py: Change mp_obj_int_is_positive to more general mp_obj_int_sign.

This function returns the sign (-1, 0 or 1) of the integer object.
This commit is contained in:
Damien George 2016-01-07 14:29:12 +00:00
parent 93b3726240
commit d6b31e4578
5 changed files with 40 additions and 11 deletions

View File

@ -217,7 +217,7 @@ int mp_print_mp_int(const mp_print_t *print, mp_obj_t x, int base, int base_char
char prefix_buf[4];
char *prefix = prefix_buf;
if (mp_obj_int_is_positive(x)) {
if (mp_obj_int_sign(x) > 0) {
if (flags & PF_FLAG_SHOW_SIGN) {
*prefix++ = '+';
} else if (flags & PF_FLAG_SPACE_SIGN) {

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@ -259,8 +259,15 @@ char *mp_obj_int_formatted(char **buf, mp_uint_t *buf_size, mp_uint_t *fmt_size,
#if MICROPY_LONGINT_IMPL == MICROPY_LONGINT_IMPL_NONE
bool mp_obj_int_is_positive(mp_obj_t self_in) {
return mp_obj_get_int(self_in) >= 0;
int mp_obj_int_sign(mp_obj_t self_in) {
mp_int_t val = mp_obj_get_int(self_in);
if (val < 0) {
return -1;
} else if (val > 0) {
return 1;
} else {
return 0;
}
}
// This must handle int and bool types, and must raise a

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@ -57,7 +57,7 @@ char *mp_obj_int_formatted_impl(char **buf, mp_uint_t *buf_size, mp_uint_t *fmt_
int base, const char *prefix, char base_char, char comma);
mp_int_t mp_obj_int_hash(mp_obj_t self_in);
void mp_obj_int_to_bytes_impl(mp_obj_t self_in, bool big_endian, mp_uint_t len, byte *buf);
bool mp_obj_int_is_positive(mp_obj_t self_in);
int mp_obj_int_sign(mp_obj_t self_in);
mp_obj_t mp_obj_int_abs(mp_obj_t self_in);
mp_obj_t mp_obj_int_unary_op(mp_uint_t op, mp_obj_t o_in);
mp_obj_t mp_obj_int_binary_op(mp_uint_t op, mp_obj_t lhs_in, mp_obj_t rhs_in);

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@ -71,12 +71,21 @@ void mp_obj_int_to_bytes_impl(mp_obj_t self_in, bool big_endian, mp_uint_t len,
}
}
bool mp_obj_int_is_positive(mp_obj_t self_in) {
int mp_obj_int_sign(mp_obj_t self_in) {
mp_longint_impl_t val;
if (MP_OBJ_IS_SMALL_INT(self_in)) {
return MP_OBJ_SMALL_INT_VALUE(self_in) >= 0;
val = MP_OBJ_SMALL_INT_VALUE(self_in);
} else {
mp_obj_int_t *self = self_in;
val = self->val;
}
if (val < 0) {
return -1;
} else if (val > 0) {
return 1;
} else {
return 0;
}
mp_obj_int_t *self = self_in;
return self->val >= 0;
}
// This must handle int and bool types, and must raise a

View File

@ -113,12 +113,25 @@ void mp_obj_int_to_bytes_impl(mp_obj_t self_in, bool big_endian, mp_uint_t len,
mpz_as_bytes(&self->mpz, big_endian, len, buf);
}
bool mp_obj_int_is_positive(mp_obj_t self_in) {
int mp_obj_int_sign(mp_obj_t self_in) {
if (MP_OBJ_IS_SMALL_INT(self_in)) {
return MP_OBJ_SMALL_INT_VALUE(self_in) >= 0;
mp_int_t val = MP_OBJ_SMALL_INT_VALUE(self_in);
if (val < 0) {
return -1;
} else if (val > 0) {
return 1;
} else {
return 0;
}
}
mp_obj_int_t *self = MP_OBJ_TO_PTR(self_in);
return !self->mpz.neg;
if (self->mpz.len == 0) {
return 0;
} else if (self->mpz.neg == 0) {
return 1;
} else {
return -1;
}
}
// This must handle int and bool types, and must raise a