lib/msvcrt/float/chgsign.c

   1 #include <msvcrt/float.h>
   2 #include <msvcrt/internal/ieee.h>
   3
   4 double _chgsign( double __x )
   5 {
   6         double_t *x = (double_t *)&x;
   7         if ( x->sign == 1 )
   8                 x->sign = 0;
   9         else
  10                 x->sign = 1;
  11
  12         return __x;
  13 }