newlib-cygwin/winsup/cygwin/math/rintl.c

17 lines
534 B
C

/**
* This file has no copyright assigned and is placed in the Public Domain.
* This file is part of the mingw-w64 runtime package.
* No warranty is given; refer to the file DISCLAIMER.PD within this package.
*/
#include <math.h>
long double rintl (long double x) {
long double retval = 0.0L;
#if defined(_AMD64_) || defined(__x86_64__) || defined(_X86_) || defined(__i386__)
__asm__ __volatile__ ("frndint;": "=t" (retval) : "0" (x));
#elif defined(__arm__) || defined(_ARM_)
retval = rint(x);
#endif
return retval;
}