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/* ///////////////////////////////////////////////////////////////////////// * File: examples/cpp/inserters/example.cpp.inserter.real/example.cpp.inserter.real.cpp * * Purpose: C++ example program for Pantheios. Demonstrates: * * - use of Pantheios inserters for floating-point types * - use of pantheios::logputs() in bail-out conditions * * Created: 25th August 2006 * Updated: 6th December 2010 * * www: http://www.pantheios.org/ * * License: This source code is placed into the public domain 2006 * by Synesis Software Pty Ltd. There are no restrictions * whatsoever to your use of the software. * * This software is provided "as is", and any warranties, * express or implied, of any kind and for any purpose, are * disclaimed. * * ////////////////////////////////////////////////////////////////////// */ /* Pantheios Header Files */ #include <pantheios/pantheios.hpp> // Pantheios C++ main header #include <pantheios/inserters/real.hpp> // for pantheios::real /* Standard C/C++ Header Files */ #include <exception> // for std::exception #include <new> // for std::bad_alloc #include <string> // for std::string #include <stdlib.h> // for exit codes /* ////////////////////////////////////////////////////////////////////// */ /* Define the stock front-end process identity, so that it links when using * fe.N, fe.simple, etc. */ PANTHEIOS_EXTERN_C const PAN_CHAR_T PANTHEIOS_FE_PROCESS_IDENTITY[] = PANTHEIOS_LITERAL_STRING("example.cpp.inserter.real"); /* ////////////////////////////////////////////////////////////////////// */ #define PSTR(x) PANTHEIOS_LITERAL_STRING(x) /* ////////////////////////////////////////////////////////////////////// */ int main() { try { float f = 1234.5678f; double d = 12345678.0123456789; long double ld = 6.142e-23; // Log a float; Output: "f: [1234.57]" pantheios::log_NOTICE(PSTR("f: ["), pantheios::real(f), PSTR("]")); // Log a double; Output: "d: [1.23457e+007]" pantheios::log_NOTICE(PSTR("d: ["), pantheios::real(d), PSTR("]")); // Log a long double; Output: "ld: [6.142e-023]" pantheios::log_NOTICE(PSTR("ld: ["), pantheios::real(ld), PSTR("]")); return EXIT_SUCCESS; } catch(std::bad_alloc&) { pantheios::log(pantheios::alert, PSTR("out of memory")); } catch(std::exception& x) { pantheios::log_CRITICAL(PSTR("Exception: "), x); } catch(...) { pantheios::logputs(pantheios::emergency, PSTR("Unexpected unknown error")); } return EXIT_FAILURE; } /* ///////////////////////////// end of file //////////////////////////// */
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pantheios Library documentation © Matthew Wilson & Synesis Software, 2006-2011 |