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ideals.cpp
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ideals.cpp
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#include "ideals.h"
auto id_sres_helper(sip_sideal * m, int n, ring R)
{
auto origin = currRing;
rChangeCurrRing(R);
syStrategy s = sySchreyer(m, n);
rChangeCurrRing(origin);
auto r = s->minres;
bool minimal = true;
if (r == NULL) {
r = s->fullres;
minimal = false;
}
return std::make_tuple(s, minimal);
}
auto id_fres_helper(sip_sideal * I, int n, std::string method, ring R)
{
auto origin = currRing;
rChangeCurrRing(R);
syStrategy s = syFrank(I, n, method.c_str());
rChangeCurrRing(origin);
auto r = s->minres;
bool minimal = true;
if (r == NULL) {
r = s->fullres;
minimal = false;
}
return std::make_tuple(s, minimal);
}
ideal id_Syzygies_internal(ideal m, ring o)
{
ideal id = NULL;
intvec * n = NULL;
tHomog h = testHomog;
const ring origin = currRing;
rChangeCurrRing(o);
id = idSyzygies(m, h, &n);
rChangeCurrRing(origin);
if (n != NULL)
delete n;
return id;
}
auto id_Slimgb_helper(ideal a, ring b, bool complete_reduction = false)
{
// bool complete_reduction= false;
unsigned int crbit;
if (complete_reduction)
auto crbit = Sy_bit(OPT_REDSB);
else
crbit = 0;
ideal id = NULL;
if (!idIs0(a)) {
intvec * n = NULL;
tHomog h = testHomog;
const ring origin = currRing;
unsigned int save_opt = si_opt_1;
si_opt_1 |= crbit;
rChangeCurrRing(b);
id = t_rep_gb(b, a, a->rank);
si_opt_1 = save_opt;
rChangeCurrRing(origin);
if (n != NULL)
delete n;
}
else
id = idInit(0, a->rank);
return id;
}
auto id_StdHilb_helper(ideal a, ring b, jlcxx::ArrayRef<int> h, bool complete_reduction = false)
{
int sz = h.size();
intvec * hilb = new intvec(sz);
int * hi = hilb->ivGetVec();
for (int i=0; i< sz; i++) {
hi[i] = h[i];
}
unsigned int crbit;
if (complete_reduction)
crbit = Sy_bit(OPT_REDSB);
else
crbit = 0;
ideal id = NULL;
if (!idIs0(a)) {
intvec * n = NULL;
tHomog h = testHomog;
const ring origin = currRing;
unsigned int save_opt = si_opt_1;
si_opt_1 |= crbit;
rChangeCurrRing(b);
id = kStd(a, b->qideal, h, &n, hilb );
si_opt_1 = save_opt;
rChangeCurrRing(origin);
if (n != NULL)
delete n;
}
else
id = idInit(0, a->rank);
return id;
}
auto id_Std_helper(ideal a, ring b, bool complete_reduction = false)
{
// bool complete_reduction= false;
unsigned int crbit;
if (complete_reduction)
crbit = Sy_bit(OPT_REDSB);
else
crbit = 0;
ideal id = NULL;
if (!idIs0(a)) {
intvec * n = NULL;
tHomog h = testHomog;
const ring origin = currRing;
unsigned int save_opt = si_opt_1;
si_opt_1 |= crbit;
rChangeCurrRing(b);
id = kStd(a, b->qideal, h, &n);
si_opt_1 = save_opt;
rChangeCurrRing(origin);
if (n != NULL)
delete n;
}
else
id = idInit(0, a->rank);
return id;
}
void singular_define_ideals(jlcxx::Module & Singular)
{
Singular.method("id_Delete",
[](ideal m, ring n) { return id_Delete(&m, n); });
Singular.method("id_Copy", &id_Copy);
Singular.method("idInit", &idInit);
Singular.method("setindex_internal",
[](ideal r, poly n, int o) { return r->m[o] = n; });
Singular.set_override_module(jl_base_module);
Singular.method("getindex",
[](ideal r, int o) { return (poly)(r->m[o]); });
Singular.unset_override_module();
Singular.method("idIs0", &idIs0);
Singular.method("id_IsConstant", &id_IsConstant);
Singular.method("id_IsZeroDim", &id_IsZeroDim);
Singular.method("idElem", &idElem);
Singular.method("id_Normalize", &id_Normalize);
Singular.method("id_Head", &id_Head);
Singular.method("id_MaxIdeal",
[](int m, ring n) { return id_MaxIdeal(m, n); });
Singular.method("id_Add", &id_Add);
Singular.method("id_Mult", &id_Mult);
Singular.method("id_Power", &id_Power);
Singular.method("id_IsEqual", [](ideal m, ideal n, ring o) {
return mp_Equal((ip_smatrix *)m, (ip_smatrix *)n, o);
});
Singular.method("id_FreeModule", &id_FreeModule);
Singular.method("idSkipZeroes", &idSkipZeroes);
Singular.method("ngens", [](ideal m) { return (int)IDELEMS(m); });
Singular.method("rank", [](ideal m) { return (int)m->rank; });
Singular.method("id_Quotient", [](ideal a, ideal b, bool c, ring d) {
const ring origin = currRing;
rChangeCurrRing(d);
ideal id = idQuot(a, b, c, TRUE);
rChangeCurrRing(origin);
return id;
});
Singular.method("id_Intersection", [](ideal a, ideal b, ring c) {
const ring origin = currRing;
rChangeCurrRing(c);
ideal id = idSect(a, b);
rChangeCurrRing(origin);
return id;
});
Singular.method("id_Syzygies", &id_Syzygies_internal);
Singular.method("id_sres", &id_sres_helper);
Singular.method("id_fres", &id_fres_helper);
Singular.method("id_Slimgb", &id_Slimgb_helper);
Singular.method("id_Std", &id_Std_helper);
Singular.method("id_StdHilb", &id_StdHilb_helper);
Singular.method("id_Eliminate", [](ideal m, poly p, ring o) {
const ring origin = currRing;
rChangeCurrRing(o);
ideal res = idElimination(m, p);
rChangeCurrRing(origin);
return res;
});
Singular.method("id_Lift", [](ideal m, ideal sm, ring o) {
const ring origin = currRing;
rChangeCurrRing(o);
ideal rest;
ideal res = idLift(m, sm, &rest, FALSE, FALSE);
rChangeCurrRing(origin);
return std::make_tuple(res, rest);
});
Singular.method("id_LiftStd", [](ideal m, ring o, bool complete_reduction = false) {
const ring origin = currRing;
rChangeCurrRing(o);
matrix ma=mpNew(1,1);
unsigned int crbit;
if (complete_reduction)
crbit = Sy_bit(OPT_REDSB);
else
crbit = 0;
unsigned int save_opt = si_opt_1;
si_opt_1 |= crbit;
ideal res = idLiftStd(m, &ma, testHomog, NULL);
si_opt_1 = save_opt;
rChangeCurrRing(origin);
return std::make_tuple(res, ma);
});
Singular.method("id_LiftStdSyz", [](ideal m, ring o, bool complete_reduction = false) {
const ring origin = currRing;
rChangeCurrRing(o);
matrix ma=mpNew(1,1);
ideal syz=idInit(1,1);
unsigned int crbit;
if (complete_reduction)
crbit = Sy_bit(OPT_REDSB);
else
crbit = 0;
unsigned int save_opt = si_opt_1;
si_opt_1 |= crbit;
ideal res = idLiftStd(m, &ma, testHomog, &syz);
si_opt_1 = save_opt;
rChangeCurrRing(origin);
return std::make_tuple(res, ma, syz);
});
Singular.method("id_Modulo", [](ideal a, ideal b, ring o) {
const ring origin = currRing;
rChangeCurrRing(o);
ideal res = idModulo(a, b, testHomog);
rChangeCurrRing(origin);
return res;
});
Singular.method("id_Satstd", &id_Satstd);
Singular.method("id_Array2Vector", [](void * p, int a, ring o) {
return id_Array2Vector(reinterpret_cast<poly *>(p), a, o);
});
Singular.method("p_Vector2Array", [](poly p, void * a, int b, ring o) {
p_Vec2Array(p, reinterpret_cast<poly *>(a), b, o);
});
Singular.method("internal_void_to_poly_helper",
[](void * p) { return reinterpret_cast<poly>(p); });
Singular.method(
"maGetPreimage", [](ring trgt, ideal a, ideal b, ring src) {
sip_smap sing_map = {a->m, (char *)"julia_ring", 1, a->ncols};
return maGetPreimage(trgt, &sing_map, b, src);
});
Singular.method("id_Jet", [](ideal I, int n, ring r) {
ideal res = id_Jet(I, n, r);
return res;
});
Singular.method("id_vdim", [](ideal I, ring r) {
const ring origin = currRing;
rChangeCurrRing(r);
int n=scMult0Int(I, r->qideal);
rChangeCurrRing(origin);
return n;
});
Singular.method("id_kbase", [](ideal I, ring r) {
ideal res;
const ring origin = currRing;
rChangeCurrRing(r);
res = scKBase(-1, I, r->qideal);
rChangeCurrRing(origin);
return res;
});
Singular.method("id_highcorner", [](ideal I, ring r) {
poly h;
const ring origin = currRing;
rChangeCurrRing(r);
h = iiHighCorner(I, 0);
rChangeCurrRing(origin);
return h;
});
Singular.method("maMapIdeal", [](ideal map_id, ring pr, ideal im_id,
ring im, void * cf_map) {
const ring origin = currRing;
rChangeCurrRing(pr);
ideal I = maMapIdeal(map_id, pr, im_id, im, reinterpret_cast<nMapFunc>(cf_map));
rChangeCurrRing(origin);
return I;
});
Singular.method("idMinBase", [](ideal I, ring r) {
const ring origin = currRing;
rChangeCurrRing(r);
ideal J = idMinBase(I);
rChangeCurrRing(origin);
return J;
});
Singular.method("scIndIndset", [](ideal I, ring r, jlcxx::ArrayRef<int> a, bool all) {
const ring origin = currRing;
rChangeCurrRing(r);
lists L = scIndIndset(I, all, r->qideal);
int n = rVar(r);
int m = lSize(L);
if(all == true && m >= 0)
{
for(int i = 0; i<=m; i++)
{
intvec * v = reinterpret_cast<intvec *>(L->m[i].data);
int * content = v->ivGetVec();
for(int j = 0; j < n; j++)
{
a.push_back(content[j]);
}
}
}
else if(all == false && m >= 0)
{
intvec * v = reinterpret_cast<intvec *>(L->m[0].data);
int * content = v->ivGetVec();
for(int j = 0; j < n; j++)
{
a.push_back(content[j]);
}
}
rChangeCurrRing(origin);
});
Singular.method("scDimInt", [](ideal I, ring R) {
const ring origin = currRing;
rChangeCurrRing(R);
int k = scDimInt(I, R->qideal);
rChangeCurrRing(origin);
return k;
});
Singular.method("fglmzero", [](ideal Isrc, ring Rsrc, ring Rdest ) {
const ring origin = currRing;
rChangeCurrRing(Rdest);
ideal Idest = NULL;
bool c = fglmzero(Rsrc, Isrc, Rdest, Idest, FALSE, FALSE);
rChangeCurrRing(origin);
return Idest;
});
Singular.method("scHilb", [](ideal I, ring r, jlcxx::ArrayRef<int> a) {
const ring origin = currRing;
rChangeCurrRing(r);
intvec *v=hFirstSeries(I,NULL,r->qideal);
int * content = v->ivGetVec();
for(int j = 0; j < v->length(); j++)
{
a.push_back(content[j]);
}
rChangeCurrRing(origin);
});
}