1 /* $OpenBSD: fenv.h,v 1.2 2011/05/25 21:46:49 martynas Exp $ */ 2 /* $NetBSD: fenv.h,v 1.2.4.1 2011/02/08 16:18:55 bouyer Exp $ */ 3 4 /* 5 * Copyright (c) 2010 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 * POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #ifndef _FENV_H_ 31 #define _FENV_H_ 32 33 #include <sys/cdefs.h> 34 #include <machine/fenv.h> 35 36 __BEGIN_DECLS 37 38 // fenv was always available on x86. 39 #if __ANDROID_API__ >= __ANDROID_API_L__ || defined(__i386__) 40 int feclearexcept(int) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_MIPS(21) __INTRODUCED_IN_X86(9); 41 int fegetexceptflag(fexcept_t*, int) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_MIPS(21) 42 __INTRODUCED_IN_X86(9); 43 int feraiseexcept(int) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_MIPS(21) __INTRODUCED_IN_X86(9); 44 int fesetexceptflag(const fexcept_t*, int) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_MIPS(21) 45 __INTRODUCED_IN_X86(9); 46 int fetestexcept(int) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_MIPS(21) __INTRODUCED_IN_X86(9); 47 48 int fegetround(void) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_MIPS(21) __INTRODUCED_IN_X86(9); 49 int fesetround(int) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_MIPS(21) __INTRODUCED_IN_X86(9); 50 51 int fegetenv(fenv_t*) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_MIPS(21) __INTRODUCED_IN_X86(9); 52 int feholdexcept(fenv_t*) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_MIPS(21) __INTRODUCED_IN_X86(9); 53 int fesetenv(const fenv_t*) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_MIPS(21) __INTRODUCED_IN_X86(9); 54 int feupdateenv(const fenv_t*) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_MIPS(21) 55 __INTRODUCED_IN_X86(9); 56 57 int feenableexcept(int) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_MIPS(21) __INTRODUCED_IN_X86(9); 58 int fedisableexcept(int) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_MIPS(21) __INTRODUCED_IN_X86(9); 59 int fegetexcept(void) __INTRODUCED_IN_ARM(21) __INTRODUCED_IN_MIPS(21) __INTRODUCED_IN_X86(9); 60 #else 61 /* Defined as inlines for pre-21 ARM and MIPS. */ 62 #endif 63 64 /* 65 * The following constant represents the default floating-point environment 66 * (that is, the one installed at program startup) and has type pointer to 67 * const-qualified fenv_t. 68 * 69 * It can be used as an argument to the functions that manage the floating-point 70 * environment, namely fesetenv() and feupdateenv(). 71 */ 72 extern const fenv_t __fe_dfl_env; 73 #define FE_DFL_ENV (&__fe_dfl_env) 74 75 __END_DECLS 76 77 #include <android/legacy_fenv_inlines_arm.h> 78 #include <android/legacy_fenv_inlines_mips.h> 79 80 #endif /* ! _FENV_H_ */ 81
