newlib/winsup/cygwin/math/llrint.c

19 lines
505 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 long llrint (double x)
{
long long retval = 0ll;
#if defined(_AMD64_) || defined(__x86_64__) || defined(_X86_) || defined(__i386__)
__asm__ __volatile__ ("fistpll %0" : "=m" (retval) : "t" (x) : "st");
#else
retval = (long long)x;
#endif
return retval;
}