/* $OpenXM: OpenXM_contrib2/asir2000/io/bload.c,v 1.1.1.1 1999/12/03 07:39:11 noro Exp $ */
#include "ca.h"
#include "parse.h"
#if INET
#include "com.h"
#endif
#if PARI
#include "genpari.h"
int get_lg(GEN);
#endif

void loaderror(FILE *,ERR *);
void loadui(FILE *,USINT *);
void loaddp(FILE *,DP *);
void loadstr(FILE *,char **);
void loadstring(FILE *,STRING *);
void loadmat(FILE *,MAT *);
void loadvect(FILE *,VECT *);
void loadlist(FILE *,LIST *);
void loadr(FILE *,R *);
void loadp(FILE *,P *);
void loadgf2n(FILE *,GF2N *);
void loadgfpn(FILE *,GFPN *);
void loadlm(FILE *,LM *);
void loadmi(FILE *,MQ *);
void loadcplx(FILE *,C *);
void loadbf(FILE *,BF *);
void loadreal(FILE *,Real *);
void loadq(FILE *,Q *);
void loadnum(FILE *,Num *);
void loadgfmmat(FILE *,GFMMAT *);

V loadpfins(FILE *);

extern VL file_vl;

void (*loadf[])() = { 0, loadnum, loadp, loadr, loadlist, loadvect, loadmat,
	loadstring, 0, loaddp, loadui, loaderror,0,0,0,loadgfmmat };
void (*nloadf[])() = { loadq, loadreal, 0, loadbf, loadcplx, loadmi, loadlm, loadgf2n, loadgfpn };

void loadobj(s,p)
FILE *s;
Obj *p;
{
	short id;

	read_short(s,&id);
	if ( !id )
		*p = 0;
	else if ( !loadf[id] )
		error("loadobj : not implemented");
	else
		(*loadf[id])(s,p);
}

void loadnum(s,p)
FILE *s;
Num *p;
{ 
	char nid;

	read_char(s,&nid);
	if ( !nloadf[nid] )
		error("loadnum : not implemented");
	else
		(*nloadf[nid])(s,p); 
}

void loadq(s,p)
FILE *s;
Q *p;
{
	int size[2];
	char sgn;
	int len = 2;
	N nm,dn;

	read_char(s,&sgn); read_intarray(s,size,len);
	nm = NALLOC(size[0]); PL(nm) = size[0];
	read_intarray(s,BD(nm),size[0]);
	if ( size[1] ) {
		dn = NALLOC(size[1]); PL(dn) = size[1];
		read_intarray(s,BD(dn),size[1]);
	} else
		dn = 0;
	NDTOQ(nm,dn,sgn,*p);
}

void loadreal(s,p)
FILE *s;
Real *p;
{
	Real q;
	char dmy;

	read_char(s,&dmy);
	NEWReal(q); read_double(s,&BDY(q));
	*p = q;
}

void loadbf(s,p)
FILE *s;
BF *p;
{
#if PARI
	GEN z;
	unsigned int uexpo,lexpo;
	UL expo;
	char dmy;
	int sign;
	unsigned int len;
	BF q;

	read_char(s,&dmy);
	read_int(s,&sign);
	read_int(s,&uexpo);
	read_int(s,&lexpo);

#if defined(LONG_IS_32BIT)
	if ( uexpo )
		error("loadbf : exponent too large");
	read_int(s,&len);
	NEWBF(q,len+2);
	z = (GEN)BDY(q);
	settyp(z,t_REAL);
	setlg(z,len+2);
	setsigne(z,(long)sign);
	setexpo(z,(long)lexpo);
	read_intarray(s,(int *)(z+2),len);
#elif defined(LONG_IS_64BIT)
	expo = (((UL)uexpo)<<32)|((UL)lexpo);
	read_int(s,&len);
	NEWBF(q,(len+5)/2); /* 2+(len+1)/2 */
	z = (GEN)BDY(q);
	settyp(z,t_REAL);
	setlg(z,(len+5)/2);
	setsigne(z,(long)sign);
	setexpo(z,(long)expo);
	read_longarray(s,z+2,len);
#endif
	*p = q;
#else
	error("loadbf : PARI is not combined");
#endif
}

void loadcplx(s,p)
FILE *s;
C *p;
{
	C q;
	char dmy;

	read_char(s,&dmy);
	NEWC(q); loadobj(s,(Obj *)&q->r); loadobj(s,(Obj *)&q->i);
	*p = q;
}

void loadmi(s,p)
FILE *s;
MQ *p;
{
	MQ q;
	char dmy;

	read_char(s,&dmy);
	NEWMQ(q); read_int(s,(int *)&CONT(q));
	*p = q;
}

void loadlm(s,p)
FILE *s;
LM *p;
{
	int size;
	char dmy;
	N body;

	read_char(s,&dmy); read_int(s,&size);
	body = NALLOC(size); PL(body) = size;
	read_intarray(s,BD(body),size);
	MKLM(body,*p);
}

void loadgf2n(s,p)
FILE *s;
GF2N *p;
{
	char dmy;
	int len;
	UP2 body;

	read_char(s,&dmy); read_int(s,&len);
	NEWUP2(body,len); body->w = len;
	read_intarray(s,body->b,len);
	MKGF2N(body,*p);
}

void loadgfpn(s,p)
FILE *s;
GFPN *p;
{
	char dmy;
	int d,i;
	UP body;

	read_char(s,&dmy); read_int(s,&d);
	body = UPALLOC(d);
	body->d = d;
	for ( i = 0; i <= d; i++ )
		loadobj(s,(Obj *)&body->c[i]);
	MKGFPN(body,*p);
}

void loadp(s,p)
FILE *s;
P *p;
{
	V v;
	int n,vindex;
	DCP dc,dc0;
	P t;

	read_int(s,&vindex);
	if ( vindex < 0 )
	/* v is a pure function */
		v = loadpfins(s);
	else 
		v = (V)load_convv(vindex);
	read_int(s,&n);
	for ( dc0 = 0; n; n-- ) {
		NEXTDC(dc0,dc); loadobj(s,(Obj *)&DEG(dc)); loadobj(s,(Obj *)&COEF(dc));
	}
	NEXT(dc) = 0;
	MKP(v,dc0,t);
	if ( vindex < 0 || file_vl )
		reorderp(CO,file_vl,t,p);
	else
		*p = t;
}

/* |name(str)|argc(int)|darray(intarray)|args| */

V loadpfins(s)
FILE *s;
{
	char *name;
	FUNC fp;
	int argc,i;
	V v;
	int *darray;
	Obj *args;
	PF pf;
	char *buf;
	V *a;
	P u;

	loadstr(s,&name);
	read_int(s,&argc);
	searchpf(name,&fp);
	if ( fp ) {
		pf = fp->f.puref;
		if ( pf->argc != argc )
			error("loadpfins : argument mismatch");
	} else {
		a = (V *)MALLOC(argc*sizeof(V));
		buf = (char *)ALLOCA(BUFSIZ);
		for ( i = 0; i < argc; i++ ) {
			sprintf(buf,"_%c",'a'+i);
			makevar(buf,&u); a[i] = VR(u);
		}
		mkpf(name,0,argc,a,0,0,0,&pf);
	}
	darray = (int *)ALLOCA(argc*sizeof(int));
	args = (Obj *)ALLOCA(argc*sizeof(int));
	read_intarray(s,darray,argc);
	for ( i = 0; i < argc; i++ )
		loadobj(s,&args[i]);
	_mkpfins_with_darray(pf,args,darray,&v);
	return v;
}

void loadr(s,p)
FILE *s;
R *p;
{
	R r;

	NEWR(r); read_short(s,&r->reduced);
	loadobj(s,(Obj *)&NM(r)); loadobj(s,(Obj *)&DN(r)); *p = r;
}

void loadlist(s,p)
FILE *s;
LIST *p;
{
	int n;
	NODE tn,tn0;

	read_int(s,&n);
	for ( tn0 = 0; n; n-- ) {
		NEXTNODE(tn0,tn); loadobj(s,(Obj *)&BDY(tn));
	}
	if ( tn0 )
		NEXT(tn) = 0;
	MKLIST(*p,tn0);
}

void loadvect(s,p)
FILE *s;
VECT *p;
{
	int i,len;
	VECT vect;

	read_int(s,&len); MKVECT(vect,len);
	for ( i = 0; i < len; i++ )
		loadobj(s,(Obj *)&BDY(vect)[i]);
	*p = vect;
}

void loadmat(s,p)
FILE *s;
MAT *p;
{
	int row,col,i,j;
	MAT mat;

	read_int(s,&row); read_int(s,&col); MKMAT(mat,row,col);
	for ( i = 0; i < row; i++ )
		for ( j = 0; j < col; j++ )
			loadobj(s,(Obj *)&BDY(mat)[i][j]);
	*p = mat;
}

void loadstring(s,p)
FILE *s;
STRING *p;
{
	char *t;

	loadstr(s,&t); MKSTR(*p,t);
}

void loadstr(s,p)
FILE *s;
char **p;
{
	int len;
	char *t;

	read_int(s,&len);
	if ( len ) {
		t = (char *)MALLOC(len+1); read_string(s,t,len); t[len] = 0;
	} else
		t = "";
	*p = t;
}

void loaddp(s,p)
FILE *s;
DP *p;
{
	int nv,n,i,sugar;
	DP dp;
	MP m,m0;
	DL dl;

	read_int(s,&nv); read_int(s,&sugar); read_int(s,&n);
	for ( i = 0, m0 = 0; i < n; i++ ) {
		NEXTMP(m0,m);
		loadobj(s,(Obj *)&(m->c));
		NEWDL(dl,nv); m->dl = dl;
		read_int(s,&dl->td); read_intarray(s,&(dl->d[0]),nv);
	}
	NEXT(m) = 0; MKDP(nv,m0,dp); dp->sugar = sugar; *p = dp;
}

void loadui(s,u)
FILE *s;
USINT *u;
{
	unsigned int b;

	read_int(s,&b); MKUSINT(*u,b);
}

void loaderror(s,e)
FILE *s;
ERR *e;
{
	Obj b;

	loadobj(s,&b); MKERR(*e,b);
}


void loadgfmmat(s,p) 
FILE *s;
GFMMAT *p;
{
	int i,j,row,col;
	unsigned int **a;
	GFMMAT mat;

	read_int(s,&row); read_int(s,&col);
	a = (unsigned int **)almat(row,col);
	TOGFMMAT(row,col,a,mat);
	for ( i = 0; i < row; i++ )
		read_intarray(s,a[i],col);
	*p = mat;
}