtoquote((Obj)d,&t);
pwrquote(CO,v,t,&s);
}
mulquote(CO,u,s,&r);
} else
r = u;
}
*q = r;
}
void mptoquote(MP m,int n,QUOTE *r,int *sgn)
{
QUOTE s,u;
P c;
NODE t,t1;
FNODE f;
Q q;
DL dl;
int i;
if ( mmono(C(m)) ) {
chsgnp(C(m),&c);
*sgn = -1;
} else {
c = C(m);
*sgn = 1;
}
objtoquote((Obj)c,&s);
if ( !NUM(c) && NEXT(DC(c)) ) {
MKQUOTE(u,mkfnode(1,I_PAREN,BDY(s)));
s = u;
}
dl = m->dl;
for ( i = n-1, t = 0; i >= 0; i-- ) {
STOQ(dl->d[i],q);
f = mkfnode(1,I_FORMULA,q);
MKNODE(t1,f,t);
t = t1;
}
MKQUOTE(u,mkfnode(1,I_EV,t));
if ( UNIQ(c) )
*r = u;
else
mulquote(CO,s,u,r);
}
void vartoquote(V v,QUOTE *c)
{
P x;
PF pf;
PFAD ad;
QUOTE a,b;
int i;
FUNC f;
NODE t,t1;
if ( NAME(v) ) {
MKV(v,x);
MKQUOTE(*c,mkfnode(1,I_FORMULA,(pointer)x));
} else if ( (vid)v->attr == V_PF ) {
/* pure function */
pf = ((PFINS)v->priv)->pf;
ad = ((PFINS)v->priv)->ad;
if ( !strcmp(NAME(pf),"pow") ) {
/* pow(a,b) = a^b */
objtoquote(ad[0].arg,&a); objtoquote(ad[1].arg,&b);
pwrquote(CO,a,b,c);
} else {
for ( i = 0; i < pf->argc; i++ )
if ( ad[i].d )
break;
if ( i < pf->argc )
error("vartoquote : not implemented");
gen_searchf(NAME(pf),&f);
t = 0;
for ( i = pf->argc-1; i >= 0; i-- ) {
objtoquote(ad[i].arg,&a);
MKNODE(t1,BDY(a),t);
t = t1;
}
MKQUOTE(*c,mkfnode(2,I_FUNC,f,mkfnode(1,I_LIST,t)));
}
}
}