1*5a83710eSEric Fiselier //===----------------------------------------------------------------------===// 2*5a83710eSEric Fiselier // 3*5a83710eSEric Fiselier // The LLVM Compiler Infrastructure 4*5a83710eSEric Fiselier // 5*5a83710eSEric Fiselier // This file is dual licensed under the MIT and the University of Illinois Open 6*5a83710eSEric Fiselier // Source Licenses. See LICENSE.TXT for details. 7*5a83710eSEric Fiselier // 8*5a83710eSEric Fiselier //===----------------------------------------------------------------------===// 9*5a83710eSEric Fiselier 10*5a83710eSEric Fiselier // <ios> 11*5a83710eSEric Fiselier 12*5a83710eSEric Fiselier // class ios_base 13*5a83710eSEric Fiselier 14*5a83710eSEric Fiselier // ios_base& defaultfloat(ios_base& str); 15*5a83710eSEric Fiselier 16*5a83710eSEric Fiselier #include <ios> 17*5a83710eSEric Fiselier #include <streambuf> 18*5a83710eSEric Fiselier #include <cassert> 19*5a83710eSEric Fiselier 20*5a83710eSEric Fiselier struct testbuf : public std::streambuf {}; 21*5a83710eSEric Fiselier 22*5a83710eSEric Fiselier int main() 23*5a83710eSEric Fiselier { 24*5a83710eSEric Fiselier testbuf sb; 25*5a83710eSEric Fiselier std::ios ios(&sb); 26*5a83710eSEric Fiselier std::ios_base& r = std::defaultfloat(ios); 27*5a83710eSEric Fiselier assert(&r == &ios); 28*5a83710eSEric Fiselier assert(!(ios.flags() & std::ios::fixed)); 29*5a83710eSEric Fiselier assert(!(ios.flags() & std::ios::scientific)); 30*5a83710eSEric Fiselier } 31