# HG changeset patch
# User jwe
# Date 861413199 0
# Node ID c691fdf6bebb67637b21ef47cd09fea141283b32
# Parent  3241d0057e786bad50f45ebc00e4eabc2d9315e1
[project @ 1997-04-19 01:26:38 by jwe]

diff --git a/src/ov-bool-mat.cc b/src/ov-bool-mat.cc
new file mode 100644
--- /dev/null
+++ b/src/ov-bool-mat.cc
@@ -0,0 +1,223 @@
+/*
+
+Copyright (C) 1996, 1997 John W. Eaton
+
+This file is part of Octave.
+
+Octave is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+Octave is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with Octave; see the file COPYING.  If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+
+#if defined (__GNUG__)
+#pragma implementation
+#endif
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "lo-ieee.h"
+#include "mx-base.h"
+
+#include "gripes.h"
+#include "oct-obj.h"
+#include "ops.h"
+#include "ov-bool.h"
+#include "ov-bool-mat.h"
+#include "ov-re-mat.h"
+#include "pr-output.h"
+
+octave_allocator
+octave_bool_matrix::allocator (sizeof (octave_bool_matrix));
+
+int
+octave_bool_matrix::t_id (-1);
+
+const string
+octave_bool_matrix::t_name ("bool matrix");
+
+static octave_value *
+default_numeric_conversion_function (const octave_value& a)
+{
+  CAST_CONV_ARG (const octave_bool_matrix&);
+
+  return new octave_matrix (Matrix (v.bool_matrix_value ()));
+}
+
+type_conv_fcn
+octave_bool_matrix::numeric_conversion_function (void) const
+{
+  return default_numeric_conversion_function;
+}
+
+octave_value *
+octave_bool_matrix::try_narrowing_conversion (void)
+{
+  octave_value *retval = 0;
+
+  int nr = matrix.rows ();
+  int nc = matrix.cols ();
+
+  if (nr == 1 && nc == 1)
+    retval = new octave_bool (matrix (0, 0));
+
+  return retval;
+}
+
+octave_value
+octave_bool_matrix::index (const octave_value_list& idx) const
+{
+  octave_value retval;
+
+  int len = idx.length ();
+
+  switch (len)
+    {
+    case 2:
+      {
+	idx_vector i = idx (0).index_vector ();
+	idx_vector j = idx (1).index_vector ();
+
+	retval = boolMatrix (matrix.index (i, j));
+      }
+      break;
+
+    case 1:
+      {
+	idx_vector i = idx (0).index_vector ();
+
+	retval = boolMatrix (matrix.index (i));
+      }
+      break;
+
+    default:
+      error ("invalid number of indices (%d) for matrix value", len);
+      break;
+    }
+
+  return retval;
+}
+
+extern void assign (Array2<bool>&, const Array2<bool>&);
+
+void
+octave_bool_matrix::assign (const octave_value_list& idx,
+			    const boolMatrix& rhs)
+{
+  int len = idx.length ();
+
+  switch (len)
+    {
+    case 2:
+      {
+	idx_vector i = idx (0).index_vector ();
+	idx_vector j = idx (1).index_vector ();
+
+	matrix.set_index (i);
+	matrix.set_index (j);
+
+	::assign (matrix, rhs);
+      }
+      break;
+
+    case 1:
+      {
+	idx_vector i = idx (0).index_vector ();
+
+	matrix.set_index (i);
+
+	::assign (matrix, rhs);
+      }
+      break;
+
+    default:
+      error ("invalid number of indices (%d) for indexed matrix assignment",
+	     len);
+      break;
+    }
+}
+
+bool
+octave_bool_matrix::valid_as_scalar_index (void) const
+{
+  // XXX FIXME XXX
+  return false;
+}
+
+bool
+octave_bool_matrix::is_true (void) const
+{
+  bool retval = false;
+
+  if (rows () == 0 || columns () == 0)
+    {
+      int flag = Vpropagate_empty_matrices;
+
+      if (flag < 0)
+	warning ("empty matrix used in conditional expression");
+      else if (flag == 0)
+	error ("empty matrix used in conditional expression");
+    }
+  else
+    {
+      boolMatrix m = (matrix.all ()) . all ();
+
+      retval = (m.rows () == 1 && m.columns () == 1 && m (0, 0));
+    }
+
+  return retval;
+}
+
+double
+octave_bool_matrix::double_value (bool) const
+{
+  double retval = octave_NaN;
+
+  if ((rows () == 1 && columns () == 1)
+      || (Vdo_fortran_indexing && rows () > 0 && columns () > 0))
+    retval = matrix (0, 0);
+  else
+    gripe_invalid_conversion ("bool matrix", "real scalar");
+
+  return retval;
+}
+
+Complex
+octave_bool_matrix::complex_value (bool) const
+{
+  Complex retval (octave_NaN, octave_NaN);
+
+  if ((rows () == 1 && columns () == 1)
+      || (Vdo_fortran_indexing && rows () > 0 && columns () > 0))
+    retval = matrix (0, 0);
+  else
+    gripe_invalid_conversion ("bool matrix", "complex scalar");
+
+  return retval;
+}
+
+void
+octave_bool_matrix::print (ostream& os, bool pr_as_read_syntax)
+{
+  Matrix tmp (matrix);
+
+  octave_print_internal (os, tmp, pr_as_read_syntax, struct_indent);
+}
+
+/*
+;;; Local Variables: ***
+;;; mode: C++ ***
+;;; End: ***
+*/
diff --git a/src/ov-bool-mat.h b/src/ov-bool-mat.h
new file mode 100644
--- /dev/null
+++ b/src/ov-bool-mat.h
@@ -0,0 +1,155 @@
+/*
+
+Copyright (C) 1996, 1997 John W. Eaton
+
+This file is part of Octave.
+
+Octave is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+Octave is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with Octave; see the file COPYING.  If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+
+#if !defined (octave_bool_matrix_h)
+#define octave_bool_matrix_h 1
+
+#if defined (__GNUG__)
+#pragma interface
+#endif
+
+#include <cstdlib>
+
+#include <string>
+
+class ostream;
+
+#include "mx-base.h"
+#include "oct-alloc.h"
+
+#include "error.h"
+#include "ov-base.h"
+#include "ov-typeinfo.h"
+
+class Octave_map;
+class octave_value_list;
+
+class tree_walker;
+
+// Character matrix values.
+
+class
+octave_bool_matrix : public octave_base_value
+{
+public:
+
+  octave_bool_matrix (void)
+    : octave_base_value () { }
+
+  octave_bool_matrix (const boolMatrix& bm)
+    : octave_base_value (), matrix (bm) { }
+
+  octave_bool_matrix (const octave_bool_matrix& bm)
+    : octave_base_value (), matrix (bm.matrix) { }
+
+  ~octave_bool_matrix (void) { }
+
+  octave_value *clone (void) { return new octave_bool_matrix (*this); }
+
+  void *operator new (size_t size)
+    { return allocator.alloc (size); }
+
+  void operator delete (void *p, size_t size)
+    { allocator.free (p, size); }
+
+  type_conv_fcn numeric_conversion_function (void) const;
+
+  octave_value *try_narrowing_conversion (void);
+
+  octave_value index (const octave_value_list& idx) const;
+
+  void assign (const octave_value_list& idx, const boolMatrix& rhs);
+
+  idx_vector index_vector (void) const { return idx_vector (matrix); }
+
+  int rows (void) const { return matrix.rows (); }
+  int columns (void) const { return matrix.columns (); }
+
+  bool is_defined (void) const { return true; }
+
+  bool is_bool_matrix (void) const { return true; }
+
+  octave_value all (void) const { return matrix.all (); }
+  octave_value any (void) const { return matrix.any (); }
+
+  bool is_real_type (void) const { return true; }
+
+  bool is_matrix_type (void) const { return true; }
+
+  bool is_numeric_type (void) const { return true; }
+
+  bool valid_as_scalar_index (void) const;
+
+  bool valid_as_zero_index (void) const { return is_zero_by_zero (); }
+
+  bool is_true (void) const;
+
+  double double_value (bool = false) const;
+
+  Matrix matrix_value (bool = false) const { return matrix; }
+
+  Complex complex_value (bool = false) const;
+
+  ComplexMatrix complex_matrix_value (bool = false) const { return matrix; }
+
+  boolMatrix bool_matrix_value (bool = false) const { return matrix; }
+
+  octave_value convert_to_str (void) const
+    { return octave_value (matrix); }
+
+  octave_value transpose (void) const
+    { return octave_value (matrix.transpose ()); }
+
+  octave_value hermitian (void) const
+    { return octave_value (matrix.transpose ()); }
+
+  void print (ostream& os, bool pr_as_read_syntax = false);
+
+  int type_id (void) const { return t_id; }
+
+  string type_name (void) const { return t_name; }
+
+  static int static_type_id (void) { return t_id; }
+
+  static void register_type (void)
+    { t_id = octave_value_typeinfo::register_type (t_name); }
+
+protected:
+
+  boolMatrix matrix;
+
+  static octave_allocator allocator;
+
+  // Type id of bool matrix objects, set by register_type().
+  static int t_id;
+
+  // Type name of bool matrix objects, defined in ov-bool-mat.cc.
+  static const string t_name;
+};
+
+#endif
+
+/*
+;;; Local Variables: ***
+;;; mode: C++ ***
+;;; End: ***
+*/
diff --git a/src/ov-bool.cc b/src/ov-bool.cc
new file mode 100644
--- /dev/null
+++ b/src/ov-bool.cc
@@ -0,0 +1,123 @@
+/*
+
+Copyright (C) 1996, 1997 John W. Eaton
+
+This file is part of Octave.
+
+Octave is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+Octave is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with Octave; see the file COPYING.  If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+
+#if defined (__GNUG__)
+#pragma implementation
+#endif
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "mx-base.h"
+
+#include "gripes.h"
+#include "oct-obj.h"
+#include "ops.h"
+#include "ov-bool.h"
+#include "ov-re-mat.h"
+#include "ov-scalar.h"
+#include "pr-output.h"
+
+octave_allocator
+octave_bool::allocator (sizeof (octave_bool));
+
+int
+octave_bool::t_id (-1);
+
+const string
+octave_bool::t_name ("bool");
+
+static octave_value *
+default_numeric_conversion_function (const octave_value& a)
+{
+  CAST_CONV_ARG (const octave_bool&);
+
+  return new octave_scalar (v.bool_value ());
+}
+
+type_conv_fcn
+octave_bool::numeric_conversion_function (void) const
+{
+  return default_numeric_conversion_function;
+}
+
+static inline bool
+valid_scalar_indices (const octave_value_list& args)
+{
+  int nargin = args.length ();
+
+  for (int i = 0; i < nargin; i++)
+    if (! args(i).valid_as_scalar_index ())
+      return false;
+
+  return true;
+}
+
+octave_value
+octave_bool::index (const octave_value_list& idx) const
+{
+  octave_value retval;
+
+  if (valid_scalar_indices (idx))
+    retval = scalar;
+  else
+    {
+      // XXX FIXME XXX -- this doesn't solve the problem of
+      //
+      //   a = 1; a([1,1], [1,1], [1,1])
+      //
+      // and similar constructions.  Hmm...
+
+      // XXX FIXME XXX -- using this constructor avoids narrowing the
+      // 1x1 matrix back to a scalar value.  Need a better solution
+      // to this problem.
+
+      octave_value tmp (new octave_matrix (matrix_value ()));
+
+      retval = tmp.index (idx);
+    }
+
+  return retval;
+}
+
+octave_value
+octave_bool::convert_to_str (void) const
+{
+  char s[2];
+  s[0] = (char) scalar;
+  s[1] = '\0';
+
+  return octave_value (s);
+}
+
+void
+octave_bool::print (ostream& os, bool pr_as_read_syntax)
+{
+  octave_print_internal (os, scalar, pr_as_read_syntax);
+}
+
+/*
+;;; Local Variables: ***
+;;; mode: C++ ***
+;;; End: ***
+*/
diff --git a/src/ov-bool.h b/src/ov-bool.h
new file mode 100644
--- /dev/null
+++ b/src/ov-bool.h
@@ -0,0 +1,157 @@
+/*
+
+Copyright (C) 1996, 1997 John W. Eaton
+
+This file is part of Octave.
+
+Octave is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+Octave is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with Octave; see the file COPYING.  If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+
+#if !defined (octave_bool_h)
+#define octave_bool_h 1
+
+#if defined (__GNUG__)
+#pragma interface
+#endif
+
+#include <cstdlib>
+
+#include <string>
+
+class ostream;
+
+#include "lo-utils.h"
+#include "mx-base.h"
+#include "oct-alloc.h"
+#include "str-vec.h"
+
+#include "mappers.h"
+#include "ov-base.h"
+#include "ov-typeinfo.h"
+
+class Octave_map;
+class octave_value_list;
+
+class tree_walker;
+
+// Real scalar values.
+
+class
+octave_bool : public octave_base_value
+{
+public:
+
+  octave_bool (void)
+    : octave_base_value (), scalar (false) { }
+
+  octave_bool (bool b)
+    : octave_base_value (), scalar (b) { }
+
+  octave_bool (const octave_bool& s)
+    : octave_base_value (), scalar (s.scalar) { }
+
+  ~octave_bool (void) { }
+
+  octave_value *clone (void) { return new octave_bool (*this); }
+
+  void *operator new (size_t size)
+    { return allocator.alloc (size); }
+
+  void operator delete (void *p, size_t size)
+    { allocator.free (p, size); }
+
+  type_conv_fcn numeric_conversion_function (void) const;
+
+  octave_value index (const octave_value_list& idx) const;
+
+  idx_vector index_vector (void) const { return idx_vector (scalar); }
+
+  int rows (void) const { return 1; }
+  int columns (void) const { return 1; }
+
+  bool is_defined (void) const { return true; }
+  bool is_real_scalar (void) const { return true; }
+
+  octave_value all (void) const { return scalar; }
+  octave_value any (void) const { return scalar; }
+
+  bool is_real_type (void) const { return true; }
+  bool is_scalar_type (void) const { return true; }
+  bool is_numeric_type (void) const { return true; }
+
+  bool valid_as_scalar_index (void) const { return scalar; }
+
+  bool valid_as_zero_index (void) const { return ! scalar; }
+
+  bool is_true (void) const { return scalar; }
+
+  double double_value (bool = false) const { return scalar; }
+
+  Matrix matrix_value (bool = false) const { return Matrix (1, 1, scalar); }
+
+  Complex complex_value (bool = false) const { return scalar; }
+
+  ComplexMatrix complex_matrix_value (bool = false) const
+    { return  ComplexMatrix (1, 1, Complex (scalar)); }
+
+  bool bool_value (void) const { return scalar; }
+
+  boolMatrix bool_matrix_value (void) const
+    { return boolMatrix (1, 1, scalar); }
+
+  octave_value not (void) const { return octave_value (! scalar); }
+
+  octave_value uminus (void) const { return octave_value (- (double) scalar); }
+
+  octave_value transpose (void) const { return octave_value (scalar); }
+
+  octave_value hermitian (void) const { return octave_value (scalar); }
+
+  octave_value convert_to_str (void) const;
+
+  void print (ostream& os, bool pr_as_read_syntax = false);
+
+  int type_id (void) const { return t_id; }
+
+  string type_name (void) const { return t_name; }
+
+  static int static_type_id (void) { return t_id; }
+
+  static void register_type (void)
+    { t_id = octave_value_typeinfo::register_type (t_name); }
+
+private:
+
+  // The value of this scalar.
+  bool scalar;
+
+  // For custom memory management.
+  static octave_allocator allocator;
+
+  // Type id of bool objects, set by register_type().
+  static int t_id;
+
+  // Type name of bool objects, defined in ov-bool.cc.
+  static const string t_name;
+};
+
+#endif
+
+/*
+;;; Local Variables: ***
+;;; mode: C++ ***
+;;; End: ***
+*/