Internal compiler error in template class (fwd)

[<filmil at polip dot psc dot ac dot yu>]

---------- Forwarded message ----------
Date: Thu, 21 Oct 1999 01:29:34 +0200 (CEST)
From: filmil@polip.psc.ac.yu
To: egcs-bugs@cygnus.com
Subject: Internal compiler error in template class


I have an ongoing project that has to do with various matrices
and their application. When I rewrote base class using templates
egcs reported an internal error. The command line used was

g++ -I. -c matrix_base.cc --verbose

Enclosed is the class implementation in two files, matrix_base.cc and
matrix_base.h. At the end of this message you will find --verbose
output from egcs.

Cheers.

(I hope you check this out asap since my work is on hold :)


-- Follows file matrix_base.cc --
/*
 * implementacija bazne klase matrix_base i
 * kontrolne klase matrix_info
 */
#include <iostream.h>
#include <stdlib.h>
#include <matrix_base.h>
    
void matrix_info::set_maxx( int setx)
{
  maxx = setx;
}

int matrix_info::get_maxx( void)
{ return maxx; }

void matrix_info::set_maxy( int sety)
{
  maxy = sety;
}

int matrix_info::get_maxy( void)
{ return maxy; }

void matrix_info::set_valid( int val)
{ is_valid = val; 
}

int matrix_info::get_valid( void)
{ return is_valid;
}

int matrix_info::valid(void) { return get_valid(); }

// matrix base : implementacija 

template <class T> class matrix_base;
template<class T>matrix_base<T>::matrix_base( int x = 2, int y = 2, int zero =0 )
{
  minfo.set_valid(0);		// mozda nije potrebno
  val = new T [x*y];
  if ( !val) 
    { 
      cout << "matrix_base: out of memory" << endl ; // znadem engleski, jelte?
      exit(0);
    }
  minfo.set_maxx( x); 
  minfo.set_maxy( y);
  minfo.set_valid(1);
}


template <class T>matrix_base<T>::~matrix_base(void)
{
  minfo.set_valid(0);
  delete val;
} 

template <class T>
T& matrix_base<T>::get( int x, int y)
{
  // za sada nema provere da li je lepo proslo (mozda nece ni trebati 

  return val[maxx*x + y]; // ovo znaci da su prvo smestene _vrste_
}

template <class T>
void matrix_base<T>::set( int x, int y, T& ent)
{
  val[maxx*x + y] = ent;
}








-- Follows file matrix_base.h --
/*
 * matrix_base
 *
 */
#define __MATRIX_BASE_H


class matrix_info {
 protected:
  int maxx, maxy;
  int is_valid; // da li sadrzi nesto smisleno
  int other_info; // ovde idu ostale informacije o matrici

 public:
  void set_maxx( int setx);
  int  get_maxx(void);
  
  void set_maxy( int sety);
  int  get_maxy(void);

  void  set_valid( int val);
  int   get_valid( void);

  int valid(void);
};

template <class T> class matrix_base;

template <class T>
class matrix_base<T> {
 protected:
  T *val;
  matrix_info minfo;
 public:

  // konstruktor
  // x = broj kolona
  // y = broj vrsta
  // len = duzina jednog elementa matrice

  template<class T>
    matrix_base( int x = 2, int y = 2 , int zero = 0);
  // destruktor
  virtual ~matrix_base(void) = 0;
  // tehnicke informacije o matrici
  matrix_info& get_info(void);

  // operacije s matricama

  virtual matrix_base& add_sh( matrix_base& y);
  virtual matrix_base& sub_sh( matrix_base& y);
  
  virtual matrix_base& mul   ( matrix_base& y);
  virtual matrix_base& trans ( matrix_base& y);

  template <class T> T& get( int x, int y);
  template<class T> void set( int x, int y, T& val);
  // provera kompatibilnosti matrica
  //  virtual friend int comp_add( matrix_base& x, matrix_base& y);
  //virtual friend int comp_mul( matrix_base& x, matrix_base& y);
};

-- --verbose output

Reading specs from /usr/lib/gcc-lib/i386-redhat-linux/egcs-2.90.27/specs
gcc version egcs-2.90.27 980315 (egcs-1.0.2 release)
 /usr/lib/gcc-lib/i386-redhat-linux/egcs-2.90.27/cpp -lang-c++ -v -I. -undef -D__GNUC__=2 -D__GNUG__=2 -D__cplusplus -D__GNUC_MINOR__=90 -Di386 -D__ELF__ -Dunix -Dlinux -D__i386__ -D__ELF__ -D__unix__ -D__linux__ -D__i386 -D__unix -D__linux -Asystem(posix
) -D__EXCEPTIONS -Di386 -Asystem(unix) -Acpu(i386) -Amachine(i386) -D__i386__ -Asystem(unix) -Acpu(i386) -Amachine(i386) matrix_base.cc /tmp/cca01393.ii
GNU CPP version egcs-2.90.27 980315 (egcs-1.0.2 release) (i386 Linux/ELF)
#include "..." search starts here:
#include <...> search starts here:
 .
 /usr/include/g++
 /usr/i386-redhat-linux/include
 /usr/lib/gcc-lib/i386-redhat-linux/egcs-2.90.27/include
 /usr/include
End of search list.
 /usr/lib/gcc-lib/i386-redhat-linux/egcs-2.90.27/cc1plus /tmp/cca01393.ii -quiet -dumpbase matrix_base.cc -version -o /tmp/cca01393.s
GNU C++ version egcs-2.90.27 980315 (egcs-1.0.2 release) (i386-redhat-linux) compiled by GNU C version egcs-2.90.27 980315 (egcs-1.0.2 release).
matrix_base.cc: In method `matrix_base<T>::matrix_base(int = 2, int = 2, int = 0)':
matrix_base.cc:39: Internal compiler error.
matrix_base.cc:39: Please submit a full bug report to `egcs-bugs@cygnus.com'.
Linux polip.psc.ac.yu 2.0.35 #6 Thu Mar 11 12:46:53 CET 1999 i686 unknown