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//=========================================================================== // // infconst.c // // Infinity constant // //=========================================================================== // ####ECOSGPLCOPYRIGHTBEGIN#### // ------------------------------------------- // This file is part of eCos, the Embedded Configurable Operating System. // Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. // // eCos 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. // // eCos 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 eCos; if not, write to the Free Software Foundation, Inc., // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. // // As a special exception, if other files instantiate templates or use // macros or inline functions from this file, or you compile this file // and link it with other works to produce a work based on this file, // this file does not by itself cause the resulting work to be covered by // the GNU General Public License. However the source code for this file // must still be made available in accordance with section (3) of the GNU // General Public License v2. // // This exception does not invalidate any other reasons why a work based // on this file might be covered by the GNU General Public License. // ------------------------------------------- // ####ECOSGPLCOPYRIGHTEND#### //=========================================================================== //#####DESCRIPTIONBEGIN#### // // Author(s): jlarmour // Contributors: jlarmour // Date: 1998-02-13 // Purpose: // Description: Defines a constant cyg_libm_infinity so that we can define // HUGE_VAL // Usage: // //####DESCRIPTIONEND#### // //=========================================================================== // CONFIGURATION #include <pkgconf/libm.h> // Configuration header // Include the Math library? #ifdef CYGPKG_LIBM // INCLUDES #include <cyg/infra/cyg_type.h> // Common type definitions and support // including endian-ness #include <math.h> // Main header for math library #include <sys/ieeefp.h> // Cyg_libm_ieee_double_shape_type // GLOBALS #if (CYG_DOUBLE_BYTEORDER == CYG_MSBFIRST) // Big endian const Cyg_libm_ieee_double_shape_type cyg_libm_infinity = { {0x7ff00000, 0} }; #else // Little endian const Cyg_libm_ieee_double_shape_type cyg_libm_infinity = { {0, 0x7ff00000} }; #endif #endif // ifdef CYGPKG_LIBM // EOF infconst.c
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