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	length (int l)
void	show (int mat=0, int spaces=0) const
void	view () 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 *	ivGetVec ()

Private Attributes
int *	v
int	row
int	col

Detailed Description

Definition at line 16 of file intvec.h.

Constructor & Destructor Documentation

intvec::intvec ( int  l = 1 )

inline

Definition at line 24 of file intvec.h.

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

intvec::intvec	(	int	s,
		int	e
	)

Definition at line 40 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::intvec	(	int	r,
		int	c,
		int	init
	)

Definition at line 62 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::intvec ( const intvec *  iv )

inline

Definition at line 33 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 ( )

inline

Definition at line 97 of file intvec.h.

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

Member Function Documentation

int intvec::cols ( ) const

inline

Definition at line 86 of file intvec.h.

{ return col; }

int intvec::compare

(

const intvec *

o

)

const

Definition at line 211 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;
}

int intvec::compare

(

int

o

)

const

Definition at line 244 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;
}

int* intvec::ivGetVec ( )

inline

Definition at line 130 of file intvec.h.

{ return v; }

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

Definition at line 77 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();
}

void intvec::ivTEST ( ) const

inline

Definition at line 105 of file intvec.h.

    {
      omCheckAddrSize((ADDRESS)v,sizeof(int)*row*col);
    }

int intvec::length ( ) const

inline

Definition at line 85 of file intvec.h.

{ return col*row; }

void intvec::length ( int  l )

inline

Definition at line 88 of file intvec.h.

{ row = l; col = 1; }

void intvec::makeVector ( )

inline

Definition at line 94 of file intvec.h.

{ row*=col;col=1; }

int intvec::min_in ( )

inline

Definition at line 109 of file intvec.h.

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

void intvec::operator%=

(

int

intop

)

Definition at line 198 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;
  }
}

void intvec::operator*=

(

int

intop

)

Definition at line 179 of file intvec.cc.

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

void intvec::operator+=

(

int

intop

)

Definition at line 169 of file intvec.cc.

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

void intvec::operator-=

(

int

intop

)

Definition at line 174 of file intvec.cc.

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

void intvec::operator/=

(

int

intop

)

Definition at line 184 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;
  }
}

int& intvec::operator[] ( int  i )

inline

Definition at line 56 of file intvec.h.

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

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

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];
    }

int intvec::range ( int  i ) const

inline

Definition at line 52 of file intvec.h.

    { return ((i<row) && (i>=0) && (col==1)); }

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

inline

Definition at line 54 of file intvec.h.

    { return ((i<row) && (i>=0) && (j<col) && (j>=0)); }

void intvec::resize

(

int

new_length

)

Definition at line 125 of file intvec.cc.

{
  assume(new_length > 0 && col == 1);
  v = (int*) omRealloc0Size(v, row*sizeof(int), new_length*sizeof(int));
  row = new_length;
}

int intvec::rows ( ) const

inline

Definition at line 87 of file intvec.h.

{ return row; }

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

Definition at line 154 of file intvec.cc.

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

char * intvec::String

(

int

dim = 2

)

const

Definition at line 132 of file intvec.cc.

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

void intvec::view

(

)

const

Definition at line 139 of file intvec.cc.

{
  Print ("intvec: {rows: %d, cols: %d, length: %d, Values: \n", rows(), cols(), length());

  for (int i = 0; i < rows(); i++)
  {
    Print ("Row[%3d]:", i);
    for (int j = 0; j < cols(); j++)
      Print (" %5d", this->operator[]((i)*cols()+j) );
    PrintLn ();
  }
  PrintS ("}\n");
}

Field Documentation

int intvec::col

private

Definition at line 21 of file intvec.h.

int intvec::row

private

Definition at line 20 of file intvec.h.

int* intvec::v

private

Definition at line 19 of file intvec.h.

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

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