1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2004-2005 David Schultz <das@FreeBSD.ORG> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #ifndef _MACHINE_FENV_H_ 32 #define _MACHINE_FENV_H_ 1 33 34 35 _BEGIN_STD_C 36 37 typedef int fenv_t; 38 typedef int fexcept_t; 39 40 #if (__ARM_FP & 0x8) == 0 41 #define PICOLIBC_DOUBLE_NOROUND 42 #define PICOLIBC_DOUBLE_NOEXCEPT 43 #define PICOLIBC_LONG_DOUBLE_NOEXCEPT 44 #endif 45 46 #if (__ARM_FP & 0x4) == 0 47 #define PICOLIBC_FLOAT_NOROUND 48 #define PICOLIBC_FLOAT_NOEXCEPT 49 #endif 50 51 #if __ARM_FP != 0 52 53 /* Exception flags */ 54 #define FE_INVALID 0x0001 55 #define FE_DIVBYZERO 0x0002 56 #define FE_OVERFLOW 0x0004 57 #define FE_UNDERFLOW 0x0008 58 #define FE_INEXACT 0x0010 59 #define FE_DENORMAL 0x0080 60 #define FE_ALL_EXCEPT (FE_DIVBYZERO | FE_INEXACT | \ 61 FE_INVALID | FE_OVERFLOW | FE_UNDERFLOW | FE_DENORMAL) 62 63 /* Rounding modes */ 64 #define FE_TONEAREST 0x00000000 65 #define FE_UPWARD 0x00400000 66 #define FE_DOWNWARD 0x00800000 67 #define FE_TOWARDZERO 0x00c00000 68 69 #else 70 #define FE_TONEAREST 0x00000000 71 #endif 72 73 #if !defined(__declare_fenv_inline) && defined(__declare_extern_inline) 74 #define __declare_fenv_inline(type) __declare_extern_inline(type) 75 #endif 76 77 _END_STD_C 78 79 #ifdef __declare_fenv_inline 80 #if __ARM_FP == 0 81 #include <machine/fenv-softfloat.h> 82 #else 83 #include <machine/fenv-fp.h> 84 #endif 85 #endif 86 87 #endif /* _MACHINE_FENV_H_ */ 88
