| // Inspired by libstdc++/7680 & 26_numerics/c_math.cc, 2003-04-12 ljr |
| |
| // Copyright (C) 2003 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 2, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING. If not, write to the Free |
| // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
| // USA. |
| |
| // As a special exception, you may use this file as part of a free software |
| // library without restriction. Specifically, if other files instantiate |
| // templates or use macros or inline functions from this file, or you compile |
| // this file and link it with other files to produce an executable, this |
| // file does not by itself cause the resulting executable to be covered by |
| // the GNU General Public License. This exception does not however |
| // invalidate any other reasons why the executable file might be covered by |
| // the GNU General Public License. |
| |
| // { dg-do link } |
| // { dg-options "-D_XOPEN_SOURCE" { target *-*-freebsd* } } |
| |
| #include <cmath> |
| |
| int |
| test01() |
| { |
| float a = 1.f; |
| float b; |
| std::modf(a, &b); |
| return 0; |
| } |
| |
| int |
| test02 () |
| { |
| float a = 0.0f; |
| float b __attribute__((unused)) = std::acos(a); |
| return 0; |
| } |
| |
| int |
| main() |
| { |
| test01(); |
| test02(); |
| return 0; |
| } |