factor/vm/float_bits.hpp

46 lines
561 B
C++

namespace factor
{
/* Some functions for converting floating point numbers to binary
representations and vice versa */
union double_bits_pun {
double x;
u64 y;
};
inline static u64 double_bits(double x)
{
double_bits_pun b;
b.x = x;
return b.y;
}
inline static double bits_double(u64 y)
{
double_bits_pun b;
b.y = y;
return b.x;
}
union float_bits_pun {
float x;
u32 y;
};
inline static u32 float_bits(float x)
{
float_bits_pun b;
b.x = x;
return b.y;
}
inline static float bits_float(u32 y)
{
float_bits_pun b;
b.y = y;
return b.x;
}
}