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Annotation of OpenXM_contrib2/asir2000/builtin/bfaux.c, Revision 1.14

1.14    ! noro        1: /* $OpenXM: OpenXM_contrib2/asir2000/builtin/bfaux.c,v 1.13 2017/03/09 00:46:44 noro Exp $ */
1.1       noro        2: #include "ca.h"
                      3: #include "parse.h"
                      4:
1.4       noro        5: void Peval(), Psetprec(), Psetbprec(), Ptodouble(), Psetround();
1.8       noro        6: void Pmpfr_ai();
1.9       noro        7: void Pmpfr_eint(), Pmpfr_erf(), Pmpfr_erfc(), Pmpfr_li2();
1.8       noro        8: void Pmpfr_zeta();
                      9: void Pmpfr_j0(), Pmpfr_j1();
                     10: void Pmpfr_y0(), Pmpfr_y1();
                     11: void Pmpfr_gamma(), Pmpfr_lngamma(), Pmpfr_digamma();
                     12: void Pmpfr_floor(), Pmpfr_round(), Pmpfr_ceil();
1.12      noro       13: void Prk_ratmat();
1.14    ! noro       14: void mp_sin(),mp_cos(),mp_tan(),mp_asin(),mp_acos(),mp_atan();
        !            15: void mp_sinh(),mp_cosh(),mp_tanh(),mp_asinh(),mp_acosh(),mp_atanh();
        !            16: void mp_exp(),mp_log(),mp_pow();
1.1       noro       17:
                     18: struct ftab bf_tab[] = {
                     19:        {"eval",Peval,-2},
                     20:        {"setprec",Psetprec,-1},
1.3       noro       21:        {"setbprec",Psetbprec,-1},
1.4       noro       22:        {"setround",Psetround,-1},
1.1       noro       23:        {"todouble",Ptodouble,1},
1.14    ! noro       24:        {"mpfr_sin",mp_sin,-2},
        !            25:        {"mpfr_cos",mp_cos,-2},
        !            26:        {"mpfr_tan",mp_tan,-2},
        !            27:        {"mpfr_asin",mp_asin,-2},
        !            28:        {"mpfr_acos",mp_acos,-2},
        !            29:        {"mpfr_atan",mp_atan,-2},
        !            30:        {"mpfr_sinh",mp_sinh,-2},
        !            31:        {"mpfr_cosh",mp_cosh,-2},
        !            32:        {"mpfr_tanh",mp_tanh,-2},
        !            33:        {"mpfr_asinh",mp_asinh,-2},
        !            34:        {"mpfr_acosh",mp_acosh,-2},
        !            35:        {"mpfr_atanh",mp_atanh,-2},
        !            36:        {"mpfr_exp",mp_exp,-2},
        !            37:        {"mpfr_log",mp_log,-2},
        !            38:        {"mpfr_pow",mp_pow,-3},
1.8       noro       39:        {"mpfr_ai",Pmpfr_ai,-2},
                     40:        {"mpfr_zeta",Pmpfr_zeta,-2},
                     41:        {"mpfr_j0",Pmpfr_j0,-2},
                     42:        {"mpfr_j1",Pmpfr_j1,-2},
                     43:        {"mpfr_y0",Pmpfr_y0,-2},
                     44:        {"mpfr_y1",Pmpfr_y1,-2},
                     45:        {"mpfr_eint",Pmpfr_eint,-2},
                     46:        {"mpfr_erf",Pmpfr_erf,-2},
1.9       noro       47:        {"mpfr_erfc",Pmpfr_erfc,-2},
1.8       noro       48:        {"mpfr_li2",Pmpfr_li2,-2},
1.5       noro       49:        {"mpfr_gamma",Pmpfr_gamma,-2},
1.8       noro       50:        {"mpfr_lngamma",Pmpfr_gamma,-2},
                     51:        {"mpfr_digamma",Pmpfr_gamma,-2},
                     52:        {"mpfr_floor",Pmpfr_floor,-2},
                     53:        {"mpfr_ceil",Pmpfr_ceil,-2},
                     54:        {"mpfr_round",Pmpfr_round,-2},
1.12      noro       55:        {"rk_ratmat",Prk_ratmat,7},
1.1       noro       56:        {0,0,0},
                     57: };
                     58:
1.4       noro       59: int mpfr_roundmode = MPFR_RNDN;
                     60:
1.1       noro       61: void Ptodouble(NODE arg,Num *rp)
                     62: {
                     63:        double r,i;
                     64:        Real real,imag;
                     65:        Num num;
                     66:
                     67:        asir_assert(ARG0(arg),O_N,"todouble");
                     68:        num = (Num)ARG0(arg);
                     69:        if ( !num ) {
                     70:                *rp = 0;
                     71:                return;
                     72:        }
                     73:        switch ( NID(num) ) {
                     74:                case N_R: case N_Q: case N_B:
                     75:                        r = ToReal(num);
                     76:                        MKReal(r,real);
                     77:                        *rp = (Num)real;
                     78:                        break;
                     79:                case N_C:
                     80:                        r = ToReal(((C)num)->r);
                     81:                        i = ToReal(((C)num)->i);
                     82:                        MKReal(r,real);
                     83:                        MKReal(i,imag);
                     84:                        reimtocplx((Num)real,(Num)imag,rp);
                     85:                        break;
                     86:                default:
                     87:                        *rp = num;
                     88:                        break;
                     89:        }
                     90: }
                     91:
1.4       noro       92: void Peval(NODE arg,Obj *rp)
1.1       noro       93: {
                     94:   int prec;
                     95:
                     96:        asir_assert(ARG0(arg),O_R,"eval");
                     97:   if ( argc(arg) == 2 ) {
1.3       noro       98:          prec = QTOS((Q)ARG1(arg))*3.32193;
1.1       noro       99:     if ( prec < MPFR_PREC_MIN ) prec = MPFR_PREC_MIN;
                    100:     else if ( prec > MPFR_PREC_MAX ) prec = MPFR_PREC_MAX;
                    101:   } else
                    102:     prec = 0;
1.2       noro      103:        evalr(CO,(Obj)ARG0(arg),prec,rp);
1.1       noro      104: }
                    105:
1.3       noro      106: /* set/get decimal precision */
1.1       noro      107:
                    108: void Psetprec(NODE arg,Obj *rp)
                    109: {
                    110:        int p;
                    111:        Q q;
1.3       noro      112:        int prec,dprec;
                    113:
                    114:   prec = mpfr_get_default_prec();
                    115:   /* decimal precision */
                    116:   dprec = prec*0.30103;
                    117:   STOQ(dprec,q); *rp = (Obj)q;
                    118:        if ( arg ) {
                    119:                asir_assert(ARG0(arg),O_N,"setprec");
1.11      ohara     120:                p = QTOS((Q)ARG0(arg))*3.32193;
1.3       noro      121:                if ( p > 0 )
                    122:                        prec = p;
                    123:        }
                    124:   if ( prec < MPFR_PREC_MIN ) prec = MPFR_PREC_MIN;
                    125:   else if ( prec > MPFR_PREC_MAX ) prec = MPFR_PREC_MAX;
                    126:        mpfr_set_default_prec(prec);
                    127: }
1.1       noro      128:
1.3       noro      129: /* set/get bit precision */
1.1       noro      130:
1.3       noro      131: void Psetbprec(NODE arg,Obj *rp)
                    132: {
                    133:        int p;
                    134:        Q q;
                    135:        int prec;
                    136:
                    137:   prec = mpfr_get_default_prec();
                    138:   STOQ(prec,q); *rp = (Obj)q;
1.1       noro      139:        if ( arg ) {
1.3       noro      140:                asir_assert(ARG0(arg),O_N,"setbprec");
1.11      ohara     141:                p = QTOS((Q)ARG0(arg));
1.1       noro      142:                if ( p > 0 )
                    143:                        prec = p;
                    144:        }
                    145:   if ( prec < MPFR_PREC_MIN ) prec = MPFR_PREC_MIN;
                    146:   else if ( prec > MPFR_PREC_MAX ) prec = MPFR_PREC_MAX;
                    147:        mpfr_set_default_prec(prec);
                    148: }
                    149:
1.4       noro      150: void Psetround(NODE arg,Q *rp)
                    151: {
                    152:   int round;
                    153:
                    154:   STOQ(mpfr_roundmode,*rp);
                    155:   if ( arg ) {
                    156:                asir_assert(ARG0(arg),O_N,"setround");
                    157:     round = QTOS((Q)ARG0(arg));
                    158:     switch ( round ) {
                    159:     case 0:
                    160:       mpfr_roundmode = MPFR_RNDN;
                    161:       break;
                    162:     case 1:
                    163:       mpfr_roundmode = MPFR_RNDZ;
                    164:       break;
                    165:     case 2:
                    166:       mpfr_roundmode = MPFR_RNDU;
                    167:       break;
                    168:     case 3:
                    169:       mpfr_roundmode = MPFR_RNDD;
                    170:       break;
                    171:     case 4:
                    172:       mpfr_roundmode = MPFR_RNDA;
                    173:       break;
                    174:     case 5:
                    175:       mpfr_roundmode = MPFR_RNDF;
                    176:       break;
                    177:     case 6:
                    178:       mpfr_roundmode = MPFR_RNDNA;
                    179:       break;
                    180:     default:
                    181:       error("setround : invalid rounding mode");
                    182:       break;
                    183:     }
                    184:   }
                    185: }
                    186:
1.1       noro      187: Num tobf(Num a,int prec);
                    188:
                    189: void mp_pi(NODE arg,BF *rp)
                    190: {
1.10      noro      191:   int prec;
1.1       noro      192:        BF r;
                    193:
                    194:        prec = arg ? QTOS((Q)ARG0(arg)) : 0;
                    195:        NEWBF(r);
                    196:        prec ? mpfr_init2(r->body,prec) : mpfr_init(r->body);
1.4       noro      197:        mpfr_const_pi(r->body,mpfr_roundmode);
1.10      noro      198:   if ( !cmpbf((Num)r,0) ) r = 0;
                    199:   *rp = r;
1.1       noro      200: }
                    201:
                    202: void mp_e(NODE arg,BF *rp)
                    203: {
1.10      noro      204:   int prec;
1.1       noro      205:        mpfr_t one;
                    206:        BF r;
                    207:
                    208:        prec = arg ? QTOS((Q)ARG0(arg)) : 0;
                    209:        NEWBF(r);
                    210:        prec ? mpfr_init2(r->body,prec) : mpfr_init(r->body);
                    211:        mpfr_init(one);
1.4       noro      212:        mpfr_set_ui(one,1,mpfr_roundmode);
                    213:        mpfr_exp(r->body,one,mpfr_roundmode);
1.10      noro      214:   if ( !cmpbf((Num)r,0) ) r = 0;
                    215:   *rp = r;
1.1       noro      216: }
                    217:
1.10      noro      218: void mpfr_or_mpc(NODE arg,int (*mpfr_f)(),int (*mpc_f)(),Num *rp)
1.1       noro      219: {
                    220:        Num a;
1.10      noro      221:   int prec;
                    222:        BF r,re,im;
                    223:   C c;
                    224:   mpc_t mpc,a1;
1.1       noro      225:
1.10      noro      226:        prec = NEXT(arg) ? QTOS((Q)ARG1(arg)) : mpfr_get_default_prec();
1.1       noro      227:        a = tobf(ARG0(arg),prec);
1.10      noro      228:   if ( a && NID(a)==N_C ) {
                    229:     mpc_init2(mpc,prec); mpc_init2(a1,prec);
                    230:     re = (BF)((C)a)->r; im = (BF)((C)a)->i;
                    231:     mpc_set_fr_fr(a1,re->body,im->body,mpfr_roundmode);
                    232:     (*mpc_f)(mpc,a1,mpfr_roundmode);
                    233:     MPFRTOBF(mpc_realref(mpc),re);
                    234:     MPFRTOBF(mpc_imagref(mpc),im);
                    235:     if ( !cmpbf((Num)re,0) ) re = 0;
                    236:     if ( !cmpbf((Num)im,0) ) im = 0;
                    237:     if ( !im )
                    238:       *rp = (Num)re;
                    239:     else {
                    240:       NEWC(c); c->r = (Num)re; c->i = (Num)im;
                    241:       *rp = (Num)c;
                    242:     }
                    243:   } else {
                    244:          NEWBF(r);
                    245:          mpfr_init2(r->body,prec);
                    246:          (*mpfr_f)(r->body,((BF)a)->body,mpfr_roundmode);
                    247:     if ( !cmpbf((Num)r,0) ) r = 0;
                    248:     *rp = (Num)r;
                    249:   }
1.1       noro      250: }
                    251:
1.10      noro      252: void mp_sin(NODE arg,Num *rp)
1.1       noro      253: {
1.10      noro      254:   mpfr_or_mpc(arg,mpfr_sin,mpc_sin,rp);
                    255: }
1.1       noro      256:
1.10      noro      257: void mp_cos(NODE arg,Num *rp)
                    258: {
                    259:   mpfr_or_mpc(arg,mpfr_cos,mpc_cos,rp);
1.1       noro      260: }
                    261:
1.10      noro      262: void mp_tan(NODE arg,Num *rp)
1.1       noro      263: {
1.10      noro      264:   mpfr_or_mpc(arg,mpfr_tan,mpc_tan,rp);
                    265: }
1.1       noro      266:
1.10      noro      267: void mp_asin(NODE arg,Num *rp)
                    268: {
                    269:   mpfr_or_mpc(arg,mpfr_asin,mpc_asin,rp);
1.1       noro      270: }
                    271:
1.10      noro      272: void mp_acos(NODE arg,Num *rp)
1.1       noro      273: {
1.10      noro      274:   mpfr_or_mpc(arg,mpfr_acos,mpc_acos,rp);
                    275: }
1.1       noro      276:
1.10      noro      277: void mp_atan(NODE arg,Num *rp)
                    278: {
                    279:   mpfr_or_mpc(arg,mpfr_atan,mpc_atan,rp);
1.1       noro      280: }
                    281:
1.10      noro      282: void mp_sinh(NODE arg,Num *rp)
1.1       noro      283: {
1.10      noro      284:   mpfr_or_mpc(arg,mpfr_sinh,mpc_sinh,rp);
1.1       noro      285: }
                    286:
1.10      noro      287: void mp_cosh(NODE arg,Num *rp)
1.1       noro      288: {
1.10      noro      289:   mpfr_or_mpc(arg,mpfr_cosh,mpc_cosh,rp);
1.1       noro      290: }
                    291:
1.10      noro      292: void mp_tanh(NODE arg,Num *rp)
1.1       noro      293: {
1.10      noro      294:   mpfr_or_mpc(arg,mpfr_tanh,mpc_tanh,rp);
1.1       noro      295: }
                    296:
1.10      noro      297: void mp_asinh(NODE arg,Num *rp)
1.1       noro      298: {
1.10      noro      299:   mpfr_or_mpc(arg,mpfr_asinh,mpc_asinh,rp);
1.1       noro      300: }
                    301:
1.10      noro      302: void mp_acosh(NODE arg,Num *rp)
1.1       noro      303: {
1.10      noro      304:   mpfr_or_mpc(arg,mpfr_acosh,mpc_acosh,rp);
1.1       noro      305: }
                    306:
1.10      noro      307: void mp_atanh(NODE arg,Num *rp)
1.1       noro      308: {
1.10      noro      309:   mpfr_or_mpc(arg,mpfr_atanh,mpc_atanh,rp);
1.1       noro      310: }
                    311:
1.10      noro      312: void mp_exp(NODE arg,Num *rp)
1.1       noro      313: {
1.10      noro      314:   mpfr_or_mpc(arg,mpfr_exp,mpc_exp,rp);
1.1       noro      315: }
                    316:
1.10      noro      317: void mp_log(NODE arg,Num *rp)
1.1       noro      318: {
1.10      noro      319:   mpfr_or_mpc(arg,mpfr_log,mpc_log,rp);
1.1       noro      320: }
                    321:
1.10      noro      322: void mp_pow(NODE arg,Num *rp)
1.1       noro      323: {
                    324:        Num a,e;
1.10      noro      325:   int prec;
                    326:        BF r,re,im;
                    327:   C c;
                    328:   mpc_t mpc,a1,e1;
1.1       noro      329:
1.10      noro      330:        prec = NEXT(NEXT(arg)) ? QTOS((Q)ARG2(arg)) : mpfr_get_default_prec();
1.1       noro      331:        a = tobf(ARG0(arg),prec);
                    332:        e = tobf(ARG1(arg),prec);
1.10      noro      333:   if ( NID(a) == N_C || NID(e) == N_C || MPFR_SIGN(((BF)a)->body) < 0 ) {
                    334:     mpc_init2(mpc,prec); mpc_init2(a1,prec); mpc_init2(e1,prec);
                    335:     if ( NID(a) == N_C ) {
                    336:       re = (BF)((C)a)->r; im = (BF)((C)a)->i;
                    337:       mpc_set_fr_fr(a1,re->body,im->body,mpfr_roundmode);
                    338:     } else {
                    339:       re = (BF)a;
                    340:       mpc_set_fr(a1,re->body,mpfr_roundmode);
                    341:     }
                    342:     if ( NID(e) == N_C ) {
                    343:       re = (BF)((C)e)->r; im = (BF)((C)e)->i;
                    344:       mpc_set_fr_fr(e1,re->body,im->body,mpfr_roundmode);
                    345:     } else {
                    346:       re = (BF)e;
                    347:       mpc_set_fr(e1,re->body,mpfr_roundmode);
                    348:     }
                    349:     mpc_pow(mpc,a1,e1,mpfr_roundmode);
                    350:     MPFRTOBF(mpc_realref(mpc),re);
                    351:     MPFRTOBF(mpc_imagref(mpc),im);
                    352:     if ( !cmpbf((Num)re,0) ) re = 0;
                    353:     if ( !cmpbf((Num)im,0) ) im = 0;
                    354:     if ( !im )
                    355:       *rp = (Num)re;
                    356:     else {
                    357:       NEWC(c); c->r = (Num)re; c->i = (Num)im;
                    358:       *rp = (Num)c;
                    359:     }
                    360:   } else {
                    361:          NEWBF(r);
                    362:          mpfr_init2(r->body,prec);
                    363:          mpfr_pow(r->body,((BF)a)->body,((BF)e)->body,mpfr_roundmode);
                    364:     *rp = (Num)r;
                    365:   }
1.1       noro      366: }
1.5       noro      367:
1.8       noro      368: #define SETPREC \
                    369:  (prec)=NEXT(arg)?QTOS((Q)ARG1(arg)):0;\
                    370:  (prec)*=3.32193;\
                    371:  (a)=tobf(ARG0(arg),prec);\
                    372:  NEWBF(r);\
                    373:  prec ? mpfr_init2(r->body,prec) : mpfr_init(r->body);
                    374:
                    375:
1.5       noro      376: void Pmpfr_gamma(NODE arg,BF *rp)
                    377: {
                    378:        Num a;
                    379:   int prec;
                    380:        BF r;
                    381:
1.8       noro      382:   SETPREC
1.5       noro      383:        mpfr_gamma(r->body,((BF)a)->body,mpfr_roundmode);
                    384:   *rp = r;
                    385: }
1.6       takayama  386:
1.8       noro      387: void Pmpfr_lngamma(NODE arg,BF *rp)
                    388: {
                    389:        Num a;
                    390:   int prec;
                    391:        BF r;
                    392:
                    393:   SETPREC
                    394:        mpfr_lngamma(r->body,((BF)a)->body,mpfr_roundmode);
                    395:   *rp = r;
                    396: }
                    397:
                    398: void Pmpfr_digamma(NODE arg,BF *rp)
                    399: {
                    400:        Num a;
                    401:   int prec;
                    402:        BF r;
                    403:
                    404:   SETPREC
                    405:        mpfr_digamma(r->body,((BF)a)->body,mpfr_roundmode);
                    406:   *rp = r;
                    407: }
                    408:
                    409: void Pmpfr_zeta(NODE arg,BF *rp)
                    410: {
                    411:        Num a;
                    412:   int prec;
                    413:        BF r;
                    414:
                    415:   SETPREC
                    416:        mpfr_zeta(r->body,((BF)a)->body,mpfr_roundmode);
                    417:   *rp = r;
                    418: }
                    419:
                    420: void Pmpfr_eint(NODE arg,BF *rp)
                    421: {
                    422:        Num a;
                    423:   int prec;
                    424:        BF r;
                    425:
                    426:   SETPREC
                    427:        mpfr_eint(r->body,((BF)a)->body,mpfr_roundmode);
                    428:   *rp = r;
                    429: }
                    430:
                    431: void Pmpfr_erf(NODE arg,BF *rp)
                    432: {
                    433:        Num a;
                    434:   int prec;
                    435:        BF r;
                    436:
                    437:   SETPREC
                    438:        mpfr_erf(r->body,((BF)a)->body,mpfr_roundmode);
                    439:   *rp = r;
                    440: }
                    441:
1.9       noro      442: void Pmpfr_erfc(NODE arg,BF *rp)
                    443: {
                    444:        Num a;
                    445:   int prec;
                    446:        BF r;
                    447:
                    448:   SETPREC
                    449:        mpfr_erfc(r->body,((BF)a)->body,mpfr_roundmode);
                    450:   *rp = r;
                    451: }
                    452:
1.8       noro      453: void Pmpfr_j0(NODE arg,BF *rp)
                    454: {
                    455:        Num a;
                    456:   int prec;
                    457:        BF r;
                    458:
                    459:   SETPREC
                    460:        mpfr_j0(r->body,((BF)a)->body,mpfr_roundmode);
                    461:   *rp = r;
                    462: }
                    463:
                    464: void Pmpfr_j1(NODE arg,BF *rp)
                    465: {
                    466:        Num a;
                    467:   int prec;
                    468:        BF r;
                    469:
                    470:   SETPREC
                    471:        mpfr_j1(r->body,((BF)a)->body,mpfr_roundmode);
                    472:   *rp = r;
                    473: }
                    474:
                    475: void Pmpfr_y0(NODE arg,BF *rp)
                    476: {
                    477:        Num a;
                    478:   int prec;
                    479:        BF r;
                    480:
                    481:   SETPREC
                    482:        mpfr_y0(r->body,((BF)a)->body,mpfr_roundmode);
                    483:   *rp = r;
                    484: }
                    485:
                    486: void Pmpfr_y1(NODE arg,BF *rp)
                    487: {
                    488:        Num a;
                    489:   int prec;
                    490:        BF r;
                    491:
                    492:   SETPREC
                    493:        mpfr_y1(r->body,((BF)a)->body,mpfr_roundmode);
                    494:   *rp = r;
                    495: }
                    496:
                    497: void Pmpfr_li2(NODE arg,BF *rp)
                    498: {
                    499:        Num a;
                    500:   int prec;
                    501:        BF r;
                    502:
                    503:   SETPREC
                    504:        mpfr_li2(r->body,((BF)a)->body,mpfr_roundmode);
                    505:   *rp = r;
                    506: }
                    507:
                    508: void Pmpfr_ai(NODE arg,BF *rp)
                    509: {
                    510:        Num a;
                    511:   int prec;
                    512:        BF r;
                    513:
                    514:   SETPREC
                    515:        mpfr_ai(r->body,((BF)a)->body,mpfr_roundmode);
                    516:   *rp = r;
                    517: }
                    518:
1.7       takayama  519: void Pmpfr_floor(NODE arg,Q *rp)
1.6       takayama  520: {
                    521:        Num a;
                    522:   int prec;
                    523:        BF r;
1.7       takayama  524:        mpz_t t;
                    525:        GZ rz;
1.6       takayama  526:
1.8       noro      527:   SETPREC
1.6       takayama  528:        mpfr_floor(r->body,((BF)a)->body);
1.7       takayama  529:        mpz_init(t);
                    530:        mpfr_get_z(t,r->body,mpfr_roundmode);
                    531:        MPZTOGZ(t,rz);
                    532:        *rp = gztoz(rz);
                    533: }
                    534:
1.8       noro      535: void Pmpfr_ceil(NODE arg,Q *rp)
                    536: {
                    537:        Num a;
                    538:   int prec;
                    539:        BF r;
                    540:        mpz_t t;
                    541:        GZ rz;
                    542:
                    543:   SETPREC
                    544:        mpfr_ceil(r->body,((BF)a)->body);
                    545:        mpz_init(t);
                    546:        mpfr_get_z(t,r->body,mpfr_roundmode);
                    547:        MPZTOGZ(t,rz);
                    548:        *rp = gztoz(rz);
                    549: }
                    550:
1.7       takayama  551: void Pmpfr_round(NODE arg,Q *rp)
                    552: {
                    553:        Num a;
                    554:   int prec;
                    555:        BF r;
                    556:        mpz_t t;
                    557:        GZ rz;
                    558:
1.8       noro      559:   SETPREC
1.7       takayama  560:        mpfr_round(r->body,((BF)a)->body);
                    561:        mpz_init(t);
                    562:        mpfr_get_z(t,r->body,mpfr_roundmode);
                    563:        MPZTOGZ(t,rz);
                    564:        *rp = gztoz(rz);
1.6       takayama  565: }
1.12      noro      566:
                    567: double **almat_double(int n)
                    568: {
                    569:   int i;
                    570:   double **a;
                    571:
                    572:   a = (double **)MALLOC(n*sizeof(double *));
                    573:   for ( i = 0; i < n; i++ )
                    574:     a[i] = (double *)MALLOC(n*sizeof(double));
                    575:   return a;
                    576: }
                    577:
                    578: /*
                    579:  *  k <- (A(xi)-(sbeta-mn2/xi))f
                    580:  *  A(t) = (num[0]+num[1]t+...+num[d-1]*t^(d-1))/den(t)
                    581:  */
                    582:
                    583: struct jv {
                    584:   int j;
                    585:   double v;
                    586: };
                    587:
                    588: struct smat {
                    589:   int *rlen;
                    590:   struct jv **row;
                    591: };
                    592:
                    593: void eval_pfaffian2(double *k,int n,int d,struct smat *num,P den,double xi,double *f)
                    594: {
                    595:   struct smat ma;
                    596:   struct jv *maj;
                    597:   int i,j,l,s;
                    598:   double t,dn;
                    599:   P r;
                    600:   Real u;
                    601:
                    602:   memset(k,0,n*sizeof(double));
                    603:   for ( i = d-1; i >= 0; i-- ) {
                    604:     ma = num[i];
                    605:     for ( j = 0; j < n; j++ ) {
                    606:       maj = ma.row[j];
                    607:       l = ma.rlen[j];
                    608:       for ( t = 0, s = 0; s < l; s++, maj++ ) t += maj->v*f[maj->j];
                    609:       k[j] = k[j]*xi+t;
                    610:     }
                    611:   }
                    612:   MKReal(xi,u);
                    613:   substp(CO,den,den->v,(P)u,&r); dn = ToReal(r);
                    614:   for ( j = 0; j < n; j++ )
                    615:     k[j] /= dn;
                    616: }
                    617:
                    618: void Prk_ratmat(NODE arg,LIST *rp)
                    619: {
                    620:   VECT mat;
                    621:   P den;
                    622:   int ord;
                    623:   double sbeta,x0,x1,xi,h,mn2,hd;
                    624:   double a2,a3,a4,a5,a6;
                    625:   double b21,b31,b32,b41,b42,b43,b51,b52,b53,b54,b61,b62,b63,b64,b65;
                    626:   double c1,c2,c3,c4,c5,c6,c7;
                    627:   VECT fv;
                    628:   int step,j,i,k,n,d,len,s;
                    629:   struct smat *num;
                    630:   Obj **b;
                    631:   MAT mati;
                    632:   double *f,*w,*k1,*k2,*k3,*k4,*k5,*k6;
                    633:   NODE nd,nd1;
                    634:   Real x,t;
                    635:   LIST l;
                    636:
                    637:   ord = QTOS((Q)ARG0(arg));
                    638:   mat = (VECT)ARG1(arg); den = (P)ARG2(arg);
                    639:   x0 = ToReal((Num)ARG3(arg)); x1 = ToReal((Num)ARG4(arg));
                    640:   step = QTOS((Q)ARG5(arg)); fv = (VECT)ARG6(arg);
                    641:   h = (x1-x0)/step;
                    642:
                    643:   n = fv->len;
                    644:   d = mat->len;
1.13      noro      645:   num = (struct smat *)MALLOC(d*sizeof(struct smat));
1.12      noro      646:   for ( i = 0; i < d; i++ ) {
1.13      noro      647:     num[i].rlen = (int *)MALLOC_ATOMIC(n*sizeof(int));
1.12      noro      648:     num[i].row = (struct jv **)MALLOC(n*sizeof(struct jv *));
                    649:     mati = (MAT)mat->body[i];
                    650:     b = (Obj **)mati->body;
                    651:     for ( j = 0; j < n; j++ ) {
                    652:       for ( len = k = 0; k < n; k++ )
                    653:         if ( b[j][k] ) len++;
                    654:       num[i].rlen[j] = len;
1.13      noro      655:       if ( !len )
                    656:         num[i].row[j] = 0;
                    657:       else {
                    658:         num[i].row[j] = (struct jv *)MALLOC_ATOMIC((len)*sizeof(struct jv));
                    659:         for ( s = k = 0; k < n; k++ )
                    660:           if ( b[j][k] ) {
                    661:              num[i].row[j][s].j = k;
                    662:              num[i].row[j][s].v = ToReal((Num)b[j][k]);
                    663:              s++;
                    664:           }
                    665:       }
1.12      noro      666:     }
                    667:   }
1.13      noro      668:   f = (double *)MALLOC_ATOMIC(n*sizeof(double));
1.12      noro      669:   for ( j = 0; j < n; j++ )
                    670:     f[j] = ToReal((Num)fv->body[j]);
1.13      noro      671:   w = (double *)MALLOC_ATOMIC(n*sizeof(double));
                    672:   k1 = (double *)MALLOC_ATOMIC(n*sizeof(double));
                    673:   k2 = (double *)MALLOC_ATOMIC(n*sizeof(double));
                    674:   k3 = (double *)MALLOC_ATOMIC(n*sizeof(double));
                    675:   k4 = (double *)MALLOC_ATOMIC(n*sizeof(double));
                    676:   k5 = (double *)MALLOC_ATOMIC(n*sizeof(double));
1.12      noro      677:   k6 = (double *)MALLOC(n*sizeof(double));
                    678:   nd = 0;
                    679:   switch ( ord ) {
                    680:   case 4:
                    681:     a2 = 1/2.0*h; b21 = 1/2.0*h;
                    682:     a3 = 1/2.0*h; b31 = 0.0;   b32 = 1/2.0*h;
                    683:     a4 = 1.0*h;   b41 = 0.0;   b42 = 0.0;    b43 = 1.0*h;
                    684:     c1 = 1/6.0*h; c2 = 1/3.0*h;     c3 =  1/3.0*h; c4 = 1/6.0*h;
                    685:     for ( i = 0; i < step; i++ ) {
                    686:       if ( !(i%100000) ) fprintf(stderr,"[%d]",i);
                    687:       xi = x0+i*h;
                    688:       eval_pfaffian2(k1,n,d,num,den,xi,f);
                    689:       memcpy(w,f,n*sizeof(double)); for ( j = 0; j < n; j++ ) w[j] += b21*k1[j];
                    690:       eval_pfaffian2(k2,n,d,num,den,xi+a2,w);
                    691:       memcpy(w,f,n*sizeof(double)); for ( j = 0; j < n; j++ ) w[j] += b31*k1[j]+b32*k2[j];
                    692:       eval_pfaffian2(k3,n,d,num,den,xi+a3,w);
                    693:       memcpy(w,f,n*sizeof(double)); for ( j = 0; j < n; j++ ) w[j] += b41*k1[j]+b42*k2[j]+b43*k3[j];
                    694:       eval_pfaffian2(k4,n,d,num,den,xi+a4,w);
                    695:       memcpy(w,f,n*sizeof(double)); for ( j = 0; j < n; j++ ) w[j] += c1*k1[j]+c2*k2[j]+c3*k3[j]+c4*k4[j];
                    696:       memcpy(f,w,n*sizeof(double));
                    697:       MKReal(f[0],t);
                    698:       MKReal(xi+h,x);
                    699:       nd1 = mknode(2,x,t);
                    700:       MKLIST(l,nd1);
                    701:       MKNODE(nd1,l,nd);
                    702:       nd = nd1;
                    703:       for ( hd = f[0], j = 0; j < n; j++ ) f[j] /= hd;
                    704:     }
                    705:     MKLIST(*rp,nd);
                    706:     break;
                    707:   case 5:
                    708:   default:
                    709:     a2 = 1/4.0*h; b21 = 1/4.0*h;
                    710:     a3 = 1/4.0*h; b31 = 1/8.0*h; b32 = 1/8.0*h;
                    711:     a4 = 1/2.0*h; b41 = 0.0;   b42 = 0.0;    b43 = 1/2.0*h;
                    712:     a5 = 3/4.0*h; b51 = 3/16.0*h;b52 = -3/8.0*h; b53 = 3/8.0*h;   b54 = 9/16.0*h;
                    713:     a6 = 1.0*h;   b61 = -3/7.0*h;b62 = 8/7.0*h;  b63 = 6/7.0*h;   b64 = -12/7.0*h; b65 = 8/7.0*h;
                    714:     c1 = 7/90.0*h; c2 = 0.0;     c3 =  16/45.0*h; c4 = 2/15.0*h;   c5 = 16/45.0*h; c6 = 7/90.0*h;
                    715:     for ( i = 0; i < step; i++ ) {
                    716:       if ( !(i%100000) ) fprintf(stderr,"[%d]",i);
                    717:       xi = x0+i*h;
                    718:       eval_pfaffian2(k1,n,d,num,den,xi,f);
                    719:       memcpy(w,f,n*sizeof(double)); for ( j = 0; j < n; j++ ) w[j] += b21*k1[j];
                    720:       eval_pfaffian2(k2,n,d,num,den,xi+a2,w);
                    721:       memcpy(w,f,n*sizeof(double)); for ( j = 0; j < n; j++ ) w[j] += b31*k1[j]+b32*k2[j];
                    722:       eval_pfaffian2(k3,n,d,num,den,xi+a3,w);
                    723:       memcpy(w,f,n*sizeof(double)); for ( j = 0; j < n; j++ ) w[j] += b41*k1[j]+b42*k2[j]+b43*k3[j];
                    724:       eval_pfaffian2(k4,n,d,num,den,xi+a4,w);
                    725:       memcpy(w,f,n*sizeof(double)); for ( j = 0; j < n; j++ ) w[j] += b51*k1[j]+b52*k2[j]+b53*k3[j]+b54*k4[j];
                    726:       eval_pfaffian2(k5,n,d,num,den,xi+a5,w);
                    727:       memcpy(w,f,n*sizeof(double)); for ( j = 0; j < n; j++ ) w[j] += b61*k1[j]+b62*k2[j]+b63*k3[j]+b64*k4[j]+b65*k5[j];
                    728:       eval_pfaffian2(k6,n,d,num,den,xi+a6,w);
                    729:       memcpy(w,f,n*sizeof(double)); for ( j = 0; j < n; j++ ) w[j] += c1*k1[j]+c2*k2[j]+c3*k3[j]+c4*k4[j]+c5*k5[j]+c6*k6[j];
                    730:       memcpy(f,w,n*sizeof(double));
                    731:       MKReal(f[0],t);
                    732:       MKReal(xi+h,x);
                    733:       nd1 = mknode(2,x,t);
                    734:       MKLIST(l,nd1);
                    735:       MKNODE(nd1,l,nd);
                    736:       nd = nd1;
                    737:       for ( hd = f[0], j = 0; j < n; j++ ) f[j] /= hd;
                    738:     }
                    739:     MKLIST(*rp,nd);
                    740:     break;
                    741:   }
                    742: }

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