version 1.5, 2009/03/27 14:42:29 |
version 1.11, 2015/08/06 23:41:52 |
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/* |
/* |
* Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED |
* $OpenXM: OpenXM_contrib2/asir2000/engine/bf.c,v 1.10 2015/08/06 09:12:29 noro Exp $ |
* All rights reserved. |
*/ |
* |
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* FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited, |
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* non-exclusive and royalty-free license to use, copy, modify and |
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* redistribute, solely for non-commercial and non-profit purposes, the |
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* computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and |
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* conditions of this Agreement. For the avoidance of doubt, you acquire |
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* only a limited right to use the SOFTWARE hereunder, and FLL or any |
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* third party developer retains all rights, including but not limited to |
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* copyrights, in and to the SOFTWARE. |
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* |
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* (1) FLL does not grant you a license in any way for commercial |
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* purposes. You may use the SOFTWARE only for non-commercial and |
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* non-profit purposes only, such as academic, research and internal |
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* business use. |
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* (2) The SOFTWARE is protected by the Copyright Law of Japan and |
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* international copyright treaties. If you make copies of the SOFTWARE, |
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* with or without modification, as permitted hereunder, you shall affix |
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* to all such copies of the SOFTWARE the above copyright notice. |
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* (3) An explicit reference to this SOFTWARE and its copyright owner |
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* shall be made on your publication or presentation in any form of the |
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* results obtained by use of the SOFTWARE. |
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* (4) In the event that you modify the SOFTWARE, you shall notify FLL by |
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* e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification |
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* for such modification or the source code of the modified part of the |
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* SOFTWARE. |
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* |
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* THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL |
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* MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND |
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* EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS |
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* FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES' |
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* RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY |
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* MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY. |
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* UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT, |
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* OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY |
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL |
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* DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES |
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* ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES |
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* FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY |
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* DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF |
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* SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART |
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* OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY |
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* DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE, |
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* PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE. |
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* |
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* $OpenXM: OpenXM_contrib2/asir2000/engine/bf.c,v 1.4 2003/02/14 22:29:08 ohara Exp $ |
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*/ |
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#include "ca.h" |
#include "ca.h" |
#if defined(PARI) |
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#include "base.h" |
#include "base.h" |
#include <math.h> |
#include <math.h> |
#include "genpari.h" |
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void ritopa(Obj,GEN *); |
extern int mpfr_roundmode; |
void patori(GEN,Obj *); |
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void addbf(a,b,c) |
Num tobf(Num,int); |
Num a,b; |
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Num *c; |
#define BFPREC(a) (((BF)(a))->body->_mpfr_prec) |
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void strtobf(char *s,BF *p) |
{ |
{ |
GEN pa,pb,z; |
BF r; |
long ltop,lbot; |
NEWBF(r); |
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mpfr_init(r->body); |
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mpfr_set_str(r->body,s,10,mpfr_roundmode); |
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*p = r; |
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} |
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if ( !a ) |
double mpfrtodbl(mpfr_t a) |
*c = b; |
{ |
else if ( !b ) |
return mpfr_get_d(a,mpfr_roundmode); |
*c = a; |
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else if ( (NID(a) <= N_A) && (NID(b) <= N_A ) ) |
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(*addnumt[MIN(NID(a),NID(b))])(a,b,c); |
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else { |
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ltop = avma; ritopa((Obj)a,&pa); |
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ritopa((Obj)b,&pb); lbot = avma; |
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z = gerepile(ltop,lbot,gadd(pa,pb)); |
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patori(z,(Obj *)c); cgiv(z); |
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} |
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} |
} |
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void subbf(a,b,c) |
Num tobf(Num a,int prec) |
Num a,b; |
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Num *c; |
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{ |
{ |
GEN pa,pb,z; |
mpfr_t r; |
long ltop,lbot; |
mpz_t z; |
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mpq_t q; |
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BF d; |
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N nm,dn; |
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int sgn; |
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if ( !a ) |
if ( !a ) { |
(*chsgnnumt[NID(b)])(b,c); |
prec ? mpfr_init2(r,prec) : mpfr_init(r); |
else if ( !b ) |
mpfr_set_zero(r,1); |
*c = a; |
MPFRTOBF(r,d); |
else if ( (NID(a) <= N_A) && (NID(b) <= N_A ) ) |
return (Num)d; |
(*subnumt[MIN(NID(a),NID(b))])(a,b,c); |
} else { |
else { |
switch ( NID(a) ) { |
ltop = avma; ritopa((Obj)a,&pa); ritopa((Obj)b,&pb); lbot = avma; |
case N_B: |
z = gerepile(ltop,lbot,gsub(pa,pb)); |
return a; |
patori(z,(Obj *)c); cgiv(z); |
break; |
} |
case N_R: |
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prec ? mpfr_init2(r,prec) : mpfr_init(r); |
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mpfr_init_set_d(r,((Real)a)->body,mpfr_roundmode); |
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MPFRTOBF(r,d); |
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return (Num)d; |
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break; |
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case N_Q: |
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nm = NM((Q)a); dn = DN((Q)a); sgn = SGN((Q)a); |
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if ( INT((Q)a) ) { |
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mpz_init(z); |
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mpz_import(z,PL(nm),-1,sizeof(BD(nm)[0]),0,0,BD(nm)); |
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if ( sgn < 0 ) mpz_neg(z,z); |
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mpfr_init_set_z(r,z,mpfr_roundmode); |
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} else { |
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mpq_init(q); |
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mpz_import(mpq_numref(q),PL(nm),-1,sizeof(BD(nm)[0]),0,0,BD(nm)); |
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mpz_import(mpq_denref(q),PL(dn),-1,sizeof(BD(dn)[0]),0,0,BD(dn)); |
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if ( sgn < 0 ) mpq_neg(q,q); |
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mpfr_init_set_q(r,q,mpfr_roundmode); |
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} |
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MPFRTOBF(r,d); |
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return (Num)d; |
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break; |
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default: |
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error("tobf : invalid argument"); |
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break; |
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} |
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} |
} |
} |
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void mulbf(a,b,c) |
void addbf(Num a,Num b,Num *c) |
Num a,b; |
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Num *c; |
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{ |
{ |
GEN pa,pb,z; |
mpfr_t r; |
long ltop,lbot; |
BF d; |
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GZ z; |
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GQ q; |
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if ( !a || !b ) |
if ( !a ) |
*c = 0; |
*c = b; |
else if ( (NID(a) <= N_A) && (NID(b) <= N_A ) ) |
else if ( !b ) |
(*mulnumt[MIN(NID(a),NID(b))])(a,b,c); |
*c = a; |
else { |
else if ( (NID(a) <= N_A) && (NID(b) <= N_A ) ) |
ltop = avma; ritopa((Obj)a,&pa); ritopa((Obj)b,&pb); lbot = avma; |
(*addnumt[MIN(NID(a),NID(b))])(a,b,c); |
z = gerepile(ltop,lbot,gmul(pa,pb)); |
else if ( NID(a) == N_B ) { |
patori(z,(Obj *)c); cgiv(z); |
switch ( NID(b) ) { |
} |
case N_Q: |
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mpfr_init2(r,BFPREC(a)); |
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if ( INT((Q)b) ) { |
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z = ztogz((Q)b); |
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mpfr_add_z(r,((BF)a)->body,z->body,mpfr_roundmode); |
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} else { |
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q = qtogq((Q)b); |
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mpfr_add_q(r,((BF)a)->body,q->body,mpfr_roundmode); |
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} |
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break; |
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case N_R: |
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/* double precision = 53 */ |
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mpfr_init2(r,MAX(BFPREC(a),53)); |
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mpfr_add_d(r,((BF)a)->body,((Real)b)->body,mpfr_roundmode); |
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break; |
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case N_B: |
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mpfr_init2(r,MAX(BFPREC(a),BFPREC(b))); |
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mpfr_add(r,((BF)a)->body,((BF)b)->body,mpfr_roundmode); |
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break; |
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} |
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MPFRTOBF(r,d); |
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*c = (Num)d; |
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} else { /* NID(b)==N_B */ |
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switch ( NID(a) ) { |
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case N_Q: |
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mpfr_init2(r,BFPREC(b)); |
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if ( INT((Q)a) ) { |
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z = ztogz((Q)a); |
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mpfr_add_z(r,((BF)b)->body,z->body,mpfr_roundmode); |
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} else { |
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q = qtogq((Q)a); |
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mpfr_add_q(r,((BF)b)->body,q->body,mpfr_roundmode); |
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} |
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break; |
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case N_R: |
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/* double precision = 53 */ |
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mpfr_init2(r,MAX(BFPREC(b),53)); |
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mpfr_add_d(r,((BF)b)->body,((Real)a)->body,mpfr_roundmode); |
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break; |
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} |
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MPFRTOBF(r,d); |
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*c = (Num)d; |
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} |
} |
} |
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void divbf(a,b,c) |
void subbf(Num a,Num b,Num *c) |
Num a,b; |
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Num *c; |
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{ |
{ |
GEN pa,pb,z; |
mpfr_t r,s; |
long ltop,lbot; |
GZ z; |
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GQ q; |
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BF d; |
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if ( !b ) |
if ( !a ) |
error("divbf : division by 0"); |
(*chsgnnumt[NID(b)])(b,c); |
else if ( !a ) |
else if ( !b ) |
*c = 0; |
*c = a; |
else if ( (NID(a) <= N_A) && (NID(b) <= N_A ) ) |
else if ( (NID(a) <= N_A) && (NID(b) <= N_A ) ) |
(*divnumt[MIN(NID(a),NID(b))])(a,b,c); |
(*subnumt[MIN(NID(a),NID(b))])(a,b,c); |
else { |
else if ( NID(a) == N_B ) { |
ltop = avma; ritopa((Obj)a,&pa); ritopa((Obj)b,&pb); lbot = avma; |
switch ( NID(b) ) { |
z = gerepile(ltop,lbot,gdiv(pa,pb)); |
case N_Q: |
patori(z,(Obj *)c); cgiv(z); |
mpfr_init2(r,BFPREC(a)); |
} |
if ( INT((Q)b) ) { |
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z = ztogz((Q)b); |
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mpfr_sub_z(r,((BF)a)->body,z->body,mpfr_roundmode); |
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} else { |
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q = qtogq((Q)b); |
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mpfr_sub_q(r,((BF)a)->body,q->body,mpfr_roundmode); |
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} |
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break; |
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case N_R: |
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/* double precision = 53 */ |
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mpfr_init2(r,MAX(BFPREC(a),53)); |
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mpfr_sub_d(r,((BF)a)->body,((Real)b)->body,mpfr_roundmode); |
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break; |
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case N_B: |
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mpfr_init2(r,MAX(BFPREC(a),BFPREC(b))); |
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mpfr_sub(r,((BF)a)->body,((BF)b)->body,mpfr_roundmode); |
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break; |
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} |
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MPFRTOBF(r,d); |
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*c = (Num)d; |
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} else { /* NID(b)==N_B */ |
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switch ( NID(a) ) { |
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case N_Q: |
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mpfr_init2(r,BFPREC(b)); |
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if ( INT((Q)a) ) { |
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z = ztogz((Q)a); |
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mpfr_sub_z(r,((BF)b)->body,z->body,mpfr_roundmode); |
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} else { |
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q = qtogq((Q)a); |
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mpfr_sub_q(r,((BF)b)->body,q->body,mpfr_roundmode); |
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} |
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mpfr_neg(r,r,mpfr_roundmode); |
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break; |
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case N_R: |
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/* double precision = 53 */ |
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mpfr_init2(r,MAX(BFPREC(b),53)); |
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mpfr_d_sub(r,((Real)a)->body,((BF)b)->body,mpfr_roundmode); |
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break; |
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} |
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MPFRTOBF(r,d); |
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*c = (Num)d; |
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} |
} |
} |
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void pwrbf(a,e,c) |
void mulbf(Num a,Num b,Num *c) |
Num a,e; |
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Num *c; |
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{ |
{ |
if ( !e ) |
mpfr_t r; |
*c = (Num)ONE; |
GZ z; |
else if ( !a ) |
GQ q; |
*c = 0; |
BF d; |
else { |
int prec; |
gpui_ri((Obj)a,(Obj)c,(Obj *)c); |
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} |
if ( !a || !b ) |
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*c = 0; |
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else if ( (NID(a) <= N_A) && (NID(b) <= N_A ) ) |
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(*mulnumt[MIN(NID(a),NID(b))])(a,b,c); |
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else if ( NID(a) == N_B ) { |
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switch ( NID(b) ) { |
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case N_Q: |
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mpfr_init2(r,BFPREC(a)); |
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if ( INT((Q)b) ) { |
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z = ztogz((Q)b); |
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mpfr_mul_z(r,((BF)a)->body,z->body,mpfr_roundmode); |
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} else { |
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q = qtogq((Q)b); |
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mpfr_mul_q(r,((BF)a)->body,q->body,mpfr_roundmode); |
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} |
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break; |
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case N_R: |
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/* double precision = 53 */ |
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mpfr_init2(r,MAX(BFPREC(a),53)); |
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mpfr_mul_d(r,((BF)a)->body,((Real)b)->body,mpfr_roundmode); |
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break; |
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case N_B: |
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mpfr_init2(r,MAX(BFPREC(a),BFPREC(b))); |
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mpfr_mul(r,((BF)a)->body,((BF)b)->body,mpfr_roundmode); |
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break; |
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} |
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MPFRTOBF(r,d); |
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*c = (Num)d; |
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} else { /* NID(b)==N_B */ |
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switch ( NID(a) ) { |
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case N_Q: |
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mpfr_init2(r,BFPREC(b)); |
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if ( INT((Q)a) ) { |
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z = ztogz((Q)a); |
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mpfr_mul_z(r,((BF)b)->body,z->body,mpfr_roundmode); |
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} else { |
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q = qtogq((Q)a); |
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mpfr_mul_q(r,((BF)b)->body,q->body,mpfr_roundmode); |
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} |
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break; |
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case N_R: |
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/* double precision = 53 */ |
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mpfr_init2(r,MAX(BFPREC(b),53)); |
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mpfr_mul_d(r,((BF)b)->body,((Real)a)->body,mpfr_roundmode); |
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break; |
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} |
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MPFRTOBF(r,d); |
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*c = (Num)d; |
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} |
} |
} |
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void chsgnbf(a,c) |
void divbf(Num a,Num b,Num *c) |
Num a,*c; |
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{ |
{ |
BF t; |
mpfr_t s,r; |
GEN z; |
GZ z; |
int s; |
GQ q; |
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BF d; |
|
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if ( !a ) |
if ( !b ) |
*c = 0; |
error("divbf : division by 0"); |
else if ( NID(a) <= N_A ) |
else if ( !a ) |
(*chsgnnumt[NID(a)])(a,c); |
*c = 0; |
else { |
else if ( (NID(a) <= N_A) && (NID(b) <= N_A ) ) |
z = (GEN)((BF)a)->body; s = lg(z); NEWBF(t,s); |
(*divnumt[MIN(NID(a),NID(b))])(a,b,c); |
bcopy((char *)a,(char *)t,sizeof(struct oBF)+((s-1)*sizeof(long))); |
else if ( NID(a) == N_B ) { |
z = (GEN)((BF)t)->body; setsigne(z,-signe(z)); |
switch ( NID(b) ) { |
*c = (Num)t; |
case N_Q: |
} |
mpfr_init2(r,BFPREC(a)); |
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if ( INT((Q)b) ) { |
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z = ztogz((Q)b); |
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mpfr_div_z(r,((BF)a)->body,z->body,mpfr_roundmode); |
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} else { |
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q = qtogq((Q)b); |
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mpfr_div_q(r,((BF)a)->body,q->body,mpfr_roundmode); |
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} |
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break; |
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case N_R: |
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/* double precision = 53 */ |
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mpfr_init2(r,MAX(BFPREC(a),53)); |
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mpfr_div_d(r,((BF)a)->body,((Real)b)->body,mpfr_roundmode); |
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break; |
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case N_B: |
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mpfr_init2(r,MAX(BFPREC(a),BFPREC(b))); |
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mpfr_div(r,((BF)a)->body,((BF)b)->body,mpfr_roundmode); |
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break; |
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} |
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MPFRTOBF(r,d); |
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*c = (Num)d; |
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} else { /* NID(b)==N_B */ |
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switch ( NID(a) ) { |
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case N_Q: |
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/* XXX : mpfr_z_div and mpfr_q_div are not implemented */ |
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a = tobf(a,BFPREC(b)); |
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mpfr_init2(r,BFPREC(b)); |
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mpfr_div(r,((BF)a)->body,((BF)b)->body,mpfr_roundmode); |
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break; |
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case N_R: |
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/* double precision = 53 */ |
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mpfr_init2(r,MAX(BFPREC(b),53)); |
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mpfr_d_div(r,((Real)a)->body,((BF)b)->body,mpfr_roundmode); |
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break; |
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} |
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MPFRTOBF(r,d); |
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*c = (Num)d; |
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} |
} |
} |
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int cmpbf(a,b) |
void pwrbf(Num a,Num b,Num *c) |
Num a,b; |
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{ |
{ |
GEN pa,pb; |
int prec; |
int s; |
mpfr_t r; |
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GZ z; |
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BF d; |
|
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if ( !a ) { |
if ( !b ) |
if ( !b || (NID(b)<=N_A) ) |
*c = (Num)ONE; |
return (*cmpnumt[NID(b)])(a,b); |
else if ( !a ) |
else |
*c = 0; |
return -signe(((BF)b)->body); |
else if ( (NID(a) <= N_A) && (NID(b) <= N_A ) ) |
} else if ( !b ) { |
(*pwrnumt[MIN(NID(a),NID(b))])(a,b,c); |
if ( !a || (NID(a)<=N_A) ) |
else if ( NID(a) == N_B ) { |
return (*cmpnumt[NID(a)])(a,b); |
switch ( NID(b) ) { |
else |
case N_Q: |
return signe(((BF)a)->body); |
mpfr_init2(r,BFPREC(a)); |
} else { |
if ( INT((Q)b) ) { |
ritopa((Obj)a,&pa); ritopa((Obj)b,&pb); |
z = ztogz((Q)b); |
s = gcmp(pa,pb); cgiv(pb); cgiv(pa); |
mpfr_pow_z(r,((BF)a)->body,z->body,mpfr_roundmode); |
return s; |
} else { |
} |
b = tobf(b,BFPREC(a)); |
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mpfr_pow(r,((BF)a)->body,((BF)b)->body,mpfr_roundmode); |
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} |
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break; |
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case N_R: |
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/* double precision = 53 */ |
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prec = MAX(BFPREC(a),53); |
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mpfr_init2(r,prec); |
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b = tobf(b,prec); |
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mpfr_pow(r,((BF)a)->body,((BF)b)->body,mpfr_roundmode); |
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break; |
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case N_B: |
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mpfr_init2(r,MAX(BFPREC(a),BFPREC(b))); |
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mpfr_pow(r,((BF)a)->body,((BF)b)->body,mpfr_roundmode); |
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break; |
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} |
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MPFRTOBF(r,d); |
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*c = (Num)d; |
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} else { /* NID(b)==N_B */ |
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switch ( NID(a) ) { |
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case N_Q: |
|
mpfr_init2(r,BFPREC(b)); |
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a = tobf(a,BFPREC(b)); |
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mpfr_pow(r,((BF)a)->body,((BF)b)->body,mpfr_roundmode); |
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break; |
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case N_R: |
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/* double precision = 53 */ |
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prec = MAX(BFPREC(a),53); |
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mpfr_init2(r,prec); |
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a = tobf(a,prec); |
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mpfr_pow(r,((BF)a)->body,((BF)b)->body,mpfr_roundmode); |
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break; |
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} |
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MPFRTOBF(r,d); |
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*c = (Num)d; |
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} |
} |
} |
#endif /* PARI */ |
|
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void chsgnbf(Num a,Num *c) |
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{ |
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mpfr_t r; |
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BF d; |
|
|
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if ( !a ) |
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*c = 0; |
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else if ( NID(a) <= N_A ) |
|
(*chsgnnumt[NID(a)])(a,c); |
|
else { |
|
mpfr_init2(r,BFPREC(a)); |
|
mpfr_neg(r,((BF)a)->body,mpfr_roundmode); |
|
MPFRTOBF(r,d); |
|
*c = (Num)d; |
|
} |
|
} |
|
|
|
int cmpbf(Num a,Num b) |
|
{ |
|
int ret; |
|
GZ z; |
|
GQ q; |
|
|
|
if ( !a ) { |
|
if ( !b || (NID(b)<=N_A) ) |
|
return (*cmpnumt[NID(b)])(a,b); |
|
else |
|
return -mpfr_sgn(((BF)a)->body); |
|
} else if ( !b ) { |
|
if ( !a || (NID(a)<=N_A) ) |
|
return (*cmpnumt[NID(a)])(a,b); |
|
else |
|
return mpfr_sgn(((BF)a)->body); |
|
} else if ( NID(a) == N_B ) { |
|
switch ( NID(b) ) { |
|
case N_Q: |
|
if ( INT((Q)b) ) { |
|
z = ztogz((Q)b); |
|
ret = mpfr_cmp_z(((BF)a)->body,z->body); |
|
} else { |
|
q = qtogq((Q)b); |
|
ret = mpfr_cmp_q(((BF)a)->body,q->body); |
|
} |
|
break; |
|
case N_R: |
|
/* double precision = 53 */ |
|
ret = mpfr_cmp_d(((BF)a)->body,((Real)b)->body); |
|
break; |
|
case N_B: |
|
ret = mpfr_cmp(((BF)a)->body,((BF)b)->body); |
|
break; |
|
} |
|
return ret; |
|
} else { /* NID(b)==N_B */ |
|
switch ( NID(a) ) { |
|
case N_Q: |
|
if ( INT((Q)a) ) { |
|
z = ztogz((Q)a); |
|
ret = mpfr_cmp_z(((BF)b)->body,z->body); |
|
} else { |
|
q = qtogq((Q)a); |
|
ret = mpfr_cmp_q(((BF)b)->body,q->body); |
|
} |
|
break; |
|
case N_R: |
|
/* double precision = 53 */ |
|
ret = mpfr_cmp_d(((BF)b)->body,((Real)a)->body); |
|
break; |
|
} |
|
return -ret; |
|
} |
|
} |