| /* $OpenBSD: fenv.h,v 1.2 2011/05/25 21:46:49 martynas Exp $ */ |
| /* $NetBSD: fenv.h,v 1.2.4.1 2011/02/08 16:18:55 bouyer Exp $ */ |
| |
| /* |
| * Copyright (c) 2010 The NetBSD Foundation, Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #pragma once |
| |
| #include <sys/cdefs.h> |
| |
| #if defined(__aarch64__) || defined(__arm__) |
| #include <bits/fenv_arm.h> |
| #elif defined(__i386__) |
| #include <bits/fenv_x86.h> |
| #elif defined(__x86_64__) |
| #include <bits/fenv_x86_64.h> |
| #endif |
| |
| __BEGIN_DECLS |
| |
| // fenv was always available on x86. |
| #if __ANDROID_API__ >= 21 || defined(__i386__) |
| int feclearexcept(int __exceptions) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_X86(9); |
| int fegetexceptflag(fexcept_t* __flag_ptr, int __exceptions) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_X86(9); |
| int feraiseexcept(int __exceptions) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_X86(9); |
| int fesetexceptflag(const fexcept_t* __flag_ptr, int __exceptions) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_X86(9); |
| int fetestexcept(int __exceptions) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_X86(9); |
| |
| int fegetround(void) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_X86(9); |
| int fesetround(int __rounding_mode) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_X86(9); |
| |
| int fegetenv(fenv_t* __env) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_X86(9); |
| int feholdexcept(fenv_t* __env) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_X86(9); |
| int fesetenv(const fenv_t* __env) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_X86(9); |
| int feupdateenv(const fenv_t* __env) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_X86(9); |
| |
| int feenableexcept(int __exceptions) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_X86(9); |
| int fedisableexcept(int __exceptions) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_X86(9); |
| int fegetexcept(void) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_X86(9); |
| #else |
| /* Defined as inlines for pre-21 ARM. */ |
| #endif |
| |
| /* |
| * The following constant represents the default floating-point environment |
| * (that is, the one installed at program startup) and has type pointer to |
| * const-qualified fenv_t. |
| * |
| * It can be used as an argument to the functions that manage the floating-point |
| * environment, namely fesetenv() and feupdateenv(). |
| */ |
| extern const fenv_t __fe_dfl_env; |
| #define FE_DFL_ENV (&__fe_dfl_env) |
| |
| __END_DECLS |
| |
| #if defined(__arm__) |
| #include <android/legacy_fenv_inlines_arm.h> |
| #endif |
