.. _program_listing_file__tmp_ws_src_ecl_lite_ecl_config_include_ecl_config_ecl_unknown.hpp:

Program Listing for File ecl_unknown.hpp
========================================

|exhale_lsh| :ref:`Return to documentation for file <file__tmp_ws_src_ecl_lite_ecl_config_include_ecl_config_ecl_unknown.hpp>` (``/tmp/ws/src/ecl_lite/ecl_config/include/ecl/config/ecl_unknown.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   
   /*****************************************************************************
   ** Ifdefs
   *****************************************************************************/
   
   #ifndef ECL_CONFIG_UNKNOWN_HPP_
   #define ECL_CONFIG_UNKNOWN_HPP_
   
   /*****************************************************************************
   ** Includes
   *****************************************************************************/
   
   #include <limits>
   #include <climits>
   
   /*****************************************************************************
   ** Integers
   *****************************************************************************/
   
   /*
    * The c99 standard will only define certain macros for c++
    * if explicitly requested.
    */
   #define __STDC_LIMIT_MACROS
   
   #if defined(__GNUC__)
       /*
        * Note that cstdint is not enabled by default by gcc yet (v4.4). It will
        * give a compile time error unless you explicitly pass -std=c++0x to gcc.
        */
       #if __GXX_EXPERIMENTAL_CXX0X__ > 0
           #include <cstdint>
       #else
           #include <stdint.h>
       #endif
   #elif (defined(__STDC__) && __STDC__)
       #include <stdint.h>
   #else
       // nothing here yet - look in graveyard/include/portable_integers for some ideas.
   #endif
   
   /*
    * These are very naive - update these as we come across different platforms.
    */
   #if CHAR_MAX == INT8_MAX
       #define ECL_SIZE_OF_CHAR 1
   #else
       #error "ECL_SIZE_OF_CHAR could not be determined (probably faulty ecl logic)."
   #endif
   #if SHRT_MAX == INT16_MAX
       #define ECL_SIZE_OF_SHORT 2
   #else
       #error "ECL_SIZE_OF_SHORT could not be determined (probably faulty ecl logic)."
   #endif
   #if INT_MAX == INT32_MAX
       #define ECL_SIZE_OF_INT 4
   #else
       #error "ECL_SIZE_OF_INT could not be determined (probably faulty ecl logic)."
   #endif
   #if LONG_MAX == INT32_MAX
       #define ECL_SIZE_OF_LONG 4
   #elif LONG_MAX == INT64_MAX
       #define ECL_SIZE_OF_LONG 8
   #else
       #error "ECL_SIZE_OF_LONG could not be determined (probably faulty ecl logic)."
   #endif
   
   #if LONG_LONG_MAX == INT64_MAX
       #define ECL_SIZE_OF_LONG_LONG 8
   #else
       #error "ECL_SIZE_OF_LONG_LONG could not be determined (probably faulty ecl logic)."
   #endif
   
   /*****************************************************************************
   ** Floats
   *****************************************************************************/
   /*
    * These may be somewhat naively assumed. I should  hand craftfor
    * particular platforms in the future if it ever really
    * differs.
    */
   #ifdef __GNUC__
       #ifdef __SIZEOF_FLOAT__
           #define ECL_SIZE_OF_FLOAT __SIZEOF_FLOAT__
       #else
           #define ECL_SIZE_OF_FLOAT 4
       #endif
       #ifdef __SIZEOF_DOUBLE__
           #define ECL_SIZE_OF_DOUBLE __SIZEOF_DOUBLE__
       #else
           #define ECL_SIZE_OF_DOUBLE 8
       #endif
       #ifdef __SIZEOF_LONG_DOUBLE__
           #define ECL_SIZE_OF_LONG_DOUBLE __SIZEOF_LONG_DOUBLE__
       #else
           #define ECL_SIZE_OF_LONG_DOUBLE 16
       #endif
   #else // Non Gnu platforms
       #define ECL_SIZE_OF_FLOAT 4
       #define ECL_SIZE_OF_DOUBLE 8
       #define ECL_SIZE_OF_LONG_DOUBLE 16 // This is often 12!
   #endif
   
   #endif /* ECL_CONFIG_UNKNOWN_HPP_ */