1 /**
2 * This file has no copyright assigned and is placed in the Public Domain.
3 * This file is part of the mingw-w64 runtime package.
4 * No warranty is given; refer to the file DISCLAIMER.PD within this package.
5 */
6 #define __CRT__NO_INLINE
7 #include <math.h>
8
9 double
fabs(double x)10 fabs (double x)
11 {
12 #if defined(__x86_64__) || defined(_AMD64_) || defined(__arm__) || defined(_ARM_) || defined(__aarch64__) || defined(_ARM64_)
13 return __builtin_fabs (x);
14 #elif defined(__i386__) || defined(_X86_)
15 double res = 0.0;
16
17 asm volatile ("fabs;" : "=t" (res) : "0" (x));
18 return res;
19 #endif /* defined(__x86_64__) || defined(_AMD64_) || defined(__arm__) || defined(_ARM_) || defined(__aarch64__) || defined(_ARM64_) */
20 }
21