factor/vm/float_bits.hpp

41 lines
577 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;
}
}