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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 346 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 353 of file tgb_internal.h.

354  {
355  this->p=pp;
356  this->reducer_deg=pp_reducer_deg;
357  assume(pp_len==pLength(pp));
358  this->p_len=pp_len;
359  this->c=pp_c;
360  }
CanonicalForm pp(const CanonicalForm &)
CanonicalForm pp ( const CanonicalForm & f )
Definition: cf_gcd.cc:676
slimgb_alg * c
Definition: tgb_internal.h:343
#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 4969 of file tgb.cc.

4970 {
4971  if(fill_back != NULL)
4972  {
4974  }
4975  fill_back = NULL;
4976 }
kBucket_pt fill_back
Definition: tgb_internal.h:350
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 4929 of file tgb.cc.

4930 {
4931  number coef;
4932 #ifdef HAVE_PLURAL
4933  if(c->nc)
4934  nc_kBucketPolyRed_Z (ro.bucket, p, &coef);
4935  else
4936 #endif
4937  coef = kBucketPolyRed (ro.bucket, p, p_len, c->strat->kNoether);
4938  nDelete (&coef);
4939 }
kBucket_pt bucket
Definition: tgb_internal.h:298
poly kNoether
Definition: kutil.h:331
BOOLEAN nc
Definition: tgb_internal.h:271
kStrategy strat
Definition: tgb_internal.h:221
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 5090 of file tgb.cc.

5091 {
5092 }

◆ 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 4941 of file tgb.cc.

4942 {
4943  this->pre_reduce (r, l, u);
4944  int i;
4945 //debug start
4946 
4947  if(c->eliminationProblem)
4948  {
4949  assume (p_LmEqual (r[l].p, r[u].p, c->r));
4950  /*int lm_deg=pTotaldegree(r[l].p);
4951  reducer_deg=lm_deg+pTotaldegree_full(p)-pTotaldegree(p); */
4952  }
4953 
4954  for(i = l; i <= u; i++)
4955  {
4956  this->do_reduce (r[i]);
4957  }
4958  for(i = l; i <= u; i++)
4959  {
4960  kBucketSimpleContent (r[i].bucket);
4961  r[i].validate ();
4962  }
4963 }
int l
Definition: cfEzgcd.cc:100
int i
Definition: cfEzgcd.cc:132
void validate()
Definition: tgb.cc:4910
virtual void pre_reduce(red_object *r, int l, int u)
Definition: tgb.cc:5090
virtual void do_reduce(red_object &ro)
Definition: tgb.cc:4929
BOOLEAN eliminationProblem
Definition: tgb_internal.h:269
void kBucketSimpleContent(kBucket_pt bucket)
Definition: kbuckets.cc:1209
#define p_LmEqual(p1, p2, r)
Definition: p_polys.h:1691

Field Documentation

◆ fill_back

kBucket_pt simple_reducer::fill_back

Definition at line 350 of file tgb_internal.h.

◆ p

poly simple_reducer::p

Definition at line 349 of file tgb_internal.h.

◆ p_len

int simple_reducer::p_len

Definition at line 351 of file tgb_internal.h.

◆ reducer_deg

int simple_reducer::reducer_deg

Definition at line 352 of file tgb_internal.h.


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