Functions
pp_Mult_mm__T.cc File Reference

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Functions

LINKAGE poly pp_Mult_mm__T (poly p, const poly m, const ring ri)
 

Function Documentation

◆ pp_Mult_mm__T()

LINKAGE poly pp_Mult_mm__T ( poly  p,
const poly  m,
const ring  ri 
)

Definition at line 17 of file pp_Mult_mm__T.cc.

18 {
19  p_Test(p, ri);
20  p_LmTest(m, ri);
21  if (p == NULL)
22  {
23  return NULL;
24  }
25  spolyrec rp;
26 #ifdef HAVE_ZERODIVISORS
27  rp.next = NULL;
28 #endif
29  poly q = &rp;
30  number ln = pGetCoeff(m);
31  omBin bin = ri->PolyBin;
32  DECLARE_LENGTH(const unsigned long length = ri->ExpL_Size);
33  const unsigned long* m_e = m->exp;
34  pAssume(!n_IsZero__T(ln,ri->cf));
35  pAssume1(p_GetComp(m, ri) == 0 || p_MaxComp(p, ri) == 0);
36  number tmp;
37 
38  do
39  {
40  tmp = n_Mult__T(ln, pGetCoeff(p), ri->cf);
41 #ifdef HAVE_ZERODIVISORS
42  if (! n_IsZero__T(tmp, ri->cf))
43  {
44 #endif
45  p_AllocBin( pNext(q), bin, ri);
46  q = pNext(q);
47  pSetCoeff0(q, tmp);
48  p_MemSum__T(q->exp, p->exp, m_e, length);
49  p_MemAddAdjust__T(q, ri);
50 #ifdef HAVE_ZERODIVISORS
51  }
52  else n_Delete__T(&tmp, ri->cf);
53 #endif
54  p = pNext(p);
55  }
56  while (p != NULL);
57  pNext(q) = NULL;
58 
59  p_Test(pNext(&rp), ri);
60  return pNext(&rp);
61 }
omBin_t * omBin
Definition: omStructs.h:12
#define pAssume(cond)
Definition: monomials.h:97
#define p_GetComp(p, r)
Definition: monomials.h:71
#define p_AllocBin(p, bin, r)
Definition: monomials.h:255
static number & pGetCoeff(poly p)
return an alias to the leading coefficient of p assumes that p != NULL NOTE: not copy ...
Definition: monomials.h:51
#define n_Delete__T(n, r)
Definition: p_polys.cc:4782
int m
Definition: cfEzgcd.cc:121
#define p_LmTest(p, r)
Definition: p_polys.h:164
#define p_Test(p, r)
Definition: p_polys.h:163
#define NULL
Definition: omList.c:10
static BOOLEAN length(leftv result, leftv arg)
Definition: interval.cc:267
#define pNext(p)
Definition: monomials.h:43
#define pSetCoeff0(p, n)
Definition: monomials.h:66
int p
Definition: cfModGcd.cc:4019
#define pAssume1(cond)
Definition: monomials.h:178
poly next
Definition: monomials.h:31
static long p_MaxComp(poly p, ring lmRing, ring tailRing)
Definition: p_polys.h:292