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Annotation of OpenXM_contrib2/asir2000/builtin/reduct.c, Revision 1.4

1.2       noro        1: /*
                      2:  * Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED
                      3:  * All rights reserved.
                      4:  *
                      5:  * FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited,
                      6:  * non-exclusive and royalty-free license to use, copy, modify and
                      7:  * redistribute, solely for non-commercial and non-profit purposes, the
                      8:  * computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and
                      9:  * conditions of this Agreement. For the avoidance of doubt, you acquire
                     10:  * only a limited right to use the SOFTWARE hereunder, and FLL or any
                     11:  * third party developer retains all rights, including but not limited to
                     12:  * copyrights, in and to the SOFTWARE.
                     13:  *
                     14:  * (1) FLL does not grant you a license in any way for commercial
                     15:  * purposes. You may use the SOFTWARE only for non-commercial and
                     16:  * non-profit purposes only, such as academic, research and internal
                     17:  * business use.
                     18:  * (2) The SOFTWARE is protected by the Copyright Law of Japan and
                     19:  * international copyright treaties. If you make copies of the SOFTWARE,
                     20:  * with or without modification, as permitted hereunder, you shall affix
                     21:  * to all such copies of the SOFTWARE the above copyright notice.
                     22:  * (3) An explicit reference to this SOFTWARE and its copyright owner
                     23:  * shall be made on your publication or presentation in any form of the
                     24:  * results obtained by use of the SOFTWARE.
                     25:  * (4) In the event that you modify the SOFTWARE, you shall notify FLL by
1.3       noro       26:  * e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
1.2       noro       27:  * for such modification or the source code of the modified part of the
                     28:  * SOFTWARE.
                     29:  *
                     30:  * THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL
                     31:  * MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND
                     32:  * EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS
                     33:  * FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES'
                     34:  * RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY
                     35:  * MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY.
                     36:  * UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT,
                     37:  * OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY
                     38:  * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL
                     39:  * DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES
                     40:  * ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES
                     41:  * FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY
                     42:  * DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF
                     43:  * SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART
                     44:  * OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY
                     45:  * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
                     46:  * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
                     47:  *
1.4     ! noro       48:  * $OpenXM: OpenXM_contrib2/asir2000/builtin/reduct.c,v 1.3 2000/08/22 05:03:59 noro Exp $
1.2       noro       49: */
1.1       noro       50: #include "ca.h"
                     51: #include "parse.h"
                     52:
                     53: void Pred(), Predc(), Pprim();
                     54:
                     55: struct ftab reduct_tab[] = {
                     56:        {"red",Pred,1},
                     57:        {"redc",Predc,2},
                     58:        {"prim",Pprim,-2},
                     59:        {0,0,0},
                     60: };
                     61:
1.4     ! noro       62: void Pred(NODE arg,Obj *rp)
1.1       noro       63: {
1.4     ! noro       64:        Obj a,b,t;
        !            65:        LIST l;
        !            66:        V v;
        !            67:        int row,col,len;
        !            68:        VECT vect;
        !            69:        MAT mat;
        !            70:        int i,j;
        !            71:        NODE n0,n,nd;
        !            72:        struct oNODE arg0;
        !            73:        MP m,mp,mp0;
        !            74:        DP d;
        !            75:
        !            76:        a = (Obj)ARG0(arg);
        !            77:        if ( !a ) {
        !            78:                *rp = 0;
        !            79:                return;
        !            80:        }
        !            81:        switch ( OID(a) ) {
        !            82:                case O_N: case O_P: case O_R:
        !            83:                        reductr(CO,(Obj)ARG0(arg),rp);
        !            84:                        break;
        !            85:                case O_LIST:
        !            86:                        n0 = 0;
        !            87:                        for ( nd = BDY((LIST)a); nd; nd = NEXT(nd) ) {
        !            88:                                NEXTNODE(n0,n);
        !            89:                                arg0.body = (pointer)BDY(nd);
        !            90:                                arg0.next = 0;
        !            91:                                Pred(&arg0,&b);
        !            92:                                BDY(n) = (pointer)b;
        !            93:                        }
        !            94:                        if ( n0 )
        !            95:                                NEXT(n) = 0;
        !            96:                        MKLIST(l,n0);
        !            97:                        *rp = (Obj)l;
        !            98:                        break;
        !            99:                case O_VECT:
        !           100:                        len = ((VECT)a)->len;
        !           101:                        MKVECT(vect,len);
        !           102:                        for ( i = 0; i < len; i++ ) {
        !           103:                                arg0.body = (pointer)BDY((VECT)a)[i];
        !           104:                                arg0.next = 0;
        !           105:                                Pred(&arg0,&b);
        !           106:                                BDY(vect)[i] = (pointer)b;
        !           107:                        }
        !           108:                        *rp = (Obj)vect;
        !           109:                        break;
        !           110:                case O_MAT:
        !           111:                        row = ((MAT)a)->row;
        !           112:                        col = ((MAT)a)->col;
        !           113:                        MKMAT(mat,row,col);
        !           114:                        for ( i = 0; i < row; i++ )
        !           115:                                for ( j = 0; j < col; j++ ) {
        !           116:                                        arg0.body = (pointer)BDY((MAT)a)[i][j];
        !           117:                                        arg0.next = 0;
        !           118:                                        Pred(&arg0,&b);
        !           119:                                        BDY(mat)[i][j] = (pointer)b;
        !           120:                                }
        !           121:                        *rp = (Obj)mat;
        !           122:                        break;
        !           123:                case O_DP:
        !           124:                        mp0 = 0;
        !           125:                        for ( m = BDY((DP)a); m; m = NEXT(m) ) {
        !           126:                                arg0.body = (pointer)C(m);
        !           127:                                arg0.next = 0;
        !           128:                                Pred(&arg0,&b);
        !           129:                                if ( b ) {
        !           130:                                        NEXTMP(mp0,mp);
        !           131:                                        C(mp) = b;
        !           132:                                        mp->dl = m->dl;
        !           133:                                }
        !           134:                        }
        !           135:                        if ( mp0 ) {
        !           136:                                MKDP(NV((DP)a),mp0,d);
        !           137:                                d->sugar = ((DP)a)->sugar;
        !           138:                                *rp = (Obj)d;
        !           139:                        } else
        !           140:                                *rp = 0;
        !           141:
        !           142:                        break;
        !           143:                default:
        !           144:                        error("red : invalid argument");
        !           145:        }
1.1       noro      146: }
                    147:
1.4     ! noro      148: void Predc(NODE arg,P *rp)
1.1       noro      149: {
                    150:        asir_assert(ARG0(arg),O_P,"redc");
                    151:        asir_assert(ARG1(arg),O_P,"redc");
                    152:        remsdcp(CO,(P)ARG0(arg),(P)ARG1(arg),rp);
                    153: }
                    154:
1.4     ! noro      155: void Pprim(NODE arg,P *rp)
1.1       noro      156: {
                    157:        P t,p,p1,r;
                    158:        V v;
                    159:        VL vl;
                    160:
                    161:        asir_assert(ARG0(arg),O_P,"prim");
                    162:        p = (P)ARG0(arg);
                    163:        if ( NUM(p) )
                    164:                *rp = (P)ONE;
                    165:        else {
                    166:                if ( argc(arg) == 2 ) {
                    167:                        v = VR((P)ARG1(arg));
                    168:                        change_mvar(CO,p,v,&p1);
                    169:                        if ( VR(p1) != v ) {
                    170:                                *rp = (P)ONE; return;
                    171:                        } else {
                    172:                                reordvar(CO,v,&vl); pcp(vl,p1,&r,&t);
                    173:                                restore_mvar(CO,r,v,rp);
                    174:                        }
                    175:                } else
                    176:                        pcp(CO,p,rp,&t);
                    177:        }
                    178: }

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