15a83710eSEric Fiselier //===----------------------------------------------------------------------===// 25a83710eSEric Fiselier // 3*57b08b09SChandler Carruth // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*57b08b09SChandler Carruth // See https://llvm.org/LICENSE.txt for license information. 5*57b08b09SChandler Carruth // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 65a83710eSEric Fiselier // 75a83710eSEric Fiselier //===----------------------------------------------------------------------===// 85a83710eSEric Fiselier 95a83710eSEric Fiselier // <ios> 105a83710eSEric Fiselier 115a83710eSEric Fiselier // class ios_base 125a83710eSEric Fiselier 135a83710eSEric Fiselier // ios_base& defaultfloat(ios_base& str); 145a83710eSEric Fiselier 155a83710eSEric Fiselier #include <ios> 165a83710eSEric Fiselier #include <streambuf> 175a83710eSEric Fiselier #include <cassert> 185a83710eSEric Fiselier 195a83710eSEric Fiselier struct testbuf : public std::streambuf {}; 205a83710eSEric Fiselier 215a83710eSEric Fiselier int main() 225a83710eSEric Fiselier { 235a83710eSEric Fiselier testbuf sb; 245a83710eSEric Fiselier std::ios ios(&sb); 255a83710eSEric Fiselier std::ios_base& r = std::defaultfloat(ios); 265a83710eSEric Fiselier assert(&r == &ios); 275a83710eSEric Fiselier assert(!(ios.flags() & std::ios::fixed)); 285a83710eSEric Fiselier assert(!(ios.flags() & std::ios::scientific)); 295a83710eSEric Fiselier } 30