src/fenv/fesetround.c

   1 #include <fenv.h>
   2 #include <features.h>
   3
   4 /* __fesetround wrapper for arch independent argument check */
   5
   6 hidden int __fesetround(int);
   7
   8 int fesetround(int r)
   9 {
  10         if (r != FE_TONEAREST
  11 #ifdef FE_DOWNWARD
  12                 && r != FE_DOWNWARD
  13 #endif
  14 #ifdef FE_UPWARD
  15                 && r != FE_UPWARD
  16 #endif
  17 #ifdef FE_TOWARDZERO
  18                 && r != FE_TOWARDZERO
  19 #endif
  20         )
  21                 return -1;
  22         return __fesetround(r);
  23 }