diff options
Diffstat (limited to 'py/modmath.c')
| -rw-r--r-- | py/modmath.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/py/modmath.c b/py/modmath.c index ec74e974e8..48ba470582 100644 --- a/py/modmath.c +++ b/py/modmath.c @@ -52,6 +52,11 @@ STATIC mp_obj_t mp_math_ ## py_name(mp_obj_t x_obj) { mp_int_t x = MICROPY_FLOAT_C_FUN(c_name)(mp_obj_get_float(x_obj)); return mp_obj_new_int(x); } \ STATIC MP_DEFINE_CONST_FUN_OBJ_1(mp_math_## py_name ## _obj, mp_math_ ## py_name); +#if MP_NEED_LOG2 +// 1.442695040888963407354163704 is 1/_M_LN2 +#define log2(x) (log(x) * 1.442695040888963407354163704) +#endif + /// \function sqrt(x) /// Returns the square root of `x`. MATH_FUN_1(sqrt, sqrt) |