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Public Member Functions | Data Fields
simple_reducer Class Reference

#include <tgb_internal.h>

Public Member Functions

 simple_reducer (poly pp, int pp_len, int pp_reducer_deg, slimgb_alg *pp_c=NULL)
 
virtual void pre_reduce (red_object *r, int l, int u)
 
virtual void reduce (red_object *r, int l, int u)
 we assume hat all occuring red_objects have same lm, and all occ. lm's in r[l...u] are the same, only reductor does not occur More...
 
 ~simple_reducer ()
 
virtual void do_reduce (red_object &ro)
 
- Public Member Functions inherited from reduction_step
virtual ~reduction_step ()
 

Data Fields

poly p
 
kBucket_pt fill_back
 
int p_len
 
int reducer_deg
 
- Data Fields inherited from reduction_step
slimgb_algc
 
int reduction_id
 

Detailed Description

Definition at line 342 of file tgb_internal.h.

Constructor & Destructor Documentation

◆ simple_reducer()

simple_reducer::simple_reducer ( poly  pp,
int  pp_len,
int  pp_reducer_deg,
slimgb_alg pp_c = NULL 
)
inline

Definition at line 349 of file tgb_internal.h.

350  {
351  this->p=pp;
352  this->reducer_deg=pp_reducer_deg;
353  assume(pp_len==(int)pLength(pp));
354  this->p_len=pp_len;
355  this->c=pp_c;
356  }
CanonicalForm FACTORY_PUBLIC pp(const CanonicalForm &)
CanonicalForm pp ( const CanonicalForm & f )
Definition: cf_gcd.cc:676
slimgb_alg * c
Definition: tgb_internal.h:339
#define assume(x)
Definition: mod2.h:387
static unsigned pLength(poly a)
Definition: p_polys.h:191

◆ ~simple_reducer()

simple_reducer::~simple_reducer ( )

Definition at line 4927 of file tgb.cc.

4928 {
4929  if(fill_back != NULL)
4930  {
4932  }
4933  fill_back = NULL;
4934 }
kBucket_pt fill_back
Definition: tgb_internal.h:346
void kBucketInit(kBucket_pt bucket, poly lm, int length)
Definition: kbuckets.cc:493
#define NULL
Definition: omList.c:12

Member Function Documentation

◆ do_reduce()

void simple_reducer::do_reduce ( red_object ro)
virtual

Definition at line 4887 of file tgb.cc.

4888 {
4889  number coef;
4890 #ifdef HAVE_PLURAL
4891  if(c->nc)
4892  nc_kBucketPolyRed_Z (ro.bucket, p, &coef);
4893  else
4894 #endif
4895  coef = kBucketPolyRed (ro.bucket, p, p_len, c->strat->kNoether);
4896  nDelete (&coef);
4897 }
kBucket_pt bucket
Definition: tgb_internal.h:294
poly kNoether
Definition: kutil.h:329
BOOLEAN nc
Definition: tgb_internal.h:267
kStrategy strat
Definition: tgb_internal.h:220
number kBucketPolyRed(kBucket_pt bucket, poly p1, int l1, poly spNoether)
Definition: kbuckets.cc:1085
static void nc_kBucketPolyRed_Z(kBucket_pt b, poly p, number *c)
Definition: nc.h:286
#define nDelete(n)
Definition: numbers.h:16

◆ pre_reduce()

void simple_reducer::pre_reduce ( red_object r,
int  l,
int  u 
)
virtual

Definition at line 5048 of file tgb.cc.

5049 {
5050 }

◆ reduce()

void simple_reducer::reduce ( red_object r,
int  l,
int  u 
)
virtual

we assume hat all occuring red_objects have same lm, and all occ. lm's in r[l...u] are the same, only reductor does not occur

Reimplemented from reduction_step.

Definition at line 4899 of file tgb.cc.

4900 {
4901  this->pre_reduce (r, l, u);
4902  int i;
4903 //debug start
4904 
4905  if(c->eliminationProblem)
4906  {
4907  assume (p_LmEqual (r[l].p, r[u].p, c->r));
4908  /*int lm_deg=pTotaldegree(r[l].p);
4909  reducer_deg=lm_deg+pTotaldegree_full(p)-pTotaldegree(p); */
4910  }
4911 
4912  for(i = l; i <= u; i++)
4913  {
4914  this->do_reduce (r[i]);
4915  }
4916  for(i = l; i <= u; i++)
4917  {
4918  kBucketSimpleContent (r[i].bucket);
4919  r[i].validate ();
4920  }
4921 }
int l
Definition: cfEzgcd.cc:100
int i
Definition: cfEzgcd.cc:132
void validate()
Definition: tgb.cc:4868
virtual void pre_reduce(red_object *r, int l, int u)
Definition: tgb.cc:5048
virtual void do_reduce(red_object &ro)
Definition: tgb.cc:4887
BOOLEAN eliminationProblem
Definition: tgb_internal.h:265
void kBucketSimpleContent(kBucket_pt bucket)
Definition: kbuckets.cc:1210
#define p_LmEqual(p1, p2, r)
Definition: p_polys.h:1731

Field Documentation

◆ fill_back

kBucket_pt simple_reducer::fill_back

Definition at line 346 of file tgb_internal.h.

◆ p

poly simple_reducer::p

Definition at line 345 of file tgb_internal.h.

◆ p_len

int simple_reducer::p_len

Definition at line 347 of file tgb_internal.h.

◆ reducer_deg

int simple_reducer::reducer_deg

Definition at line 348 of file tgb_internal.h.


The documentation for this class was generated from the following files: