14 #include "factory/factory.h"
28 #define TRANSEXT_PRIVATES
61 #if __FLINT_RELEASE >= 20503
65 if (!convSingRFlintR(ctx,r))
75 if (!convSingRFlintR(ctx,r))
98 else if ( r->cf->extRing!=
NULL )
102 if (r->cf->extRing->qideal!=
NULL)
214 else if ( r->cf->extRing )
218 if (r->cf->extRing->qideal!=
NULL)
317 WerrorS(
"3rd argument must be a ring variable");
318 goto resultant_returns_res;
321 goto resultant_returns_res;
332 goto resultant_returns_res;
335 else if (r->cf->extRing!=
NULL)
340 if (r->cf->extRing->qideal!=
NULL)
385 goto resultant_returns_res;
389 resultant_returns_res:
483 else if ( r->cf->extRing!=
NULL )
488 if (r->cf->extRing->qideal!=
NULL)
555 else if (r->cf->extRing!=
NULL)
559 if (r->cf->extRing->qideal!=
NULL)
581 res = convFactoryGFSingGF( F *
G );
595 #if __FLINT_RELEASE >= 20503
602 nmod_mpoly_ctx_t ctx;
603 if (!convSingRFlintR(ctx,r))
605 res = Flint_Divide_MP(
f,0,
g,0,ctx,r);
613 fmpq_mpoly_ctx_t ctx;
614 if (!convSingRFlintR(ctx,r))
616 res = Flint_Divide_MP(
f,0,
g,0,ctx,r);
633 else if (r->cf->extRing!=
NULL)
637 if (r->cf->extRing->qideal!=
NULL)
659 res = convFactoryGFSingGF( F /
G );
683 else if (r->cf->extRing!=
NULL)
687 if (r->cf->extRing->qideal!=
NULL)
715 res = convFactoryGFSingGF( F /
G );
726 void singclap_divide_content ( poly
f,
const ring r )
755 int sz1=
n_Size(g1, r->cf);
756 int sz2=
n_Size(g2, r->cf);
789 while ( (
p !=
NULL) && (
g != 1) && (
g != 0))
798 if ((
g == 1 ) || (
g == 0))
831 #ifdef FACTORIZE2_DEBUG
844 else if (r->cf->extRing!=
NULL)
846 if (r->cf->extRing->qideal!=
NULL)
878 else if (r->cf->extRing!=
NULL)
880 if (r->cf->extRing->qideal!=
NULL)
896 if (r->cf->extRing!=
NULL)
897 if (r->cf->extRing->qideal!=
NULL)
918 #ifdef FACTORIZE2_DEBUG
946 if (with_exps==0) n++;
979 if (with_exps!=1) (**v)[n]=e;
1046 else if (r->cf->extRing!=
NULL)
1051 if (r->cf->extRing->qideal!=
NULL)
1082 if ( ! L.
getFirst().factor().inCoeffDomain() )
1091 if ((with_exps==2)&&(n>1))
1101 if (with_exps!=1) (**v)[
j] = J.
getItem().exp();
1110 res->m[
j] = convFactoryGFSingGF( J.
getItem().factor() );
1112 else if (r->cf->extRing!=
NULL)
1118 if (r->cf->extRing->qideal==
NULL)
1146 if (r->cf->extRing!=
NULL)
1147 if (r->cf->extRing->qideal!=
NULL)
1156 #ifdef FACTORIZE2_DEBUG
1157 printf(
"factorize_retry\n");
1163 int l=(*v)->length();
1165 for(jj=0;jj<ww->
length();jj++)
1166 (**
v)[jj+
l]=(*ww)[jj];
1171 hh->m[jj]=
res->m[jj];
1187 WarnS(
"problem with factorize");
1251 (**v)[
j]=(*w)[
i];
j++;
1267 if (with_exps!=0) stop=0;
1273 else n_Delete(&old_lead_coeff,r->cf);
1283 if ((
v!=
NULL) && ((*
v)!=
NULL) &&(with_exps==2))
1307 #ifdef FACTORIZE2_DEBUG
1321 if (with_exps!=1 && with_exps!=3)
1335 if (with_exps==0 || with_exps==3) n++;
1360 if (with_exps!=1) (**v)[n]=e;
1380 number n0=
n_Copy(old_lead_coeff,r->cf);
1381 if (with_exps==0 || with_exps==3)
1388 if (with_exps==0 || with_exps==3)
1399 number n0=
n_Copy(old_lead_coeff,r->cf);
1400 if (with_exps==0 || with_exps==3)
1406 if (with_exps==0 || with_exps==3)
1420 else if (r->cf->extRing!=
NULL)
1424 if (r->cf->extRing->qideal!=
NULL)
1466 if ((with_exps==2)&&(n>1))
1473 else if (L.
getFirst().factor().inCoeffDomain() && with_exps!=3)
1481 if (with_exps!=1 && with_exps!=3) (**v)[
j] = J.
getItem().exp();
1485 else if (r->cf->extRing!=
NULL)
1487 if (r->cf->extRing->qideal==
NULL)
1504 if (r->cf->extRing!=
NULL)
1505 if (r->cf->extRing->qideal!=
NULL)
1511 if (with_exps!=0 || with_exps==3) stop=0;
1516 if (with_exps==0 || with_exps==3)
p_SetCoeff(
res->m[0],old_lead_coeff,r);
1517 else n_Delete(&old_lead_coeff,r->cf);
1597 for ( LLi = LL; LLi.
hasItem(); LLi++ )
1601 if ((
m!=0) && (n!=0))
break;
1603 if (tries>=5)
break;
1605 if ((
m==0) || (n==0))
1607 Warn(
"char_series returns %d x %d matrix from %d input polys (%d)",
1615 for (
m=1, LLi = LL; LLi.
hasItem(); LLi++,
m++ )
1678 int cnt=
rVar(r)+offs;
1719 if (
s[strlen(
s)-1]==
',')
s[strlen(
s)-1]=
'\0';
1728 Werror(
"det of %d x %d matrix",r,
m->cols());
1753 for(
i=
m->rows();
i>0;
i--)
1755 for(
j=
m->cols();
j>0;
j--)
1770 for(
i=
m->rows();
i>0;
i--)
1772 for(
j=
m->cols();
j>0;
j--)
1782 #if defined(HAVE_NTL) || defined(AHVE_FLINT)
1788 Werror(
"HNF of %d x %d matrix",r,
m->cols());
1824 Werror(
"HNF of %d x %d matrix",r,
m->cols());
1855 Werror(
"HNF of %d x %d matrix",r,
b->cols());
1962 #if defined(HAVE_NTL) || defined(HAVE_FLINT)
1988 int n= absFactors.
length();
2028 numFactors +=
count;
2042 WerrorS(
"NTL/FLINT missing: absFactorize");
static int si_max(const int a, const int b)
static int si_min(const int a, const int b)
bigintmat * bimCopy(const bigintmat *b)
same as copy constructor - apart from it being able to accept NULL as input
#define BIMATELEM(M, I, J)
ListCFList irrCharSeries(const CFList &PS)
irreducible characteristic series
IntList neworderint(const CFList &PolyList)
const CanonicalForm CFMap CFMap & N
CanonicalForm extgcd(const CanonicalForm &f, const CanonicalForm &g, CanonicalForm &a, CanonicalForm &b)
CanonicalForm extgcd ( const CanonicalForm & f, const CanonicalForm & g, CanonicalForm & a,...
CanonicalForm bCommonDen(const CanonicalForm &f)
CanonicalForm bCommonDen ( const CanonicalForm & f )
CanonicalForm FACTORY_PUBLIC determinant(const CFMatrix &M, int n)
CFFList FACTORY_PUBLIC sqrFree(const CanonicalForm &f, bool sort=false)
squarefree factorization
CFFList FACTORY_PUBLIC factorize(const CanonicalForm &f, bool issqrfree=false)
factorization over or
CanonicalForm FACTORY_PUBLIC resultant(const CanonicalForm &f, const CanonicalForm &g, const Variable &x)
CanonicalForm resultant ( const CanonicalForm & f, const CanonicalForm & g, const Variable & x )
static const int SW_USE_QGCD
set to 1 to use Encarnacion GCD over Q(a)
static const int SW_USE_EZGCD_P
set to 1 to use EZGCD over F_q
static const int SW_RATIONAL
set to 1 for computations over Q
static const int SW_SYMMETRIC_FF
set to 1 for symmetric representation over F_q
CFMatrix * cf_HNF(CFMatrix &A)
The input matrix A is an n x m matrix of rank m (so n >= m), and D is a multiple of the determinant o...
CFMatrix * cf_LLL(CFMatrix &A)
performs LLL reduction.
CanonicalForm convSingPFactoryP(poly p, const ring r)
BOOLEAN convSingTrP(poly p, const ring r)
poly convFactoryPSingTrP(const CanonicalForm &f, const ring r)
poly convFactoryAPSingAP(const CanonicalForm &f, const ring r)
CanonicalForm convSingAPFactoryAP(poly p, const Variable &a, const ring r)
poly convFactoryPSingP(const CanonicalForm &f, const ring r)
int convFactoryISingI(const CanonicalForm &f)
CanonicalForm convSingTrPFactoryP(poly p, const ring r)
poly singclap_resultant(poly f, poly g, poly x, const ring r)
char * singclap_neworder(ideal I, const ring r)
BOOLEAN count_Factors(ideal I, intvec *v, int j, poly &f, poly fac, const ring r)
matrix singntl_HNF(matrix m, const ring s)
poly singclap_pmod(poly f, poly g, const ring r)
ideal singclap_factorize(poly f, intvec **v, int with_exps, const ring r)
matrix singclap_irrCharSeries(ideal I, const ring r)
int pGetExp_Var(poly p, int i, const ring r)
VAR int singclap_factorize_retry
poly singclap_pdivide(poly f, poly g, const ring r)
void out_cf(const char *s1, const CanonicalForm &f, const char *s2)
BOOLEAN singclap_extgcd(poly f, poly g, poly &res, poly &pa, poly &pb, const ring r)
int * Zp_roots(poly p, const ring r)
poly singclap_det(const matrix m, const ring s)
poly singclap_gcd_and_divide(poly &f, poly &g, const ring r)
clears denominators of f and g, divides by gcd(f,g)
matrix singntl_LLL(matrix m, const ring s)
number singclap_det_bi(bigintmat *m, const coeffs cf)
poly singclap_pmult(poly f, poly g, const ring r)
poly singclap_gcd_r(poly f, poly g, const ring r)
int singclap_det_i(intvec *m, const ring)
ideal singclap_absFactorize(poly f, ideal &mipos, intvec **exps, int &numFactors, const ring r)
ideal singclap_sqrfree(poly f, intvec **v, int with_exps, const ring r)
factory's class for variables
Coefficient rings, fields and other domains suitable for Singular polynomials.
static FORCE_INLINE number n_Copy(number n, const coeffs r)
return a copy of 'n'
static FORCE_INLINE number n_Invers(number a, const coeffs r)
return the multiplicative inverse of 'a'; raise an error if 'a' is not invertible
CanonicalForm n_convSingNFactoryN(number n, BOOLEAN setChar, const coeffs r)
static FORCE_INLINE BOOLEAN n_GreaterZero(number n, const coeffs r)
ordered fields: TRUE iff 'n' is positive; in Z/pZ: TRUE iff 0 < m <= roundedBelow(p/2),...
static FORCE_INLINE number n_Div(number a, number b, const coeffs r)
return the quotient of 'a' and 'b', i.e., a/b; raises an error if 'b' is not invertible in r exceptio...
static FORCE_INLINE int n_Size(number n, const coeffs r)
return a non-negative measure for the complexity of n; return 0 only when n represents zero; (used fo...
number n_convFactoryNSingN(const CanonicalForm n, const coeffs r)
static FORCE_INLINE void n_Delete(number *p, const coeffs r)
delete 'p'
static FORCE_INLINE number n_Init(long i, const coeffs r)
a number representing i in the given coeff field/ring r
static FORCE_INLINE BOOLEAN n_IsOne(number n, const coeffs r)
TRUE iff 'n' represents the one element.
static FORCE_INLINE BOOLEAN nCoeff_is_transExt(const coeffs r)
TRUE iff r represents a transcendental extension field.
BOOLEAN pa(leftv res, leftv args)
BOOLEAN pb(leftv res, leftv args)
CFAFList absFactorize(const CanonicalForm &G)
absolute factorization of a multivariate poly over Q
const CanonicalForm int s
const Variable & v
< [in] a sqrfree bivariate poly
Variable FACTORY_PUBLIC rootOf(const CanonicalForm &, char name='@')
returns a symbolic root of polynomial with name name Use it to define algebraic variables
void FACTORY_PUBLIC prune(Variable &alpha)
void WerrorS(const char *s)
STATIC_VAR int nfMinPoly[16]
This file is work in progress and currently not part of the official Singular.
BOOLEAN idIs0(ideal h)
returns true if h is the zero ideal
#define IMATELEM(M, I, J)
intvec * ivCopy(const intvec *o)
matrix mpNew(int r, int c)
create a r x c zero-matrix
void iiWriteMatrix(matrix im, const char *n, int dim, const ring r, int spaces)
set spaces to zero by default
#define MATELEM(mat, i, j)
1-based access to matrix
static number & pGetCoeff(poly p)
return an alias to the leading coefficient of p assumes that p != NULL NOTE: not copy
The main handler for Singular numbers which are suitable for Singular polynomials.
CanonicalForm ndConvSingNFactoryN(number, BOOLEAN, const coeffs)
int p_IsPurePower(const poly p, const ring r)
return i, if head depends only on var(i)
void p_Cleardenom_n(poly ph, const ring r, number &c)
poly p_GcdMon(poly f, poly g, const ring r)
polynomial gcd for f=mon
void p_Content(poly ph, const ring r)
void p_Norm(poly p1, const ring r)
poly p_Div_mm(poly p, const poly m, const ring r)
divide polynomial by monomial
poly p_Cleardenom(poly p, const ring r)
poly p_Sub(poly p1, poly p2, const ring r)
poly p_NSet(number n, const ring r)
returns the poly representing the number n, destroys n
static poly p_Neg(poly p, const ring r)
static poly p_Add_q(poly p, poly q, const ring r)
static poly p_Mult_q(poly p, poly q, const ring r)
void p_Write(poly p, ring lmRing, ring tailRing)
static unsigned long p_SetExp(poly p, const unsigned long e, const unsigned long iBitmask, const int VarOffset)
set a single variable exponent @Note: VarOffset encodes the position in p->exp
static void p_Setm(poly p, const ring r)
static number p_SetCoeff(poly p, number n, ring r)
static long p_GetExp(const poly p, const unsigned long iBitmask, const int VarOffset)
get a single variable exponent @Note: the integer VarOffset encodes:
static BOOLEAN p_IsConstant(const poly p, const ring r)
static void p_Delete(poly *p, const ring r)
static unsigned pLength(poly a)
void p_Write0(poly p, ring lmRing, ring tailRing)
static poly pp_Mult_qq(poly p, poly q, const ring r)
static poly p_Copy(poly p, const ring r)
returns a copy of p
static long p_Totaldegree(poly p, const ring r)
#define __p_Mult_nn(p, n, r)
void p_wrp(poly p, ring lmRing, ring tailRing)
VAR ring currRing
Widely used global variable which specifies the current polynomial ring for Singular interpreter and ...
static long pTotaldegree(poly p)
std::pair< int, int > mark
void StringSetS(const char *st)
void StringAppendS(const char *st)
const char feNotImplemented[]
void PrintS(const char *s)
void Werror(const char *fmt,...)
static BOOLEAN rField_is_Zp_a(const ring r)
static BOOLEAN rField_is_Z(const ring r)
static BOOLEAN rField_is_Zp(const ring r)
static BOOLEAN rField_is_Zn(const ring r)
static int rPar(const ring r)
(r->cf->P)
static BOOLEAN rField_is_Q_a(const ring r)
static BOOLEAN rField_is_Q(const ring r)
static BOOLEAN rField_is_GF(const ring r)
static short rVar(const ring r)
#define rVar(r) (r->N)
int status int void size_t count
ideal idInit(int idsize, int rank)
initialise an ideal / module
void id_Delete(ideal *h, ring r)
deletes an ideal/module/matrix
void idShow(const ideal id, const ring lmRing, const ring tailRing, const int debugPrint)
void idSkipZeroes(ideal ide)
gives an ideal/module the minimal possible size