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Annotation of OpenXM_contrib2/asir2018/engine/mat.c, Revision 1.1

1.1     ! 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
        !            26:  * e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
        !            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:  *
        !            48:  * $OpenXM$
        !            49: */
        !            50: #include "ca.h"
        !            51: #include "../parse/parse.h"
        !            52:
        !            53: extern int StrassenSize;
        !            54: /* remove miser type
        !            55: void mulmatmat_miser();
        !            56: */
        !            57:
        !            58: void addmat(vl,a,b,c)
        !            59: VL vl;
        !            60: MAT a,b,*c;
        !            61: {
        !            62:   int row,col,i,j;
        !            63:   MAT t;
        !            64:   pointer *ab,*bb,*tb;
        !            65:
        !            66:   if ( !a )
        !            67:     *c = b;
        !            68:   else if ( !b )
        !            69:     *c = a;
        !            70:   else if ( (a->row != b->row) || (a->col != b->col) ) {
        !            71:     *c = 0; error("addmat : size mismatch add");
        !            72:   } else {
        !            73:     row = a->row; col = a->col;
        !            74:     MKMAT(t,row,col);
        !            75:     for ( i = 0; i < row; i++ )
        !            76:       for ( j = 0, ab = BDY(a)[i], bb = BDY(b)[i], tb = BDY(t)[i];
        !            77:         j < col; j++ )
        !            78:         arf_add(vl,(Obj)ab[j],(Obj)bb[j],(Obj *)&tb[j]);
        !            79:     *c = t;
        !            80:   }
        !            81: }
        !            82:
        !            83: void submat(vl,a,b,c)
        !            84: VL vl;
        !            85: MAT a,b,*c;
        !            86: {
        !            87:   int row,col,i,j;
        !            88:   MAT t;
        !            89:   pointer *ab,*bb,*tb;
        !            90:
        !            91:   if ( !a )
        !            92:     chsgnmat(b,c);
        !            93:   else if ( !b )
        !            94:     *c = a;
        !            95:   else if ( (a->row != b->row) || (a->col != b->col) ) {
        !            96:     *c = 0; error("submat : size mismatch sub");
        !            97:   } else {
        !            98:     row = a->row; col = a->col;
        !            99:     MKMAT(t,row,col);
        !           100:     for ( i = 0; i < row; i++ )
        !           101:       for ( j = 0, ab = BDY(a)[i], bb = BDY(b)[i], tb = BDY(t)[i];
        !           102:         j < col; j++ )
        !           103:         arf_sub(vl,(Obj)ab[j],(Obj)bb[j],(Obj *)&tb[j]);
        !           104:     *c = t;
        !           105:   }
        !           106: }
        !           107:
        !           108: /* remove miser type
        !           109: void addmat_miser(vl,a,b,c,ar0,ac0,ar1,ac1,br0,bc0,br1,bc1)
        !           110: VL vl;
        !           111: MAT a,b,*c;
        !           112: int ar0,ac0,ar1,ac1,br0,bc0,br1,bc1;
        !           113: {
        !           114:   int row,col,i,j;
        !           115:   MAT t;
        !           116:   pointer *ab,*bb,*tb;
        !           117:   row = ar1 - ar0 + 1; col = ac1 - ac0 + 1;
        !           118:
        !           119:   if ( !a )
        !           120:     *c = b;
        !           121:   else if ( !b )
        !           122:     *c = a;
        !           123:   else if ( (row != br1 - br0 + 1) || (col != bc1 - bc0 + 1) ) {
        !           124:     *c = 0; error("addmat : size mismatch add");
        !           125:   } else {
        !           126:     MKMAT(t,row,col);
        !           127:     for ( i = 0; i < row; i++ ) {
        !           128:       if (i+ar0 > a->row-1) {
        !           129:         ab = NULL;
        !           130:       } else {
        !           131:         ab = BDY(a)[i+ar0];
        !           132:       }
        !           133:       if (i+br0 > b->row-1) {
        !           134:         bb = NULL;
        !           135:       } else {
        !           136:         bb = BDY(b)[i+br0];
        !           137:       }
        !           138:       tb = BDY(t)[i];
        !           139:       for ( j =0; j < col; j++ ) {
        !           140:         if ((ab == NULL || j+ac0 > a->col-1) && (bb == NULL || j+bc0 > b->col-1)) {
        !           141:           arf_add(vl,NULL,NULL,(Obj *)&tb[j]);
        !           142:         } else if ((ab != NULL && j+ac0 <= a->col-1) && (bb == NULL || j+bc0 > b->col-1)){
        !           143:           arf_add(vl,(Obj)ab[j+ac0],NULL,(Obj *)&tb[j]);
        !           144:         } else if ((ab == NULL || j+ac0 > a->col-1) && (bb != NULL && j+bc0 <= b->col-1)) {
        !           145:           arf_add(vl,NULL, (Obj)bb[j+bc0],(Obj *)&tb[j]);
        !           146:         } else {
        !           147:           arf_add(vl,(Obj)ab[j+ac0],(Obj)bb[j+bc0],(Obj *)&tb[j]);
        !           148:         }
        !           149:
        !           150:       }
        !           151:     }
        !           152:     *c = t;
        !           153:   }
        !           154: }
        !           155:
        !           156: void submat_miser(vl,a,b,c,ar0,ac0,ar1,ac1,br0,bc0,br1,bc1)
        !           157: VL vl;
        !           158: MAT a,b,*c;
        !           159: int ar0,ac0,ar1,ac1,br0,bc0,br1,bc1;
        !           160: {
        !           161:   int row,col,i,j;
        !           162:   MAT t;
        !           163:   pointer *ab,*bb,*tb;
        !           164:
        !           165:   row = ar1 - ar0 + 1; col = ac1 - ac0 + 1;
        !           166:
        !           167:   if ( !a )
        !           168:     chsgnmat(b,c);
        !           169:   else if ( !b )
        !           170:     *c = a;
        !           171:   else if ( (row != br1 - br0 + 1) || (col != bc1 - bc0 + 1) ) {
        !           172:     *c = 0; error("submat : size mismatch sub");
        !           173:   } else {
        !           174:     MKMAT(t,row,col);
        !           175:     for ( i = 0; i < row; i++ ) {
        !           176:       if (i+ar0 > a->row-1) {
        !           177:         ab = NULL;
        !           178:       } else {
        !           179:         ab = BDY(a)[i+ar0];
        !           180:       }
        !           181:       if (i+br0 > b->row-1) {
        !           182:         bb = NULL;
        !           183:       } else {
        !           184:         bb = BDY(b)[i+br0];
        !           185:       }
        !           186:       tb = BDY(t)[i];
        !           187:       for ( j =0; j < col; j++ ) {
        !           188:         if ((ab == NULL || j+ac0 > a->col-1) && (bb == NULL || j+bc0 > b->col-1)) {
        !           189:           arf_sub(vl,NULL,NULL,(Obj *)&tb[j]);
        !           190:         } else if ((ab != NULL && j+ac0 <= a->col-1) && (bb == NULL || j+bc0 > b->col-1)){
        !           191:           arf_sub(vl,(Obj)ab[j+ac0],NULL,(Obj *)&tb[j]);
        !           192:         } else if ((ab == NULL || j+ac0 > a->col-1) && (bb != NULL && j+bc0 <= b->col-1)) {
        !           193:           arf_sub(vl,NULL, (Obj)bb[j+bc0],(Obj *)&tb[j]);
        !           194:         } else {
        !           195:           arf_sub(vl,(Obj)ab[j+ac0],(Obj)bb[j+bc0],(Obj *)&tb[j]);
        !           196:         }
        !           197:
        !           198:       }
        !           199:     }
        !           200:     *c = t;
        !           201:   }
        !           202: }
        !           203: */
        !           204:
        !           205: void mulmat(vl,a,b,c)
        !           206: VL vl;
        !           207: Obj a,b,*c;
        !           208: {
        !           209:   VECT vect;
        !           210:   MAT mat;
        !           211:
        !           212:   if ( !a && !b )
        !           213:     *c = 0;
        !           214:   else if ( !a || !b ) {
        !           215:     if ( !a )
        !           216:       a = b;
        !           217:     switch ( OID(a) ) {
        !           218:       case O_VECT:
        !           219:         MKVECT(vect,((VECT)a)->len);
        !           220:         *c = (Obj)vect;
        !           221:         break;
        !           222:       case O_MAT:
        !           223:         MKMAT(mat,((MAT)a)->row,((MAT)a)->col);
        !           224:         *c = (Obj)mat;
        !           225:         break;
        !           226:       default:
        !           227:         *c = 0;
        !           228:         break;
        !           229:     }
        !           230:   } else if ( OID(a) <= O_R || OID(a) == O_DP )
        !           231:     mulrmat(vl,(Obj)a,(MAT)b,(MAT *)c);
        !           232:   else if ( OID(b) <= O_R || OID(b) == O_DP )
        !           233:     mulrmat(vl,(Obj)b,(MAT)a,(MAT *)c);
        !           234:   else
        !           235:     switch ( OID(a) ) {
        !           236:       case O_VECT:
        !           237:         switch ( OID(b) ) {
        !           238:           case O_MAT:
        !           239:             mulvectmat(vl,(VECT)a,(MAT)b,(VECT *)c); break;
        !           240:           case O_VECT: default:
        !           241:             notdef(vl,a,b,c); break;
        !           242:         }
        !           243:         break;
        !           244:       case O_MAT:
        !           245:         switch ( OID(b) ) {
        !           246:           case O_VECT:
        !           247:             mulmatvect(vl,(MAT)a,(VECT)b,(VECT *)c); break;
        !           248:           case O_MAT:
        !           249:             mulmatmat(vl, (MAT)a, (MAT)b, (MAT *)c); break;
        !           250: /* remove miser type
        !           251:             mulmatmat_miser(vl,(MAT)a,(MAT)b,(MAT *)c, 0,0, ((MAT)a)->row-1, ((MAT)a)->col-1, 0,0,((MAT)b)->row-1, ((MAT)b)->col-1); break;
        !           252: */
        !           253:           default:
        !           254:             notdef(vl,a,b,c); break;
        !           255:         }
        !           256:         break;
        !           257:       default:
        !           258:         notdef(vl,a,b,c); break;
        !           259:     }
        !           260: }
        !           261:
        !           262: void divmat(vl,a,b,c)
        !           263: VL vl;
        !           264: Obj a,b,*c;
        !           265: {
        !           266:   Obj t;
        !           267:
        !           268:   if ( !b )
        !           269:     error("divmat : division by 0");
        !           270:   else if ( !a )
        !           271:     *c = 0;
        !           272:   else if ( OID(b) > O_R )
        !           273:     notdef(vl,a,b,c);
        !           274:   else {
        !           275:     arf_div(vl,(Obj)ONE,b,&t); mulrmat(vl,t,(MAT)a,(MAT *)c);
        !           276:   }
        !           277: }
        !           278:
        !           279: void chsgnmat(a,b)
        !           280: MAT a,*b;
        !           281: {
        !           282:   MAT t;
        !           283:   int row,col,i,j;
        !           284:   pointer *ab,*tb;
        !           285:
        !           286:   if ( !a )
        !           287:     *b = 0;
        !           288:   else {
        !           289:     row = a->row; col = a->col;
        !           290:     MKMAT(t,row,col);
        !           291:     for ( i = 0; i < row; i++ )
        !           292:       for ( j = 0, ab = BDY(a)[i], tb = BDY(t)[i];
        !           293:         j < col; j++ )
        !           294:         arf_chsgn((Obj)ab[j],(Obj *)&tb[j]);
        !           295:     *b = t;
        !           296:   }
        !           297: }
        !           298:
        !           299: void pwrmat(vl,a,r,c)
        !           300: VL vl;
        !           301: MAT a;
        !           302: Obj r;
        !           303: MAT *c;
        !           304: {
        !           305:   int n,i;
        !           306:   MAT t;
        !           307:
        !           308:   if ( !a )
        !           309:     *c = 0;
        !           310:   else if ( !r ) {
        !           311:     if ( a->row != a->col ) {
        !           312:       *c = 0; error("pwrmat : non square matrix");
        !           313:     } else {
        !           314:       n = a->row;
        !           315:         MKMAT(t,n,n);
        !           316:       for ( i = 0; i < n; i++ )
        !           317:         t->body[i][i] = ONE;
        !           318:       *c = t;
        !           319:     }
        !           320:   } else if ( !NUM(r) || !RATN(r) ||
        !           321:     !INT(r) || (sgnq((Q)r)<0) || !smallz((Z)r) ) {
        !           322:     *c = 0; error("pwrmat : invalid exponent");
        !           323:   } else if ( a->row != a->col ) {
        !           324:     *c = 0; error("pwrmat : non square matrix");
        !           325:   }  else
        !           326:     pwrmatmain(vl,a,QTOS((Q)r),c);
        !           327: }
        !           328:
        !           329: void pwrmatmain(vl,a,e,c)
        !           330: VL vl;
        !           331: MAT a;
        !           332: int e;
        !           333: MAT *c;
        !           334: {
        !           335:   MAT t,s;
        !           336:
        !           337:   if ( e == 1 ) {
        !           338:     *c = a;
        !           339:     return;
        !           340:   }
        !           341:
        !           342:   pwrmatmain(vl,a,e/2,&t);
        !           343:   mulmat(vl,(Obj)t,(Obj)t,(Obj *)&s);
        !           344:   if ( e % 2 )
        !           345:     mulmat(vl,(Obj)s,(Obj)a,(Obj *)c);
        !           346:   else
        !           347:     *c = s;
        !           348: }
        !           349:
        !           350: void mulrmat(vl,a,b,c)
        !           351: VL vl;
        !           352: Obj a;
        !           353: MAT b,*c;
        !           354: {
        !           355:   int row,col,i,j;
        !           356:   MAT t;
        !           357:   pointer *bb,*tb;
        !           358:
        !           359:   if ( !a || !b )
        !           360:     *c = 0;
        !           361:   else {
        !           362:     row = b->row; col = b->col;
        !           363:     MKMAT(t,row,col);
        !           364:     for ( i = 0; i < row; i++ )
        !           365:       for ( j = 0, bb = BDY(b)[i], tb = BDY(t)[i];
        !           366:         j < col; j++ )
        !           367:         arf_mul(vl,(Obj)a,(Obj)bb[j],(Obj *)&tb[j]);
        !           368:     *c = t;
        !           369:   }
        !           370: }
        !           371:
        !           372: void mulmatmat(vl,a,b,c)
        !           373: VL vl;
        !           374: MAT a,b,*c;
        !           375: {
        !           376:   int arow,bcol,i,j,k,m, h, arowh, bcolh;
        !           377:   MAT t, a11, a12, a21, a22;
        !           378:   MAT p, b11, b12, b21, b22;
        !           379:   MAT ans1, ans2, ans3, c11, c12, c21, c22;
        !           380:   MAT s1, s2, t1, t2, u1, v1, w1, aa, bb;
        !           381:   pointer s,u,v;
        !           382:   pointer *ab,*tb;
        !           383:   int a1row,a2row, a3row,a4row, a1col, a2col, a3col, a4col;
        !           384:   int b1row,b2row, b3row,b4row, b1col, b2col, b3col, b4col;
        !           385:   int pflag1, pflag2, pflag3;
        !           386:   /* mismach col and row */
        !           387:   if ( a->col != b->row ) {
        !           388:     *c = 0; error("mulmat : size mismatch");
        !           389:   }
        !           390:   else {
        !           391:     pflag1 = 0; pflag2 = 0; pflag3 = 0;
        !           392:     arow = a->row; m = a->col; bcol = b->col;
        !           393:     MKMAT(t,arow,bcol);
        !           394:     /* StrassenSize == 0 or matrix size less then StrassenSize,
        !           395:     then calc cannonical algorithm. */
        !           396:     if((StrassenSize == 0)||(a->row<=StrassenSize || a->col <= StrassenSize) || (b->row<=StrassenSize || b->col <= StrassenSize)) {
        !           397:       for ( i = 0; i < arow; i++ )
        !           398:         for ( j = 0, ab = BDY(a)[i], tb = BDY(t)[i]; j < bcol; j++ ) {
        !           399:           for ( k = 0, s = 0; k < m; k++ ) {
        !           400:             arf_mul(vl,(Obj)ab[k],(Obj)BDY(b)[k][j],(Obj *)&u);
        !           401:             arf_add(vl,(Obj)s,(Obj)u,(Obj *)&v);
        !           402:             s = v;
        !           403:           }
        !           404:           tb[j] = s;
        !           405:         }
        !           406:     *c = t;
        !           407:     return;
        !           408:     }
        !           409:     /* padding odd col and row to even number for zero */
        !           410:     i = arow/2;
        !           411:     j = arow - i;
        !           412:     if (i != j) {
        !           413:       arow++;
        !           414:       pflag1 = 1;
        !           415:     }
        !           416:     i = m/2;
        !           417:     j = m - i;
        !           418:     if (i != j) {
        !           419:       m++;
        !           420:       pflag2 = 1;
        !           421:     }
        !           422:
        !           423:     i = bcol/2;
        !           424:     j = bcol - i;
        !           425:     if (i != j) {
        !           426:       bcol++;
        !           427:       pflag3 = 1;
        !           428:     }
        !           429:
        !           430:     /* split matrix A and B */
        !           431:     a1row = arow/2; a1col = m/2;
        !           432:     MKMAT(a11,a1row,a1col);
        !           433:     MKMAT(a21,a1row,a1col);
        !           434:     MKMAT(a12,a1row,a1col);
        !           435:     MKMAT(a22,a1row,a1col);
        !           436:
        !           437:     b1row = m/2; b1col = bcol/2;
        !           438:     MKMAT(b11,b1row,b1col);
        !           439:     MKMAT(b21,b1row,b1col);
        !           440:     MKMAT(b12,b1row,b1col);
        !           441:     MKMAT(b22,b1row,b1col);
        !           442:
        !           443:     /* make a11 matrix */
        !           444:     for (i = 0; i < a1row; i++) {
        !           445:       for (j = 0; j < a1col; j++) {
        !           446:         a11->body[i][j] = a->body[i][j];
        !           447:       }
        !           448:     }
        !           449:
        !           450:     /* make a21 matrix */
        !           451:     for (i = a1row; i < a->row; i++) {
        !           452:       for (j = 0; j < a1col; j++) {
        !           453:         a21->body[i-a1row][j] = a->body[i][j];
        !           454:       }
        !           455:     }
        !           456:
        !           457:     /* create a12 matrix */
        !           458:     for (i = 0; i < a1row; i++) {
        !           459:       for (j = a1col; j < a->col; j++) {
        !           460:         a12->body[i][j-a1col] = a->body[i][j];
        !           461:       }
        !           462:     }
        !           463:
        !           464:     /* create a22 matrix */
        !           465:     for (i = a1row; i < a->row; i++) {
        !           466:       for (j = a1col; j < a->col; j++) {
        !           467:         a22->body[i-a1row][j-a1col] = a->body[i][j];
        !           468:       }
        !           469:    }
        !           470:
        !           471:
        !           472:     /* create b11 submatrix */
        !           473:     for (i = 0; i < b1row; i++) {
        !           474:       for (j = 0; j < b1col; j++) {
        !           475:         b11->body[i][j] = b->body[i][j];
        !           476:       }
        !           477:     }
        !           478:
        !           479:     /* create b21 submatrix */
        !           480:     for (i = b1row; i < b->row; i++) {
        !           481:       for (j = 0; j < b1col; j++) {
        !           482:         b21->body[i-b1row][j] = b->body[i][j];
        !           483:       }
        !           484:     }
        !           485:
        !           486:     /* create b12 submatrix */
        !           487:     for (i = 0; i < b1row; i++) {
        !           488:       for (j = b1col; j < b->col; j++) {
        !           489:         b12->body[i][j-b1col] = b->body[i][j];
        !           490:       }
        !           491:     }
        !           492:
        !           493:     /* create b22 submatrix */
        !           494:     for (i = b1row; i < b->row; i++) {
        !           495:       for (j = b1col; j < b->col; j++) {
        !           496:         b22->body[i-b1row][j-b1col] = b->body[i][j];
        !           497:       }
        !           498:     }
        !           499:
        !           500:     /* extension by zero */
        !           501:     if (pflag1) {
        !           502:       for (j = 0; j < a1col; j++) {
        !           503:         a21->body[a1row-1][j] = 0; /* null */
        !           504:       }
        !           505:       for (j = a1col; j < a->col; j++) {
        !           506:         a22->body[a1row-1][j-a1col] = 0;
        !           507:       }
        !           508:     }
        !           509:     if (pflag2) {
        !           510:       for (i = 0; i < a1row; i++) {
        !           511:         a12->body[i][a1col-1] = 0;
        !           512:       }
        !           513:       for (i = a1row; i < a->row; i++) {
        !           514:         a22->body[i-a1row][a1col-1] = 0;
        !           515:       }
        !           516:       for (j = 0; j < b1col; j++) {
        !           517:         b21->body[b1row-1][j] = 0;
        !           518:       }
        !           519:       for (j = b1col; j < b->col; j++) {
        !           520:         b22->body[b1row-1][j-b1col] = 0;
        !           521:       }
        !           522:     }
        !           523:     if (pflag3) {
        !           524:       for (i = 0; i < b1row; i++) {
        !           525:         b12->body[i][b1col-1] = 0;
        !           526:       }
        !           527:       for (i = b1row; i < b->row; i++) {
        !           528:         b22->body[i-b1row][b1col-1] = 0;
        !           529:       }
        !           530:     }
        !           531:
        !           532:     /* expand matrix by Strassen-Winograd algorithm */
        !           533:     /* s1=A21+A22 */
        !           534:     addmat(vl,a21,a22,&s1);
        !           535:
        !           536:     /* s2=s1-A11 */
        !           537:     submat(vl,s1,a11,&s2);
        !           538:
        !           539:     /* t1=B12-B11 */
        !           540:     submat(vl, b12, b11, &t1);
        !           541:
        !           542:     /* t2=B22-t1 */
        !           543:     submat(vl, b22, t1, &t2);
        !           544:
        !           545:     /* u=(A11-A21)*(B22-B12) */
        !           546:     submat(vl, a11, a21, &ans1);
        !           547:     submat(vl, b22, b12, &ans2);
        !           548:     mulmatmat(vl, ans1, ans2, &u1);
        !           549:
        !           550:     /* v=s1*t1 */
        !           551:     mulmatmat(vl, s1, t1, &v1);
        !           552:
        !           553:     /* w=A11*B11+s2*t2 */
        !           554:     mulmatmat(vl, a11, b11, &ans1);
        !           555:     mulmatmat(vl, s2, t2, &ans2);
        !           556:     addmat(vl, ans1, ans2, &w1);
        !           557:
        !           558:     /* C11 = A11*B11+A12*B21 */
        !           559:     mulmatmat(vl, a12, b21, &ans2);
        !           560:     addmat(vl, ans1, ans2, &c11);
        !           561:
        !           562:     /* C12 = w1+v1+(A12-s2)*B22 */
        !           563:     submat(vl, a12, s2, &ans1);
        !           564:     mulmatmat(vl, ans1, b22, &ans2);
        !           565:     addmat(vl, w1, v1, &ans1);
        !           566:     addmat(vl, ans1, ans2, &c12);
        !           567:
        !           568:     /* C21 = w1+u1+A22*(B21-t2) */
        !           569:     submat(vl, b21, t2, &ans1);
        !           570:     mulmatmat(vl, a22, ans1, &ans2);
        !           571:     addmat(vl, w1, u1, &ans1);
        !           572:     addmat(vl, ans1, ans2, &c21);
        !           573:
        !           574:     /* C22 = w1 + u1 + v1 */
        !           575:     addmat(vl, ans1, v1, &c22);
        !           576:   }
        !           577:
        !           578:   for(i =0; i<c11->row; i++) {
        !           579:     for ( j=0; j < c11->col; j++) {
        !           580:       t->body[i][j] = c11->body[i][j];
        !           581:     }
        !           582:   }
        !           583:   if (pflag1 == 0) {
        !           584:       k = c21->row;
        !           585:   } else {
        !           586:       k = c21->row - 1;
        !           587:   }
        !           588:   for(i =0; i<k; i++) {
        !           589:     for ( j=0; j < c21->col; j++) {
        !           590:       t->body[i+c11->row][j] = c21->body[i][j];
        !           591:     }
        !           592:   }
        !           593:   if (pflag2 == 0) {
        !           594:     h = c12->col;
        !           595:   } else {
        !           596:     h = c12->col -1;
        !           597:   }
        !           598:   for(i =0; i<c12->row; i++) {
        !           599:     for ( j=0; j < k; j++) {
        !           600:       t->body[i][j+c11->col] = c12->body[i][j];
        !           601:     }
        !           602:   }
        !           603:   if (pflag1 == 0) {
        !           604:     k = c22->row;
        !           605:   } else {
        !           606:     k = c22->row -1;
        !           607:   }
        !           608:   if (pflag2 == 0) {
        !           609:     h = c22->col;
        !           610:   } else {
        !           611:     h = c22->col - 1;
        !           612:   }
        !           613:   for(i =0; i<k; i++) {
        !           614:     for ( j=0; j < h; j++) {
        !           615:       t->body[i+c11->row][j+c11->col] = c22->body[i][j];
        !           616:     }
        !           617:   }
        !           618:   *c = t;
        !           619: }
        !           620:
        !           621: #if 0
        !           622: /* remove miser type */
        !           623: void mulmatmat_miser(vl,a,b,c,ar0,ac0,ar1,ac1,br0,bc0,br1,bc1)
        !           624: VL vl;
        !           625: MAT a,b,*c;
        !           626: int ar0, ac0, ar1, ac1, br0, bc0, br1, bc1;
        !           627: {
        !           628:   int arow,bcol,i,j,k,m, h;
        !           629:   MAT t, a11, a12, a21, a22;
        !           630:   MAT p, b11, b12, b21, b22;
        !           631:   MAT ans1, ans2, c11, c12, c21, c22;
        !           632:   MAT s1, s2, t1, t2, u1, v1, w1;
        !           633:   pointer s,u,v;
        !           634:   pointer *ab,*tb, *bb;
        !           635:   int a1row, a1col;
        !           636:   int b1row, b1col;
        !           637:   int pflag1, pflag2;
        !           638:
        !           639:   arow = ar1-ar0 + 1; m = ac1-ac0 + 1; bcol = bc1 - bc0 + 1;
        !           640:   /* mismach col and row */
        !           641:   if ( m != br1-br0 + 1 ) {
        !           642:     *c = 0; error("mulmat : size mismatch");
        !           643:   }
        !           644:   else {
        !           645:     pflag1 = 0; pflag2 = 0;
        !           646:     MKMAT(t,arow,bcol);
        !           647:     /* StrassenSize == 0 or matrix size less then StrassenSize,
        !           648:     then calc cannonical algorithm. */
        !           649:     if((StrassenSize == 0)||(arow<=StrassenSize || m <= StrassenSize) || (m<=StrassenSize || bcol <= StrassenSize)) {
        !           650:       for ( i = 0; i < arow; i++ ) {
        !           651:         if (i+ar0 > a->row-1) {
        !           652:           ab = NULL;
        !           653:         } else {
        !           654:           ab = BDY(a)[i+ar0];
        !           655:         }
        !           656:         tb = BDY(t)[i];
        !           657:         for ( j = 0; j < bcol; j++ ) {
        !           658:           for ( k = 0, s = 0; k < m; k++ ) {
        !           659:             if (k+br0 > b->row-1) {
        !           660:               bb = NULL;
        !           661:             } else {
        !           662:               bb = BDY(b)[k+br0];
        !           663:             }
        !           664:             if ((ab == NULL || k+ac0 > a->col-1) && (bb == NULL || j+bc0 > b->col-1)) {
        !           665:               arf_mul(vl,NULL,NULL,(Obj *)&u);
        !           666:             } else if ((ab != NULL && k+ac0 <= a->col-1) && (bb == NULL || j+bc0 > b->col-1)){
        !           667:               arf_mul(vl,(Obj)ab[k+ac0],NULL,(Obj *)&u);
        !           668:             } else if ((ab == NULL || k+ac0 > a->col-1) && (bb != NULL && j+bc0 <= b->col-1)) {
        !           669:               arf_mul(vl,NULL,(Obj)bb[j+bc0],(Obj *)&u);
        !           670:             } else {
        !           671:               arf_mul(vl,(Obj)ab[k+ac0],(Obj)bb[j+bc0],(Obj *)&u);
        !           672:             }
        !           673:             arf_add(vl,(Obj)s,(Obj)u,(Obj *)&v);
        !           674:             s = v;
        !           675:           }
        !           676:           tb[j] = s;
        !           677:         }
        !           678:       }
        !           679:     *c = t;
        !           680:     return;
        !           681:
        !           682:     }
        !           683:     /* padding odd col and row to even number for zero */
        !           684:     i = arow/2;
        !           685:     j = arow - i;
        !           686:     if (i != j) {
        !           687:       arow++;
        !           688:       pflag1 = 1;
        !           689:     }
        !           690:     i = m/2;
        !           691:     j = m - i;
        !           692:     if (i != j) {
        !           693:       m++;
        !           694:       pflag2 = 1;
        !           695:     }
        !           696:
        !           697:     i = bcol/2;
        !           698:     j = bcol - i;
        !           699:     if (i != j) {
        !           700:       bcol++;
        !           701:     }
        !           702:
        !           703:     /* split matrix A and B */
        !           704:     a1row = arow/2; a1col = m/2;
        !           705:     b1row = m/2; b1col = bcol/2;
        !           706:
        !           707:     /* expand matrix by Strassen-Winograd algorithm */
        !           708:     /* s1=A21+A22 */
        !           709:     addmat_miser(vl,a,a,&s1, ar0 + a1row, ac0, ar0 + arow -1, ac0 + a1col-1, ar0 + a1row, ac0 + a1col, ar0 + arow -1, ac0 + m-1);
        !           710:
        !           711:     /* s2=s1-A11 */
        !           712:     submat_miser(vl,s1,a,&s2, 0,0, s1->row-1, s1->col-1, ar0, ac0, ar0 + a1row-1, ac0 + a1col-1);
        !           713:
        !           714:     /* t1=B12-B11 */
        !           715:     submat_miser(vl, b, b, &t1, br0, bc0 + b1col, br0 + b1row-1, bc0 + bcol - 1, br0,bc0,br0 + b1row-1, bc0 + b1col-1);
        !           716:
        !           717:     /* t2=B22-t1 */
        !           718:     submat_miser(vl, b, t1, &t2, br0 + b1row, bc0 + b1col, br0 + m-1, bc0 + bcol-1, 0,0,t1->row-1, t1->col-1);
        !           719:
        !           720:     /* u=(A11-A21)*(B22-B12) */
        !           721:     submat_miser(vl, a, a, &ans1, ar0, ac0, ar0 + a1row-1,ac0 + a1col-1, ar0 + a1row, ac0, ar0 + arow-1, ac0 + a1col-1);
        !           722:     submat_miser(vl, b, b, &ans2, br0 + b1row, bc0 + b1col, br0 + m-1, bc0 + bcol-1, br0, bc0 + b1col, br0 + b1row-1, bc0 + bcol-1);
        !           723:     mulmatmat_miser(vl, ans1, ans2, &u1, 0, 0, ans1->row -1, ans1->col-1, 0, 0, ans2->row -1, ans2->col-1);
        !           724:
        !           725:     /* v=s1*t1 */
        !           726:     mulmatmat_miser(vl, s1, t1, &v1, 0, 0, s1->row -1, s1->col-1, 0, 0, t1->row -1, t1->col-1);
        !           727:
        !           728:     /* w=A11*B11+s2*t2 */
        !           729:     mulmatmat_miser(vl, a, b, &ans1, ar0, ac0, ar0 + a1row-1,ac0 + a1col-1, br0, bc0, br0 + b1row-1,bc0 + b1col-1);
        !           730:     mulmatmat_miser(vl, s2, t2, &ans2, 0, 0, s2->row -1, s2->col-1, 0, 0, t2->row -1, t2->col-1);
        !           731:     addmat_miser(vl, ans1, ans2, &w1, 0, 0, ans1->row -1, ans1->col-1, 0, 0, ans2->row -1, ans2->col-1);
        !           732:
        !           733:     /* C11 = A11*B11+A12*B21 */
        !           734:     mulmatmat_miser(vl, a, b, &ans2, ar0, ac0 + a1col, ar0 + a1row-1, ac0 + m-1, br0 + b1row, bc0 + 0, br0 + m-1, bc0 + b1col-1);
        !           735:     addmat_miser(vl, ans1, ans2, &c11, 0, 0, ans1->row -1, ans1->col -1, 0, 0, ans2->row -1, ans2->col-1);
        !           736:
        !           737:     /* C12 = w1+v1+(A12-s2)*B22 */
        !           738:     submat_miser(vl, a, s2, &ans1, ar0, ac0 + a1col, ar0 + a1row-1, ac0 + m-1, 0, 0, s2->row -1, s2->col -1);
        !           739:     mulmatmat_miser(vl, ans1, b, &ans2, 0, 0, ans1->row -1, ans1->col -1, br0 + b1row, bc0 + b1col, br0 + m-1, bc0 + bcol-1);
        !           740:     addmat_miser(vl, w1, v1, &ans1, 0, 0, w1->row -1, w1->col -1, 0,0, v1->row-1, v1->col -1);
        !           741:     addmat_miser(vl, ans1, ans2, &c12, 0, 0, ans1->row -1, ans1->col -1, 0, 0, ans2->row -1, ans2->col-1);
        !           742:
        !           743:     /* C21 = w1+u1+A22*(B21-t2) */
        !           744:     submat_miser(vl, b, t2, &ans1, br0 + b1row, bc0 + 0, br0 + m-1, bc0 + b1col-1, 0,0, t2->row-1, t2->col-1);
        !           745:     mulmatmat_miser(vl, a, ans1, &ans2, ar0 + a1row, ac0 + a1col, ar0 + arow-1, ac0 + m-1, 0, 0, ans1->row -1, ans1->col -1);
        !           746:     addmat_miser(vl, w1, u1, &ans1, 0,0,w1->row -1, w1->col-1, 0,0,u1->row -1, u1->col-1);
        !           747:     addmat_miser(vl, ans1, ans2, &c21, 0, 0, ans1->row -1, ans1->col -1, 0, 0, ans2->row -1, ans2->col-1);
        !           748:
        !           749:     /* C22 = w1 + u1 + v1 */
        !           750:     addmat_miser(vl, ans1, v1, &c22, 0, 0, ans1->row -1, ans1->col -1, 0, 0, v1->row-1, v1->col-1);
        !           751:   }
        !           752:
        !           753:   for(i =0; i<c11->row; i++) {
        !           754:     for ( j=0; j < c11->col; j++) {
        !           755:       t->body[i][j] = c11->body[i][j];
        !           756:     }
        !           757:   }
        !           758:   if (pflag1 == 0) {
        !           759:       k = c21->row;
        !           760:   } else {
        !           761:       k = c21->row - 1;
        !           762:   }
        !           763:   for(i =0; i<k; i++) {
        !           764:     for ( j=0; j < c21->col; j++) {
        !           765:       t->body[i+c11->row][j] = c21->body[i][j];
        !           766:     }
        !           767:   }
        !           768:   if (pflag2 == 0) {
        !           769:     h = c12->col;
        !           770:   } else {
        !           771:     h = c12->col -1;
        !           772:   }
        !           773:   for(i =0; i<c12->row; i++) {
        !           774:     for ( j=0; j < k; j++) {
        !           775:       t->body[i][j+c11->col] = c12->body[i][j];
        !           776:     }
        !           777:   }
        !           778:   if (pflag1 == 0) {
        !           779:     k = c22->row;
        !           780:   } else {
        !           781:     k = c22->row -1;
        !           782:   }
        !           783:   if (pflag2 == 0) {
        !           784:     h = c22->col;
        !           785:   } else {
        !           786:     h = c22->col - 1;
        !           787:   }
        !           788:   for(i =0; i<k; i++) {
        !           789:     for ( j=0; j < h; j++) {
        !           790:       t->body[i+c11->row][j+c11->col] = c22->body[i][j];
        !           791:     }
        !           792:   }
        !           793:   *c = t;
        !           794: }
        !           795: #endif
        !           796:
        !           797: void mulmatvect(vl,a,b,c)
        !           798: VL vl;
        !           799: MAT a;
        !           800: VECT b;
        !           801: VECT *c;
        !           802: {
        !           803:   int arow,i,j,m;
        !           804:   VECT t;
        !           805:   pointer s,u,v;
        !           806:   pointer *ab;
        !           807:
        !           808:   if ( !a || !b )
        !           809:     *c = 0;
        !           810:   else if ( a->col != b->len ) {
        !           811:     *c = 0; error("mulmatvect : size mismatch");
        !           812:   } else {
        !           813: #if 0
        !           814:     for ( i = 0; i < b->len; i++ )
        !           815:       if ( BDY(b)[i] && OID((Obj)BDY(b)[i]) > O_R )
        !           816:         error("mulmatvect : invalid argument");
        !           817: #endif
        !           818:     arow = a->row; m = a->col;
        !           819:     MKVECT(t,arow);
        !           820:     for ( i = 0; i < arow; i++ ) {
        !           821:       for ( j = 0, s = 0, ab = BDY(a)[i]; j < m; j++ ) {
        !           822:         arf_mul(vl,(Obj)ab[j],(Obj)BDY(b)[j],(Obj *)&u); arf_add(vl,(Obj)s,(Obj)u,(Obj *)&v); s = v;
        !           823:       }
        !           824:       BDY(t)[i] = s;
        !           825:     }
        !           826:     *c = t;
        !           827:   }
        !           828: }
        !           829:
        !           830: void mulvectmat(vl,a,b,c)
        !           831: VL vl;
        !           832: VECT a;
        !           833: MAT b;
        !           834: VECT *c;
        !           835: {
        !           836:   int bcol,i,j,m;
        !           837:   VECT t;
        !           838:   pointer s,u,v;
        !           839:
        !           840:   if ( !a || !b )
        !           841:     *c = 0;
        !           842:   else if ( a->len != b->row ) {
        !           843:     *c = 0; error("mulvectmat : size mismatch");
        !           844:   } else {
        !           845:     for ( i = 0; i < a->len; i++ )
        !           846:       if ( BDY(a)[i] && OID((Obj)BDY(a)[i]) > O_R )
        !           847:         error("mulvectmat : invalid argument");
        !           848:     bcol = b->col; m = a->len;
        !           849:     MKVECT(t,bcol);
        !           850:     for ( j = 0; j < bcol; j++ ) {
        !           851:       for ( i = 0, s = 0; i < m; i++ ) {
        !           852:         arf_mul(vl,(Obj)BDY(a)[i],(Obj)BDY(b)[i][j],(Obj *)&u); arf_add(vl,(Obj)s,(Obj)u,(Obj *)&v); s = v;
        !           853:       }
        !           854:       BDY(t)[j] = s;
        !           855:     }
        !           856:     *c = t;
        !           857:   }
        !           858: }
        !           859:
        !           860: int compmat(vl,a,b)
        !           861: VL vl;
        !           862: MAT a,b;
        !           863: {
        !           864:   int i,j,t,row,col;
        !           865:
        !           866:   if ( !a )
        !           867:     return b?-1:0;
        !           868:   else if ( !b )
        !           869:     return 1;
        !           870:   else if ( a->row != b->row )
        !           871:     return a->row>b->row ? 1 : -1;
        !           872:   else if (a->col != b->col )
        !           873:     return a->col > b->col ? 1 : -1;
        !           874:   else {
        !           875:     row = a->row; col = a->col;
        !           876:     for ( i = 0; i < row; i++ )
        !           877:       for ( j = 0; j < col; j++ )
        !           878:         if ( (t = arf_comp(vl,(Obj)BDY(a)[i][j],(Obj)BDY(b)[i][j])) != 0 )
        !           879:           return t;
        !           880:     return 0;
        !           881:   }
        !           882: }
        !           883:
        !           884: pointer **almat_pointer(n,m)
        !           885: int n,m;
        !           886: {
        !           887:   pointer **mat;
        !           888:   int i;
        !           889:
        !           890:   mat = (pointer **)MALLOC(n*sizeof(pointer *));
        !           891:   for ( i = 0; i < n; i++ )
        !           892:     mat[i] = (pointer *)CALLOC(m,sizeof(pointer));
        !           893:   return mat;
        !           894: }

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