OpenXM_contrib2/asir2000/lib/sp - diff

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version 1.8, 2000/08/22 05:04:23

version 1.9, 2001/10/12 06:07:05

Line 45

* DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,

* PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.

* $OpenXM: OpenXM_contrib2/asir2000/lib/sp,v 1.7 2000/08/21 08:31:43 noro Exp $

* $OpenXM: OpenXM_contrib2/asir2000/lib/sp,v 1.8 2000/08/22 05:04:23 noro Exp $

sp : functions related to algebraic number fields

Revision History:

2001/10/12 noro if USE_PARI_FACTOR is nonzero, pari factor is called

2000/03/10 noro fixed several bugs around gathering algebraic numbers

1999/08/24 noro modified for 1999 release version

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Line 61

extern ASCENT,GCDTIME,UFTIME,RESTIME,SQTIME,PRINT$

extern Ord$

extern USE_PARI_FACTOR$

def sp(P)

{

Line 592 def simpcoef(P) {

Line 594 def simpcoef(P) {

}

def ufctrhint_heuristic(P,HINT,PP,SHIFT) {

if ( USE_PARI_FACTOR )

return pari_ufctr(P);

else

return asir_ufctrhint_heuristic(P,HINT,PP,SHIFT);

}

def pari_ufctr(P) {

F = pari(factor,P);

S = size(F);

for ( I = S[0]-1, R = []; I >= 0; I-- )

R = cons(vtol(F[I]),R);

return cons([1,1],R);

}

def asir_ufctrhint_heuristic(P,HINT,PP,SHIFT) {

V = var(P); D = deg(P,V);

if ( D == HINT )

return [[P,1]];