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fglmVectorRep Class Reference

Public Member Functions

 fglmVectorRep ()
 
 fglmVectorRep (int n, number *e)
 
 fglmVectorRep (int n)
 
 ~fglmVectorRep ()
 
fglmVectorRepclone () const
 
BOOLEAN deleteObject ()
 
fglmVectorRepcopyObject ()
 
int refcount () const
 
BOOLEAN isUnique () const
 
int size () const
 
int isZero () const
 
int numNonZeroElems () const
 
void setelem (int i, number n)
 
number ejectelem (int i, number n)
 
number & getelem (int i)
 
number getconstelem (int i) const
 

Private Attributes

int ref_count
 
int N
 
number * elems
 

Friends

class fglmVector
 

Detailed Description

Definition at line 29 of file fglmvec.cc.

Constructor & Destructor Documentation

◆ fglmVectorRep() [1/3]

fglmVectorRep::fglmVectorRep ( )
inline

Definition at line 36 of file fglmvec.cc.

36  :
37  fglmVectorRep ():ref_count (1), N (0), elems (0)
38  {

◆ fglmVectorRep() [2/3]

fglmVectorRep::fglmVectorRep ( int  n,
number *  e 
)
inline

Definition at line 39 of file fglmvec.cc.

40  :ref_count (1), N (n), elems (e)
41  {

◆ fglmVectorRep() [3/3]

fglmVectorRep::fglmVectorRep ( int  n)
inline

Definition at line 42 of file fglmvec.cc.

43  :ref_count (1), N (n)
44  {
45  fglmASSERT (N >= 0, "illegal Vector representation");
46  if(N == 0)
47  elems = 0;
48  else
49  {
50  elems = (number *) omAlloc (N * sizeof (number));
51  for(int i = N - 1; i >= 0; i--)
52  elems[i] = nInit (0);
53  }

◆ ~fglmVectorRep()

fglmVectorRep::~fglmVectorRep ( )
inline

Definition at line 54 of file fglmvec.cc.

56  {
57  if(N > 0)
58  {
59  for(int i = N - 1; i >= 0; i--)
60  nDelete (elems + i);
61  omFreeSize ((ADDRESS) elems, N * sizeof (number));
62  }

Member Function Documentation

◆ clone()

fglmVectorRep* fglmVectorRep::clone ( ) const
inline

Definition at line 64 of file fglmvec.cc.

66  {
67  if(N > 0)
68  {
69  number *elems_clone;
70  elems_clone = (number *) omAlloc (N * sizeof (number));
71  for(int i = N - 1; i >= 0; i--)
72  elems_clone[i] = nCopy (elems[i]);
73  return new fglmVectorRep (N, elems_clone);
74  }
75  else
76  return new fglmVectorRep (N, 0);

◆ copyObject()

fglmVectorRep* fglmVectorRep::copyObject ( )
inline

Definition at line 81 of file fglmvec.cc.

83  {
84  ref_count++;
85  return this;

◆ deleteObject()

BOOLEAN fglmVectorRep::deleteObject ( )
inline

Definition at line 77 of file fglmvec.cc.

79  {
80  return --ref_count == 0;

◆ ejectelem()

number fglmVectorRep::ejectelem ( int  i,
number  n 
)
inline

Definition at line 126 of file fglmvec.cc.

128  {
129  fglmASSERT (isUnique (), "should only be called if unique!");
130  number temp = elems[i - 1];
131  elems[i - 1] = n;
132  return temp;

◆ getconstelem()

number fglmVectorRep::getconstelem ( int  i) const
inline

Definition at line 138 of file fglmvec.cc.

140  {
141  fglmASSERT (0 < i && i <= N, "getconstelem: wrong index");
142  return elems[i - 1];

◆ getelem()

number& fglmVectorRep::getelem ( int  i)
inline

Definition at line 133 of file fglmvec.cc.

135  {
136  fglmASSERT (0 < i && i <= N, "getelem: wrong index");
137  return elems[i - 1];

◆ isUnique()

BOOLEAN fglmVectorRep::isUnique ( ) const
inline

Definition at line 90 of file fglmvec.cc.

92  {
93  return ref_count == 1;

◆ isZero()

int fglmVectorRep::isZero ( ) const
inline

Definition at line 99 of file fglmvec.cc.

101  {
102  int k;
103  for(k = N; k > 0; k--)
104  {
105  if(!nIsZero (getconstelem (k)))
106  return 0;
107  }
108  return 1;

◆ numNonZeroElems()

int fglmVectorRep::numNonZeroElems ( ) const
inline

Definition at line 109 of file fglmvec.cc.

111  {
112  int num = 0;
113  int k;
114  for(k = N; k > 0; k--)
115  {
116  if(!nIsZero (getconstelem (k)))
117  num++;
118  }
119  return num;

◆ refcount()

int fglmVectorRep::refcount ( ) const
inline

Definition at line 86 of file fglmvec.cc.

88  {
89  return ref_count;

◆ setelem()

void fglmVectorRep::setelem ( int  i,
number  n 
)
inline

Definition at line 120 of file fglmvec.cc.

122  {
123  fglmASSERT (0 < i && i <= N, "setelem: wrong index");
124  nDelete (elems + i - 1);
125  elems[i - 1] = n;

◆ size()

int fglmVectorRep::size ( ) const
inline

Definition at line 95 of file fglmvec.cc.

97  {
98  return N;

Friends And Related Function Documentation

◆ fglmVector

friend class fglmVector
friend

Definition at line 143 of file fglmvec.cc.

Field Documentation

◆ elems

number* fglmVectorRep::elems
private

Definition at line 34 of file fglmvec.cc.

◆ N

int fglmVectorRep::N
private

Definition at line 33 of file fglmvec.cc.

◆ ref_count

int fglmVectorRep::ref_count
private

Definition at line 32 of file fglmvec.cc.


The documentation for this class was generated from the following file:
k
int k
Definition: cfEzgcd.cc:92
fglmASSERT
#define fglmASSERT(ignore1, ignore2)
Definition: fglmvec.cc:27
ADDRESS
void * ADDRESS
Definition: auxiliary.h:135
num
CanonicalForm num(const CanonicalForm &f)
Definition: canonicalform.h:330
fglmVectorRep::getconstelem
number getconstelem(int i) const
Definition: fglmvec.cc:138
fglmVectorRep::ref_count
int ref_count
Definition: fglmvec.cc:32
i
int i
Definition: cfEzgcd.cc:125
omFreeSize
#define omFreeSize(addr, size)
Definition: omAllocDecl.h:258
fglmVectorRep::elems
number * elems
Definition: fglmvec.cc:34
omAlloc
#define omAlloc(size)
Definition: omAllocDecl.h:208
fglmVectorRep::isUnique
BOOLEAN isUnique() const
Definition: fglmvec.cc:90
nIsZero
#define nIsZero(n)
Definition: numbers.h:18
nDelete
#define nDelete(n)
Definition: numbers.h:15
nInit
#define nInit(i)
Definition: numbers.h:23
nCopy
#define nCopy(n)
Definition: numbers.h:14
fglmVectorRep::fglmVectorRep
fglmVectorRep()
Definition: fglmvec.cc:36
fglmVectorRep::N
int N
Definition: fglmvec.cc:33