intvec Class Reference

#include <intvec.h>

Public Member Functions
	intvec (int l=1)
	intvec (int s, int e)
	intvec (int r, int c, int init)
	intvec (const intvec *iv)
void	resize (int new_length)
int	range (int i) const
int	range (int i, int j) const
int &	operator[] (int i)
const int &	operator[] (int i) const
void	operator+= (int intop)
void	operator-= (int intop)
void	operator*= (int intop)
void	operator/= (int intop)
void	operator%= (int intop)
int	compare (const intvec *o) const
int	compare (int o) const
int	length () const
int	cols () const
int	rows () const
void	show (int mat=0, int spaces=0) const
void	makeVector ()
char *	String (int dim=2) const
char *	ivString (int not_mat=1, int spaces=0, int dim=2) const
	~intvec ()
void	ivTEST () const
int	min_in ()
int	max_in ()
intvec *	delete_pos (int p)
int *	ivGetVec () const
Public Member Functions inherited from omallocClass
void *	operator new (size_t size) throw (std::bad_alloc)
void	operator delete (void *block) throw ()
void *	operator new[] (size_t size) throw (std::bad_alloc)
void	operator delete[] (void *block) throw ()
void *	operator new (size_t size, const std::nothrow_t &) throw ()
void *	operator new[] (size_t size, const std::nothrow_t &) throw ()

Private Attributes
int *	v
int	row
int	col

Detailed Description

Definition at line 20 of file intvec.h.

Constructor & Destructor Documentation

intvec() [1/4]

intvec::intvec ( int l = 1 )

inline

Definition at line 31 of file intvec.h.

  {
    assume(l >= 0);
    if (l>0) v = (int *)omAlloc0(sizeof(int)*l);
    else     v = NULL;
    row = l;
    col = 1;
  }

intvec() [2/4]

intvec::intvec	(	int	s,
		int	e )

Definition at line 21 of file intvec.cc.

{
  int inc;
  col = 1;
  if (s<e)
  {
    row =  e-s+1;
    inc =  1;
  }
  else
  {
    row = s-e+1;
    inc = -1;
  }
  v = (int *)omAlloc(sizeof(int)*row);
  for (int i=0; i<row; i++)
  {
    v[i] = s;
    s+=inc;
  }
}

intvec() [3/4]

intvec::intvec	(	int	r,
		int	c,
		int	init )

Definition at line 43 of file intvec.cc.

{
  row = r;
  col = c;
  int l = r*c;
  if (l>0) /*(r>0) && (c>0) */
    v = (int *)omAlloc(sizeof(int)*l);
  else
    v = NULL;
  for (int i=0; i<l; i++)
  {
    v[i] = init;
  }
}

intvec() [4/4]

intvec::intvec ( const intvec * iv )

inline

Definition at line 41 of file intvec.h.

  {
    assume( iv != NULL );
    row = iv->rows();
    col = iv->cols();
    assume(row >= 0);
    assume(col >= 0);
    if (row*col>0)
    {
      v   = (int *)omAlloc(sizeof(int)*row*col);
      for (int i=row*col-1;i>=0; i--)
      {
        v[i] = (*iv)[i];
      }
    }
    else v=NULL;
  }

~intvec()

intvec::~intvec ( )

inline

Definition at line 106 of file intvec.h.

    {
      assume(row>=0);
      assume(col>=0);
      if (v!=NULL)
      {
        omFreeSize((ADDRESS)v,sizeof(int)*row*col);
        v=NULL;
      }
    }

Member Function Documentation

cols()

int intvec::cols ( ) const

inline

Definition at line 96 of file intvec.h.

{ return col; }

compare() [1/2]

int intvec::compare

(

const intvec *

o

)

const

Definition at line 206 of file intvec.cc.

{
  if ((col!=1) ||(op->cols()!=1))
  {
    if((col!=op->cols())
    || (row!=op->rows()))
      return -2;
  }
  int i;
  for (i=0; i<si_min(length(),op->length()); i++)
  {
    if (v[i] > (*op)[i])
      return 1;
    if (v[i] < (*op)[i])
      return -1;
  }
  // this can only happen for intvec: (i.e. col==1)
  for (; i<row; i++)
  {
    if (v[i] > 0)
      return 1;
    if (v[i] < 0)
      return -1;
  }
  for (; i<op->rows(); i++)
  {
    if (0 > (*op)[i])
      return 1;
    if (0 < (*op)[i])
      return -1;
  }
  return 0;
}

compare() [2/2]

int intvec::compare

(

int

o

)

const

Definition at line 239 of file intvec.cc.

{
  for (int i=0; i<row*col; i++)
  {
    if (v[i] <o) return -1;
    if (v[i] >o) return 1;
  }
  return 0;
}

delete_pos()

intvec * intvec::delete_pos

(

int

p

)

Definition at line 842 of file intvec.cc.

{
  if (!range(p)) return NULL;
  intvec *iv=new intvec(rows()-1);
  for(int i=0;i<p;i++) (*iv)[i]=v[i];
  for(int i=p+1;i<rows();i++) (*iv)[i-1]=v[i];
  return iv;
}

ivGetVec()

int * intvec::ivGetVec ( ) const

inline

Definition at line 144 of file intvec.h.

{ return v; }

ivString()

char * intvec::ivString	(	int	not_mat = 1,
		int	spaces = 0,
		int	dim = 2 ) const

Definition at line 58 of file intvec.cc.

{
  //Print("ivString:this=%x,v=%x,row=%d\n",this,v,row);
#ifndef OM_NDEBUG
  omCheckAddr((void *)this);
  if (v!=NULL) omCheckAddr((void *)v);
#endif
  StringSetS("");
  if ((col == 1)&&(not_mat))
  {
    int i=0;
    for (; i<row-1; i++)
    {
      StringAppend("%d,",v[i]);
    }
    if (i<row)
    {
      StringAppend("%d",v[i]);
    }
  }
  else
  {
    for (int j=0; j<row; j++)
    {
      if (j<row-1)
      {
        for (int i=0; i<col; i++)
        {
          StringAppend("%d%c",v[j*col+i],',');
        }
      }
      else
      {
        for (int i=0; i<col; i++)
        {
          StringAppend("%d%c",v[j*col+i],i<col-1 ? ',' : ' ');
        }
      }
      if (j+1<row)
      {
        if (dim > 1) StringAppendS("\n");
        if (spaces>0) StringAppend("%-*.*s",spaces,spaces," ");
      }
    }
  }
  return StringEndS();
}

ivTEST()

void intvec::ivTEST ( ) const

inline

Definition at line 116 of file intvec.h.

    {
      assume(row>=0);
      assume(col>=0);
      if (row>0) omCheckAddrSize((ADDRESS)v,sizeof(int)*row*col);
    }

length()

int intvec::length ( ) const

inline

Definition at line 95 of file intvec.h.

{ return col*row; }

makeVector()

void intvec::makeVector ( )

inline

Definition at line 103 of file intvec.h.

{ row*=col;col=1; }

max_in()

int intvec::max_in ( )

inline

Definition at line 132 of file intvec.h.

  {
    int m=0;
    if (row>0)
    {
      m=v[0];
      for (int i=row*col-1; i>0; i--) if (v[i]>m) m=v[i];
    }
    return m;
  }

min_in()

int intvec::min_in ( )

inline

Definition at line 122 of file intvec.h.

  {
    int m=0;
    if (row>0)
    {
      m=v[0];
      for (int i=row*col-1; i>0; i--) if (v[i]<m) m=v[i];
    }
    return m;
  }

operator%=()

void intvec::operator%=

(

int

intop

)

Definition at line 193 of file intvec.cc.

{
  if (intop == 0) return;
  int bb=ABS(intop);
  for (int i=0; i<row*col; i++)
  {
    int r=v[i];
    int c=r%bb;
    if (c<0) c+=bb;
    v[i]=c;
  }
}

operator*=()

void intvec::operator*=

(

int

intop

)

Definition at line 174 of file intvec.cc.

{
  for (int i=0; i<row*col; i++) { v[i] *= intop; }
}

operator+=()

void intvec::operator+=

(

int

intop

)

Definition at line 164 of file intvec.cc.

{
  for (int i=0; i<row*col; i++) { v[i] += intop; }
}

operator-=()

void intvec::operator-=

(

int

intop

)

Definition at line 169 of file intvec.cc.

{
  for (int i=0; i<row*col; i++) { v[i] -= intop; }
}

operator/=()

void intvec::operator/=

(

int

intop

)

Definition at line 179 of file intvec.cc.

{
  if (intop == 0) return;
  int bb=ABS(intop);
  for (int i=0; i<row*col; i++)
  {
    int r=v[i];
    int c=r%bb;
    if (c<0) c+=bb;
    r=(r-c)/intop;
    v[i]=r;
  }
}

operator[]() [1/2]

int & intvec::operator[] ( int i )

inline

Definition at line 66 of file intvec.h.

    {
#ifndef SING_NDEBUG
      if((i<0)||(i>=row*col))
      {
        Werror("wrong intvec index:%d\n",i);
      }
#endif
      return v[i];
    }

operator[]() [2/2]

const int & intvec::operator[] ( int i ) const

inline

Definition at line 76 of file intvec.h.

    {
#ifndef SING_NDEBUG
      if((i<0)||(i>=row*col))
      {
        Werror("wrong intvec index:%d\n",i);
      }
#endif
      return v[i];
    }

range() [1/2]

int intvec::range ( int i ) const

inline

Definition at line 60 of file intvec.h.

    { return ((((unsigned)i)<((unsigned)row)) && (col==1)); }

range() [2/2]

int intvec::range ( int i, int j ) const

inline

Definition at line 63 of file intvec.h.

    { return ((((unsigned)i)<((unsigned)row)) && (((unsigned)j)<((unsigned)col))); }

resize()

void intvec::resize

(

int

new_length

)

Definition at line 106 of file intvec.cc.

{
  assume(new_length >= 0 && col == 1);
  if (new_length==0)
  {
    if (v!=NULL)
    {
      omFreeSize(v, row*sizeof(int));
      v=NULL;
    }
  }
  else
  {
    if (v!=NULL)
      v = (int*) omRealloc0Size(v, row*sizeof(int), new_length*sizeof(int));
    else
      v = (int*) omAlloc0(new_length*sizeof(int));
  }
  row = new_length;
}

rows()

int intvec::rows ( ) const

inline

Definition at line 97 of file intvec.h.

{ return row; }

show()

void intvec::show	(	int	mat = 0,
		int	spaces = 0 ) const

Definition at line 149 of file intvec.cc.

{
  char *s=ivString(notmat,spaces);
  if (spaces>0)
  {
    PrintNSpaces(spaces);
    PrintS(s);
  }
  else
  {
    PrintS(s);
  }
  omFree(s);
}

String()

char * intvec::String

(

int

dim = 2

)

const

Definition at line 127 of file intvec.cc.

{
  return ivString(1, 0, dim);
}

Field Documentation

col

int intvec::col

private

Definition at line 28 of file intvec.h.

row

int intvec::row

private

Definition at line 27 of file intvec.h.

v

int* intvec::v

private

Definition at line 26 of file intvec.h.

---

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

• libpolys/misc/intvec.h
• libpolys/misc/intvec.cc