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py: Factor out definition of mp_float_union_t to one location.

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This commit is contained in:
Damien George
2020-02-14 12:26:46 +11:00
parent ac8383a95d
commit ce39c958ef
4 changed files with 27 additions and 43 deletions
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23
py/misc.h
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@@ -211,14 +211,37 @@ extern mp_uint_t mp_verbose_flag;
/** float internals *************/
#if MICROPY_PY_BUILTINS_FLOAT
#if MICROPY_FLOAT_IMPL == MICROPY_FLOAT_IMPL_DOUBLE
#define MP_FLOAT_EXP_BITS (11)
#define MP_FLOAT_FRAC_BITS (52)
typedef uint64_t mp_float_uint_t;
#elif MICROPY_FLOAT_IMPL == MICROPY_FLOAT_IMPL_FLOAT
#define MP_FLOAT_EXP_BITS (8)
#define MP_FLOAT_FRAC_BITS (23)
typedef uint32_t mp_float_uint_t;
#endif
#define MP_FLOAT_EXP_BIAS ((1 << (MP_FLOAT_EXP_BITS - 1)) - 1)
typedef union _mp_float_union_t {
mp_float_t f;
#if MP_ENDIANNESS_LITTLE
struct {
mp_float_uint_t frc : MP_FLOAT_FRAC_BITS;
mp_float_uint_t exp : MP_FLOAT_EXP_BITS;
mp_float_uint_t sgn : 1;
} p;
#else
struct {
mp_float_uint_t sgn : 1
mp_float_uint_t exp : MP_FLOAT_EXP_BITS;
mp_float_uint_t frc : MP_FLOAT_FRAC_BITS;
} p;
#endif
mp_float_uint_t i;
} mp_float_union_t;
#endif // MICROPY_PY_BUILTINS_FLOAT
#endif // MICROPY_INCLUDED_PY_MISC_H