1// (C) Copyright John Maddock 2005. 2// Use, modification and distribution are subject to the 3// Boost Software License, Version 1.0. (See accompanying file 4// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 5 6// See http://www.boost.org/libs/config for most recent version. 7 8// MACRO: BOOST_HAS_LOG1P 9// TITLE: log1p 10// DESCRIPTION: The std lib has a C99-conforming log1p function. 11 12#include <math.h> 13 14namespace boost_has_log1p{ 15 16int test() 17{ 18 double x = 0.5; 19 x = ::log1p(x); 20 (void)x; 21 return 0; 22} 23 24} 25