vm/float_bits.h

   1 /* Some functions for converting floating point numbers to binary
   2 representations and vice versa */
   3
   4 typedef union {
   5     double x;
   6     u64 y;
   7 } F_DOUBLE_BITS;
   8
   9 INLINE u64 double_bits(double x)
  10 {
  11         F_DOUBLE_BITS b;
  12         b.x = x;
  13         return b.y;
  14 }
  15
  16 INLINE double bits_double(u64 y)
  17 {
  18         F_DOUBLE_BITS b;
  19         b.y = y;
  20         return b.x;
  21 }
  22
  23 typedef union {
  24     float x;
  25     u32 y;
  26 } F_FLOAT_BITS;
  27
  28 INLINE u32 float_bits(float x)
  29 {
  30         F_FLOAT_BITS b;
  31         b.x = x;
  32         return b.y;
  33 }
  34
  35 INLINE float bits_float(u32 y)
  36 {
  37         F_FLOAT_BITS b;
  38         b.y = y;
  39         return b.x;
  40 }