eliminate unimplemented vax and cray floating point formats * mach-info.h * test/io.tst: Delete vaxd, vaxg, and cray from list of architectures in fopen test. # HG changeset patch # User John W. Eaton <jwe@octave.org> # Date 1379028062 14400 # Thu Sep 12 19:21:02 2013 -0400 # Node ID ea2763020ac1aa15ad0d43d787b61ff3b8469209 # Parent e89e86e1a5518c11058930fec5e907e60e31251b eliminate unimplemented vax and cray floating point formats * mach-info.h (oct_mach_info::float_format): Delete flt_fmt_vaxd, flt_fmt_vaxg, and flt_fmt_cray enum values. * ls-mat4.cc (float_format_to_mopt_digit, mopt_digit_to_float_format): Delete cases for vaxd, vaxg, and cray floating point formats. * lo-ieee.cc (octave_ieee_init): Likewise. * mach-info.cc (get_float_format, oct_mach_info::string_to_float_format, oct_mach_info::float_format_as_string): Likewise. * oct-stream.cc: Delete explicit template instantiation for do_write. (octave_stream::write, do_read): Delete checks for vaxd and vaxg floating point formats. * pr-output.cc (pr_any_float): Don't check for cray or unknonwn float formats. * data-conv.cc (VAX_D_double_to_IEEE_little_double, VAX_G_double_to_IEEE_little_double, Cray_to_IEEE_little_double, IEEE_big_float_to_IEEE_little_float, VAX_D_float_to_IEEE_little_float, VAX_G_float_to_IEEE_little_float, Cray_to_IEEE_little_float, IEEE_little_double_to_IEEE_big_double, VAX_D_double_to_IEEE_big_double, VAX_G_double_to_IEEE_big_double, Cray_to_IEEE_big_double, IEEE_little_float_to_IEEE_big_float, VAX_D_float_to_IEEE_big_float, VAX_G_float_to_IEEE_big_float, Cray_to_IEEE_big_float, IEEE_little_double_to_VAX_D_double, IEEE_big_double_to_VAX_D_double, VAX_G_double_to_VAX_D_double, Cray_to_VAX_D_double, IEEE_little_float_to_VAX_D_float, IEEE_big_float_to_VAX_D_float, VAX_G_float_to_VAX_D_float, Cray_to_VAX_D_float, IEEE_little_double_to_VAX_G_double, IEEE_big_double_to_VAX_G_double, VAX_D_double_to_VAX_G_double, Cray_to_VAX_G_double, IEEE_little_float_to_VAX_G_float, IEEE_big_float_to_VAX_G_float, VAX_D_float_to_VAX_G_float, Cray_to_VAX_G_float): Delete. (do_double_format_conversion): Eliminate unimplemented vaxd, vaxg, and cray conversions. * file-io.cc (Ffopen, Ffread): Fix doc strings.

/*

Copyright (C) 1996-2012 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 3 of the License, 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, see
<http://www.gnu.org/licenses/>.

*/

#if !defined (octave_mach_info_h)
#define octave_mach_info_h 1

#include <string>

class
OCTAVE_API
oct_mach_info
{
protected:

  oct_mach_info (void);

public:

  enum float_format
    {
      flt_fmt_unknown,
      flt_fmt_ieee_little_endian,
      flt_fmt_ieee_big_endian,
    };

  static bool instance_ok (void);

  static float_format native_float_format (void);

  static bool words_big_endian (void);

  static bool words_little_endian (void);

  static float_format string_to_float_format (const std::string&);

  static std::string float_format_as_string (float_format);

private:

  static oct_mach_info *instance;

  static void cleanup_instance (void) { delete instance; instance = 0; }

  // The floating point format for the current machine.
  mutable float_format native_float_fmt;

  // TRUE if the byte order on this system is big endian.
  mutable bool big_chief;

  // No copying!

  oct_mach_info (const oct_mach_info&);

  oct_mach_info& operator = (const oct_mach_info&);
};

#endif