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shiftgb.cc File Reference

Go to the source code of this file.

Functions

poly p_LPCopyAndShiftLM (poly p, int sh, const ring r)
 
int p_mLPmaxPossibleShift (poly p, const ring r)
 

Function Documentation

◆ p_LPCopyAndShiftLM()

poly p_LPCopyAndShiftLM ( poly p,
int sh,
const ring r )

Definition at line 35 of file shiftgb.cc.

36{
37 if (sh == 0 || p == NULL) return p;
38
39 poly q = p_Head(p, r);
40 p_mLPshift(q, sh, r);
41 pNext(q) = pNext(p);
42 return q;
43}
int p
Definition cfModGcd.cc:4086
#define pNext(p)
Definition monomials.h:36
#define NULL
Definition omList.c:12
static poly p_Head(const poly p, const ring r)
copy the (leading) term of p
Definition p_polys.h:862
void p_mLPshift(poly m, int sh, const ring ri)
Definition shiftop.cc:362

◆ p_mLPmaxPossibleShift()

int p_mLPmaxPossibleShift ( poly p,
const ring r )

Definition at line 45 of file shiftgb.cc.

46{
47 int lastBlock = p_mLastVblock(p, r);
48 if (lastBlock == 0) return 0;
49 int uptodeg = r->N/r->isLPring;
50 return uptodeg - lastBlock;
51}
int p_mLastVblock(poly p, const ring ri)
Definition shiftop.cc:421