1 //===========================================================================
7 //===========================================================================
8 //####ECOSGPLCOPYRIGHTBEGIN####
9 // -------------------------------------------
10 // This file is part of eCos, the Embedded Configurable Operating System.
11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
13 // eCos is free software; you can redistribute it and/or modify it under
14 // the terms of the GNU General Public License as published by the Free
15 // Software Foundation; either version 2 or (at your option) any later version.
17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
22 // You should have received a copy of the GNU General Public License along
23 // with eCos; if not, write to the Free Software Foundation, Inc.,
24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
26 // As a special exception, if other files instantiate templates or use macros
27 // or inline functions from this file, or you compile this file and link it
28 // with other works to produce a work based on this file, this file does not
29 // by itself cause the resulting work to be covered by the GNU General Public
30 // License. However the source code for this file must still be made available
31 // in accordance with section (3) of the GNU General Public License.
33 // This exception does not invalidate any other reasons why a work based on
34 // this file might be covered by the GNU General Public License.
36 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
37 // at http://sources.redhat.com/ecos/ecos-license/
38 // -------------------------------------------
39 //####ECOSGPLCOPYRIGHTEND####
40 //===========================================================================
41 //#####DESCRIPTIONBEGIN####
43 // Author(s): jlarmour
44 // Contributors: jlarmour
47 // Description: Defines a constant cyg_libm_infinity so that we can define
51 //####DESCRIPTIONEND####
53 //===========================================================================
57 #include <pkgconf/libm.h> // Configuration header
59 // Include the Math library?
64 #include <cyg/infra/cyg_type.h> // Common type definitions and support
65 // including endian-ness
66 #include <math.h> // Main header for math library
67 #include <sys/ieeefp.h> // Cyg_libm_ieee_double_shape_type
72 #if (CYG_DOUBLE_BYTEORDER == CYG_MSBFIRST) // Big endian
74 const Cyg_libm_ieee_double_shape_type cyg_libm_infinity = { {0x7ff00000, 0} };
76 #else // Little endian
78 const Cyg_libm_ieee_double_shape_type cyg_libm_infinity = { {0, 0x7ff00000} };
82 #endif // ifdef CYGPKG_LIBM