Mercurial > octave-nkf
view liboctave/lo-ieee.h @ 8828:8463d1a2e544
Doc fixes.
* 2]$$. => 2].$$
* @var{extrapval} => @var{extrapval}.
* call helloworld.oct => called @file{helloworld.oct}
* @itemize => @table @code
* shows. => shows:
* save => @code{save}
* @ref{Breakpoints} => @pxref{Breakpoints}
* add @noindent following example
* which is computed => and compute it
* clarify wording
* remove comma
* good => well
* set => number
* by writing => with the command
* has the option of directly calling => can call
* [-like-] {+of the right size,+}
* solvers => routines
* handle => test for
* add introductory section
* add following
* {+the+} [0..bitmax] => [0,bitmax]
* of the => with
* number => value
* add usual
* Besides when doing comparisons, logical => Logical {+also+}
* array comparison => array, comparisons
* param => parameter
* works very similar => is similar
* strings, => strings
* most simple => simplest
* easier => more easily
* like => as
* called => called,
* clarify wording
* you should simply type => use
* clarify wording
* means => way
* equally => also
* [-way much-] {+way+}
* add with mean value parameter given by the first argument, @var{l}
* add Functions described as @dfn{mapping functions} apply the given
operation to each element when given a matrix argument.
* in this brief introduction => here
* It is worth noticing => Note
* add following
* means => ways
author | Brian Gough <bjg@network-theory.co.uk> |
---|---|
date | Fri, 20 Feb 2009 11:17:01 -0500 |
parents | 139f47cf17ab |
children | eb63fbe60fab |
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/* Copyright (C) 1996, 1997, 2002, 2003, 2004, 2005, 2006, 2007 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_liboctave_ieee_h) #define octave_liboctave_ieee_h 1 #ifdef __cplusplus extern "C" { #endif /* Octave's idea of infinity. */ extern OCTAVE_API double octave_Inf; /* Octave's idea of a missing value. */ extern OCTAVE_API double octave_NA; /* Octave's idea of not a number. */ extern OCTAVE_API double octave_NaN; /* Octave's idea of infinity. */ extern OCTAVE_API float octave_Float_Inf; /* Octave's idea of a missing value. */ extern OCTAVE_API float octave_Float_NA; /* Octave's idea of not a number. */ extern OCTAVE_API float octave_Float_NaN; /* FIXME -- this code assumes that a double has twice the number of bits as an int */ extern OCTAVE_API int lo_ieee_hw; extern OCTAVE_API int lo_ieee_lw; typedef union { double value; unsigned int word[2]; } lo_ieee_double; typedef union { float value; unsigned int word; } lo_ieee_float; #define LO_IEEE_NA_HW_OLD 0x7ff00000 #define LO_IEEE_NA_LW_OLD 1954 #define LO_IEEE_NA_HW 0x7FF840F4 #define LO_IEEE_NA_LW 0x40000000 #define LO_IEEE_NA_FLOAT 0x7FC207A2 extern OCTAVE_API void octave_ieee_init (void); #if defined (SCO) extern int __isnan (double); extern int __isinf (double); extern int __isnanf (float); extern int __isinff (float); #define isnan(x) (sizeof (x) == sizeof (float) ? __isnanf (x) : __isnan (x)) #define isinf(x) (sizeof (x) == sizeof (float) ? __isinff (x) : __isinf (x)) #endif extern OCTAVE_API int __lo_ieee_isnan (double x); extern OCTAVE_API int __lo_ieee_finite (double x); extern OCTAVE_API int __lo_ieee_isinf (double x); extern OCTAVE_API int __lo_ieee_is_NA (double); extern OCTAVE_API int __lo_ieee_is_old_NA (double); extern OCTAVE_API int __lo_ieee_is_NaN_or_NA (double) GCC_ATTR_DEPRECATED; extern OCTAVE_API double __lo_ieee_replace_old_NA (double); extern OCTAVE_API double lo_ieee_inf_value (void); extern OCTAVE_API double lo_ieee_na_value (void); extern OCTAVE_API double lo_ieee_nan_value (void); extern OCTAVE_API int __lo_ieee_signbit (double); extern OCTAVE_API int __lo_ieee_float_isnan (float x); extern OCTAVE_API int __lo_ieee_float_finite (float x); extern OCTAVE_API int __lo_ieee_float_isinf (float x); extern OCTAVE_API int __lo_ieee_float_is_NA (float); extern OCTAVE_API int __lo_ieee_float_is_NaN_or_NA (float) GCC_ATTR_DEPRECATED; extern OCTAVE_API float lo_ieee_float_inf_value (void); extern OCTAVE_API float lo_ieee_float_na_value (void); extern OCTAVE_API float lo_ieee_float_nan_value (void); extern OCTAVE_API int __lo_ieee_float_signbit (float); #ifdef __cplusplus } #endif #define lo_ieee_isnan(x) (sizeof (x) == sizeof (float) ? \ __lo_ieee_float_isnan (x) : __lo_ieee_isnan (x)) #define lo_ieee_finite(x) (sizeof (x) == sizeof (float) ? \ __lo_ieee_float_finite (x) : __lo_ieee_finite (x)) #define lo_ieee_isinf(x) (sizeof (x) == sizeof (float) ? \ __lo_ieee_float_isinf (x) : __lo_ieee_isinf (x)) #define lo_ieee_is_NA(x) (sizeof (x) == sizeof (float) ? \ __lo_ieee_float_is_NA (x) : __lo_ieee_is_NA (x)) #define lo_ieee_is_NaN_or_NA(x) (sizeof (x) == sizeof (float) ? \ __lo_ieee_float_is_NaN_or_NA (x) : __lo_ieee_is_NaN_or_NA (x)) #define lo_ieee_signbit(x) (sizeof (x) == sizeof (float) ? \ __lo_ieee_float_signbit (x) : __lo_ieee_signbit (x)) #endif /* ;;; Local Variables: *** ;;; mode: C++ *** ;;; End: *** */