lib/msvcrt/float/chgsign.c

   1 #include <msvcrt/float.h>
   2 #include <msvcrt/internal/ieee.h>
   3
   4
   5 double _chgsign( double __x )
   6 {
   7         double_t *x = (double_t *)&x;
   8
   9         if ( x->sign == 1 )
  10                 x->sign = 0;
  11         else
  12                 x->sign = 1;
  13
  14         return __x;
  15 }