version 1.10, 2002/06/21 00:34:21 |
version 1.16, 2010/07/14 04:48:14 |
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* DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE, |
* DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE, |
* PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE. |
* PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE. |
* |
* |
* $OpenXM: OpenXM_contrib2/asir2000/lib/sp,v 1.9 2001/10/12 06:07:05 noro Exp $ |
* $OpenXM: OpenXM_contrib2/asir2000/lib/sp,v 1.15 2006/06/23 08:57:47 noro Exp $ |
*/ |
*/ |
/* |
/* |
sp : functions related to algebraic number fields |
sp : functions related to algebraic number fields |
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#include "defs.h" |
#include "defs.h" |
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extern ASCENT,GCDTIME,UFTIME,RESTIME,SQTIME,PRINT$ |
extern ASCENT,GCDTIME,UFTIME,RESTIME,SQTIME,PRINT$ |
extern Ord$ |
extern SpOrd$ |
extern USE_PARI_FACTOR$ |
extern USE_PARI_FACTOR$ |
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/* gen_sp can handle non-monic poly */ |
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def gen_sp(P) |
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{ |
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P = ptozp(P); |
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V = var(P); |
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D = deg(P,V); |
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LC = coef(P,D,V); |
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F = LC^(D-1)*subst(P,V,V/LC); |
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/* F must be monic */ |
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L = sp(F); |
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return cons(map(subst,car(L),V,LC*V),cdr(L)); |
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} |
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def sp(P) |
def sp(P) |
{ |
{ |
RESTIME=UFTIME=GCDTIME=SQTIME=0; |
RESTIME=UFTIME=GCDTIME=SQTIME=0; |
Line 645 def ufctrhint2(P,HINT,PP,AL) |
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Line 659 def ufctrhint2(P,HINT,PP,AL) |
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return [[P,1]]; |
return [[P,1]]; |
if ( AL == [] ) |
if ( AL == [] ) |
return ufctrhint(P,HINT); |
return ufctrhint(P,HINT); |
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/* if P != norm(PP) then call the generic ufctrhint() */ |
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for ( T = AL, E = 1; T != []; T = cdr(T) ) { |
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D = defpoly(car(T)); E *= deg(D,var(D)); |
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} |
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if ( E*deg(PP,var(PP)) != deg(P,var(P)) ) |
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return ufctrhint(P,HINT); |
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/* P = norm(PP) */ |
L = resfctr(algptorat(PP),map(defpoly,AL),map(algtorat,AL),P); |
L = resfctr(algptorat(PP),map(defpoly,AL),map(algtorat,AL),P); |
for ( T = reverse(L[1]), DL = []; T != []; T = cdr(T) ) |
for ( T = reverse(L[1]), DL = []; T != []; T = cdr(T) ) |
DL = cons(deg(car(car(T)),a_),DL); |
DL = cons(deg(car(car(T)),a_),DL); |
Line 789 def norm_ch_lag(V,VM,P,P0) { |
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Line 812 def norm_ch_lag(V,VM,P,P0) { |
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def cr_gcda(P1,P2) |
def cr_gcda(P1,P2) |
{ |
{ |
if ( !(V = var(P1)) || !var(P2) ) |
if ( !P1 ) |
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return P2; |
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if ( !P2 ) |
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return P1; |
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if ( !var(P1) || !var(P2) ) |
return 1; |
return 1; |
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V = var(P1); |
EXT = union_sort(getalgtreep(P1),getalgtreep(P2)); |
EXT = union_sort(getalgtreep(P1),getalgtreep(P2)); |
if ( EXT == [] ) |
if ( EXT == [] ) |
return gcd(P1,P2); |
return gcd(P1,P2); |
Line 818 def cr_gcda(P1,P2) |
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Line 846 def cr_gcda(P1,P2) |
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break; |
break; |
if ( J != length(DL) ) |
if ( J != length(DL) ) |
continue; |
continue; |
Ord = 2; NOSUGAR = 1; |
SpOrd = 2; NOSUGAR = 1; |
T = ag_mod(G1 % MOD,G2 % MOD,ML,VL,MOD); |
T = ag_mod(G1 % MOD,G2 % MOD,ML,VL,MOD); |
if ( dp_gr_print() ) |
if ( dp_gr_print() ) |
print("."); |
print("."); |
Line 1032 def ag_mod(F1,F2,D,VL,MOD) |
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Line 1060 def ag_mod(F1,F2,D,VL,MOD) |
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VL = cons(V,VL); B = append([F1,F2],D); N = length(VL); |
VL = cons(V,VL); B = append([F1,F2],D); N = length(VL); |
while ( 1 ) { |
while ( 1 ) { |
FLAGS = dp_gr_flags(); dp_gr_flags(["Reverse",1,"NoSugar",1]); |
FLAGS = dp_gr_flags(); dp_gr_flags(["Reverse",1,"NoSugar",1]); |
G = dp_gr_mod_main(B,VL,0,MOD,Ord); |
G = dp_gr_mod_main(B,VL,0,MOD,SpOrd); |
dp_gr_flags(FLAGS); |
dp_gr_flags(FLAGS); |
if ( length(G) == 1 ) |
if ( length(G) == 1 ) |
return 1; |
return 1; |
Line 1266 def ag_mod_single6(F1,F2,D,MOD) |
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Line 1294 def ag_mod_single6(F1,F2,D,MOD) |
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def inverse_by_gr_mod(C,D,MOD) |
def inverse_by_gr_mod(C,D,MOD) |
{ |
{ |
Ord = 2; |
SpOrd = 2; |
dp_gr_flags(["NoSugar",1]); |
dp_gr_flags(["NoSugar",1]); |
G = dp_gr_mod_main(cons(x*C-1,D),cons(x,vars(D)),0,MOD,Ord); |
G = dp_gr_mod_main(cons(x*C-1,D),cons(x,vars(D)),0,MOD,SpOrd); |
dp_gr_flags(["NoSugar",0]); |
dp_gr_flags(["NoSugar",0]); |
if ( length(G) == 1 ) |
if ( length(G) == 1 ) |
return 1; |
return 1; |
Line 1356 def resfctr_mod(F,L,M) |
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Line 1384 def resfctr_mod(F,L,M) |
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C = res(var(MP),B,MP) % M; |
C = res(var(MP),B,MP) % M; |
R = cons(flatten(cdr(modfctr(C,M))),R); |
R = cons(flatten(cdr(modfctr(C,M))),R); |
} |
} |
return R; |
return reverse(R); |
} |
} |
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def flatten(L) |
def flatten(L) |