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			68 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			68 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| 
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|  // Copyright 2010 Paul A. Bristow
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| //
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| // Distributed under the Boost Software License, Version 1.0. (See
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| // accompanying file LICENSE_1_0.txt or copy at
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| // http://www.boost.org/LICENSE_1_0.txt)
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| 
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| /* Temporary test program to discover which platforms support
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| 
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| numeric_limits
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| 
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| digits10 and
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| 
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| new max_digits10.
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| 
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| This is needed to produce or select a macro to avoid compilation failure in Boost.Test
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| for platforms that do not include either or both of these.
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| 
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| BOOST_NO_CXX11_NUMERIC_LIMITS is suitable.
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| 
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| 
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| [Boost C++ Libraries]
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| 
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| #5758: Boost.Test Floating-point comparison diagnostic output does not support radix 10.
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| 
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| */
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| 
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| #include <boost/config.hpp>
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| #include <boost/version.hpp>
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| 
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| #include <iostream>
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| #include <limits>
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| 
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| int main()
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| {
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|    std::cout  << "Platform: " << BOOST_PLATFORM            << '\n'
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|         << "Compiler: " << BOOST_COMPILER            << '\n'
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|         << "STL     : " << BOOST_STDLIB              << '\n'
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|         << "Boost   : " << BOOST_VERSION/100000      << "."
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|                         << BOOST_VERSION/100 % 1000  << "."
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|                         << BOOST_VERSION % 100       << std::endl;
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| 
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|    int digits10 = std::numeric_limits<double>::digits10;
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|    int max_digits10 = std::numeric_limits<double>::max_digits10;
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| 
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|    std::cout << "std::numeric_limits<double>::digits10 = " << digits10 << std::endl;
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| 
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|    std::cout << "std::numeric_limits<double>::max_digits10 = " << max_digits10 << std::endl;
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| 
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| 
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| } // int main()
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| 
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| /*
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| 
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| Output:
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| 
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|   Description: Autorun "J:\Cpp\MathToolkit\test\Math_test\Debug\ztest_max_digits10.exe"
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|   Platform: Win32
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|   Compiler: Microsoft Visual C++ version 10.0
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|   STL     : Dinkumware standard library version 520
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|   Boost   : 1.50.0
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|   std::numeric_limits<double>::digits10 = 15
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|   std::numeric_limits<double>::max_digits10 = 17
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| 
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| 
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| 
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| */
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