diff options
Diffstat (limited to 'winsup/mingw/mingwex/math/round.c')
-rw-r--r-- | winsup/mingw/mingwex/math/round.c | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/winsup/mingw/mingwex/math/round.c b/winsup/mingw/mingwex/math/round.c deleted file mode 100644 index 9d8e949..0000000 --- a/winsup/mingw/mingwex/math/round.c +++ /dev/null @@ -1,29 +0,0 @@ -#include <fenv.h> - -double -round (double x) { - double retval; - unsigned short saved_cw, _cw; - __asm__ ( - "fnstcw %0;" - : "=m" (saved_cw) - ); /* save control word */ - _cw = ~(FE_TONEAREST | FE_DOWNWARD | FE_UPWARD | FE_TOWARDZERO) - | (x > 0.0 ? FE_UPWARD : FE_DOWNWARD); /* round away from zero */ - __asm__ ( - "fldcw %0;" - : - : "m" (_cw) - ); /* load the rounding control */ - __asm__ ( - "frndint;" - : "=t" (retval) - : "0" (x) - ); /* do the rounding */ - __asm__ ( - "fldcw %0;" - : - : "m" (saved_cw) - ); /* restore control word */ - return retval; -} |