Embedded Artistry libc
C Standard Library Support for Bare-metal Systems
arith.h
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1 /*
2  * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
3  *
4  * @APPLE_LICENSE_HEADER_START@
5  *
6  * This file contains Original Code and/or Modifications of Original Code
7  * as defined in and that are subject to the Apple Public Source License
8  * Version 2.0 (the 'License'). You may not use this file except in
9  * compliance with the License. Please obtain a copy of the License at
10  * http://www.opensource.apple.com/apsl/ and read it before using this
11  * file.
12  *
13  * The Original Code and all software distributed under the License are
14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18  * Please see the License for the specific language governing rights and
19  * limitations under the License.
20  *
21  * @APPLE_LICENSE_HEADER_END@
22  */
23 /*
24  * These values generated by arithchk.c in the FreeBSD contrib/gdtoa package
25  * and spliced together for the different architectures.
26  */
27 
28 #if defined(__i386__)
29 #define IEEE_8087
30 #define Arith_Kind_ASL 1
31 #elif defined(__x86_64__)
32 #define IEEE_8087
33 #define Arith_Kind_ASL 1
34 #define Long int
35 #define Intcast (int)(long)
36 #define Double_Align
37 #define X64_bit_pointers
38 #elif defined(__arm__)
39 #if __VFP_FP__
40 #define IEEE_8087
41 #else
42 #define IEEE_MC68k
43 #endif
44 #define Arith_Kind_ASL 1
45 #else
46 #error Unsupported architecture
47 #endif
48 
49 #define Honor_FLT_ROUNDS
50 #define Trust_FLT_ROUNDS