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py: Reduce str/repr precision of float numbers when floats are 30-bit. 

With 30-bit floats there aren't enough bits to faithfully print 7 decimal
digits, so reduce the precision to 6 digits.
This commit is contained in:
Damien George 2017-04-19 18:46:53 +10:00
parent 5846770997
commit 7a72c0db5a
2 changed files with 8 additions and 0 deletions
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4
py/objcomplex.c
View File

@ -50,7 +50,11 @@ STATIC void complex_print(const mp_print_t *print, mp_obj_t o_in, mp_print_kind_
mp_obj_complex_t *o = MP_OBJ_TO_PTR(o_in);
#if MICROPY_FLOAT_IMPL == MICROPY_FLOAT_IMPL_FLOAT
char buf[16];
#if MICROPY_OBJ_REPR == MICROPY_OBJ_REPR_C
const int precision = 6;
#else
const int precision = 7;
#endif
#else
char buf[32];
const int precision = 16;

4
py/objfloat.c
View File

@ -113,7 +113,11 @@ STATIC void float_print(const mp_print_t *print, mp_obj_t o_in, mp_print_kind_t
mp_float_t o_val = mp_obj_float_get(o_in);
#if MICROPY_FLOAT_IMPL == MICROPY_FLOAT_IMPL_FLOAT
char buf[16];
#if MICROPY_OBJ_REPR == MICROPY_OBJ_REPR_C
const int precision = 6;
#else
const int precision = 7;
#endif
#else
char buf[32];
const int precision = 16;