===================================================================
RCS file: /home/cvs/OpenXM_contrib2/asir2000/builtin/pf.c,v
retrieving revision 1.1.1.1
retrieving revision 1.8
diff -u -p -r1.1.1.1 -r1.8
--- OpenXM_contrib2/asir2000/builtin/pf.c	1999/12/03 07:39:07	1.1.1.1
+++ OpenXM_contrib2/asir2000/builtin/pf.c	2004/06/27 03:15:57	1.8
@@ -1,4 +1,52 @@
-/* $OpenXM: OpenXM/src/asir99/builtin/pf.c,v 1.1.1.1 1999/11/10 08:12:26 noro Exp $ */
+/*
+ * Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED 
+ * All rights reserved.
+ * 
+ * FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited,
+ * non-exclusive and royalty-free license to use, copy, modify and
+ * redistribute, solely for non-commercial and non-profit purposes, the
+ * computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and
+ * conditions of this Agreement. For the avoidance of doubt, you acquire
+ * only a limited right to use the SOFTWARE hereunder, and FLL or any
+ * third party developer retains all rights, including but not limited to
+ * copyrights, in and to the SOFTWARE.
+ * 
+ * (1) FLL does not grant you a license in any way for commercial
+ * purposes. You may use the SOFTWARE only for non-commercial and
+ * non-profit purposes only, such as academic, research and internal
+ * business use.
+ * (2) The SOFTWARE is protected by the Copyright Law of Japan and
+ * international copyright treaties. If you make copies of the SOFTWARE,
+ * with or without modification, as permitted hereunder, you shall affix
+ * to all such copies of the SOFTWARE the above copyright notice.
+ * (3) An explicit reference to this SOFTWARE and its copyright owner
+ * shall be made on your publication or presentation in any form of the
+ * results obtained by use of the SOFTWARE.
+ * (4) In the event that you modify the SOFTWARE, you shall notify FLL by
+ * e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
+ * for such modification or the source code of the modified part of the
+ * SOFTWARE.
+ * 
+ * THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL
+ * MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND
+ * EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES'
+ * RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY
+ * MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY.
+ * UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT,
+ * OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL
+ * DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES
+ * ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES
+ * FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY
+ * DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF
+ * SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART
+ * OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY
+ * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
+ * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
+ *
+ * $OpenXM: OpenXM_contrib2/asir2000/builtin/pf.c,v 1.7 2004/06/22 09:17:21 noro Exp $ 
+*/
 #include "ca.h"
 #include "math.h"
 #include "parse.h"
@@ -17,8 +65,11 @@ void simplify_pow(PFINS,Obj *);
 
 void Pfunctor(),Pargs(),Pfunargs(),Pvtype(),Pcall(),Pdeval();
 void Pregister_handler();
+void Peval_quote();
+void Pmapat();
 
 struct ftab puref_tab[] = {
+	{"mapat",Pmapat,-99999999},
 	{"functor",Pfunctor,1},
 	{"args",Pargs,1},
 	{"funargs",Pfunargs,1},
@@ -26,10 +77,11 @@ struct ftab puref_tab[] = {
 	{"call",Pcall,2},
 	{"vtype",Pvtype,1},
 	{"deval",Pdeval,1},
+	{"eval_quote",Peval_quote,1},
 	{0,0,0},
 };
 
-#if PARI
+#if defined(PARI)
 int p_pi(),p_e();
 int p_log(),p_exp(),p_pow();
 int p_sin(),p_cos(),p_tan(),p_asin(),p_acos(),p_atan();
@@ -232,9 +284,15 @@ Obj *rp;
 	pf = ins->pf; ad = ins->ad; a0 = ad[0].arg; a1 = ad[1].arg;	
 	if ( !a1 )
 		*rp = (Obj)ONE;
-	else if ( !a0 )
-		*rp = 0;
-	else if ( NUM(a1) && INT(a1) )
+	else if ( !a0 ) {
+		if ( RATN(a1) && SGN((Q)a1)>0 )
+			*rp = 0;
+		else if ( RATN(a1) && SGN((Q)a1) < 0 )
+			error("simplify_pow : division by 0");
+		else {
+			instov(ins,&v); MKV(v,t); *rp = (Obj)t;
+		}
+	} else if ( NUM(a1) && INT(a1) )
 		arf_pwr(CO,a0,a1,rp);
 	else {
 		instov(ins,&v); MKV(v,t); *rp = (Obj)t;
@@ -260,7 +318,7 @@ P *rp;
 	else {
 		ins = (PFINS)VR(p)->priv; pf = ins->pf;
 		t = (FUNC)MALLOC(sizeof(struct oFUNC));
-		t->name = pf->name; t->id = A_PURE; t->argc = pf->argc;
+		t->name = t->fullname = pf->name; t->id = A_PURE; t->argc = pf->argc;
 		t->f.puref = pf;
 		makesrvar(t,rp);
 	}
@@ -310,10 +368,10 @@ LIST *rp;
 	else {
 		ins = (PFINS)VR(p)->priv; ad = ins->ad; pf = ins->pf;
 		t = (FUNC)MALLOC(sizeof(struct oFUNC));
-		t->name = pf->name; t->id = A_PURE; t->argc = pf->argc;
+		t->name = t->fullname = pf->name; t->id = A_PURE; t->argc = pf->argc;
 		t->f.puref = pf;
 		makesrvar(t,&f);
-		n0 = 0; NEXTNODE(n0,n); BDY(n) = (pointer)f;
+		n = n0 = 0; NEXTNODE(n0,n); BDY(n) = (pointer)f;
 		for ( i = 0; i < pf->argc; i++ ) {
 			NEXTNODE(n0,n); BDY(n) = (pointer)ad[i].arg;
 		}
@@ -364,9 +422,7 @@ Q *rp;
 	}
 }
 
-void Pcall(arg,rp)
-NODE arg;
-Obj *rp;
+void Pcall(NODE arg,Obj *rp)
 {
 	P p;
 	V v;
@@ -382,6 +438,84 @@ Obj *rp;
 		*rp = (Obj)bevalf((FUNC)v->priv,BDY((LIST)ARG1(arg)));
 }
 
+/* at=position of arg to be used for iteration */
+
+void Pmapat(NODE arg,Obj *rp)
+{
+	LIST args;
+	NODE node,rest,t0,t,n,r,r0;
+	P fpoly;
+	V fvar;
+	FUNC f;
+	VECT v,rv;
+	MAT m,rm;
+	LIST rl;
+	int len,row,col,i,j,pos;
+	Obj iter;
+	pointer val;
+
+	if ( argc(arg) < 3 )
+		error("mapat : too few arguments");
+
+	fpoly = (P)ARG0(arg);
+	if ( !fpoly || OID(fpoly) != O_P )
+		error("mapat : invalid function specification");
+	fvar = VR(fpoly);
+	if ( fvar->attr != (pointer)V_SR || !(f=(FUNC)fvar->priv) )
+		error("mapat : invalid function specification");
+	if ( !INT(ARG1(arg)) )
+		error("mapat : invalid position");
+	pos = QTOS((Q)ARG1(arg));
+	node = NEXT(NEXT(arg));
+	len = length(node);
+	if ( pos >= len )
+		error("evalmapatf : invalid position");
+	r0 = 0;
+	for ( i = 0, t = node; i < pos; i++, t = NEXT(t) ) {
+		NEXTNODE(r0,r);
+		BDY(r) = BDY(t);
+	}
+	NEXTNODE(r0,r);
+	iter = BDY(t); rest = NEXT(t);
+	if ( !iter ) {
+		*rp = bevalf(f,node);
+		return;
+	}
+	switch ( OID(iter) ) {
+		case O_VECT:
+			v = (VECT)iter; len = v->len; MKVECT(rv,len);
+			for ( i = 0; i < len; i++ ) {
+				BDY(r) = BDY(v)[i]; NEXT(r) = rest;
+				BDY(rv)[i] = bevalf(f,r0);
+			}
+			*rp = (Obj)rv;
+			break;
+		case O_MAT:
+			m = (MAT)iter; row = m->row; col = m->col; MKMAT(rm,row,col);
+			for ( i = 0; i < row; i++ )
+				for ( j = 0; j < col; j++ ) {
+					BDY(r) = BDY(m)[i][j]; NEXT(r) = rest;
+					BDY(rm)[i][j] = bevalf(f,r0);
+				}
+			*rp = (Obj)rm;
+			break;
+		case O_LIST:
+			n = BDY((LIST)iter);
+			for ( t0 = t = 0; n; n = NEXT(n) ) {
+				BDY(r) = BDY(n); NEXT(r) = rest;
+				NEXTNODE(t0,t); BDY(t) = bevalf(f,r0);
+			}
+			if ( t0 )
+				NEXT(t) = 0;
+			MKLIST(rl,t0);
+			*rp = (Obj)rl;
+			break;
+		default:
+			*rp = bevalf(f,node);
+			break;
+	}
+}
+
 void Pdeval(arg,rp)
 NODE arg;
 Obj *rp;
@@ -390,3 +524,10 @@ Obj *rp;
 	devalr(CO,(Obj)ARG0(arg),rp);
 }
 
+void Peval_quote(arg,rp)
+NODE arg;
+Obj *rp;
+{
+	asir_assert(ARG0(arg),O_QUOTE,"eval_quote");
+	*rp = eval((FNODE)BDY((QUOTE)ARG0(arg)));
+}