winsup/cygwin/math/llrintf.c

   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 #include <math.h>
   7
   8 long long llrintf (float x)
   9 {
  10   long long retval = 0ll;
  11 #if defined(_AMD64_) || defined(__x86_64__) || defined(_X86_) || defined(__i386__)
  12   __asm__ __volatile__ ("fistpll %0"  : "=m" (retval) : "t" (x) : "st");
  13 #else
  14   retval = (long long)x;
  15 #endif
  16   return retval;
  17 }